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Author SHA1 Message Date
Greg Kroah-Hartman
10cf995162 This is the 4.14.259 stable release 
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Merge 4.14.259 into android-4.14-stable

Changes in 4.14.259
	nfc: fix segfault in nfc_genl_dump_devices_done
	drm/msm/dsi: set default num_data_lanes
	net/mlx4_en: Update reported link modes for 1/10G
	parisc/agp: Annotate parisc agp init functions with __init
	i2c: rk3x: Handle a spurious start completion interrupt flag
	net: netlink: af_netlink: Prevent empty skb by adding a check on len.
	tracing: Fix a kmemleak false positive in tracing_map
	bpf: fix panic due to oob in bpf_prog_test_run_skb
	hwmon: (dell-smm) Fix warning on /proc/i8k creation error
	mac80211: send ADDBA requests using the tid/queue of the aggregation session
	recordmcount.pl: look for jgnop instruction as well as bcrl on s390
	dm btree remove: fix use after free in rebalance_children()
	audit: improve robustness of the audit queue handling
	nfsd: fix use-after-free due to delegation race
	x86: Make ARCH_USE_MEMREMAP_PROT a generic Kconfig symbol
	x86/sme: Explicitly map new EFI memmap table as encrypted
	ARM: socfpga: dts: fix qspi node compatible
	dmaengine: st_fdma: fix MODULE_ALIAS
	soc/tegra: fuse: Fix bitwise vs. logical OR warning
	igbvf: fix double free in `igbvf_probe`
	ixgbe: set X550 MDIO speed before talking to PHY
	net/packet: rx_owner_map depends on pg_vec
	sit: do not call ipip6_dev_free() from sit_init_net()
	USB: gadget: bRequestType is a bitfield, not a enum
	PCI/MSI: Clear PCI_MSIX_FLAGS_MASKALL on error
	PCI/MSI: Mask MSI-X vectors only on success
	USB: serial: option: add Telit FN990 compositions
	timekeeping: Really make sure wall_to_monotonic isn't positive
	libata: if T_LENGTH is zero, dma direction should be DMA_NONE
	net: systemport: Add global locking for descriptor lifecycle
	firmware: arm_scpi: Fix string overflow in SCPI genpd driver
	ARM: dts: imx6ull-pinfunc: Fix CSI_DATA07__ESAI_TX0 pad name
	fuse: annotate lock in fuse_reverse_inval_entry()
	scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()
	net: lan78xx: Avoid unnecessary self assignment
	ARM: 8805/2: remove unneeded naked function usage
	mwifiex: Remove unnecessary braces from HostCmd_SET_SEQ_NO_BSS_INFO
	ARM: 8800/1: use choice for kernel unwinders
	Input: touchscreen - avoid bitwise vs logical OR warning
	xen/blkfront: harden blkfront against event channel storms
	xen/netfront: harden netfront against event channel storms
	xen/console: harden hvc_xen against event channel storms
	xen/netback: fix rx queue stall detection
	xen/netback: don't queue unlimited number of packages
	Linux 4.14.259

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I303d463fdd9736e88af906b3a094c872b031c7ed
 2021-12-22 10:08:01 +01:00
Daniel Borkmann
20fdf27447 bpf: fix panic due to oob in bpf_prog_test_run_skb 
commit 6e6fddc78323533be570873abb728b7e0ba7e024 upstream.

sykzaller triggered several panics similar to the below:

  [...]
  [  248.851531] BUG: KASAN: use-after-free in _copy_to_user+0x5c/0x90
  [  248.857656] Read of size 985 at addr ffff8808017ffff2 by task a.out/1425
  [...]
  [  248.865902] CPU: 1 PID: 1425 Comm: a.out Not tainted 4.18.0-rc4+ #13
  [  248.865903] Hardware name: Supermicro SYS-5039MS-H12TRF/X11SSE-F, BIOS 2.1a 03/08/2018
  [  248.865905] Call Trace:
  [  248.865910]  dump_stack+0xd6/0x185
  [  248.865911]  ? show_regs_print_info+0xb/0xb
  [  248.865913]  ? printk+0x9c/0xc3
  [  248.865915]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
  [  248.865919]  print_address_description+0x6f/0x270
  [  248.865920]  kasan_report+0x25b/0x380
  [  248.865922]  ? _copy_to_user+0x5c/0x90
  [  248.865924]  check_memory_region+0x137/0x190
  [  248.865925]  kasan_check_read+0x11/0x20
  [  248.865927]  _copy_to_user+0x5c/0x90
  [  248.865930]  bpf_test_finish.isra.8+0x4f/0xc0
  [  248.865932]  bpf_prog_test_run_skb+0x6a0/0xba0
  [...]

After scrubbing the BPF prog a bit from the noise, turns out it called
bpf_skb_change_head() for the lwt_xmit prog with headroom of 2. Nothing
wrong in that, however, this was run with repeat >> 0 in bpf_prog_test_run_skb()
and the same skb thus keeps changing until the pskb_expand_head() called
from skb_cow() keeps bailing out in atomic alloc context with -ENOMEM.
So upon return we'll basically have 0 headroom left yet blindly do the
__skb_push() of 14 bytes and keep copying data from there in bpf_test_finish()
out of bounds. Fix to check if we have enough headroom and if pskb_expand_head()
fails, bail out with error.

Another bug independent of this fix (but related in triggering above) is
that BPF_PROG_TEST_RUN should be reworked to reset the skb/xdp buffer to
it's original state from input as otherwise repeating the same test in a
loop won't work for benchmarking when underlying input buffer is getting
changed by the prog each time and reused for the next run leading to
unexpected results.

Fixes: 1cf1cae963c2 ("bpf: introduce BPF_PROG_TEST_RUN command")
Reported-by: syzbot+709412e651e55ed96498@syzkaller.appspotmail.com
Reported-by: syzbot+54f39d6ab58f39720a55@syzkaller.appspotmail.com
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
[connoro: drop test_verifier.c changes not applicable to 4.14]
Signed-off-by: Connor O'Brien <connoro@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-12-22 09:17:58 +01:00
Greg Kroah-Hartman
6d1f178f21 This is the 4.14.257 stable release 
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Merge 4.14.257 into android-4.14-stable

Changes in 4.14.257
	USB: serial: option: add Telit LE910S1 0x9200 composition
	USB: serial: option: add Fibocom FM101-GL variants
	usb: hub: Fix usb enumeration issue due to address0 race
	usb: hub: Fix locking issues with address0_mutex
	binder: fix test regression due to sender_euid change
	ALSA: ctxfi: Fix out-of-range access
	media: cec: copy sequence field for the reply
	HID: wacom: Use "Confidence" flag to prevent reporting invalid contacts
	staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect()
	fuse: fix page stealing
	xen: don't continue xenstore initialization in case of errors
	xen: detect uninitialized xenbus in xenbus_init
	tracing: Fix pid filtering when triggers are attached
	netfilter: ipvs: Fix reuse connection if RS weight is 0
	ARM: dts: BCM5301X: Fix I2C controller interrupt
	ARM: dts: BCM5301X: Add interrupt properties to GPIO node
	ASoC: topology: Add missing rwsem around snd_ctl_remove() calls
	net: ieee802154: handle iftypes as u32
	NFSv42: Don't fail clone() unless the OP_CLONE operation failed
	ARM: socfpga: Fix crash with CONFIG_FORTIRY_SOURCE
	scsi: mpt3sas: Fix kernel panic during drive powercycle test
	drm/vc4: fix error code in vc4_create_object()
	ipv6: fix typos in __ip6_finish_output()
	net/smc: Ensure the active closing peer first closes clcsock
	PM: hibernate: use correct mode for swsusp_close()
	tcp_cubic: fix spurious Hystart ACK train detections for not-cwnd-limited flows
	MIPS: use 3-level pgtable for 64KB page size on MIPS_VA_BITS_48
	net/smc: Don't call clcsock shutdown twice when smc shutdown
	vhost/vsock: fix incorrect used length reported to the guest
	tracing: Check pid filtering when creating events
	s390/mm: validate VMA in PGSTE manipulation functions
	PCI: aardvark: Fix I/O space page leak
	PCI: aardvark: Fix a leaked reference by adding missing of_node_put()
	PCI: aardvark: Wait for endpoint to be ready before training link
	PCI: aardvark: Train link immediately after enabling training
	PCI: aardvark: Improve link training
	PCI: aardvark: Issue PERST via GPIO
	PCI: aardvark: Replace custom macros by standard linux/pci_regs.h macros
	PCI: aardvark: Indicate error in 'val' when config read fails
	PCI: aardvark: Introduce an advk_pcie_valid_device() helper
	PCI: aardvark: Don't touch PCIe registers if no card connected
	PCI: aardvark: Fix compilation on s390
	PCI: aardvark: Move PCIe reset card code to advk_pcie_train_link()
	PCI: aardvark: Update comment about disabling link training
	PCI: aardvark: Remove PCIe outbound window configuration
	PCI: aardvark: Configure PCIe resources from 'ranges' DT property
	PCI: aardvark: Fix PCIe Max Payload Size setting
	PCI: Add PCI_EXP_LNKCTL2_TLS* macros
	PCI: aardvark: Fix link training
	PCI: aardvark: Fix checking for link up via LTSSM state
	pinctrl: armada-37xx: Correct mpp definitions
	pinctrl: armada-37xx: add missing pin: PCIe1 Wakeup
	pinctrl: armada-37xx: Correct PWM pins definitions
	arm64: dts: marvell: armada-37xx: declare PCIe reset pin
	arm64: dts: marvell: armada-37xx: Set pcie_reset_pin to gpio function
	hugetlbfs: flush TLBs correctly after huge_pmd_unshare
	proc/vmcore: fix clearing user buffer by properly using clear_user()
	NFC: add NCI_UNREG flag to eliminate the race
	fuse: release pipe buf after last use
	xen: sync include/xen/interface/io/ring.h with Xen's newest version
	xen/blkfront: read response from backend only once
	xen/blkfront: don't take local copy of a request from the ring page
	xen/blkfront: don't trust the backend response data blindly
	xen/netfront: read response from backend only once
	xen/netfront: don't read data from request on the ring page
	xen/netfront: disentangle tx_skb_freelist
	xen/netfront: don't trust the backend response data blindly
	tty: hvc: replace BUG_ON() with negative return value
	shm: extend forced shm destroy to support objects from several IPC nses
	ipc: WARN if trying to remove ipc object which is absent
	NFSv42: Fix pagecache invalidation after COPY/CLONE
	hugetlb: take PMD sharing into account when flushing tlb/caches
	net: return correct error code
	platform/x86: thinkpad_acpi: Fix WWAN device disabled issue after S3 deep
	s390/setup: avoid using memblock_enforce_memory_limit
	btrfs: check-integrity: fix a warning on write caching disabled disk
	thermal: core: Reset previous low and high trip during thermal zone init
	scsi: iscsi: Unblock session then wake up error handler
	ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()
	net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound
	net: ethernet: dec: tulip: de4x5: fix possible array overflows in type3_infoblock()
	perf hist: Fix memory leak of a perf_hpp_fmt
	vrf: Reset IPCB/IP6CB when processing outbound pkts in vrf dev xmit
	kprobes: Limit max data_size of the kretprobe instances
	sata_fsl: fix UAF in sata_fsl_port_stop when rmmod sata_fsl
	sata_fsl: fix warning in remove_proc_entry when rmmod sata_fsl
	fs: add fget_many() and fput_many()
	fget: check that the fd still exists after getting a ref to it
	natsemi: xtensa: fix section mismatch warnings
	net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()
	net: mpls: Fix notifications when deleting a device
	siphash: use _unaligned version by default
	net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources()
	net: usb: lan78xx: lan78xx_phy_init(): use PHY_POLL instead of "0" if no IRQ is available
	net/rds: correct socket tunable error in rds_tcp_tune()
	net/smc: Keep smc_close_final rc during active close
	parisc: Fix KBUILD_IMAGE for self-extracting kernel
	parisc: Fix "make install" on newer debian releases
	vgacon: Propagate console boot parameters before calling `vc_resize'
	xhci: Fix commad ring abort, write all 64 bits to CRCR register.
	usb: typec: tcpm: Wait in SNK_DEBOUNCED until disconnect
	x86/64/mm: Map all kernel memory into trampoline_pgd
	tty: serial: msm_serial: Deactivate RX DMA for polling support
	serial: pl011: Add ACPI SBSA UART match id
	serial: core: fix transmit-buffer reset and memleak
	parisc: Mark cr16 CPU clocksource unstable on all SMP machines
	Linux 4.14.257

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I3148611f406a61ce3d7ff7dcb56977a114a4f499
 2021-12-08 09:06:34 +01:00
Ian Rogers
c5c8a26c0d perf hist: Fix memory leak of a perf_hpp_fmt 
[ Upstream commit 0ca1f534a776cc7d42f2c33da4732b74ec2790cd ]

perf_hpp__column_unregister() removes an entry from a list but doesn't
free the memory causing a memory leak spotted by leak sanitizer.

Add the free while at the same time reducing the scope of the function
to static.

Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20211118071247.2140392-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-12-08 08:46:54 +01:00
Greg Kroah-Hartman
cbbb0d59ab This is the 4.14.250 stable release 
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Merge 4.14.250 into android-4.14-stable

Changes in 4.14.250
	net: mdio: introduce a shutdown method to mdio device drivers
	xen-netback: correct success/error reporting for the SKB-with-fraglist case
	sparc64: fix pci_iounmap() when CONFIG_PCI is not set
	ext2: fix sleeping in atomic bugs on error
	scsi: sd: Free scsi_disk device via put_device()
	usb: testusb: Fix for showing the connection speed
	usb: dwc2: check return value after calling platform_get_resource()
	scsi: ses: Retry failed Send/Receive Diagnostic commands
	libata: Add ATA_HORKAGE_NO_NCQ_ON_ATI for Samsung 860 and 870 SSD.
	lib/timerqueue: Rely on rbtree semantics for next timer
	Linux 4.14.250

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ifccf33c21061e83668b25f829fef2f9da9303d60
 2021-10-09 14:34:22 +02:00
Faizel K B
02ac2b3b9b usb: testusb: Fix for showing the connection speed 
[ Upstream commit f81c08f897adafd2ed43f86f00207ff929f0b2eb ]

testusb' application which uses 'usbtest' driver reports 'unknown speed'
from the function 'find_testdev'. The variable 'entry->speed' was not
updated from  the application. The IOCTL mentioned in the FIXME comment can
only report whether the connection is low speed or not. Speed is read using
the IOCTL USBDEVFS_GET_SPEED which reports the proper speed grade.  The
call is implemented in the function 'handle_testdev' where the file
descriptor was availble locally. Sample output is given below where 'high
speed' is printed as the connected speed.

sudo ./testusb -a
high speed      /dev/bus/usb/001/011    0
/dev/bus/usb/001/011 test 0,    0.000015 secs
/dev/bus/usb/001/011 test 1,    0.194208 secs
/dev/bus/usb/001/011 test 2,    0.077289 secs
/dev/bus/usb/001/011 test 3,    0.170604 secs
/dev/bus/usb/001/011 test 4,    0.108335 secs
/dev/bus/usb/001/011 test 5,    2.788076 secs
/dev/bus/usb/001/011 test 6,    2.594610 secs
/dev/bus/usb/001/011 test 7,    2.905459 secs
/dev/bus/usb/001/011 test 8,    2.795193 secs
/dev/bus/usb/001/011 test 9,    8.372651 secs
/dev/bus/usb/001/011 test 10,    6.919731 secs
/dev/bus/usb/001/011 test 11,   16.372687 secs
/dev/bus/usb/001/011 test 12,   16.375233 secs
/dev/bus/usb/001/011 test 13,    2.977457 secs
/dev/bus/usb/001/011 test 14 --> 22 (Invalid argument)
/dev/bus/usb/001/011 test 17,    0.148826 secs
/dev/bus/usb/001/011 test 18,    0.068718 secs
/dev/bus/usb/001/011 test 19,    0.125992 secs
/dev/bus/usb/001/011 test 20,    0.127477 secs
/dev/bus/usb/001/011 test 21 --> 22 (Invalid argument)
/dev/bus/usb/001/011 test 24,    4.133763 secs
/dev/bus/usb/001/011 test 27,    2.140066 secs
/dev/bus/usb/001/011 test 28,    2.120713 secs
/dev/bus/usb/001/011 test 29,    0.507762 secs

Signed-off-by: Faizel K B <faizel.kb@dicortech.com>
Link: https://lore.kernel.org/r/20210902114444.15106-1-faizel.kb@dicortech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-10-09 14:09:46 +02:00
Greg Kroah-Hartman
1dff798c56 This is the 4.14.247 stable release 
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Merge 4.14.247 into android-4.14-stable

Changes in 4.14.247
	ext4: fix race writing to an inline_data file while its xattrs are changing
	xtensa: fix kconfig unmet dependency warning for HAVE_FUTEX_CMPXCHG
	qed: Fix the VF msix vectors flow
	net: macb: Add a NULL check on desc_ptp
	qede: Fix memset corruption
	perf/x86/intel/pt: Fix mask of num_address_ranges
	perf/x86/amd/ibs: Work around erratum #1197
	cryptoloop: add a deprecation warning
	ARM: 8918/2: only build return_address() if needed
	ALSA: pcm: fix divide error in snd_pcm_lib_ioctl
	clk: fix build warning for orphan_list
	media: stkwebcam: fix memory leak in stk_camera_probe
	igmp: Add ip_mc_list lock in ip_check_mc_rcu
	USB: serial: mos7720: improve OOM-handling in read_mos_reg()
	f2fs: fix potential overflow
	ath10k: fix recent bandwidth conversion bug
	ipv4/icmp: l3mdev: Perform icmp error route lookup on source device routing table (v2)
	s390/disassembler: correct disassembly lines alignment
	mm/kmemleak.c: make cond_resched() rate-limiting more efficient
	crypto: talitos - reduce max key size for SEC1
	powerpc/module64: Fix comment in R_PPC64_ENTRY handling
	powerpc/boot: Delete unneeded .globl _zimage_start
	net: ll_temac: Remove left-over debug message
	mm/page_alloc: speed up the iteration of max_order
	Revert "btrfs: compression: don't try to compress if we don't have enough pages"
	usb: host: xhci-rcar: Don't reload firmware after the completion
	x86/reboot: Limit Dell Optiplex 990 quirk to early BIOS versions
	PCI: Call Max Payload Size-related fixup quirks early
	regmap: fix the offset of register error log
	crypto: mxs-dcp - Check for DMA mapping errors
	power: supply: axp288_fuel_gauge: Report register-address on readb / writeb errors
	crypto: omap-sham - clear dma flags only after omap_sham_update_dma_stop()
	udf: Check LVID earlier
	isofs: joliet: Fix iocharset=utf8 mount option
	nvme-rdma: don't update queue count when failing to set io queues
	power: supply: max17042_battery: fix typo in MAx17042_TOFF
	s390/cio: add dev_busid sysfs entry for each subchannel
	libata: fix ata_host_start()
	crypto: qat - do not ignore errors from enable_vf2pf_comms()
	crypto: qat - handle both source of interrupt in VF ISR
	crypto: qat - fix reuse of completion variable
	crypto: qat - fix naming for init/shutdown VF to PF notifications
	crypto: qat - do not export adf_iov_putmsg()
	udf_get_extendedattr() had no boundary checks.
	m68k: emu: Fix invalid free in nfeth_cleanup()
	spi: spi-fsl-dspi: Fix issue with uninitialized dma_slave_config
	spi: spi-pic32: Fix issue with uninitialized dma_slave_config
	clocksource/drivers/sh_cmt: Fix wrong setting if don't request IRQ for clock source channel
	crypto: qat - use proper type for vf_mask
	certs: Trigger creation of RSA module signing key if it's not an RSA key
	soc: rockchip: ROCKCHIP_GRF should not default to y, unconditionally
	media: dvb-usb: fix uninit-value in dvb_usb_adapter_dvb_init
	media: dvb-usb: fix uninit-value in vp702x_read_mac_addr
	media: go7007: remove redundant initialization
	Bluetooth: sco: prevent information leak in sco_conn_defer_accept()
	tcp: seq_file: Avoid skipping sk during tcp_seek_last_pos
	net: cipso: fix warnings in netlbl_cipsov4_add_std
	i2c: highlander: add IRQ check
	media: em28xx-input: fix refcount bug in em28xx_usb_disconnect
	PCI: PM: Avoid forcing PCI_D0 for wakeup reasons inconsistently
	PCI: PM: Enable PME if it can be signaled from D3cold
	soc: qcom: smsm: Fix missed interrupts if state changes while masked
	Bluetooth: increase BTNAMSIZ to 21 chars to fix potential buffer overflow
	arm64: dts: exynos: correct GIC CPU interfaces address range on Exynos7
	Bluetooth: fix repeated calls to sco_sock_kill
	drm/msm/dsi: Fix some reference counted resource leaks
	usb: gadget: udc: at91: add IRQ check
	usb: phy: fsl-usb: add IRQ check
	usb: phy: twl6030: add IRQ checks
	Bluetooth: Move shutdown callback before flushing tx and rx queue
	usb: host: ohci-tmio: add IRQ check
	usb: phy: tahvo: add IRQ check
	mac80211: Fix insufficient headroom issue for AMSDU
	usb: gadget: mv_u3d: request_irq() after initializing UDC
	Bluetooth: add timeout sanity check to hci_inquiry
	i2c: iop3xx: fix deferred probing
	i2c: s3c2410: fix IRQ check
	mmc: dw_mmc: Fix issue with uninitialized dma_slave_config
	mmc: moxart: Fix issue with uninitialized dma_slave_config
	CIFS: Fix a potencially linear read overflow
	i2c: mt65xx: fix IRQ check
	usb: ehci-orion: Handle errors of clk_prepare_enable() in probe
	usb: bdc: Fix an error handling path in 'bdc_probe()' when no suitable DMA config is available
	tty: serial: fsl_lpuart: fix the wrong mapbase value
	ath6kl: wmi: fix an error code in ath6kl_wmi_sync_point()
	bcma: Fix memory leak for internally-handled cores
	ipv4: make exception cache less predictible
	net: sched: Fix qdisc_rate_table refcount leak when get tcf_block failed
	net: qualcomm: fix QCA7000 checksum handling
	netns: protect netns ID lookups with RCU
	tty: Fix data race between tiocsti() and flush_to_ldisc()
	x86/resctrl: Fix a maybe-uninitialized build warning treated as error
	KVM: x86: Update vCPU's hv_clock before back to guest when tsc_offset is adjusted
	IMA: remove -Wmissing-prototypes warning
	backlight: pwm_bl: Improve bootloader/kernel device handover
	clk: kirkwood: Fix a clocking boot regression
	fbmem: don't allow too huge resolutions
	rtc: tps65910: Correct driver module alias
	blk-zoned: allow zone management send operations without CAP_SYS_ADMIN
	blk-zoned: allow BLKREPORTZONE without CAP_SYS_ADMIN
	PCI/MSI: Skip masking MSI-X on Xen PV
	powerpc/perf/hv-gpci: Fix counter value parsing
	xen: fix setting of max_pfn in shared_info
	include/linux/list.h: add a macro to test if entry is pointing to the head
	9p/xen: Fix end of loop tests for list_for_each_entry
	soc: aspeed: lpc-ctrl: Fix boundary check for mmap
	crypto: public_key: fix overflow during implicit conversion
	block: bfq: fix bfq_set_next_ioprio_data()
	power: supply: max17042: handle fails of reading status register
	dm crypt: Avoid percpu_counter spinlock contention in crypt_page_alloc()
	VMCI: fix NULL pointer dereference when unmapping queue pair
	media: uvc: don't do DMA on stack
	media: rc-loopback: return number of emitters rather than error
	libata: add ATA_HORKAGE_NO_NCQ_TRIM for Samsung 860 and 870 SSDs
	ARM: 9105/1: atags_to_fdt: don't warn about stack size
	PCI: Restrict ASMedia ASM1062 SATA Max Payload Size Supported
	PCI: Return ~0 data on pciconfig_read() CAP_SYS_ADMIN failure
	PCI: xilinx-nwl: Enable the clock through CCF
	PCI: aardvark: Increase polling delay to 1.5s while waiting for PIO response
	PCI: aardvark: Fix masking and unmasking legacy INTx interrupts
	HID: input: do not report stylus battery state as "full"
	RDMA/iwcm: Release resources if iw_cm module initialization fails
	docs: Fix infiniband uverbs minor number
	pinctrl: samsung: Fix pinctrl bank pin count
	vfio: Use config not menuconfig for VFIO_NOIOMMU
	openrisc: don't printk() unconditionally
	pinctrl: single: Fix error return code in pcs_parse_bits_in_pinctrl_entry()
	scsi: qedi: Fix error codes in qedi_alloc_global_queues()
	MIPS: Malta: fix alignment of the devicetree buffer
	media: dib8000: rewrite the init prbs logic
	crypto: mxs-dcp - Use sg_mapping_iter to copy data
	PCI: Use pci_update_current_state() in pci_enable_device_flags()
	iio: dac: ad5624r: Fix incorrect handling of an optional regulator.
	ARM: dts: qcom: apq8064: correct clock names
	video: fbdev: kyro: fix a DoS bug by restricting user input
	netlink: Deal with ESRCH error in nlmsg_notify()
	Smack: Fix wrong semantics in smk_access_entry()
	usb: host: fotg210: fix the endpoint's transactional opportunities calculation
	usb: host: fotg210: fix the actual_length of an iso packet
	usb: gadget: u_ether: fix a potential null pointer dereference
	usb: gadget: composite: Allow bMaxPower=0 if self-powered
	staging: board: Fix uninitialized spinlock when attaching genpd
	tty: serial: jsm: hold port lock when reporting modem line changes
	bpf/tests: Fix copy-and-paste error in double word test
	bpf/tests: Do not PASS tests without actually testing the result
	video: fbdev: asiliantfb: Error out if 'pixclock' equals zero
	video: fbdev: kyro: Error out if 'pixclock' equals zero
	video: fbdev: riva: Error out if 'pixclock' equals zero
	ipv4: ip_output.c: Fix out-of-bounds warning in ip_copy_addrs()
	flow_dissector: Fix out-of-bounds warnings
	s390/jump_label: print real address in a case of a jump label bug
	serial: 8250: Define RX trigger levels for OxSemi 950 devices
	xtensa: ISS: don't panic in rs_init
	hvsi: don't panic on tty_register_driver failure
	serial: 8250_pci: make setup_port() parameters explicitly unsigned
	staging: ks7010: Fix the initialization of the 'sleep_status' structure
	ata: sata_dwc_460ex: No need to call phy_exit() befre phy_init()
	Bluetooth: skip invalid hci_sync_conn_complete_evt
	ASoC: Intel: bytcr_rt5640: Move "Platform Clock" routes to the maps for the matching in-/output
	media: v4l2-dv-timings.c: fix wrong condition in two for-loops
	arm64: dts: qcom: sdm660: use reg value for memory node
	net: ethernet: stmmac: Do not use unreachable() in ipq806x_gmac_probe()
	Bluetooth: avoid circular locks in sco_sock_connect
	gpu: drm: amd: amdgpu: amdgpu_i2c: fix possible uninitialized-variable access in amdgpu_i2c_router_select_ddc_port()
	ARM: tegra: tamonten: Fix UART pad setting
	rpc: fix gss_svc_init cleanup on failure
	staging: rts5208: Fix get_ms_information() heap buffer size
	gfs2: Don't call dlm after protocol is unmounted
	mmc: sdhci-of-arasan: Check return value of non-void funtions
	mmc: rtsx_pci: Fix long reads when clock is prescaled
	selftests/bpf: Enlarge select() timeout for test_maps
	cifs: fix wrong release in sess_alloc_buffer() failed path
	Revert "USB: xhci: fix U1/U2 handling for hardware with XHCI_INTEL_HOST quirk set"
	usb: musb: musb_dsps: request_irq() after initializing musb
	usbip: give back URBs for unsent unlink requests during cleanup
	usbip:vhci_hcd USB port can get stuck in the disabled state
	ASoC: rockchip: i2s: Fix regmap_ops hang
	ASoC: rockchip: i2s: Fixup config for DAIFMT_DSP_A/B
	parport: remove non-zero check on count
	ath9k: fix OOB read ar9300_eeprom_restore_internal
	ath9k: fix sleeping in atomic context
	net: fix NULL pointer reference in cipso_v4_doi_free
	net: w5100: check return value after calling platform_get_resource()
	parisc: fix crash with signals and alloca
	scsi: BusLogic: Fix missing pr_cont() use
	scsi: qla2xxx: Sync queue idx with queue_pair_map idx
	cpufreq: powernv: Fix init_chip_info initialization in numa=off
	mm/hugetlb: initialize hugetlb_usage in mm_init
	memcg: enable accounting for pids in nested pid namespaces
	platform/chrome: cros_ec_proto: Send command again when timeout occurs
	xen: reset legacy rtc flag for PV domU
	bnx2x: Fix enabling network interfaces without VFs
	PM: base: power: don't try to use non-existing RTC for storing data
	x86/mm: Fix kern_addr_valid() to cope with existing but not present entries
	net-caif: avoid user-triggerable WARN_ON(1)
	ptp: dp83640: don't define PAGE0
	dccp: don't duplicate ccid when cloning dccp sock
	net/l2tp: Fix reference count leak in l2tp_udp_recv_core
	r6040: Restore MDIO clock frequency after MAC reset
	tipc: increase timeout in tipc_sk_enqueue()
	events: Reuse value read using READ_ONCE instead of re-reading it
	net/af_unix: fix a data-race in unix_dgram_poll
	tcp: fix tp->undo_retrans accounting in tcp_sacktag_one()
	mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range()
	dt-bindings: mtd: gpmc: Fix the ECC bytes vs. OOB bytes equation
	mfd: Don't use irq_create_mapping() to resolve a mapping
	PCI: Add ACS quirks for Cavium multi-function devices
	net: usb: cdc_mbim: avoid altsetting toggling for Telit LN920
	ethtool: Fix an error code in cxgb2.c
	PCI: Sync __pci_register_driver() stub for CONFIG_PCI=n
	mtd: rawnand: cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()'
	ARC: export clear_user_page() for modules
	net: dsa: b53: Fix calculating number of switch ports
	netfilter: socket: icmp6: fix use-after-scope
	qlcnic: Remove redundant unlock in qlcnic_pinit_from_rom
	net: renesas: sh_eth: Fix freeing wrong tx descriptor
	s390/bpf: Fix 64-bit subtraction of the -0x80000000 constant
	Linux 4.14.247

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: If4d48fb4bfd873036c9584406e8cf4ebbdb8a655
 2021-09-22 13:49:42 +02:00
Li Zhijian
c21916ffd0 selftests/bpf: Enlarge select() timeout for test_maps 
[ Upstream commit 2d82d73da35b72b53fe0d96350a2b8d929d07e42 ]

0Day robot observed that it's easily timeout on a heavy load host.
-------------------
 # selftests: bpf: test_maps
 # Fork 1024 tasks to 'test_update_delete'
 # Fork 1024 tasks to 'test_update_delete'
 # Fork 100 tasks to 'test_hashmap'
 # Fork 100 tasks to 'test_hashmap_percpu'
 # Fork 100 tasks to 'test_hashmap_sizes'
 # Fork 100 tasks to 'test_hashmap_walk'
 # Fork 100 tasks to 'test_arraymap'
 # Fork 100 tasks to 'test_arraymap_percpu'
 # Failed sockmap unexpected timeout
 not ok 3 selftests: bpf: test_maps # exit=1
 # selftests: bpf: test_lru_map
 # nr_cpus:8
-------------------
Since this test will be scheduled by 0Day to a random host that could have
only a few cpus(2-8), enlarge the timeout to avoid a false NG report.

In practice, i tried to pin it to only one cpu by 'taskset 0x01 ./test_maps',
and knew 10S is likely enough, but i still perfer to a larger value 30.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20210820015556.23276-2-lizhijian@cn.fujitsu.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-09-22 11:45:31 +02:00
Greg Kroah-Hartman
5d67c93aaf This is the 4.14.242 stable release 
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Merge 4.14.242 into android-4.14-stable

Changes in 4.14.242
	selftest: fix build error in tools/testing/selftests/vm/userfaultfd.c
	KVM: x86: determine if an exception has an error code only when injecting it.
	net: split out functions related to registering inflight socket files
	af_unix: fix garbage collect vs MSG_PEEK
	workqueue: fix UAF in pwq_unbound_release_workfn()
	net/802/mrp: fix memleak in mrp_request_join()
	net/802/garp: fix memleak in garp_request_join()
	net: annotate data race around sk_ll_usec
	sctp: move 198 addresses from unusable to private scope
	hfs: add missing clean-up in hfs_fill_super
	hfs: fix high memory mapping in hfs_bnode_read
	hfs: add lock nesting notation to hfs_find_init
	ARM: dts: versatile: Fix up interrupt controller node names
	virtio_net: Do not pull payload in skb->head
	gro: ensure frag0 meets IP header alignment
	x86/kvm: fix vcpu-id indexed array sizes
	ocfs2: fix zero out valid data
	ocfs2: issue zeroout to EOF blocks
	can: raw: raw_setsockopt(): fix raw_rcv panic for sock UAF
	can: mcba_usb_start(): add missing urb->transfer_dma initialization
	can: usb_8dev: fix memory leak
	can: ems_usb: fix memory leak
	can: esd_usb2: fix memory leak
	NIU: fix incorrect error return, missed in previous revert
	nfc: nfcsim: fix use after free during module unload
	x86/asm: Ensure asm/proto.h can be included stand-alone
	cfg80211: Fix possible memory leak in function cfg80211_bss_update
	netfilter: conntrack: adjust stop timestamp to real expiry value
	netfilter: nft_nat: allow to specify layer 4 protocol NAT only
	tipc: fix sleeping in tipc accept routine
	mlx4: Fix missing error code in mlx4_load_one()
	net: llc: fix skb_over_panic
	net/mlx5: Fix flow table chaining
	sctp: fix return value check in __sctp_rcv_asconf_lookup
	tulip: windbond-840: Fix missing pci_disable_device() in probe and remove
	sis900: Fix missing pci_disable_device() in probe and remove
	can: hi311x: fix a signedness bug in hi3110_cmd()
	Revert "perf map: Fix dso->nsinfo refcounting"
	Linux 4.14.242

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie1a4d3b3c5e77ece40e540b361471dddef50441d
 2021-08-04 14:57:34 +02:00
Arnaldo Carvalho de Melo
c925d063b1 Revert "perf map: Fix dso->nsinfo refcounting" 
commit 9bac1bd6e6d36459087a728a968e79e37ebcea1a upstream.

This makes 'perf top' abort in some cases, and the right fix will
involve surgery that is too much to do at this stage, so revert for now
and fix it in the next merge window.

This reverts commit 2d6b74baa7147251c30a46c4996e8cc224aa2dc5.

Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Krister Johansen <kjlx@templeofstupid.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-08-04 12:22:17 +02:00
Greg Kroah-Hartman
53e61d6ec0 selftest: fix build error in tools/testing/selftests/vm/userfaultfd.c 
When backporting 0db282ba2c12 ("selftest: use mmap instead of
posix_memalign to allocate memory") to this stable branch, I forgot a {
breaking the build.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-08-04 12:22:14 +02:00
Greg Kroah-Hartman
a446f52a5d This is the 4.14.241 stable release 
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Merge 4.14.241 into android-4.14-stable

Changes in 4.14.241
	ARM: dts: gemini: add device_type on pci
	ARM: dts: rockchip: fix pinctrl sleep nodename for rk3036-kylin and rk3288
	arm64: dts: rockchip: fix pinctrl sleep nodename for rk3399.dtsi
	ARM: dts: rockchip: Fix the timer clocks order
	ARM: dts: rockchip: Fix power-controller node names for rk3288
	arm64: dts: rockchip: Fix power-controller node names for rk3328
	reset: ti-syscon: fix to_ti_syscon_reset_data macro
	ARM: brcmstb: dts: fix NAND nodes names
	ARM: Cygnus: dts: fix NAND nodes names
	ARM: NSP: dts: fix NAND nodes names
	ARM: dts: BCM63xx: Fix NAND nodes names
	ARM: dts: imx6: phyFLEX: Fix UART hardware flow control
	ARM: imx: pm-imx5: Fix references to imx5_cpu_suspend_info
	ARM: dts: stm32: fix RCC node name on stm32f429 MCU
	arm64: dts: juno: Update SCPI nodes as per the YAML schema
	arm64: dts: ls208xa: remove bus-num from dspi node
	thermal/core: Correct function name thermal_zone_device_unregister()
	kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set
	rtc: max77686: Do not enforce (incorrect) interrupt trigger type
	scsi: aic7xxx: Fix unintentional sign extension issue on left shift of u8
	scsi: libfc: Fix array index out of bound exception
	sched/fair: Fix CFS bandwidth hrtimer expiry type
	net: ipv6: fix return value of ip6_skb_dst_mtu
	netfilter: ctnetlink: suspicious RCU usage in ctnetlink_dump_helpinfo
	net: bridge: sync fdb to new unicast-filtering ports
	net: bcmgenet: Ensure all TX/RX queues DMAs are disabled
	net: moxa: fix UAF in moxart_mac_probe
	net: qcom/emac: fix UAF in emac_remove
	net: ti: fix UAF in tlan_remove_one
	net: send SYNACK packet with accepted fwmark
	net: validate lwtstate->data before returning from skb_tunnel_info()
	dma-buf/sync_file: Don't leak fences on merge failure
	tcp: annotate data races around tp->mtu_info
	ipv6: tcp: drop silly ICMPv6 packet too big messages
	igb: Fix use-after-free error during reset
	ixgbe: Fix an error handling path in 'ixgbe_probe()'
	igb: Fix an error handling path in 'igb_probe()'
	fm10k: Fix an error handling path in 'fm10k_probe()'
	e1000e: Fix an error handling path in 'e1000_probe()'
	iavf: Fix an error handling path in 'iavf_probe()'
	igb: Check if num of q_vectors is smaller than max before array access
	perf map: Fix dso->nsinfo refcounting
	perf probe: Fix dso->nsinfo refcounting
	perf lzma: Close lzma stream on exit
	perf test bpf: Free obj_buf
	perf probe-file: Delete namelist in del_events() on the error path
	spi: mediatek: fix fifo rx mode
	liquidio: Fix unintentional sign extension issue on left shift of u16
	s390/bpf: Perform r1 range checking before accessing jit->seen_reg[r1]
	net: fix uninit-value in caif_seqpkt_sendmsg
	net: decnet: Fix sleeping inside in af_decnet
	netrom: Decrease sock refcount when sock timers expire
	scsi: iscsi: Fix iface sysfs attr detection
	scsi: target: Fix protect handling in WRITE SAME(32)
	spi: cadence: Correct initialisation of runtime PM again
	Revert "USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem"
	proc: Avoid mixing integer types in mem_rw()
	Revert "MIPS: add PMD table accounting into MIPS'pmd_alloc_one"
	s390/ftrace: fix ftrace_update_ftrace_func implementation
	ALSA: sb: Fix potential ABBA deadlock in CSP driver
	xhci: Fix lost USB 2 remote wake
	KVM: PPC: Book3S: Fix H_RTAS rets buffer overflow
	usb: hub: Disable USB 3 device initiated lpm if exit latency is too high
	USB: usb-storage: Add LaCie Rugged USB3-FW to IGNORE_UAS
	usb: max-3421: Prevent corruption of freed memory
	usb: renesas_usbhs: Fix superfluous irqs happen after usb_pkt_pop()
	USB: serial: option: add support for u-blox LARA-R6 family
	USB: serial: cp210x: fix comments for GE CS1000
	USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick
	usb: dwc2: gadget: Fix sending zero length packet in DDMA mode.
	tracing: Fix bug in rb_per_cpu_empty() that might cause deadloop.
	media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf()
	ixgbe: Fix packet corruption due to missing DMA sync
	selftest: use mmap instead of posix_memalign to allocate memory
	drm: Return -ENOTTY for non-drm ioctls
	net: bcmgenet: ensure EXT_ENERGY_DET_MASK is clear
	iio: accel: bma180: Use explicit member assignment
	iio: accel: bma180: Fix BMA25x bandwidth register values
	btrfs: compression: don't try to compress if we don't have enough pages
	spi: spi-fsl-dspi: Fix a resource leak in an error handling path
	xhci: add xhci_get_virt_ep() helper
	Linux 4.14.241

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: If71586baa50da4c192a204b49a3e7802aa796790
 2021-07-28 13:07:49 +02:00
Peter Collingbourne
61b89b41bd selftest: use mmap instead of posix_memalign to allocate memory 
commit 0db282ba2c12c1515d490d14a1ff696643ab0f1b upstream.

This test passes pointers obtained from anon_allocate_area to the
userfaultfd and mremap APIs.  This causes a problem if the system
allocator returns tagged pointers because with the tagged address ABI
the kernel rejects tagged addresses passed to these APIs, which would
end up causing the test to fail.  To make this test compatible with such
system allocators, stop using the system allocator to allocate memory in
anon_allocate_area, and instead just use mmap.

Link: https://lkml.kernel.org/r/20210714195437.118982-3-pcc@google.com
Link: https://linux-review.googlesource.com/id/Icac91064fcd923f77a83e8e133f8631c5b8fc241
Fixes: c47174fc362a ("userfaultfd: selftest")
Co-developed-by: Lokesh Gidra <lokeshgidra@google.com>
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com>
Signed-off-by: Peter Collingbourne <pcc@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Dave Martin <Dave.Martin@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Alistair Delva <adelva@google.com>
Cc: William McVicker <willmcvicker@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Mitch Phillips <mitchp@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: <stable@vger.kernel.org>	[5.4]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-07-28 11:12:20 +02:00
Riccardo Mancini
85a571cb9d perf probe-file: Delete namelist in del_events() on the error path 
[ Upstream commit e0fa7ab42232e742dcb3de9f3c1f6127b5adc019 ]

ASan reports some memory leaks when running:

  # perf test "42: BPF filter"

This second leak is caused by a strlist not being dellocated on error
inside probe_file__del_events.

This patch adds a goto label before the deallocation and makes the error
path jump to it.

Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>
Fixes: e7895e422e4da63d ("perf probe: Split del_perf_probe_events()")
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/174963c587ae77fa108af794669998e4ae558338.1626343282.git.rickyman7@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-07-28 11:12:17 +02:00
Riccardo Mancini
fd6465ef25 perf test bpf: Free obj_buf 
[ Upstream commit 937654ce497fb6e977a8c52baee5f7d9616302d9 ]

ASan reports some memory leaks when running:

  # perf test "42: BPF filter"

The first of these leaks is caused by obj_buf never being deallocated in
__test__bpf.

This patch adds the missing free.

Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>
Fixes: ba1fae431e74bb42 ("perf test: Add 'perf test BPF'")
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lore.kernel.org/lkml/60f3ca935fe6672e7e866276ce6264c9e26e4c87.1626343282.git.rickyman7@gmail.com
[ Added missing stdlib.h include ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-07-28 11:12:17 +02:00
Riccardo Mancini
262c9de28f perf lzma: Close lzma stream on exit 
[ Upstream commit f8cbb0f926ae1e1fb5f9e51614e5437560ed4039 ]

ASan reports memory leaks when running:

  # perf test "88: Check open filename arg using perf trace + vfs_getname"

One of these is caused by the lzma stream never being closed inside
lzma_decompress_to_file().

This patch adds the missing lzma_end().

Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>
Fixes: 80a32e5b498a7547 ("perf tools: Add lzma decompression support for kernel module")
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/aaf50bdce7afe996cfc06e1bbb36e4a2a9b9db93.1626343282.git.rickyman7@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-07-28 11:12:17 +02:00
Riccardo Mancini
f40a49b38e perf probe: Fix dso->nsinfo refcounting 
[ Upstream commit dedeb4be203b382ba7245d13079bc3b0f6d40c65 ]

ASan reports a memory leak of nsinfo during the execution of:

 # perf test "31: Lookup mmap thread".

The leak is caused by a refcounted variable being replaced without
dropping the refcount.

This patch makes sure that the refcnt of nsinfo is decreased whenever
a refcounted variable is replaced with a new value.

Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>
Fixes: 544abd44c7064c8a ("perf probe: Allow placing uprobes in alternate namespaces.")
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Krister Johansen <kjlx@templeofstupid.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/55223bc8821b34ccb01f92ef1401c02b6a32e61f.1626343282.git.rickyman7@gmail.com
[ Split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-07-28 11:12:17 +02:00
Riccardo Mancini
3acb3d1638 perf map: Fix dso->nsinfo refcounting 
[ Upstream commit 2d6b74baa7147251c30a46c4996e8cc224aa2dc5 ]

ASan reports a memory leak of nsinfo during the execution of

  # perf test "31: Lookup mmap thread"

The leak is caused by a refcounted variable being replaced without
dropping the refcount.

This patch makes sure that the refcnt of nsinfo is decreased whenever a
refcounted variable is replaced with a new value.

Signed-off-by: Riccardo Mancini <rickyman7@gmail.com>
Fixes: bf2e710b3cb8445c ("perf maps: Lookup maps in both intitial mountns and inner mountns.")
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Krister Johansen <kjlx@templeofstupid.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/55223bc8821b34ccb01f92ef1401c02b6a32e61f.1626343282.git.rickyman7@gmail.com
[ Split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-07-28 11:12:17 +02:00
Greg Kroah-Hartman
7b74d84a30 This is the 4.14.240 stable release 
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Merge 4.14.240 into android-4.14-stable

Changes in 4.14.240
	ALSA: usb-audio: fix rate on Ozone Z90 USB headset
	media: dvb-usb: fix wrong definition
	Input: usbtouchscreen - fix control-request directions
	net: can: ems_usb: fix use-after-free in ems_usb_disconnect()
	usb: gadget: eem: fix echo command packet response issue
	USB: cdc-acm: blacklist Heimann USB Appset device
	ntfs: fix validity check for file name attribute
	iov_iter_fault_in_readable() should do nothing in xarray case
	Input: joydev - prevent use of not validated data in JSIOCSBTNMAP ioctl
	ARM: dts: at91: sama5d4: fix pinctrl muxing
	btrfs: send: fix invalid path for unlink operations after parent orphanization
	btrfs: clear defrag status of a root if starting transaction fails
	ext4: cleanup in-core orphan list if ext4_truncate() failed to get a transaction handle
	ext4: fix kernel infoleak via ext4_extent_header
	ext4: correct the cache_nr in tracepoint ext4_es_shrink_exit
	ext4: remove check for zero nr_to_scan in ext4_es_scan()
	ext4: fix avefreec in find_group_orlov
	ext4: use ext4_grp_locked_error in mb_find_extent
	can: bcm: delay release of struct bcm_op after synchronize_rcu()
	can: gw: synchronize rcu operations before removing gw job entry
	can: peak_pciefd: pucan_handle_status(): fix a potential starvation issue in TX path
	SUNRPC: Fix the batch tasks count wraparound.
	SUNRPC: Should wake up the privileged task firstly.
	s390/cio: dont call css_wait_for_slow_path() inside a lock
	rtc: stm32: Fix unbalanced clk_disable_unprepare() on probe error path
	iio: ltr501: mark register holding upper 8 bits of ALS_DATA{0,1} and PS_DATA as volatile, too
	iio: ltr501: ltr559: fix initialization of LTR501_ALS_CONTR
	iio: ltr501: ltr501_read_ps(): add missing endianness conversion
	serial: sh-sci: Stop dmaengine transfer in sci_stop_tx()
	serial_cs: Add Option International GSM-Ready 56K/ISDN modem
	serial_cs: remove wrong GLOBETROTTER.cis entry
	ath9k: Fix kernel NULL pointer dereference during ath_reset_internal()
	ssb: sdio: Don't overwrite const buffer if block_write fails
	rsi: Assign beacon rate settings to the correct rate_info descriptor field
	seq_buf: Make trace_seq_putmem_hex() support data longer than 8
	fuse: check connected before queueing on fpq->io
	spi: Make of_register_spi_device also set the fwnode
	spi: spi-loopback-test: Fix 'tx_buf' might be 'rx_buf'
	spi: spi-topcliff-pch: Fix potential double free in pch_spi_process_messages()
	spi: omap-100k: Fix the length judgment problem
	crypto: nx - add missing MODULE_DEVICE_TABLE
	media: cpia2: fix memory leak in cpia2_usb_probe
	media: cobalt: fix race condition in setting HPD
	media: pvrusb2: fix warning in pvr2_i2c_core_done
	crypto: qat - check return code of qat_hal_rd_rel_reg()
	crypto: qat - remove unused macro in FW loader
	media: em28xx: Fix possible memory leak of em28xx struct
	media: v4l2-core: Avoid the dangling pointer in v4l2_fh_release
	media: bt8xx: Fix a missing check bug in bt878_probe
	media: st-hva: Fix potential NULL pointer dereferences
	media: dvd_usb: memory leak in cinergyt2_fe_attach
	mmc: via-sdmmc: add a check against NULL pointer dereference
	crypto: shash - avoid comparing pointers to exported functions under CFI
	media: dvb_net: avoid speculation from net slot
	media: siano: fix device register error path
	btrfs: fix error handling in __btrfs_update_delayed_inode
	btrfs: abort transaction if we fail to update the delayed inode
	btrfs: disable build on platforms having page size 256K
	regulator: da9052: Ensure enough delay time for .set_voltage_time_sel
	HID: do not use down_interruptible() when unbinding devices
	ACPI: processor idle: Fix up C-state latency if not ordered
	hv_utils: Fix passing zero to 'PTR_ERR' warning
	lib: vsprintf: Fix handling of number field widths in vsscanf
	ACPI: EC: Make more Asus laptops use ECDT _GPE
	block_dump: remove block_dump feature in mark_inode_dirty()
	fs: dlm: cancel work sync othercon
	random32: Fix implicit truncation warning in prandom_seed_state()
	fs: dlm: fix memory leak when fenced
	ACPICA: Fix memory leak caused by _CID repair function
	ACPI: bus: Call kobject_put() in acpi_init() error path
	platform/x86: toshiba_acpi: Fix missing error code in toshiba_acpi_setup_keyboard()
	ACPI: tables: Add custom DSDT file as makefile prerequisite
	HID: wacom: Correct base usage for capacitive ExpressKey status bits
	ia64: mca_drv: fix incorrect array size calculation
	media: s5p_cec: decrement usage count if disabled
	crypto: ixp4xx - dma_unmap the correct address
	crypto: ux500 - Fix error return code in hash_hw_final()
	sata_highbank: fix deferred probing
	pata_rb532_cf: fix deferred probing
	media: I2C: change 'RST' to "RSET" to fix multiple build errors
	pata_octeon_cf: avoid WARN_ON() in ata_host_activate()
	crypto: ccp - Fix a resource leak in an error handling path
	pata_ep93xx: fix deferred probing
	media: exynos4-is: Fix a use after free in isp_video_release
	media: tc358743: Fix error return code in tc358743_probe_of()
	media: siano: Fix out-of-bounds warnings in smscore_load_firmware_family2()
	mmc: usdhi6rol0: fix error return code in usdhi6_probe()
	media: s5p-g2d: Fix a memory leak on ctx->fh.m2m_ctx
	hwmon: (max31722) Remove non-standard ACPI device IDs
	hwmon: (max31790) Fix fan speed reporting for fan7..12
	btrfs: clear log tree recovering status if starting transaction fails
	spi: spi-sun6i: Fix chipselect/clock bug
	crypto: nx - Fix RCU warning in nx842_OF_upd_status
	ACPI: sysfs: Fix a buffer overrun problem with description_show()
	ocfs2: fix snprintf() checking
	net: pch_gbe: Propagate error from devm_gpio_request_one()
	drm/rockchip: cdn-dp-core: add missing clk_disable_unprepare() on error in cdn_dp_grf_write()
	ehea: fix error return code in ehea_restart_qps()
	RDMA/rxe: Fix failure during driver load
	drm: qxl: ensure surf.data is ininitialized
	wireless: carl9170: fix LEDS build errors & warnings
	brcmsmac: mac80211_if: Fix a resource leak in an error handling path
	ath10k: Fix an error code in ath10k_add_interface()
	netlabel: Fix memory leak in netlbl_mgmt_add_common
	netfilter: nft_exthdr: check for IPv6 packet before further processing
	samples/bpf: Fix the error return code of xdp_redirect's main()
	net: ethernet: aeroflex: fix UAF in greth_of_remove
	net: ethernet: ezchip: fix UAF in nps_enet_remove
	net: ethernet: ezchip: fix error handling
	pkt_sched: sch_qfq: fix qfq_change_class() error path
	vxlan: add missing rcu_read_lock() in neigh_reduce()
	net: bcmgenet: Fix attaching to PYH failed on RPi 4B
	i40e: Fix error handling in i40e_vsi_open
	Revert "ibmvnic: remove duplicate napi_schedule call in open function"
	Bluetooth: mgmt: Fix slab-out-of-bounds in tlv_data_is_valid
	writeback: fix obtain a reference to a freeing memcg css
	net: sched: fix warning in tcindex_alloc_perfect_hash
	tty: nozomi: Fix a resource leak in an error handling function
	mwifiex: re-fix for unaligned accesses
	iio: adis_buffer: do not return ints in irq handlers
	iio: accel: bma180: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: accel: bma220: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: accel: hid: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: accel: kxcjk-1013: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: accel: stk8312: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: accel: stk8ba50: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: adc: ti-ads1015: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: adc: vf610: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: gyro: bmg160: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: humidity: am2315: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: prox: srf08: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: prox: pulsed-light: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: prox: as3935: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: light: isl29125: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: light: tcs3414: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	iio: potentiostat: lmp91000: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()
	ASoC: hisilicon: fix missing clk_disable_unprepare() on error in hi6210_i2s_startup()
	Input: hil_kbd - fix error return code in hil_dev_connect()
	char: pcmcia: error out if 'num_bytes_read' is greater than 4 in set_protocol()
	tty: nozomi: Fix the error handling path of 'nozomi_card_init()'
	scsi: FlashPoint: Rename si_flags field
	s390: appldata depends on PROC_SYSCTL
	eeprom: idt_89hpesx: Put fwnode in matching case during ->probe()
	iio: adc: mxs-lradc: Fix buffer alignment in iio_push_to_buffers_with_timestamp()
	staging: gdm724x: check for buffer overflow in gdm_lte_multi_sdu_pkt()
	staging: gdm724x: check for overflow in gdm_lte_netif_rx()
	ASoC: cs42l42: Correct definition of CS42L42_ADC_PDN_MASK
	of: Fix truncation of memory sizes on 32-bit platforms
	scsi: mpt3sas: Fix error return value in _scsih_expander_add()
	phy: ti: dm816x: Fix the error handling path in 'dm816x_usb_phy_probe()
	extcon: sm5502: Drop invalid register write in sm5502_reg_data
	extcon: max8997: Add missing modalias string
	configfs: fix memleak in configfs_release_bin_file
	leds: as3645a: Fix error return code in as3645a_parse_node()
	leds: ktd2692: Fix an error handling path
	mm/huge_memory.c: don't discard hugepage if other processes are mapping it
	selftests/vm/pkeys: fix alloc_random_pkey() to make it really, really random
	mmc: vub3000: fix control-request direction
	scsi: core: Retry I/O for Notify (Enable Spinup) Required error
	drm/mxsfb: Don't select DRM_KMS_FB_HELPER
	drm/zte: Don't select DRM_KMS_FB_HELPER
	drm/amd/amdgpu/sriov disable all ip hw status by default
	net: pch_gbe: Use proper accessors to BE data in pch_ptp_match()
	hugetlb: clear huge pte during flush function on mips platform
	atm: iphase: fix possible use-after-free in ia_module_exit()
	mISDN: fix possible use-after-free in HFC_cleanup()
	atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
	net: Treat __napi_schedule_irqoff() as __napi_schedule() on PREEMPT_RT
	reiserfs: add check for invalid 1st journal block
	drm/virtio: Fix double free on probe failure
	udf: Fix NULL pointer dereference in udf_symlink function
	e100: handle eeprom as little endian
	clk: renesas: r8a77995: Add ZA2 clock
	clk: tegra: Ensure that PLLU configuration is applied properly
	ipv6: use prandom_u32() for ID generation
	RDMA/cxgb4: Fix missing error code in create_qp()
	dm space maps: don't reset space map allocation cursor when committing
	virtio_net: Remove BUG() to avoid machine dead
	net: bcmgenet: check return value after calling platform_get_resource()
	net: micrel: check return value after calling platform_get_resource()
	fjes: check return value after calling platform_get_resource()
	selinux: use __GFP_NOWARN with GFP_NOWAIT in the AVC
	xfrm: Fix error reporting in xfrm_state_construct.
	wlcore/wl12xx: Fix wl12xx get_mac error if device is in ELP
	wl1251: Fix possible buffer overflow in wl1251_cmd_scan
	cw1200: add missing MODULE_DEVICE_TABLE
	MIPS: add PMD table accounting into MIPS'pmd_alloc_one
	atm: nicstar: use 'dma_free_coherent' instead of 'kfree'
	atm: nicstar: register the interrupt handler in the right place
	vsock: notify server to shutdown when client has pending signal
	RDMA/rxe: Don't overwrite errno from ib_umem_get()
	iwlwifi: mvm: don't change band on bound PHY contexts
	sfc: avoid double pci_remove of VFs
	sfc: error code if SRIOV cannot be disabled
	wireless: wext-spy: Fix out-of-bounds warning
	RDMA/cma: Fix rdma_resolve_route() memory leak
	Bluetooth: Fix the HCI to MGMT status conversion table
	Bluetooth: Shutdown controller after workqueues are flushed or cancelled
	Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc.
	sctp: validate from_addr_param return
	sctp: add size validation when walking chunks
	fscrypt: don't ignore minor_hash when hash is 0
	bdi: Do not use freezable workqueue
	fuse: reject internal errno
	mac80211: fix memory corruption in EAPOL handling
	powerpc/barrier: Avoid collision with clang's __lwsync macro
	usb: gadget: f_fs: Fix setting of device and driver data cross-references
	drm/radeon: Add the missed drm_gem_object_put() in radeon_user_framebuffer_create()
	pinctrl/amd: Add device HID for new AMD GPIO controller
	mmc: sdhci: Fix warning message when accessing RPMB in HS400 mode
	mmc: core: clear flags before allowing to retune
	mmc: core: Allow UHS-I voltage switch for SDSC cards if supported
	ata: ahci_sunxi: Disable DIPM
	cpu/hotplug: Cure the cpusets trainwreck
	ASoC: tegra: Set driver_name=tegra for all machine drivers
	qemu_fw_cfg: Make fw_cfg_rev_attr a proper kobj_attribute
	ipmi/watchdog: Stop watchdog timer when the current action is 'none'
	power: supply: ab8500: Fix an old bug
	seq_buf: Fix overflow in seq_buf_putmem_hex()
	tracing: Simplify & fix saved_tgids logic
	ipack/carriers/tpci200: Fix a double free in tpci200_pci_probe
	dm btree remove: assign new_root only when removal succeeds
	media: dtv5100: fix control-request directions
	media: zr364xx: fix memory leak in zr364xx_start_readpipe
	media: gspca/sq905: fix control-request direction
	media: gspca/sunplus: fix zero-length control requests
	media: uvcvideo: Fix pixel format change for Elgato Cam Link 4K
	jfs: fix GPF in diFree
	smackfs: restrict bytes count in smk_set_cipso()
	KVM: x86: Use guest MAXPHYADDR from CPUID.0x8000_0008 iff TDP is enabled
	KVM: X86: Disable hardware breakpoints unconditionally before kvm_x86->run()
	scsi: core: Fix bad pointer dereference when ehandler kthread is invalid
	tracing: Do not reference char * as a string in histograms
	PCI: aardvark: Don't rely on jiffies while holding spinlock
	PCI: aardvark: Fix kernel panic during PIO transfer
	tty: serial: fsl_lpuart: fix the potential risk of division or modulo by zero
	misc/libmasm/module: Fix two use after free in ibmasm_init_one
	Revert "ALSA: bebob/oxfw: fix Kconfig entry for Mackie d.2 Pro"
	w1: ds2438: fixing bug that would always get page0
	scsi: lpfc: Fix "Unexpected timeout" error in direct attach topology
	scsi: lpfc: Fix crash when lpfc_sli4_hba_setup() fails to initialize the SGLs
	scsi: core: Cap scsi_host cmd_per_lun at can_queue
	tty: serial: 8250: serial_cs: Fix a memory leak in error handling path
	fs/jfs: Fix missing error code in lmLogInit()
	scsi: iscsi: Add iscsi_cls_conn refcount helpers
	scsi: iscsi: Fix shost->max_id use
	scsi: qedi: Fix null ref during abort handling
	mfd: da9052/stmpe: Add and modify MODULE_DEVICE_TABLE
	s390/sclp_vt220: fix console name to match device
	ALSA: sb: Fix potential double-free of CSP mixer elements
	powerpc/ps3: Add dma_mask to ps3_dma_region
	gpio: zynq: Check return value of pm_runtime_get_sync
	ALSA: ppc: fix error return code in snd_pmac_probe()
	selftests/powerpc: Fix "no_handler" EBB selftest
	ASoC: soc-core: Fix the error return code in snd_soc_of_parse_audio_routing()
	ALSA: bebob: add support for ToneWeal FW66
	usb: gadget: f_hid: fix endianness issue with descriptors
	usb: gadget: hid: fix error return code in hid_bind()
	powerpc/boot: Fixup device-tree on little endian
	backlight: lm3630a: Fix return code of .update_status() callback
	ALSA: hda: Add IRQ check for platform_get_irq()
	staging: rtl8723bs: fix macro value for 2.4Ghz only device
	intel_th: Wait until port is in reset before programming it
	i2c: core: Disable client irq on reboot/shutdown
	lib/decompress_unlz4.c: correctly handle zero-padding around initrds.
	pwm: spear: Don't modify HW state in .remove callback
	power: supply: ab8500: Avoid NULL pointers
	power: supply: max17042: Do not enforce (incorrect) interrupt trigger type
	power: reset: gpio-poweroff: add missing MODULE_DEVICE_TABLE
	ARM: 9087/1: kprobes: test-thumb: fix for LLVM_IAS=1
	watchdog: Fix possible use-after-free in wdt_startup()
	watchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff()
	watchdog: Fix possible use-after-free by calling del_timer_sync()
	watchdog: iTCO_wdt: Account for rebooting on second timeout
	x86/fpu: Return proper error codes from user access functions
	orangefs: fix orangefs df output.
	ceph: remove bogus checks and WARN_ONs from ceph_set_page_dirty
	NFS: nfs_find_open_context() may only select open files
	power: supply: charger-manager: add missing MODULE_DEVICE_TABLE
	power: supply: ab8500: add missing MODULE_DEVICE_TABLE
	pwm: tegra: Don't modify HW state in .remove callback
	ACPI: AMBA: Fix resource name in /proc/iomem
	ACPI: video: Add quirk for the Dell Vostro 3350
	virtio-blk: Fix memory leak among suspend/resume procedure
	virtio_net: Fix error handling in virtnet_restore()
	virtio_console: Assure used length from device is limited
	f2fs: add MODULE_SOFTDEP to ensure crc32 is included in the initramfs
	PCI/sysfs: Fix dsm_label_utf16s_to_utf8s() buffer overrun
	power: supply: rt5033_battery: Fix device tree enumeration
	um: fix error return code in slip_open()
	um: fix error return code in winch_tramp()
	watchdog: aspeed: fix hardware timeout calculation
	nfs: fix acl memory leak of posix_acl_create()
	ubifs: Set/Clear I_LINKABLE under i_lock for whiteout inode
	x86/fpu: Limit xstate copy size in xstateregs_set()
	ALSA: isa: Fix error return code in snd_cmi8330_probe()
	NFSv4/pNFS: Don't call _nfs4_pnfs_v3_ds_connect multiple times
	hexagon: use common DISCARDS macro
	reset: a10sr: add missing of_match_table reference
	ARM: dts: exynos: fix PWM LED max brightness on Odroid XU/XU3
	ARM: dts: exynos: fix PWM LED max brightness on Odroid XU4
	memory: atmel-ebi: add missing of_node_put for loop iteration
	rtc: fix snprintf() checking in is_rtc_hctosys()
	ARM: dts: r8a7779, marzen: Fix DU clock names
	ARM: dts: BCM5301X: Fixup SPI binding
	reset: bail if try_module_get() fails
	memory: fsl_ifc: fix leak of IO mapping on probe failure
	memory: fsl_ifc: fix leak of private memory on probe failure
	ARM: dts: am335x: align ti,pindir-d0-out-d1-in property with dt-shema
	scsi: be2iscsi: Fix an error handling path in beiscsi_dev_probe()
	mips: always link byteswap helpers into decompressor
	mips: disable branch profiling in boot/decompress.o
	MIPS: vdso: Invalid GIC access through VDSO
	net: bridge: multicast: fix PIM hello router port marking race
	seq_file: disallow extremely large seq buffer allocations
	Linux 4.14.240

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Id1138ade09dcf12b10b98b21ad8a6b328e417623
 2021-07-20 17:03:40 +02:00
Athira Rajeev
4d874bb93e selftests/powerpc: Fix "no_handler" EBB selftest 
[ Upstream commit 45677c9aebe926192e59475b35a1ff35ff2d4217 ]

The "no_handler_test" in ebb selftests attempts to read the PMU
registers twice via helper function "dump_ebb_state". First dump is
just before closing of event and the second invocation is done after
closing of the event. The original intention of second
dump_ebb_state was to dump the state of registers at the end of
the test when the counters are frozen. But this will be achieved
with the first call itself since sample period is set to low value
and PMU will be frozen by then. Hence patch removes the
dump which was done before closing of the event.

Reported-by: Shirisha Ganta <shirisha.ganta1@ibm.com>
Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Tested-by: Nageswara R Sastry <rnsastry@linux.ibm.com <mailto:rnsastry@linux.ibm.com>>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1621950703-1532-2-git-send-email-atrajeev@linux.vnet.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-07-20 16:17:50 +02:00
Dave Hansen
c59680b928 selftests/vm/pkeys: fix alloc_random_pkey() to make it really, really random 
[ Upstream commit f36ef407628835a7d7fb3d235b1f1aac7022d9a3 ]

Patch series "selftests/vm/pkeys: Bug fixes and a new test".

There has been a lot of activity on the x86 front around the XSAVE
architecture which is used to context-switch processor state (among other
things).  In addition, AMD has recently joined the protection keys club by
adding processor support for PKU.

The AMD implementation helped uncover a kernel bug around the PKRU "init
state", which actually applied to Intel's implementation but was just
harder to hit.  This series adds a test which is expected to help find
this class of bug both on AMD and Intel.  All the work around pkeys on x86
also uncovered a few bugs in the selftest.

This patch (of 4):

The "random" pkey allocation code currently does the good old:

	srand((unsigned int)time(NULL));

*But*, it unfortunately does this on every random pkey allocation.

There may be thousands of these a second.  time() has a one second
resolution.  So, each time alloc_random_pkey() is called, the PRNG is
*RESET* to time().  This is nasty.  Normally, if you do:

	srand(<ANYTHING>);
	foo = rand();
	bar = rand();

You'll be quite guaranteed that 'foo' and 'bar' are different.  But, if
you do:

	srand(1);
	foo = rand();
	srand(1);
	bar = rand();

You are quite guaranteed that 'foo' and 'bar' are the *SAME*.  The recent
"fix" effectively forced the test case to use the same "random" pkey for
the whole test, unless the test run crossed a second boundary.

Only run srand() once at program startup.

This explains some very odd and persistent test failures I've been seeing.

Link: https://lkml.kernel.org/r/20210611164153.91B76FB8@viggo.jf.intel.com
Link: https://lkml.kernel.org/r/20210611164155.192D00FF@viggo.jf.intel.com
Fixes: 6e373263ce07 ("selftests/vm/pkeys: fix alloc_random_pkey() to make it really random")
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Ram Pai <linuxram@us.ibm.com>
Cc: Sandipan Das <sandipan@linux.ibm.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: "Desnes A. Nunes do Rosario" <desnesn@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Suchanek <msuchanek@suse.de>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-07-20 16:17:41 +02:00
Greg Kroah-Hartman
673bed7d53 This is the 4.14.237 stable release 
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Merge 4.14.237 into android-4.14-stable

Changes in 4.14.237
	proc: Track /proc/$pid/attr/ opener mm_struct
	net/nfc/rawsock.c: fix a permission check bug
	ASoC: sti-sas: add missing MODULE_DEVICE_TABLE
	isdn: mISDN: netjet: Fix crash in nj_probe:
	bonding: init notify_work earlier to avoid uninitialized use
	netlink: disable IRQs for netlink_lock_table()
	net: mdiobus: get rid of a BUG_ON()
	cgroup: disable controllers at parse time
	wq: handle VM suspension in stall detection
	net/qla3xxx: fix schedule while atomic in ql_sem_spinlock
	scsi: vmw_pvscsi: Set correct residual data length
	scsi: target: qla2xxx: Wait for stop_phase1 at WWN removal
	net: macb: ensure the device is available before accessing GEMGXL control registers
	net: appletalk: cops: Fix data race in cops_probe1
	MIPS: Fix kernel hang under FUNCTION_GRAPH_TRACER and PREEMPT_TRACER
	bnx2x: Fix missing error code in bnx2x_iov_init_one()
	powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers
	powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers
	i2c: mpc: Make use of i2c_recover_bus()
	i2c: mpc: implement erratum A-004447 workaround
	drm: Fix use-after-free read in drm_getunique()
	drm: Lock pointer access in drm_master_release()
	kvm: avoid speculation-based attacks from out-of-range memslot accesses
	staging: rtl8723bs: Fix uninitialized variables
	btrfs: return value from btrfs_mark_extent_written() in case of error
	cgroup1: don't allow '\n' in renaming
	USB: f_ncm: ncm_bitrate (speed) is unsigned
	usb: dwc3: ep0: fix NULL pointer exception
	usb: typec: ucsi: Clear PPM capability data in ucsi_init() error path
	usb: gadget: f_fs: Ensure io_completion_wq is idle during unbind
	USB: serial: ftdi_sio: add NovaTech OrionMX product ID
	USB: serial: omninet: add device id for Zyxel Omni 56K Plus
	USB: serial: quatech2: fix control-request directions
	usb: gadget: eem: fix wrong eem header operation
	usb: fix various gadgets null ptr deref on 10gbps cabling.
	usb: fix various gadget panics on 10gbps cabling
	regulator: core: resolve supply for boot-on/always-on regulators
	regulator: max77620: Use device_set_of_node_from_dev()
	perf: Fix data race between pin_count increment/decrement
	NFS: Fix a potential NULL dereference in nfs_get_client()
	perf session: Correct buffer copying when peeking events
	kvm: fix previous commit for 32-bit builds
	NFS: Fix use-after-free in nfs4_init_client()
	NFSv4: nfs4_proc_set_acl needs to restore NFS_CAP_UIDGID_NOMAP on error.
	scsi: core: Fix error handling of scsi_host_alloc()
	scsi: core: Put .shost_dev in failure path if host state changes to RUNNING
	scsi: core: Only put parent device if host state differs from SHOST_CREATED
	ftrace: Do not blindly read the ip address in ftrace_bug()
	tracing: Correct the length check which causes memory corruption
	proc: only require mm_struct for writing
	Linux 4.14.237

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I41cfb164c08b80b57582abe104112ed9b392c020
 2021-06-16 12:07:46 +02:00
Leo Yan
f80aa52ef6 perf session: Correct buffer copying when peeking events 
[ Upstream commit 197eecb6ecae0b04bd694432f640ff75597fed9c ]

When peeking an event, it has a short path and a long path.  The short
path uses the session pointer "one_mmap_addr" to directly fetch the
event; and the long path needs to read out the event header and the
following event data from file and fill into the buffer pointer passed
through the argument "buf".

The issue is in the long path that it copies the event header and event
data into the same destination address which pointer "buf", this means
the event header is overwritten.  We are just lucky to run into the
short path in most cases, so we don't hit the issue in the long path.

This patch adds the offset "hdr_sz" to the pointer "buf" when copying
the event data, so that it can reserve the event header which can be
used properly by its caller.

Fixes: 5a52f33adf02 ("perf session: Add perf_session__peek_event()")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210605052957.1070720-1-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-06-16 11:53:04 +02:00
Greg Kroah-Hartman
f001a7d3ec This is the 4.14.236 stable release 
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Merge 4.14.236 into android-4.14-stable

Changes in 4.14.236
	net: usb: cdc_ncm: don't spew notifications
	efi: Allow EFI_MEMORY_XP and EFI_MEMORY_RO both to be cleared
	efi: cper: fix snprintf() use in cper_dimm_err_location()
	vfio/pci: Fix error return code in vfio_ecap_init()
	vfio/pci: zap_vma_ptes() needs MMU
	vfio/platform: fix module_put call in error flow
	ipvs: ignore IP_VS_SVC_F_HASHED flag when adding service
	HID: pidff: fix error return code in hid_pidff_init()
	HID: i2c-hid: fix format string mismatch
	netfilter: nfnetlink_cthelper: hit EBUSY on updates if size mismatches
	ieee802154: fix error return code in ieee802154_add_iface()
	ieee802154: fix error return code in ieee802154_llsec_getparams()
	Bluetooth: fix the erroneous flush_work() order
	Bluetooth: use correct lock to prevent UAF of hdev object
	net: caif: added cfserl_release function
	net: caif: add proper error handling
	net: caif: fix memory leak in caif_device_notify
	net: caif: fix memory leak in cfusbl_device_notify
	ALSA: timer: Fix master timer notification
	ext4: fix bug on in ext4_es_cache_extent as ext4_split_extent_at failed
	pid: take a reference when initializing `cad_pid`
	ocfs2: fix data corruption by fallocate
	nfc: fix NULL ptr dereference in llcp_sock_getname() after failed connect
	btrfs: fix error handling in btrfs_del_csums
	btrfs: fixup error handling in fixup_inode_link_counts
	mm, hugetlb: fix simple resv_huge_pages underflow on UFFDIO_COPY
	bpf, selftests: Fix up some test_verifier cases for unprivileged
	bpf: Move off_reg into sanitize_ptr_alu
	bpf: Ensure off_reg has no mixed signed bounds for all types
	bpf: Rework ptr_limit into alu_limit and add common error path
	bpf: Improve verifier error messages for users
	bpf: Refactor and streamline bounds check into helper
	bpf: Move sanitize_val_alu out of op switch
	bpf: Tighten speculative pointer arithmetic mask
	bpf: Update selftests to reflect new error states
	bpf: do not allow root to mangle valid pointers
	bpf/verifier: disallow pointer subtraction
	selftests/bpf: fix test_align
	selftests/bpf: make 'dubious pointer arithmetic' test useful
	bpf: Fix leakage of uninitialized bpf stack under speculation
	bpf: Wrap aux data inside bpf_sanitize_info container
	bpf: Fix mask direction swap upon off reg sign change
	bpf: No need to simulate speculative domain for immediates
	bnxt_en: Remove the setting of dev_port.
	KVM: SVM: Truncate GPR value for DR and CR accesses in !64-bit mode
	sched/fair: Optimize select_idle_cpu
	xen-pciback: redo VF placement in the virtual topology
	Linux 4.14.236

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9a3453b78d1964e12e296c7fea22a5f32a4aa9e8
 2021-06-10 13:44:32 +02:00
Alexei Starovoitov
ecc26ff830 selftests/bpf: make 'dubious pointer arithmetic' test useful 
commit 31e95b61e172144bb2b626a291db1bdc0769275b upstream.

mostly revert the previous workaround and make
'dubious pointer arithmetic' test useful again.
Use (ptr - ptr) << const instead of ptr << const to generate large scalar.
The rest stays as before commit 2b36047e7889.

Fixes: 2b36047e7889 ("selftests/bpf: fix test_align")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
[fllinden@amazon.com: adjust for 4.14 (no liveness of regs in output)]
Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-10 12:43:53 +02:00
Alexei Starovoitov
591da46fae selftests/bpf: fix test_align 
commit 2b36047e7889b7efee22c11e17f035f721855731 upstream.

since commit 82abbf8d2fc4 the verifier rejects the bit-wise
arithmetic on pointers earlier.
The test 'dubious pointer arithmetic' now has less output to match on.
Adjust it.

Fixes: 82abbf8d2fc4 ("bpf: do not allow root to mangle valid pointers")
Reported-by: kernel test robot <xiaolong.ye@intel.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-10 12:43:53 +02:00
Alexei Starovoitov
9652b04830 bpf: do not allow root to mangle valid pointers 
commit 82abbf8d2fc46d79611ab58daa7c608df14bb3ee upstream.

Do not allow root to convert valid pointers into unknown scalars.
In particular disallow:
 ptr &= reg
 ptr <<= reg
 ptr += ptr
and explicitly allow:
 ptr -= ptr
since pkt_end - pkt == length

1.
This minimizes amount of address leaks root can do.
In the future may need to further tighten the leaks with kptr_restrict.

2.
If program has such pointer math it's likely a user mistake and
when verifier complains about it right away instead of many instructions
later on invalid memory access it's easier for users to fix their progs.

3.
when register holding a pointer cannot change to scalar it allows JITs to
optimize better. Like 32-bit archs could use single register for pointers
instead of a pair required to hold 64-bit scalars.

4.
reduces architecture dependent behavior. Since code:
r1 = r10;
r1 &= 0xff;
if (r1 ...)
will behave differently arm64 vs x64 and offloaded vs native.

A significant chunk of ptr mangling was allowed by
commit f1174f77b50c ("bpf/verifier: rework value tracking")
yet some of it was allowed even earlier.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
[fllinden@amazon.com: backport to 4.14]
Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-10 12:43:52 +02:00
Daniel Borkmann
bb53b0a979 bpf: Update selftests to reflect new error states 
commit d7a5091351756d0ae8e63134313c455624e36a13 upstream.

Update various selftest error messages:

 * The 'Rx tried to sub from different maps, paths, or prohibited types'
   is reworked into more specific/differentiated error messages for better
   guidance.

 * The change into 'value -4294967168 makes map_value pointer be out of
   bounds' is due to moving the mixed bounds check into the speculation
   handling and thus occuring slightly later than above mentioned sanity
   check.

 * The change into 'math between map_value pointer and register with
   unbounded min value' is similarly due to register sanity check coming
   before the mixed bounds check.

 * The case of 'map access: known scalar += value_ptr from different maps'
   now loads fine given masks are the same from the different paths (despite
   max map value size being different).

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
[fllinden@amazon.com - 4.14 backport, account for split test_verifier and
different / missing tests]
Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-10 12:43:52 +02:00
Piotr Krysiuk
036f897d67 bpf, selftests: Fix up some test_verifier cases for unprivileged 
commit 0a13e3537ea67452d549a6a80da3776d6b7dedb3 upstream.

Fix up test_verifier error messages for the case where the original error
message changed, or for the case where pointer alu errors differ between
privileged and unprivileged tests. Also, add alternative tests for keeping
coverage of the original verifier rejection error message (fp alu), and
newly reject map_ptr += rX where rX == 0 given we now forbid alu on these
types for unprivileged. All test_verifier cases pass after the change. The
test case fixups were kept separate to ease backporting of core changes.

Signed-off-by: Piotr Krysiuk <piotras@gmail.com>
Co-developed-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
[fllinden@amazon.com: backport to 4.14, skipping non-existent tests]
Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-10 12:43:52 +02:00
Greg Kroah-Hartman
9947d6512e This is the 4.14.235 stable release 
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Merge 4.14.235 into android-4.14-stable

Changes in 4.14.235
	mm, vmstat: drop zone->lock in /proc/pagetypeinfo
	tweewide: Fix most Shebang lines
	scripts: switch explicitly to Python 3
	usb: dwc3: gadget: Enable suspend events
	netfilter: x_tables: Use correct memory barriers.
	NFC: nci: fix memory leak in nci_allocate_device
	NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()
	iommu/vt-d: Fix sysfs leak in alloc_iommu()
	perf intel-pt: Fix sample instruction bytes
	perf intel-pt: Fix transaction abort handling
	proc: Check /proc/$pid/attr/ writes against file opener
	net: hso: fix control-request directions
	mac80211: assure all fragments are encrypted
	mac80211: prevent mixed key and fragment cache attacks
	mac80211: properly handle A-MSDUs that start with an RFC 1042 header
	cfg80211: mitigate A-MSDU aggregation attacks
	mac80211: drop A-MSDUs on old ciphers
	mac80211: add fragment cache to sta_info
	mac80211: check defrag PN against current frame
	mac80211: prevent attacks on TKIP/WEP as well
	mac80211: do not accept/forward invalid EAPOL frames
	mac80211: extend protection against mixed key and fragment cache attacks
	ath10k: Validate first subframe of A-MSDU before processing the list
	dm snapshot: properly fix a crash when an origin has no snapshots
	kgdb: fix gcc-11 warnings harder
	misc/uss720: fix memory leak in uss720_probe
	thunderbolt: dma_port: Fix NVM read buffer bounds and offset issue
	mei: request autosuspend after sending rx flow control
	staging: iio: cdc: ad7746: avoid overwrite of num_channels
	iio: adc: ad7793: Add missing error code in ad7793_setup()
	USB: trancevibrator: fix control-request direction
	serial: sh-sci: Fix off-by-one error in FIFO threshold register setting
	serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait'
	USB: serial: ti_usb_3410_5052: add startech.com device id
	USB: serial: option: add Telit LE910-S1 compositions 0x7010, 0x7011
	USB: serial: ftdi_sio: add IDs for IDS GmbH Products
	USB: serial: pl2303: add device id for ADLINK ND-6530 GC
	usb: gadget: udc: renesas_usb3: Fix a race in usb3_start_pipen()
	net: usb: fix memory leak in smsc75xx_bind
	Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails
	NFS: fix an incorrect limit in filelayout_decode_layout()
	NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
	NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config
	drm/meson: fix shutdown crash when component not probed
	net/mlx4: Fix EEPROM dump support
	Revert "net:tipc: Fix a double free in tipc_sk_mcast_rcv"
	tipc: skb_linearize the head skb when reassembling msgs
	i2c: s3c2410: fix possible NULL pointer deref on read message after write
	i2c: i801: Don't generate an interrupt on bus reset
	perf jevents: Fix getting maximum number of fds
	platform/x86: hp_accel: Avoid invoking _INI to speed up resume
	serial: max310x: unregister uart driver in case of failure and abort
	net: fujitsu: fix potential null-ptr-deref
	net: caif: remove BUG_ON(dev == NULL) in caif_xmit
	char: hpet: add checks after calling ioremap
	isdn: mISDNinfineon: check/cleanup ioremap failure correctly in setup_io
	dmaengine: qcom_hidma: comment platform_driver_register call
	libertas: register sysfs groups properly
	media: dvb: Add check on sp8870_readreg return
	media: gspca: properly check for errors in po1030_probe()
	scsi: BusLogic: Fix 64-bit system enumeration error for Buslogic
	openrisc: Define memory barrier mb
	btrfs: do not BUG_ON in link_to_fixup_dir
	platform/x86: hp-wireless: add AMD's hardware id to the supported list
	platform/x86: intel_punit_ipc: Append MODULE_DEVICE_TABLE for ACPI
	SMB3: incorrect file id in requests compounded with open
	drm/amdgpu: Fix a use-after-free
	net: netcp: Fix an error message
	net: mdio: thunder: Fix a double free issue in the .remove function
	net: mdio: octeon: Fix some double free issues
	net: bnx2: Fix error return code in bnx2_init_board()
	mld: fix panic in mld_newpack()
	staging: emxx_udc: fix loop in _nbu2ss_nuke()
	ASoC: cs35l33: fix an error code in probe()
	bpf: Set mac_len in bpf_skb_change_head
	ixgbe: fix large MTU request from VF
	scsi: libsas: Use _safe() loop in sas_resume_port()
	ipv6: record frag_max_size in atomic fragments in input path
	sch_dsmark: fix a NULL deref in qdisc_reset()
	MIPS: alchemy: xxs1500: add gpio-au1000.h header file
	MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c
	hugetlbfs: hugetlb_fault_mutex_hash() cleanup
	drivers/net/ethernet: clean up unused assignments
	usb: core: reduce power-on-good delay time of root hub
	Linux 4.14.235

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I735fd41028b46124aa0725708909a21f3d136173
 2021-06-03 09:04:42 +02:00
Felix Fietkau
9a4e0f0e96 perf jevents: Fix getting maximum number of fds 
commit 75ea44e356b5de8c817f821c9dd68ae329e82add upstream.

On some hosts, rlim.rlim_max can be returned as RLIM_INFINITY.
By casting it to int, it is interpreted as -1, which will cause get_maxfds
to return 0, causing "Invalid argument" errors in nftw() calls.
Fix this by casting the second argument of min() to rlim_t instead.

Fixes: 80eeb67fe577 ("perf jevents: Program to convert JSON file")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Link: http://lore.kernel.org/lkml/20210525160758.97829-1-nbd@nbd.name
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-03 08:36:20 +02:00
Adrian Hunter
55a16e40cd perf intel-pt: Fix transaction abort handling 
commit cb7987837c31b217b28089bbc78922d5c9187869 upstream.

When adding support for power events, some handling of FUP packets was
unified. That resulted in breaking reporting of TSX aborts, by not
considering the associated TIP packet. Fix that.

Example:

A machine that supports TSX is required. It will have flag "rtm". Kernel
parameter tsx=on may be required.

 # for w in `cat /proc/cpuinfo | grep -m1 flags `;do echo $w | grep rtm ; done
 rtm

Test program:

 #include <stdio.h>
 #include <immintrin.h>

 int main()
 {
        int x = 0;

        if (_xbegin() == _XBEGIN_STARTED) {
                x = 1;
                _xabort(1);
        } else {
                printf("x = %d\n", x);
        }
        return 0;
 }

Compile with -mrtm i.e.

 gcc -Wall -Wextra -mrtm xabort.c -o xabort

Record:

 perf record -e intel_pt/cyc/u --filter 'filter main @ ./xabort' ./xabort

Before:

 # perf script --itrace=be -F+flags,+addr,-period,-event --ns
          xabort  1478 [007] 92161.431348552:   tr strt                             0 [unknown] ([unknown]) =>           400b6d main+0x0 (/root/xabort)
          xabort  1478 [007] 92161.431348624:   jmp                            400b96 main+0x29 (/root/xabort) =>           400bae main+0x41 (/root/xabort)
          xabort  1478 [007] 92161.431348624:   return                         400bb4 main+0x47 (/root/xabort) =>           400b87 main+0x1a (/root/xabort)
          xabort  1478 [007] 92161.431348637:   jcc                            400b8a main+0x1d (/root/xabort) =>           400b98 main+0x2b (/root/xabort)
          xabort  1478 [007] 92161.431348644:   tr end  call                   400ba9 main+0x3c (/root/xabort) =>           40f690 printf+0x0 (/root/xabort)
          xabort  1478 [007] 92161.431360859:   tr strt                             0 [unknown] ([unknown]) =>           400bae main+0x41 (/root/xabort)
          xabort  1478 [007] 92161.431360882:   tr end  return                 400bb4 main+0x47 (/root/xabort) =>           401139 __libc_start_main+0x309 (/root/xabort)

After:

 # perf script --itrace=be -F+flags,+addr,-period,-event --ns
          xabort  1478 [007] 92161.431348552:   tr strt                             0 [unknown] ([unknown]) =>           400b6d main+0x0 (/root/xabort)
          xabort  1478 [007] 92161.431348624:   tx abrt                        400b93 main+0x26 (/root/xabort) =>           400b87 main+0x1a (/root/xabort)
          xabort  1478 [007] 92161.431348637:   jcc                            400b8a main+0x1d (/root/xabort) =>           400b98 main+0x2b (/root/xabort)
          xabort  1478 [007] 92161.431348644:   tr end  call                   400ba9 main+0x3c (/root/xabort) =>           40f690 printf+0x0 (/root/xabort)
          xabort  1478 [007] 92161.431360859:   tr strt                             0 [unknown] ([unknown]) =>           400bae main+0x41 (/root/xabort)
          xabort  1478 [007] 92161.431360882:   tr end  return                 400bb4 main+0x47 (/root/xabort) =>           401139 __libc_start_main+0x309 (/root/xabort)

Fixes: a472e65fc490a ("perf intel-pt: Add decoder support for ptwrite and power event packets")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lore.kernel.org/lkml/20210519074515.9262-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-03 08:36:12 +02:00
Adrian Hunter
bc586be0ef perf intel-pt: Fix sample instruction bytes 
commit c954eb72b31a9dc56c99b450253ec5b121add320 upstream.

The decoder reports the current instruction if it was decoded. In some
cases the current instruction is not decoded, in which case the instruction
bytes length must be set to zero. Ensure that is always done.

Note perf script can anyway get the instruction bytes for any samples where
they are not present.

Also note, that there is a redundant "ptq->insn_len = 0" statement which is
not removed until a subsequent patch in order to make this patch apply
cleanly to stable branches.

Example:

A machne that supports TSX is required. It will have flag "rtm". Kernel
parameter tsx=on may be required.

 # for w in `cat /proc/cpuinfo | grep -m1 flags `;do echo $w | grep rtm ; done
 rtm

Test program:

 #include <stdio.h>
 #include <immintrin.h>

 int main()
 {
        int x = 0;

        if (_xbegin() == _XBEGIN_STARTED) {
                x = 1;
                _xabort(1);
        } else {
                printf("x = %d\n", x);
        }
        return 0;
 }

Compile with -mrtm i.e.

 gcc -Wall -Wextra -mrtm xabort.c -o xabort

Record:

 perf record -e intel_pt/cyc/u --filter 'filter main @ ./xabort' ./xabort

Before:

 # perf script --itrace=xe -F+flags,+insn,-period --xed --ns
          xabort  1478 [007] 92161.431348581:   transactions:   x                              400b81 main+0x14 (/root/xabort)          mov $0xffffffff, %eax
          xabort  1478 [007] 92161.431348624:   transactions:   tx abrt                        400b93 main+0x26 (/root/xabort)          mov $0xffffffff, %eax

After:

 # perf script --itrace=xe -F+flags,+insn,-period --xed --ns
          xabort  1478 [007] 92161.431348581:   transactions:   x                              400b81 main+0x14 (/root/xabort)          xbegin 0x6
          xabort  1478 [007] 92161.431348624:   transactions:   tx abrt                        400b93 main+0x26 (/root/xabort)          xabort $0x1

Fixes: faaa87680b25d ("perf intel-pt/bts: Report instruction bytes and length in sample")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lore.kernel.org/lkml/20210519074515.9262-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-03 08:36:12 +02:00
Finn Behrens
5ea96edf5d tweewide: Fix most Shebang lines 
commit c25ce589dca10d64dde139ae093abc258a32869c upstream.

Change every shebang which does not need an argument to use /usr/bin/env.
This is needed as not every distro has everything under /usr/bin,
sometimes not even bash.

Signed-off-by: Finn Behrens <me@kloenk.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
[nicolas@fjasle.eu: update contexts for v4.14, adapt for old scripts]
Signed-off-by: Nicolas Schier <nicolas@fjasle.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-06-03 08:36:11 +02:00
Greg Kroah-Hartman
22dc72c914 This is the 4.14.233 stable release 
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Merge 4.14.233 into android-4.14-stable

Changes in 4.14.233
	usbip: vudc synchronize sysfs code paths
	ACPI: tables: x86: Reserve memory occupied by ACPI tables
	ACPI: x86: Call acpi_boot_table_init() after acpi_table_upgrade()
	bpf: Fix backport of "bpf: restrict unknown scalars of mixed signed bounds for unprivileged"
	bpf: fix up selftests after backports were fixed
	net: usb: ax88179_178a: initialize local variables before use
	iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue_hcmd()
	MIPS: Introduce isa-rev.h to define MIPS_ISA_REV
	MIPS: cpu-features.h: Replace __mips_isa_rev with MIPS_ISA_REV
	mips: Do not include hi and lo in clobber list for R6
	bpf: Fix masking negation logic upon negative dst register
	iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_gen2_enqueue_hcmd()
	ALSA: usb-audio: Add MIDI quirk for Vox ToneLab EX
	USB: Add LPM quirk for Lenovo ThinkPad USB-C Dock Gen2 Ethernet
	USB: Add reset-resume quirk for WD19's Realtek Hub
	platform/x86: thinkpad_acpi: Correct thermal sensor allocation
	s390/disassembler: increase ebpf disasm buffer size
	ACPI: custom_method: fix potential use-after-free issue
	ACPI: custom_method: fix a possible memory leak
	arm64: dts: mt8173: fix property typo of 'phys' in dsi node
	ecryptfs: fix kernel panic with null dev_name
	spi: spi-ti-qspi: Free DMA resources
	mmc: block: Update ext_csd.cache_ctrl if it was written
	mmc: core: Do a power cycle when the CMD11 fails
	mmc: core: Set read only for SD cards with permanent write protect bit
	cifs: Return correct error code from smb2_get_enc_key
	btrfs: fix metadata extent leak after failure to create subvolume
	intel_th: pci: Add Rocket Lake CPU support
	fbdev: zero-fill colormap in fbcmap.c
	staging: wimax/i2400m: fix byte-order issue
	crypto: api - check for ERR pointers in crypto_destroy_tfm()
	usb: gadget: uvc: add bInterval checking for HS mode
	usb: gadget: f_uac1: validate input parameters
	usb: dwc3: gadget: Ignore EP queue requests during bus reset
	usb: xhci: Fix port minor revision
	PCI: PM: Do not read power state in pci_enable_device_flags()
	x86/build: Propagate $(CLANG_FLAGS) to $(REALMODE_FLAGS)
	tee: optee: do not check memref size on return from Secure World
	perf/arm_pmu_platform: Fix error handling
	spi: dln2: Fix reference leak to master
	spi: omap-100k: Fix reference leak to master
	intel_th: Consistency and off-by-one fix
	phy: phy-twl4030-usb: Fix possible use-after-free in twl4030_usb_remove()
	btrfs: convert logic BUG_ON()'s in replace_path to ASSERT()'s
	scsi: lpfc: Fix incorrect dbde assignment when building target abts wqe
	scsi: lpfc: Fix pt2pt connection does not recover after LOGO
	scsi: target: pscsi: Fix warning in pscsi_complete_cmd()
	media: ite-cir: check for receive overflow
	power: supply: bq27xxx: fix power_avg for newer ICs
	extcon: arizona: Fix some issues when HPDET IRQ fires after the jack has been unplugged
	media: media/saa7164: fix saa7164_encoder_register() memory leak bugs
	media: gspca/sq905.c: fix uninitialized variable
	power: supply: Use IRQF_ONESHOT
	drm/amdgpu : Fix asic reset regression issue introduce by 8f211fe8ac7c4f
	scsi: qla2xxx: Always check the return value of qla24xx_get_isp_stats()
	scsi: qla2xxx: Fix use after free in bsg
	scsi: scsi_dh_alua: Remove check for ASC 24h in alua_rtpg()
	media: em28xx: fix memory leak
	media: vivid: update EDID
	clk: socfpga: arria10: Fix memory leak of socfpga_clk on error return
	power: supply: generic-adc-battery: fix possible use-after-free in gab_remove()
	power: supply: s3c_adc_battery: fix possible use-after-free in s3c_adc_bat_remove()
	media: adv7604: fix possible use-after-free in adv76xx_remove()
	media: i2c: adv7511-v4l2: fix possible use-after-free in adv7511_remove()
	media: i2c: adv7842: fix possible use-after-free in adv7842_remove()
	media: dvb-usb: fix memory leak in dvb_usb_adapter_init
	media: gscpa/stv06xx: fix memory leak
	drm/msm/mdp5: Configure PP_SYNC_HEIGHT to double the vtotal
	drm/amdgpu: fix NULL pointer dereference
	scsi: lpfc: Fix crash when a REG_RPI mailbox fails triggering a LOGO response
	scsi: lpfc: Remove unsupported mbox PORT_CAPABILITIES logic
	scsi: libfc: Fix a format specifier
	ALSA: emu8000: Fix a use after free in snd_emu8000_create_mixer
	ALSA: hda/conexant: Re-order CX5066 quirk table entries
	ALSA: sb: Fix two use after free in snd_sb_qsound_build
	btrfs: fix race when picking most recent mod log operation for an old root
	arm64/vdso: Discard .note.gnu.property sections in vDSO
	openvswitch: fix stack OOB read while fragmenting IPv4 packets
	ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure
	NFSv4: Don't discard segments marked for return in _pnfs_return_layout()
	jffs2: Fix kasan slab-out-of-bounds problem
	powerpc/eeh: Fix EEH handling for hugepages in ioremap space.
	powerpc: fix EDEADLOCK redefinition error in uapi/asm/errno.h
	intel_th: pci: Add Alder Lake-M support
	md/raid1: properly indicate failure when ending a failed write request
	security: commoncap: fix -Wstringop-overread warning
	Fix misc new gcc warnings
	jffs2: check the validity of dstlen in jffs2_zlib_compress()
	Revert 337f13046ff0 ("futex: Allow FUTEX_CLOCK_REALTIME with FUTEX_WAIT op")
	posix-timers: Preserve return value in clock_adjtime32()
	ftrace: Handle commands when closing set_ftrace_filter file
	ext4: fix check to prevent false positive report of incorrect used inodes
	ext4: fix error code in ext4_commit_super
	media: dvbdev: Fix memory leak in dvb_media_device_free()
	usb: gadget: dummy_hcd: fix gpf in gadget_setup
	usb: gadget: Fix double free of device descriptor pointers
	usb: gadget/function/f_fs string table fix for multiple languages
	usb: dwc3: gadget: Fix START_TRANSFER link state check
	tracing: Map all PIDs to command lines
	dm persistent data: packed struct should have an aligned() attribute too
	dm space map common: fix division bug in sm_ll_find_free_block()
	dm rq: fix double free of blk_mq_tag_set in dev remove after table load fails
	modules: mark ref_module static
	modules: mark find_symbol static
	modules: mark each_symbol_section static
	modules: unexport __module_text_address
	modules: unexport __module_address
	modules: rename the licence field in struct symsearch to license
	modules: return licensing information from find_symbol
	modules: inherit TAINT_PROPRIETARY_MODULE
	Bluetooth: verify AMP hci_chan before amp_destroy
	hsr: use netdev_err() instead of WARN_ONCE()
	bluetooth: eliminate the potential race condition when removing the HCI controller
	net/nfc: fix use-after-free llcp_sock_bind/connect
	MIPS: pci-rt2880: fix slot 0 configuration
	FDDI: defxx: Bail out gracefully with unassigned PCI resource for CSR
	misc: lis3lv02d: Fix false-positive WARN on various HP models
	misc: vmw_vmci: explicitly initialize vmci_notify_bm_set_msg struct
	misc: vmw_vmci: explicitly initialize vmci_datagram payload
	tracing: Restructure trace_clock_global() to never block
	md-cluster: fix use-after-free issue when removing rdev
	md: split mddev_find
	md: factor out a mddev_find_locked helper from mddev_find
	md: md_open returns -EBUSY when entering racing area
	ipw2x00: potential buffer overflow in libipw_wx_set_encodeext()
	cfg80211: scan: drop entry from hidden_list on overflow
	drm/radeon: fix copy of uninitialized variable back to userspace
	ALSA: hda/realtek: Re-order ALC882 Acer quirk table entries
	ALSA: hda/realtek: Re-order ALC882 Sony quirk table entries
	ALSA: hda/realtek: Re-order ALC269 Sony quirk table entries
	ALSA: hda/realtek: Re-order ALC269 Lenovo quirk table entries
	ALSA: hda/realtek: Remove redundant entry for ALC861 Haier/Uniwill devices
	x86/cpu: Initialize MSR_TSC_AUX if RDTSCP *or* RDPID is supported
	KVM: s390: split kvm_s390_logical_to_effective
	KVM: s390: fix guarded storage control register handling
	KVM: s390: split kvm_s390_real_to_abs
	usb: gadget: pch_udc: Revert d3cb25a12138 completely
	memory: gpmc: fix out of bounds read and dereference on gpmc_cs[]
	ARM: dts: exynos: correct PMIC interrupt trigger level on Odroid X/U3 family
	ARM: dts: exynos: correct PMIC interrupt trigger level on SMDK5250
	ARM: dts: exynos: correct PMIC interrupt trigger level on Snow
	serial: stm32: fix incorrect characters on console
	serial: stm32: fix tx_empty condition
	usb: typec: tcpci: Check ROLE_CONTROL while interpreting CC_STATUS
	x86/microcode: Check for offline CPUs before requesting new microcode
	usb: gadget: pch_udc: Replace cpu_to_le32() by lower_32_bits()
	usb: gadget: pch_udc: Check if driver is present before calling ->setup()
	usb: gadget: pch_udc: Check for DMA mapping error
	crypto: qat - don't release uninitialized resources
	crypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init
	fotg210-udc: Fix DMA on EP0 for length > max packet size
	fotg210-udc: Fix EP0 IN requests bigger than two packets
	fotg210-udc: Remove a dubious condition leading to fotg210_done
	fotg210-udc: Mask GRP2 interrupts we don't handle
	fotg210-udc: Don't DMA more than the buffer can take
	fotg210-udc: Complete OUT requests on short packets
	mtd: require write permissions for locking and badblock ioctls
	bus: qcom: Put child node before return
	phy: marvell: ARMADA375_USBCLUSTER_PHY should not default to y, unconditionally
	crypto: qat - fix error path in adf_isr_resource_alloc()
	USB: gadget: udc: fix wrong pointer passed to IS_ERR() and PTR_ERR()
	mtd: rawnand: gpmi: Fix a double free in gpmi_nand_init
	staging: rtl8192u: Fix potential infinite loop
	staging: greybus: uart: fix unprivileged TIOCCSERIAL
	spi: Fix use-after-free with devm_spi_alloc_*
	soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
	soc: qcom: mdt_loader: Detect truncated read of segments
	ACPI: CPPC: Replace cppc_attr with kobj_attribute
	crypto: qat - Fix a double free in adf_create_ring
	usb: gadget: r8a66597: Add missing null check on return from platform_get_resource
	USB: cdc-acm: fix unprivileged TIOCCSERIAL
	tty: actually undefine superseded ASYNC flags
	tty: fix return value for unsupported ioctls
	firmware: qcom-scm: Fix QCOM_SCM configuration
	platform/x86: pmc_atom: Match all Beckhoff Automation baytrail boards with critclk_systems DMI table
	x86/platform/uv: Fix !KEXEC build failure
	Drivers: hv: vmbus: Increase wait time for VMbus unload
	ttyprintk: Add TTY hangup callback.
	media: vivid: fix assignment of dev->fbuf_out_flags
	media: omap4iss: return error code when omap4iss_get() failed
	media: m88rs6000t: avoid potential out-of-bounds reads on arrays
	x86/kprobes: Fix to check non boostable prefixes correctly
	pata_arasan_cf: fix IRQ check
	pata_ipx4xx_cf: fix IRQ check
	sata_mv: add IRQ checks
	ata: libahci_platform: fix IRQ check
	vfio/mdev: Do not allow a mdev_type to have a NULL parent pointer
	clk: uniphier: Fix potential infinite loop
	scsi: jazz_esp: Add IRQ check
	scsi: sun3x_esp: Add IRQ check
	scsi: sni_53c710: Add IRQ check
	mfd: stm32-timers: Avoid clearing auto reload register
	HSI: core: fix resource leaks in hsi_add_client_from_dt()
	x86/events/amd/iommu: Fix sysfs type mismatch
	HID: plantronics: Workaround for double volume key presses
	perf symbols: Fix dso__fprintf_symbols_by_name() to return the number of printed chars
	net: lapbether: Prevent racing when checking whether the netif is running
	powerpc/prom: Mark identical_pvr_fixup as __init
	powerpc: Fix HAVE_HARDLOCKUP_DETECTOR_ARCH build configuration
	ALSA: core: remove redundant spin_lock pair in snd_card_disconnect
	bug: Remove redundant condition check in report_bug
	nfc: pn533: prevent potential memory corruption
	ALSA: usb-audio: Add error checks for usb_driver_claim_interface() calls
	liquidio: Fix unintented sign extension of a left shift of a u16
	powerpc/perf: Fix PMU constraint check for EBB events
	powerpc: iommu: fix build when neither PCI or IBMVIO is set
	mac80211: bail out if cipher schemes are invalid
	mt7601u: fix always true expression
	IB/hfi1: Fix error return code in parse_platform_config()
	net: thunderx: Fix unintentional sign extension issue
	i2c: cadence: add IRQ check
	i2c: emev2: add IRQ check
	i2c: jz4780: add IRQ check
	i2c: sh7760: add IRQ check
	MIPS: pci-legacy: stop using of_pci_range_to_resource
	powerpc/pseries: extract host bridge from pci_bus prior to bus removal
	rtlwifi: 8821ae: upgrade PHY and RF parameters
	i2c: sh7760: fix IRQ error path
	mwl8k: Fix a double Free in mwl8k_probe_hw
	vsock/vmci: log once the failed queue pair allocation
	RDMA/i40iw: Fix error unwinding when i40iw_hmc_sd_one fails
	net: davinci_emac: Fix incorrect masking of tx and rx error channel
	ath9k: Fix error check in ath9k_hw_read_revisions() for PCI devices
	powerpc/52xx: Fix an invalid ASM expression ('addi' used instead of 'add')
	net:emac/emac-mac: Fix a use after free in emac_mac_tx_buf_send
	net:nfc:digital: Fix a double free in digital_tg_recv_dep_req
	kfifo: fix ternary sign extension bugs
	smp: Fix smp_call_function_single_async prototype
	Revert "net/sctp: fix race condition in sctp_destroy_sock"
	sctp: delay auto_asconf init until binding the first addr
	Revert "of/fdt: Make sure no-map does not remove already reserved regions"
	Revert "fdt: Properly handle "no-map" field in the memory region"
	tpm: fix error return code in tpm2_get_cc_attrs_tbl()
	fs: dlm: fix debugfs dump
	tipc: convert dest node's address to network order
	net: stmmac: Set FIFO sizes for ipq806x
	ALSA: hdsp: don't disable if not enabled
	ALSA: hdspm: don't disable if not enabled
	ALSA: rme9652: don't disable if not enabled
	Bluetooth: Set CONF_NOT_COMPLETE as l2cap_chan default
	Bluetooth: initialize skb_queue_head at l2cap_chan_create()
	Bluetooth: check for zapped sk before connecting
	ip6_vti: proper dev_{hold|put} in ndo_[un]init methods
	mac80211: clear the beacon's CRC after channel switch
	pinctrl: samsung: use 'int' for register masks in Exynos
	cuse: prevent clone
	selftests: Set CC to clang in lib.mk if LLVM is set
	kconfig: nconf: stop endless search loops
	sctp: Fix out-of-bounds warning in sctp_process_asconf_param()
	powerpc/smp: Set numa node before updating mask
	ASoC: rt286: Generalize support for ALC3263 codec
	samples/bpf: Fix broken tracex1 due to kprobe argument change
	powerpc/pseries: Stop calling printk in rtas_stop_self()
	wl3501_cs: Fix out-of-bounds warnings in wl3501_send_pkt
	wl3501_cs: Fix out-of-bounds warnings in wl3501_mgmt_join
	powerpc/iommu: Annotate nested lock for lockdep
	net: ethernet: mtk_eth_soc: fix RX VLAN offload
	ASoC: rt286: Make RT286_SET_GPIO_* readable and writable
	f2fs: fix a redundant call to f2fs_balance_fs if an error occurs
	PCI: Release OF node in pci_scan_device()'s error path
	ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook
	rpmsg: qcom_glink_native: fix error return code of qcom_glink_rx_data()
	NFSv4.2: Always flush out writes in nfs42_proc_fallocate()
	NFS: Deal correctly with attribute generation counter overflow
	pNFS/flexfiles: fix incorrect size check in decode_nfs_fh()
	NFSv4.2 fix handling of sr_eof in SEEK's reply
	rtc: ds1307: Fix wday settings for rx8130
	sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b
	drm/radeon: Fix off-by-one power_state index heap overwrite
	khugepaged: fix wrong result value for trace_mm_collapse_huge_page_isolate()
	mm/hugeltb: handle the error case in hugetlb_fix_reserve_counts()
	ksm: fix potential missing rmap_item for stable_node
	net: fix nla_strcmp to handle more then one trailing null character
	kernel: kexec_file: fix error return code of kexec_calculate_store_digests()
	netfilter: nftables: avoid overflows in nft_hash_buckets()
	ARC: entry: fix off-by-one error in syscall number validation
	powerpc/64s: Fix crashes when toggling stf barrier
	powerpc/64s: Fix crashes when toggling entry flush barrier
	squashfs: fix divide error in calculate_skip()
	userfaultfd: release page in error path to avoid BUG_ON
	drm/radeon/dpm: Disable sclk switching on Oland when two 4K 60Hz monitors are connected
	iio: proximity: pulsedlight: Fix rumtime PM imbalance on error
	usb: fotg210-hcd: Fix an error message
	ACPI: scan: Fix a memory leak in an error handling path
	blk-mq: Swap two calls in blk_mq_exit_queue()
	usb: dwc3: omap: improve extcon initialization
	usb: xhci: Increase timeout for HC halt
	usb: dwc2: Fix gadget DMA unmap direction
	usb: core: hub: fix race condition about TRSMRCY of resume
	iio: gyro: mpu3050: Fix reported temperature value
	iio: tsl2583: Fix division by a zero lux_val
	KVM: x86: Cancel pvclock_gtod_work on module removal
	FDDI: defxx: Make MMIO the configuration default except for EISA
	MIPS: Reinstate platform `__div64_32' handler
	MIPS: Avoid DIVU in `__div64_32' is result would be zero
	MIPS: Avoid handcoded DIVU in `__div64_32' altogether
	thermal/core/fair share: Lock the thermal zone while looping over instances
	RDMA/i40iw: Avoid panic when reading back the IRQ affinity hint
	kobject_uevent: remove warning in init_uevent_argv()
	netfilter: conntrack: Make global sysctls readonly in non-init netns
	clk: exynos7: Mark aclk_fsys1_200 as critical
	x86/msr: Fix wr/rdmsr_safe_regs_on_cpu() prototypes
	kgdb: fix gcc-11 warning on indentation
	usb: sl811-hcd: improve misleading indentation
	cxgb4: Fix the -Wmisleading-indentation warning
	isdn: capi: fix mismatched prototypes
	PCI: thunder: Fix compile testing
	ARM: 9066/1: ftrace: pause/unpause function graph tracer in cpu_suspend()
	ACPI / hotplug / PCI: Fix reference count leak in enable_slot()
	Input: elants_i2c - do not bind to i2c-hid compatible ACPI instantiated devices
	Input: silead - add workaround for x86 BIOS-es which bring the chip up in a stuck state
	um: Mark all kernel symbols as local
	ceph: fix fscache invalidation
	gpiolib: acpi: Add quirk to ignore EC wakeups on Dell Venue 10 Pro 5055
	ALSA: hda: generic: change the DAC ctl name for LO+SPK or LO+HP
	block: reexpand iov_iter after read/write
	lib: stackdepot: turn depot_lock spinlock to raw_spinlock
	serial: 8250: fix potential deadlock in rs485-mode
	sit: proper dev_{hold|put} in ndo_[un]init methods
	ip6_tunnel: sit: proper dev_{hold|put} in ndo_[un]init methods
	xhci: Do not use GFP_KERNEL in (potentially) atomic context
	ipv6: remove extra dev_hold() for fallback tunnels
	Linux 4.14.233

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I09e88e1e302d475f2a39bf88438dea30fa97c848
 2021-05-22 11:25:16 +02:00
Yonghong Song
841bba6537 selftests: Set CC to clang in lib.mk if LLVM is set 
[ Upstream commit 26e6dd1072763cd5696b75994c03982dde952ad9 ]

selftests/bpf/Makefile includes lib.mk. With the following command
  make -j60 LLVM=1 LLVM_IAS=1  <=== compile kernel
  make -j60 -C tools/testing/selftests/bpf LLVM=1 LLVM_IAS=1 V=1
some files are still compiled with gcc. This patch
fixed lib.mk issue which sets CC to gcc in all cases.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210413153413.3027426-1-yhs@fb.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-05-22 10:57:36 +02:00
Arnaldo Carvalho de Melo
427c1eea3d perf symbols: Fix dso__fprintf_symbols_by_name() to return the number of printed chars 
[ Upstream commit 210e4c89ef61432040c6cd828fefa441f4887186 ]

The 'ret' variable was initialized to zero but then it was not updated
from the fprintf() return, fix it.

Reported-by: Yang Li <yang.lee@linux.alibaba.com>
cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
cc: Ingo Molnar <mingo@redhat.com>
cc: Jiri Olsa <jolsa@redhat.com>
cc: Mark Rutland <mark.rutland@arm.com>
cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Fixes: 90f18e63fbd00513 ("perf symbols: List symbols in a dso in ascending name order")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-05-22 10:57:32 +02:00
Frank van der Linden
b7ef970827 bpf: fix up selftests after backports were fixed 
After the backport of the changes to fix CVE 2019-7308, the
selftests also need to be fixed up, as was done originally
in mainline 80c9b2fae87b ("bpf: add various test cases to selftests").

4.14 commit 03f11a51a19 ("bpf: Fix selftests are changes for CVE 2019-7308")
did that, but since there was an error in the backport, some
selftests did not change output. So, add them now that this error
has been fixed, and their output has actually changed as expected.

This adds the rest of the changed test outputs from 80c9b2fae87b.

Fixes: 03f11a51a19 ("bpf: Fix selftests are changes for CVE 2019-7308")
Signed-off-by: Frank van der Linden <fllinden@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-05-22 10:57:13 +02:00
Greg Kroah-Hartman
1e3baee452 This is the 4.14.232 stable release 
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Merge 4.14.232 into android-4.14-stable

Changes in 4.14.232
	net/sctp: fix race condition in sctp_destroy_sock
	Input: nspire-keypad - enable interrupts only when opened
	dmaengine: dw: Make it dependent to HAS_IOMEM
	ARM: dts: Fix moving mmc devices with aliases for omap4 & 5
	arc: kernel: Return -EFAULT if copy_to_user() fails
	neighbour: Disregard DEAD dst in neigh_update
	ARM: keystone: fix integer overflow warning
	ASoC: fsl_esai: Fix TDM slot setup for I2S mode
	scsi: scsi_transport_srp: Don't block target in SRP_PORT_LOST state
	net: ieee802154: stop dump llsec keys for monitors
	net: ieee802154: stop dump llsec devs for monitors
	net: ieee802154: forbid monitor for add llsec dev
	net: ieee802154: stop dump llsec devkeys for monitors
	net: ieee802154: forbid monitor for add llsec devkey
	net: ieee802154: stop dump llsec seclevels for monitors
	net: ieee802154: forbid monitor for add llsec seclevel
	pcnet32: Use pci_resource_len to validate PCI resource
	usbip: Fix incorrect double assignment to udc->ud.tcp_rx
	mac80211: clear sta->fast_rx when STA removed from 4-addr VLAN
	Input: i8042 - fix Pegatron C15B ID entry
	HID: wacom: set EV_KEY and EV_ABS only for non-HID_GENERIC type of devices
	readdir: make sure to verify directory entry for legacy interfaces too
	arm64: fix inline asm in load_unaligned_zeropad()
	arm64: alternatives: Move length validation in alternative_{insn, endif}
	scsi: libsas: Reset num_scatter if libata marks qc as NODATA
	netfilter: conntrack: do not print icmpv6 as unknown via /proc
	netfilter: nft_limit: avoid possible divide error in nft_limit_init
	net: davicom: Fix regulator not turned off on failed probe
	net: sit: Unregister catch-all devices
	i40e: fix the panic when running bpf in xdpdrv mode
	ibmvnic: avoid calling napi_disable() twice
	ibmvnic: remove duplicate napi_schedule call in do_reset function
	ibmvnic: remove duplicate napi_schedule call in open function
	ARM: footbridge: fix PCI interrupt mapping
	ARM: 9071/1: uprobes: Don't hook on thumb instructions
	gup: document and work around "COW can break either way" issue
	net: hso: fix null-ptr-deref during tty device unregistration
	ext4: correct error label in ext4_rename()
	pinctrl: lewisburg: Update number of pins in community
	HID: alps: fix error return code in alps_input_configured()
	HID: wacom: Assign boolean values to a bool variable
	ARM: dts: Fix swapped mmc order for omap3
	net: geneve: check skb is large enough for IPv4/IPv6 header
	s390/entry: save the caller of psw_idle
	xen-netback: Check for hotplug-status existence before watching
	cavium/liquidio: Fix duplicate argument
	ia64: fix discontig.c section mismatches
	ia64: tools: remove duplicate definition of ia64_mf() on ia64
	x86/crash: Fix crash_setup_memmap_entries() out-of-bounds access
	net: hso: fix NULL-deref on disconnect regression
	USB: CDC-ACM: fix poison/unpoison imbalance
	Linux 4.14.232

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie11d79ea0444d8f93707428d9f1c29e2d38643b2
 2021-04-28 13:44:48 +02:00
John Paul Adrian Glaubitz
65ade7697d ia64: tools: remove duplicate definition of ia64_mf() on ia64 
[ Upstream commit f4bf09dc3aaa4b07cd15630f2023f68cb2668809 ]

The ia64_mf() macro defined in tools/arch/ia64/include/asm/barrier.h is
already defined in <asm/gcc_intrin.h> on ia64 which causes libbpf
failing to build:

    CC       /usr/src/linux/tools/bpf/bpftool//libbpf/staticobjs/libbpf.o
  In file included from /usr/src/linux/tools/include/asm/barrier.h:24,
                   from /usr/src/linux/tools/include/linux/ring_buffer.h:4,
                   from libbpf.c:37:
  /usr/src/linux/tools/include/asm/../../arch/ia64/include/asm/barrier.h:43: error: "ia64_mf" redefined [-Werror]
     43 | #define ia64_mf()       asm volatile ("mf" ::: "memory")
        |
  In file included from /usr/include/ia64-linux-gnu/asm/intrinsics.h:20,
                   from /usr/include/ia64-linux-gnu/asm/swab.h:11,
                   from /usr/include/linux/swab.h:8,
                   from /usr/include/linux/byteorder/little_endian.h:13,
                   from /usr/include/ia64-linux-gnu/asm/byteorder.h:5,
                   from /usr/src/linux/tools/include/uapi/linux/perf_event.h:20,
                   from libbpf.c:36:
  /usr/include/ia64-linux-gnu/asm/gcc_intrin.h:382: note: this is the location of the previous definition
    382 | #define ia64_mf() __asm__ volatile ("mf" ::: "memory")
        |
  cc1: all warnings being treated as errors

Thus, remove the definition from tools/arch/ia64/include/asm/barrier.h.

Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-04-28 12:08:43 +02:00
Greg Kroah-Hartman
d45bd6ee16 This is the 4.14.231 stable release 
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Merge 4.14.231 into android-4.14-stable

Changes in 4.14.231
	ALSA: aloop: Fix initialization of controls
	ASoC: intel: atom: Stop advertising non working S24LE support
	nfc: fix refcount leak in llcp_sock_bind()
	nfc: fix refcount leak in llcp_sock_connect()
	nfc: fix memory leak in llcp_sock_connect()
	nfc: Avoid endless loops caused by repeated llcp_sock_connect()
	xen/evtchn: Change irq_info lock to raw_spinlock_t
	net: ipv6: check for validity before dereferencing cfg->fc_nlinfo.nlh
	ia64: fix user_stack_pointer() for ptrace()
	ocfs2: fix deadlock between setattr and dio_end_io_write
	fs: direct-io: fix missing sdio->boundary
	parisc: parisc-agp requires SBA IOMMU driver
	parisc: avoid a warning on u8 cast for cmpxchg on u8 pointers
	ARM: dts: turris-omnia: configure LED[2]/INTn pin as interrupt pin
	batman-adv: initialize "struct batadv_tvlv_tt_vlan_data"->reserved field
	net: ensure mac header is set in virtio_net_hdr_to_skb()
	net: sched: sch_teql: fix null-pointer dereference
	usbip: add sysfs_lock to synchronize sysfs code paths
	usbip: stub-dev synchronize sysfs code paths
	usbip: synchronize event handler with sysfs code paths
	i2c: turn recovery error on init to debug
	regulator: bd9571mwv: Fix AVS and DVFS voltage range
	ASoC: wm8960: Fix wrong bclk and lrclk with pll enabled for some chips
	amd-xgbe: Update DMA coherency values
	sch_red: fix off-by-one checks in red_check_params()
	gianfar: Handle error code at MAC address change
	net:tipc: Fix a double free in tipc_sk_mcast_rcv
	ARM: dts: imx6: pbab01: Set vmmc supply for both SD interfaces
	net/ncsi: Avoid channel_monitor hrtimer deadlock
	ASoC: sunxi: sun4i-codec: fill ASoC card owner
	soc/fsl: qbman: fix conflicting alignment attributes
	clk: fix invalid usage of list cursor in register
	clk: fix invalid usage of list cursor in unregister
	workqueue: Move the position of debug_work_activate() in __queue_work()
	s390/cpcmd: fix inline assembly register clobbering
	net/mlx5: Fix placement of log_max_flow_counter
	RDMA/cxgb4: check for ipv6 address properly while destroying listener
	clk: socfpga: fix iomem pointer cast on 64-bit
	net/ncsi: Make local function ncsi_get_filter() static
	net/ncsi: Improve general state logging
	net/ncsi: Don't return error on normal response
	net/ncsi: Add generic netlink family
	net/ncsi: Refactor MAC, VLAN filters
	net/ncsi: Avoid GFP_KERNEL in response handler
	usbip: fix vudc usbip_sockfd_store races leading to gpf
	cfg80211: remove WARN_ON() in cfg80211_sme_connect
	net: tun: set tun->dev->addr_len during TUNSETLINK processing
	drivers: net: fix memory leak in atusb_probe
	drivers: net: fix memory leak in peak_usb_create_dev
	net: mac802154: Fix general protection fault
	net: ieee802154: nl-mac: fix check on panid
	net: ieee802154: fix nl802154 del llsec key
	net: ieee802154: fix nl802154 del llsec dev
	net: ieee802154: fix nl802154 add llsec key
	net: ieee802154: fix nl802154 del llsec devkey
	net: ieee802154: forbid monitor for set llsec params
	net: ieee802154: forbid monitor for del llsec seclevel
	net: ieee802154: stop dump llsec params for monitors
	Revert "cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath."
	KVM: arm64: Hide system instruction access to Trace registers
	KVM: arm64: Disable guest access to trace filter controls
	drm/imx: imx-ldb: fix out of bounds array access warning
	gfs2: report "already frozen/thawed" errors
	block: only update parent bi_status when bio fail
	net: phy: broadcom: Only advertise EEE for supported modes
	netfilter: x_tables: fix compat match/target pad out-of-bound write
	perf map: Tighten snprintf() string precision to pass gcc check on some 32-bit arches
	xen/events: fix setting irq affinity
	Linux 4.14.231

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I5000f92ba1b384d06e2be0faafdf345854765b54
 2021-04-16 12:09:05 +02:00
Arnaldo Carvalho de Melo
125571123c perf map: Tighten snprintf() string precision to pass gcc check on some 32-bit arches 
commit 77d02bd00cea9f1a87afe58113fa75b983d6c23a upstream.

Noticed on a debian:experimental mips and mipsel cross build build
environment:

  perfbuilder@ec265a086e9b:~$ mips-linux-gnu-gcc --version | head -1
  mips-linux-gnu-gcc (Debian 10.2.1-3) 10.2.1 20201224
  perfbuilder@ec265a086e9b:~$

    CC       /tmp/build/perf/util/map.o
  util/map.c: In function 'map__new':
  util/map.c:109:5: error: '%s' directive output may be truncated writing between 1 and 2147483645 bytes into a region of size 4096 [-Werror=format-truncation=]
    109 |    "%s/platforms/%s/arch-%s/usr/lib/%s",
        |     ^~
  In file included from /usr/mips-linux-gnu/include/stdio.h:867,
                   from util/symbol.h:11,
                   from util/map.c:2:
  /usr/mips-linux-gnu/include/bits/stdio2.h:67:10: note: '__builtin___snprintf_chk' output 32 or more bytes (assuming 4294967321) into a destination of size 4096
     67 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
        |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     68 |        __bos (__s), __fmt, __va_arg_pack ());
        |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  cc1: all warnings being treated as errors

Since we have the lenghts for what lands in that place, use it to give
the compiler more info and make it happy.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-04-16 11:57:53 +02:00
Greg Kroah-Hartman
ecf9881ea3 This is the 4.14.228 stable release 
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Merge 4.14.228 into android-4.14-stable

Changes in 4.14.228
	net: fec: ptp: avoid register access when ipg clock is disabled
	powerpc/4xx: Fix build errors from mfdcr()
	atm: eni: dont release is never initialized
	atm: lanai: dont run lanai_dev_close if not open
	Revert "r8152: adjust the settings about MAC clock speed down for RTL8153"
	ixgbe: Fix memleak in ixgbe_configure_clsu32
	net: tehuti: fix error return code in bdx_probe()
	sun/niu: fix wrong RXMAC_BC_FRM_CNT_COUNT count
	gpiolib: acpi: Add missing IRQF_ONESHOT
	nfs: fix PNFS_FLEXFILE_LAYOUT Kconfig default
	NFS: Correct size calculation for create reply length
	net: hisilicon: hns: fix error return code of hns_nic_clear_all_rx_fetch()
	net: wan: fix error return code of uhdlc_init()
	atm: uPD98402: fix incorrect allocation
	atm: idt77252: fix null-ptr-dereference
	sparc64: Fix opcode filtering in handling of no fault loads
	u64_stats,lockdep: Fix u64_stats_init() vs lockdep
	drm/radeon: fix AGP dependency
	nfs: we don't support removing system.nfs4_acl
	ia64: fix ia64_syscall_get_set_arguments() for break-based syscalls
	ia64: fix ptrace(PTRACE_SYSCALL_INFO_EXIT) sign
	squashfs: fix inode lookup sanity checks
	squashfs: fix xattr id and id lookup sanity checks
	arm64: dts: ls1046a: mark crypto engine dma coherent
	arm64: dts: ls1012a: mark crypto engine dma coherent
	arm64: dts: ls1043a: mark crypto engine dma coherent
	ARM: dts: at91-sama5d27_som1: fix phy address to 7
	dm ioctl: fix out of bounds array access when no devices
	bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD
	libbpf: Fix INSTALL flag order
	macvlan: macvlan_count_rx() needs to be aware of preemption
	net: dsa: bcm_sf2: Qualify phydev->dev_flags based on port
	e1000e: add rtnl_lock() to e1000_reset_task
	e1000e: Fix error handling in e1000_set_d0_lplu_state_82571
	net/qlcnic: Fix a use after free in qlcnic_83xx_get_minidump_template
	ftgmac100: Restart MAC HW once
	can: peak_usb: add forgotten supported devices
	can: c_can_pci: c_can_pci_remove(): fix use-after-free
	can: c_can: move runtime PM enable/disable to c_can_platform
	can: m_can: m_can_do_rx_poll(): fix extraneous msg loss warning
	mac80211: fix rate mask reset
	net: cdc-phonet: fix data-interface release on probe failure
	net: stmmac: dwmac-sun8i: Provide TX and RX fifo sizes
	drm/msm: fix shutdown hook in case GPU components failed to bind
	arm64: kdump: update ppos when reading elfcorehdr
	net/mlx5e: Fix error path for ethtool set-priv-flag
	RDMA/cxgb4: Fix adapter LE hash errors while destroying ipv6 listening server
	ACPI: scan: Rearrange memory allocation in acpi_device_add()
	ACPI: scan: Use unique number for instance_no
	perf auxtrace: Fix auxtrace queue conflict
	scsi: qedi: Fix error return code of qedi_alloc_global_queues()
	scsi: mpt3sas: Fix error return code of mpt3sas_base_attach()
	locking/mutex: Fix non debug version of mutex_lock_io_nested()
	can: dev: Move device back to init netns on owning netns delete
	net: sched: validate stab values
	net: qrtr: fix a kernel-infoleak in qrtr_recvmsg()
	mac80211: fix double free in ibss_leave
	ext4: add reclaim checks to xattr code
	can: peak_usb: Revert "can: peak_usb: add forgotten supported devices"
	xen-blkback: don't leak persistent grants from xen_blkbk_map()
	Linux 4.14.228

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I269d7975a72f3d7d0b548aeb64415868d70120f6
 2021-03-30 17:05:07 +02:00
Adrian Hunter
be4153fe56 perf auxtrace: Fix auxtrace queue conflict 
[ Upstream commit b410ed2a8572d41c68bd9208555610e4b07d0703 ]

The only requirement of an auxtrace queue is that the buffers are in
time order.  That is achieved by making separate queues for separate
perf buffer or AUX area buffer mmaps.

That generally means a separate queue per cpu for per-cpu contexts, and
a separate queue per thread for per-task contexts.

When buffers are added to a queue, perf checks that the buffer cpu and
thread id (tid) match the queue cpu and thread id.

However, generally, that need not be true, and perf will queue buffers
correctly anyway, so the check is not needed.

In addition, the check gets erroneously hit when using sample mode to
trace multiple threads.

Consequently, fix that case by removing the check.

Fixes: e502789302a6 ("perf auxtrace: Add helpers for queuing AUX area tracing data")
Reported-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20210308151143.18338-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-03-30 14:40:12 +02:00
Georgi Valkov
dbc5d18db3 libbpf: Fix INSTALL flag order 
[ Upstream commit e7fb6465d4c8e767e39cbee72464e0060ab3d20c ]

It was reported ([0]) that having optional -m flag between source and
destination arguments in install command breaks bpftools cross-build
on MacOS. Move -m to the front to fix this issue.

  [0] https://github.com/openwrt/openwrt/pull/3959

Fixes: 7110d80d53f4 ("libbpf: Makefile set specified permission mode")
Signed-off-by: Georgi Valkov <gvalkov@abv.bg>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210308183038.613432-1-andrii@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-03-30 14:40:10 +02:00
Greg Kroah-Hartman
c6c06d09a5 This is the 4.14.227 stable release 
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Merge 4.14.227 into android-4.14-stable

Changes in 4.14.227
	ext4: handle error of ext4_setup_system_zone() on remount
	ext4: don't allow overlapping system zones
	ext4: check journal inode extents more carefully
	bpf: Fix off-by-one for area size in creating mask to left
	bpf: Simplify alu_limit masking for pointer arithmetic
	bpf: Add sanity check for upper ptr_limit
	net: dsa: b53: Support setting learning on port
	bpf: Prohibit alu ops for pointer types not defining ptr_limit
	Revert "PM: runtime: Update device status before letting suppliers suspend"
	perf tools: Use %define api.pure full instead of %pure-parser
	tools build feature: Check if get_current_dir_name() is available
	tools build feature: Check if eventfd() is available
	tools build: Check if gettid() is available before providing helper
	perf: Make perf able to build with latest libbfd
	tools build feature: Check if pthread_barrier_t is available
	btrfs: fix race when cloning extent buffer during rewind of an old root
	nvmet: don't check iosqes,iocqes for discovery controllers
	NFSD: Repair misuse of sv_lock in 5.10.16-rt30.
	svcrdma: disable timeouts on rdma backchannel
	sunrpc: fix refcount leak for rpc auth modules
	net/qrtr: fix __netdev_alloc_skb call
	scsi: lpfc: Fix some error codes in debugfs
	nvme-rdma: fix possible hang when failing to set io queues
	usb-storage: Add quirk to defeat Kindle's automatic unload
	USB: replace hardcode maximum usb string length by definition
	usb: gadget: configfs: Fix KASAN use-after-free
	iio:adc:stm32-adc: Add HAS_IOMEM dependency
	iio:adc:qcom-spmi-vadc: add default scale to LR_MUX2_BAT_ID channel
	iio: adis16400: Fix an error code in adis16400_initial_setup()
	iio: gyro: mpu3050: Fix error handling in mpu3050_trigger_handler
	iio: hid-sensor-humidity: Fix alignment issue of timestamp channel
	iio: hid-sensor-prox: Fix scale not correct issue
	iio: hid-sensor-temperature: Fix issues of timestamp channel
	PCI: rpadlpar: Fix potential drc_name corruption in store functions
	perf/x86/intel: Fix a crash caused by zero PEBS status
	x86/ioapic: Ignore IRQ2 again
	kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data()
	x86: Move TS_COMPAT back to asm/thread_info.h
	x86: Introduce TS_COMPAT_RESTART to fix get_nr_restart_syscall()
	ext4: find old entry again if failed to rename whiteout
	ext4: do not try to set xattr into ea_inode if value is empty
	ext4: fix potential error in ext4_do_update_inode
	genirq: Disable interrupts for force threaded handlers
	Linux 4.14.227

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Iadc3cdbdb9012457893c4448e32caee7706adb1c
 2021-03-24 11:39:32 +01:00
Arnaldo Carvalho de Melo
bb12566305 tools build feature: Check if pthread_barrier_t is available 
commit 25ab5abf5b141d7fd13eed506c7458aa04749c29 upstream.

As 'perf bench futex wake-parallel" will use this, which is not
available in older systems such as versions of the android NDK used in
my container build tests (r12b and r15c at the moment).

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: James Yang <james.yang@arm.com
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-1i7iv54in4wj08lwo55b0pzv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-03-24 11:05:00 +01:00
Changbin Du
635a002105 perf: Make perf able to build with latest libbfd 
commit 0ada120c883d4f1f6aafd01cf0fbb10d8bbba015 upstream.

libbfd has changed the bfd_section_* macros to inline functions
bfd_section_<field> since 2019-09-18. See below two commits:
  o http://www.sourceware.org/ml/gdb-cvs/2019-09/msg00064.html
  o https://www.sourceware.org/ml/gdb-cvs/2019-09/msg00072.html

This fix make perf able to build with both old and new libbfd.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20200128152938.31413-1-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-03-24 11:05:00 +01:00
Arnaldo Carvalho de Melo
aa8a33764b tools build: Check if gettid() is available before providing helper 
commit 4541a8bb13a86e504416a13360c8dc64d2fd612a upstream.

Laura reported that the perf build failed in fedora when we got a glibc
that provides gettid(), which I reproduced using fedora rawhide with the
glibc-devel-2.29.9000-26.fc31.x86_64 package.

Add a feature check to avoid providing a gettid() helper in such
systems.

On a fedora rawhide system with this patch applied we now get:

  [root@7a5f55352234 perf]# grep gettid /tmp/build/perf/FEATURE-DUMP
  feature-gettid=1
  [root@7a5f55352234 perf]# cat /tmp/build/perf/feature/test-gettid.make.output
  [root@7a5f55352234 perf]# ldd /tmp/build/perf/feature/test-gettid.bin
          linux-vdso.so.1 (0x00007ffc6b1f6000)
          libc.so.6 => /lib64/libc.so.6 (0x00007f04e0a74000)
          /lib64/ld-linux-x86-64.so.2 (0x00007f04e0c47000)
  [root@7a5f55352234 perf]# nm /tmp/build/perf/feature/test-gettid.bin | grep -w gettid
                   U gettid@@GLIBC_2.30
  [root@7a5f55352234 perf]#

While on a fedora:29 system:

  [acme@quaco perf]$ grep gettid /tmp/build/perf/FEATURE-DUMP
  feature-gettid=0
  [acme@quaco perf]$ cat /tmp/build/perf/feature/test-gettid.make.output
  test-gettid.c: In function ‘main’:
  test-gettid.c:8:9: error: implicit declaration of function ‘gettid’; did you mean ‘getgid’? [-Werror=implicit-function-declaration]
    return gettid();
           ^~~~~~
           getgid
  cc1: all warnings being treated as errors
  [acme@quaco perf]$

Reported-by: Laura Abbott <labbott@redhat.com>
Tested-by: Laura Abbott <labbott@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lkml.kernel.org/n/tip-yfy3ch53agmklwu9o7rlgf9c@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-03-24 11:04:59 +01:00
Arnaldo Carvalho de Melo
45c4df37e6 tools build feature: Check if eventfd() is available 
commit 11c6cbe706f218a8dc7e1f962f12b3a52ddd33a9 upstream.

A new 'perf bench epoll' will use this, and to disable it for older
systems, add a feature test for this API.

This is just a simple program that if successfully compiled, means that
the feature is present, at least at the library level, in a build that
sets the output directory to /tmp/build/perf (using O=/tmp/build/perf),
we end up with:

  $ ls -la /tmp/build/perf/feature/test-eventfd*
  -rwxrwxr-x. 1 acme acme 8176 Nov 21 15:58 /tmp/build/perf/feature/test-eventfd.bin
  -rw-rw-r--. 1 acme acme  588 Nov 21 15:58 /tmp/build/perf/feature/test-eventfd.d
  -rw-rw-r--. 1 acme acme    0 Nov 21 15:58 /tmp/build/perf/feature/test-eventfd.make.output
  $ ldd /tmp/build/perf/feature/test-eventfd.bin
	  linux-vdso.so.1 (0x00007fff3bf3f000)
	  libc.so.6 => /lib64/libc.so.6 (0x00007fa984061000)
	  /lib64/ld-linux-x86-64.so.2 (0x00007fa984417000)
  $ grep eventfd -A 2 -B 2 /tmp/build/perf/FEATURE-DUMP
  feature-dwarf=1
  feature-dwarf_getlocations=1
  feature-eventfd=1
  feature-fortify-source=1
  feature-sync-compare-and-swap=1
  $

The main thing here is that in the end we'll have -DHAVE_EVENTFD in
CFLAGS, and then the 'perf bench' entry needing that API can be
selectively pruned.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-wkeldwob7dpx6jvtuzl8164k@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2021-03-24 11:04:59 +01:00