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Author SHA1 Message Date
Greg Kroah-Hartman
fce78edbb4 This is the 4.14.322 stable release 
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Merge 4.14.322 into android-4.14-stable

Changes in 4.14.322
	gfs2: Don't deref jdesc in evict
	x86/microcode/AMD: Load late on both threads too
	x86/smp: Use dedicated cache-line for mwait_play_dead()
	fbdev: imsttfb: Fix use after free bug in imsttfb_probe
	drm/edid: Fix uninitialized variable in drm_cvt_modes()
	scripts/tags.sh: Resolve gtags empty index generation
	drm/amdgpu: Validate VM ioctl flags.
	treewide: Remove uninitialized_var() usage
	md/raid10: fix overflow of md/safe_mode_delay
	md/raid10: fix wrong setting of max_corr_read_errors
	md/raid10: fix io loss while replacement replace rdev
	PM: domains: fix integer overflow issues in genpd_parse_state()
	evm: Complete description of evm_inode_setattr()
	wifi: ath9k: fix AR9003 mac hardware hang check register offset calculation
	wifi: ath9k: avoid referencing uninit memory in ath9k_wmi_ctrl_rx
	wifi: orinoco: Fix an error handling path in spectrum_cs_probe()
	wifi: orinoco: Fix an error handling path in orinoco_cs_probe()
	wifi: atmel: Fix an error handling path in atmel_probe()
	wifi: wl3501_cs: Fix an error handling path in wl3501_probe()
	wifi: ray_cs: Fix an error handling path in ray_probe()
	wifi: ath9k: don't allow to overwrite ENDPOINT0 attributes
	watchdog/perf: define dummy watchdog_update_hrtimer_threshold() on correct config
	watchdog/perf: more properly prevent false positives with turbo modes
	kexec: fix a memory leak in crash_shrink_memory()
	memstick r592: make memstick_debug_get_tpc_name() static
	wifi: ath9k: Fix possible stall on ath9k_txq_list_has_key()
	wifi: ath9k: convert msecs to jiffies where needed
	netlink: fix potential deadlock in netlink_set_err()
	netlink: do not hard code device address lenth in fdb dumps
	gtp: Fix use-after-free in __gtp_encap_destroy().
	lib/ts_bm: reset initial match offset for every block of text
	netfilter: nf_conntrack_sip: fix the ct_sip_parse_numerical_param() return value.
	netlink: Add __sock_i_ino() for __netlink_diag_dump().
	radeon: avoid double free in ci_dpm_init()
	Input: drv260x - sleep between polling GO bit
	ARM: dts: BCM5301X: Drop "clock-names" from the SPI node
	Input: adxl34x - do not hardcode interrupt trigger type
	drm/panel: simple: fix active size for Ampire AM-480272H3TMQW-T01H
	ARM: ep93xx: fix missing-prototype warnings
	ASoC: es8316: Increment max value for ALC Capture Target Volume control
	soc/fsl/qe: fix usb.c build errors
	fbdev: omapfb: lcd_mipid: Fix an error handling path in mipid_spi_probe()
	drm/radeon: fix possible division-by-zero errors
	ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer
	scsi: 3w-xxxx: Add error handling for initialization failure in tw_probe()
	PCI: Add pci_clear_master() stub for non-CONFIG_PCI
	pinctrl: cherryview: Return correct value if pin in push-pull mode
	perf dwarf-aux: Fix off-by-one in die_get_varname()
	pinctrl: at91-pio4: check return value of devm_kasprintf()
	crypto: nx - fix build warnings when DEBUG_FS is not enabled
	modpost: fix section mismatch message for R_ARM_ABS32
	modpost: fix section mismatch message for R_ARM_{PC24,CALL,JUMP24}
	modpost: fix off by one in is_executable_section()
	USB: serial: option: add LARA-R6 01B PIDs
	block: change all __u32 annotations to __be32 in affs_hardblocks.h
	w1: fix loop in w1_fini()
	sh: j2: Use ioremap() to translate device tree address into kernel memory
	media: usb: Check az6007_read() return value
	media: videodev2.h: Fix struct v4l2_input tuner index comment
	media: usb: siano: Fix warning due to null work_func_t function pointer
	extcon: Fix kernel doc of property fields to avoid warnings
	extcon: Fix kernel doc of property capability fields to avoid warnings
	usb: phy: phy-tahvo: fix memory leak in tahvo_usb_probe()
	mfd: rt5033: Drop rt5033-battery sub-device
	mfd: intel-lpss: Add missing check for platform_get_resource
	mfd: stmpe: Only disable the regulators if they are enabled
	rtc: st-lpc: Release some resources in st_rtc_probe() in case of error
	sctp: fix potential deadlock on &net->sctp.addr_wq_lock
	Add MODULE_FIRMWARE() for FIRMWARE_TG357766.
	spi: bcm-qspi: return error if neither hif_mspi nor mspi is available
	mailbox: ti-msgmgr: Fill non-message tx data fields with 0x0
	powerpc: allow PPC_EARLY_DEBUG_CPM only when SERIAL_CPM=y
	net: bridge: keep ports without IFF_UNICAST_FLT in BR_PROMISC mode
	tcp: annotate data races in __tcp_oow_rate_limited()
	net/sched: act_pedit: Add size check for TCA_PEDIT_PARMS_EX
	sh: dma: Fix DMA channel offset calculation
	NFSD: add encoding of op_recall flag for write delegation
	mmc: core: disable TRIM on Kingston EMMC04G-M627
	mmc: core: disable TRIM on Micron MTFC4GACAJCN-1M
	integrity: Fix possible multiple allocation in integrity_inode_get()
	jffs2: reduce stack usage in jffs2_build_xattr_subsystem()
	btrfs: fix race when deleting quota root from the dirty cow roots list
	ARM: orion5x: fix d2net gpio initialization
	spi: spi-fsl-spi: remove always-true conditional in fsl_spi_do_one_msg
	spi: spi-fsl-spi: relax message sanity checking a little
	spi: spi-fsl-spi: allow changing bits_per_word while CS is still active
	netfilter: nf_tables: incorrect error path handling with NFT_MSG_NEWRULE
	netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
	netfilter: nf_tables: unbind non-anonymous set if rule construction fails
	netfilter: conntrack: Avoid nf_ct_helper_hash uses after free
	netfilter: nf_tables: prevent OOB access in nft_byteorder_eval
	workqueue: clean up WORK_* constant types, clarify masking
	net: mvneta: fix txq_map in case of txq_number==1
	udp6: fix udp6_ehashfn() typo
	ntb: idt: Fix error handling in idt_pci_driver_init()
	NTB: amd: Fix error handling in amd_ntb_pci_driver_init()
	ntb: intel: Fix error handling in intel_ntb_pci_driver_init()
	NTB: ntb_transport: fix possible memory leak while device_register() fails
	ipv6/addrconf: fix a potential refcount underflow for idev
	wifi: airo: avoid uninitialized warning in airo_get_rate()
	net/sched: make psched_mtu() RTNL-less safe
	tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation
	SUNRPC: Fix UAF in svc_tcp_listen_data_ready()
	perf intel-pt: Fix CYC timestamps after standalone CBR
	ext4: fix wrong unit use in ext4_mb_clear_bb
	ext4: only update i_reserved_data_blocks on successful block allocation
	jfs: jfs_dmap: Validate db_l2nbperpage while mounting
	PCI: Add function 1 DMA alias quirk for Marvell 88SE9235
	misc: pci_endpoint_test: Re-init completion for every test
	md/raid0: add discard support for the 'original' layout
	fs: dlm: return positive pid value for F_GETLK
	hwrng: imx-rngc - fix the timeout for init and self check
	meson saradc: fix clock divider mask length
	Revert "8250: add support for ASIX devices with a FIFO bug"
	tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() in case of error
	tty: serial: samsung_tty: Fix a memory leak in s3c24xx_serial_getclk() when iterating clk
	ring-buffer: Fix deadloop issue on reading trace_pipe
	xtensa: ISS: fix call to split_if_spec
	scsi: qla2xxx: Wait for io return on terminate rport
	scsi: qla2xxx: Fix potential NULL pointer dereference
	scsi: qla2xxx: Check valid rport returned by fc_bsg_to_rport()
	scsi: qla2xxx: Pointer may be dereferenced
	serial: atmel: don't enable IRQs prematurely
	perf probe: Add test for regression introduced by switch to die_get_decl_file()
	fuse: revalidate: don't invalidate if interrupted
	can: bcm: Fix UAF in bcm_proc_show()
	ext4: correct inline offset when handling xattrs in inode body
	debugobjects: Recheck debug_objects_enabled before reporting
	nbd: Add the maximum limit of allocated index in nbd_dev_add
	md: fix data corruption for raid456 when reshape restart while grow up
	md/raid10: prevent soft lockup while flush writes
	posix-timers: Ensure timer ID search-loop limit is valid
	sched/fair: Don't balance task to its current running CPU
	bpf: Address KCSAN report on bpf_lru_list
	wifi: wext-core: Fix -Wstringop-overflow warning in ioctl_standard_iw_point()
	igb: Fix igb_down hung on surprise removal
	spi: bcm63xx: fix max prepend length
	fbdev: imxfb: warn about invalid left/right margin
	pinctrl: amd: Use amd_pinconf_set() for all config options
	net: ethernet: ti: cpsw_ale: Fix cpsw_ale_get_field()/cpsw_ale_set_field()
	fbdev: au1200fb: Fix missing IRQ check in au1200fb_drv_probe
	llc: Don't drop packet from non-root netns.
	netfilter: nf_tables: fix spurious set element insertion failure
	tcp: annotate data-races around rskq_defer_accept
	tcp: annotate data-races around tp->notsent_lowat
	tcp: annotate data-races around fastopenq.max_qlen
	gpio: tps68470: Make tps68470_gpio_output() always set the initial value
	i40e: Fix an NULL vs IS_ERR() bug for debugfs_create_dir()
	ethernet: atheros: fix return value check in atl1e_tso_csum()
	ipv6 addrconf: fix bug where deleting a mngtmpaddr can create a new temporary address
	tcp: Reduce chance of collisions in inet6_hashfn().
	bonding: reset bond's flags when down link is P2P device
	team: reset team's flags when down link is P2P device
	platform/x86: msi-laptop: Fix rfkill out-of-sync on MSI Wind U100
	benet: fix return value check in be_lancer_xmit_workarounds()
	ASoC: fsl_spdif: Silence output on stop
	block: Fix a source code comment in include/uapi/linux/blkzoned.h
	dm raid: fix missing reconfig_mutex unlock in raid_ctr() error paths
	ata: pata_ns87415: mark ns87560_tf_read static
	ring-buffer: Fix wrong stat of cpu_buffer->read
	tracing: Fix warning in trace_buffered_event_disable()
	USB: serial: option: support Quectel EM060K_128
	USB: serial: option: add Quectel EC200A module support
	USB: serial: simple: add Kaufmann RKS+CAN VCP
	USB: serial: simple: sort driver entries
	can: gs_usb: gs_can_close(): add missing set of CAN state to CAN_STATE_STOPPED
	usb: ohci-at91: Fix the unhandle interrupt when resume
	usb: xhci-mtk: set the dma max_seg_size
	Documentation: security-bugs.rst: update preferences when dealing with the linux-distros group
	staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext()
	hwmon: (nct7802) Fix for temp6 (PECI1) processed even if PECI1 disabled
	tpm_tis: Explicitly check for error code
	irq-bcm6345-l1: Do not assume a fixed block to cpu mapping
	s390/dasd: fix hanging device after quiesce/resume
	ASoC: wm8904: Fill the cache for WM8904_ADC_TEST_0 register
	dm cache policy smq: ensure IO doesn't prevent cleaner policy progress
	drm/client: Fix memory leak in drm_client_target_cloned
	net/sched: cls_fw: Fix improper refcount update leads to use-after-free
	net/sched: sch_qfq: account for stab overhead in qfq_enqueue
	net/sched: cls_u32: Fix reference counter leak leading to overflow
	perf: Fix function pointer case
	word-at-a-time: use the same return type for has_zero regardless of endianness
	net/mlx5e: fix return value check in mlx5e_ipsec_remove_trailer()
	perf test uprobe_from_different_cu: Skip if there is no gcc
	net: add missing data-race annotations around sk->sk_peek_off
	net: add missing data-race annotation for sk_ll_usec
	net/sched: cls_u32: No longer copy tcf_result on update to avoid use-after-free
	net/sched: cls_route: No longer copy tcf_result on update to avoid use-after-free
	ip6mr: Fix skb_under_panic in ip6mr_cache_report()
	tcp_metrics: fix addr_same() helper
	tcp_metrics: annotate data-races around tm->tcpm_stamp
	tcp_metrics: annotate data-races around tm->tcpm_lock
	tcp_metrics: annotate data-races around tm->tcpm_vals[]
	tcp_metrics: annotate data-races around tm->tcpm_net
	tcp_metrics: fix data-race in tcpm_suck_dst() vs fastopen
	loop: Select I/O scheduler 'none' from inside add_disk()
	libceph: fix potential hang in ceph_osdc_notify()
	USB: zaurus: Add ID for A-300/B-500/C-700
	fs/sysv: Null check to prevent null-ptr-deref bug
	Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_ready_cb
	net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb
	ext2: Drop fragment support
	test_firmware: fix a memory leak with reqs buffer
	mtd: rawnand: omap_elm: Fix incorrect type in assignment
	drm/edid: fix objtool warning in drm_cvt_modes()
	Linux 4.14.322

Change-Id: Ia25c00bd23a112b634b83577ec7d54569e8b7c70
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
 2023-08-23 14:54:21 +00:00
Kees Cook
d68627697d treewide: Remove uninitialized_var() usage 
commit 3f649ab728cda8038259d8f14492fe400fbab911 upstream.

Using uninitialized_var() is dangerous as it papers over real bugs[1]
(or can in the future), and suppresses unrelated compiler warnings
(e.g. "unused variable"). If the compiler thinks it is uninitialized,
either simply initialize the variable or make compiler changes.

In preparation for removing[2] the[3] macro[4], remove all remaining
needless uses with the following script:

git grep '\buninitialized_var\b' | cut -d: -f1 | sort -u | \
	xargs perl -pi -e \
		's/\buninitialized_var\(([^\)]+)\)/\1/g;
		 s:\s*/\* (GCC be quiet|to make compiler happy) \*/$::g;'

drivers/video/fbdev/riva/riva_hw.c was manually tweaked to avoid
pathological white-space.

No outstanding warnings were found building allmodconfig with GCC 9.3.0
for x86_64, i386, arm64, arm, powerpc, powerpc64le, s390x, mips, sparc64,
alpha, and m68k.

[1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/
[2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/
[3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/
[4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/

Reviewed-by: Leon Romanovsky <leonro@mellanox.com> # drivers/infiniband and mlx4/mlx5
Acked-by: Jason Gunthorpe <jgg@mellanox.com> # IB
Acked-by: Kalle Valo <kvalo@codeaurora.org> # wireless drivers
Reviewed-by: Chao Yu <yuchao0@huawei.com> # erofs
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-08-11 11:33:32 +02:00
Greg Kroah-Hartman
fae4e1d295 This is the 4.14.175 stable release 
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Merge 4.14.175 into android-4.14

Changes in 4.14.175
	spi: qup: call spi_qup_pm_resume_runtime before suspending
	powerpc: Include .BTF section
	ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes
	spi: pxa2xx: Add CS control clock quirk
	spi/zynqmp: remove entry that causes a cs glitch
	drm/exynos: dsi: propagate error value and silence meaningless warning
	drm/exynos: dsi: fix workaround for the legacy clock name
	drivers/perf: arm_pmu_acpi: Fix incorrect checking of gicc pointer
	altera-stapl: altera_get_note: prevent write beyond end of 'key'
	dm bio record: save/restore bi_end_io and bi_integrity
	xenbus: req->body should be updated before req->state
	xenbus: req->err should be updated before req->state
	block, bfq: fix overwrite of bfq_group pointer in bfq_find_set_group()
	parse-maintainers: Mark as executable
	USB: Disable LPM on WD19's Realtek Hub
	usb: quirks: add NO_LPM quirk for RTL8153 based ethernet adapters
	USB: serial: option: add ME910G1 ECM composition 0x110b
	usb: host: xhci-plat: add a shutdown
	USB: serial: pl2303: add device-id for HP LD381
	usb: xhci: apply XHCI_SUSPEND_DELAY to AMD XHCI controller 1022:145c
	ALSA: line6: Fix endless MIDI read loop
	ALSA: seq: virmidi: Fix running status after receiving sysex
	ALSA: seq: oss: Fix running status after receiving sysex
	ALSA: pcm: oss: Avoid plugin buffer overflow
	ALSA: pcm: oss: Remove WARNING from snd_pcm_plug_alloc() checks
	iio: trigger: stm32-timer: disable master mode when stopping
	iio: magnetometer: ak8974: Fix negative raw values in sysfs
	mmc: sdhci-of-at91: fix cd-gpios for SAMA5D2
	staging: rtl8188eu: Add device id for MERCUSYS MW150US v2
	staging/speakup: fix get_word non-space look-ahead
	intel_th: Fix user-visible error codes
	intel_th: pci: Add Elkhart Lake CPU support
	rtc: max8907: add missing select REGMAP_IRQ
	xhci: Do not open code __print_symbolic() in xhci trace events
	memcg: fix NULL pointer dereference in __mem_cgroup_usage_unregister_event
	mm: slub: be more careful about the double cmpxchg of freelist
	mm, slub: prevent kmalloc_node crashes and memory leaks
	page-flags: fix a crash at SetPageError(THP_SWAP)
	x86/mm: split vmalloc_sync_all()
	USB: cdc-acm: fix close_delay and closing_wait units in TIOCSSERIAL
	USB: cdc-acm: fix rounding error in TIOCSSERIAL
	iio: adc: at91-sama5d2_adc: fix channel configuration for differential channels
	iio: adc: at91-sama5d2_adc: fix differential channels in triggered mode
	kbuild: Disable -Wpointer-to-enum-cast
	futex: Fix inode life-time issue
	futex: Unbreak futex hashing
	Revert "vrf: mark skb for multicast or link-local as enslaved to VRF"
	Revert "ipv6: Fix handling of LLA with VRF and sockets bound to VRF"
	ALSA: hda/realtek: Fix pop noise on ALC225
	arm64: smp: fix smp_send_stop() behaviour
	arm64: smp: fix crash_smp_send_stop() behaviour
	drm/bridge: dw-hdmi: fix AVI frame colorimetry
	staging: greybus: loopback_test: fix potential path truncation
	staging: greybus: loopback_test: fix potential path truncations
	Revert "drm/dp_mst: Skip validating ports during destruction, just ref"
	hsr: fix general protection fault in hsr_addr_is_self()
	macsec: restrict to ethernet devices
	net: dsa: Fix duplicate frames flooded by learning
	net: mvneta: Fix the case where the last poll did not process all rx
	net/packet: tpacket_rcv: avoid a producer race condition
	net: qmi_wwan: add support for ASKEY WWHC050
	net_sched: cls_route: remove the right filter from hashtable
	net_sched: keep alloc_hash updated after hash allocation
	net: stmmac: dwmac-rk: fix error path in rk_gmac_probe
	NFC: fdp: Fix a signedness bug in fdp_nci_send_patch()
	slcan: not call free_netdev before rtnl_unlock in slcan_open
	bnxt_en: fix memory leaks in bnxt_dcbnl_ieee_getets()
	net: dsa: mt7530: Change the LINK bit to reflect the link status
	vxlan: check return value of gro_cells_init()
	hsr: use rcu_read_lock() in hsr_get_node_{list/status}()
	hsr: add restart routine into hsr_get_node_list()
	hsr: set .netnsok flag
	net: ipv4: don't let PMTU updates increase route MTU
	cgroup-v1: cgroup_pidlist_next should update position index
	cpupower: avoid multiple definition with gcc -fno-common
	drivers/of/of_mdio.c:fix of_mdiobus_register()
	cgroup1: don't call release_agent when it is ""
	dt-bindings: net: FMan erratum A050385
	arm64: dts: ls1043a: FMan erratum A050385
	fsl/fman: detect FMan erratum A050385
	scsi: ipr: Fix softlockup when rescanning devices in petitboot
	mac80211: Do not send mesh HWMP PREQ if HWMP is disabled
	dpaa_eth: Remove unnecessary boolean expression in dpaa_get_headroom
	sxgbe: Fix off by one in samsung driver strncpy size arg
	arm64: ptrace: map SPSR_ELx<->PSR for compat tasks
	arm64: compat: map SPSR_ELx<->PSR for signals
	ftrace/x86: Anotate text_mutex split between ftrace_arch_code_modify_post_process() and ftrace_arch_code_modify_prepare()
	i2c: hix5hd2: add missed clk_disable_unprepare in remove
	Input: synaptics - enable RMI on HP Envy 13-ad105ng
	Input: avoid BIT() macro usage in the serio.h UAPI header
	ARM: dts: dra7: Add bus_dma_limit for L3 bus
	ARM: dts: omap5: Add bus_dma_limit for L3 bus
	perf probe: Do not depend on dwfl_module_addrsym()
	tools: Let O= makes handle a relative path with -C option
	scripts/dtc: Remove redundant YYLOC global declaration
	scsi: sd: Fix optimal I/O size for devices that change reported values
	mac80211: mark station unauthorized before key removal
	gpiolib: acpi: Correct comment for HP x2 10 honor_wakeup quirk
	gpiolib: acpi: Rework honor_wakeup option into an ignore_wake option
	gpiolib: acpi: Add quirk to ignore EC wakeups on HP x2 10 BYT + AXP288 model
	RDMA/core: Ensure security pkey modify is not lost
	genirq: Fix reference leaks on irq affinity notifiers
	xfrm: handle NETDEV_UNREGISTER for xfrm device
	vti[6]: fix packet tx through bpf_redirect() in XinY cases
	RDMA/mlx5: Block delay drop to unprivileged users
	xfrm: fix uctx len check in verify_sec_ctx_len
	xfrm: add the missing verify_sec_ctx_len check in xfrm_add_acquire
	xfrm: policy: Fix doulbe free in xfrm_policy_timer
	netfilter: nft_fwd_netdev: validate family and chain type
	vti6: Fix memory leak of skb if input policy check fails
	Input: raydium_i2c_ts - use true and false for boolean values
	Input: raydium_i2c_ts - fix error codes in raydium_i2c_boot_trigger()
	afs: Fix some tracing details
	USB: serial: option: add support for ASKEY WWHC050
	USB: serial: option: add BroadMobi BM806U
	USB: serial: option: add Wistron Neweb D19Q1
	USB: cdc-acm: restore capability check order
	USB: serial: io_edgeport: fix slab-out-of-bounds read in edge_interrupt_callback
	usb: musb: fix crash with highmen PIO and usbmon
	media: flexcop-usb: fix endpoint sanity check
	media: usbtv: fix control-message timeouts
	staging: rtl8188eu: Add ASUS USB-N10 Nano B1 to device table
	staging: wlan-ng: fix ODEBUG bug in prism2sta_disconnect_usb
	staging: wlan-ng: fix use-after-free Read in hfa384x_usbin_callback
	libfs: fix infoleak in simple_attr_read()
	media: ov519: add missing endpoint sanity checks
	media: dib0700: fix rc endpoint lookup
	media: stv06xx: add missing descriptor sanity checks
	media: xirlink_cit: add missing descriptor sanity checks
	mac80211: Check port authorization in the ieee80211_tx_dequeue() case
	mac80211: fix authentication with iwlwifi/mvm
	vt: selection, introduce vc_is_sel
	vt: ioctl, switch VT_IS_IN_USE and VT_BUSY to inlines
	vt: switch vt_dont_switch to bool
	vt: vt_ioctl: remove unnecessary console allocation checks
	vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
	vt: vt_ioctl: fix use-after-free in vt_in_use()
	platform/x86: pmc_atom: Add Lex 2I385SW to critclk_systems DMI table
	bpf: Explicitly memset the bpf_attr structure
	bpf: Explicitly memset some bpf info structures declared on the stack
	gpiolib: acpi: Add quirk to ignore EC wakeups on HP x2 10 CHT + AXP288 model
	net: ks8851-ml: Fix IO operations, again
	arm64: alternative: fix build with clang integrated assembler
	perf map: Fix off by one in strncpy() size argument
	ARM: dts: oxnas: Fix clear-mask property
	ARM: bcm2835-rpi-zero-w: Add missing pinctrl name
	arm64: dts: ls1043a-rdb: correct RGMII delay mode to rgmii-id
	arm64: dts: ls1046ardb: set RGMII interfaces to RGMII_ID mode
	Linux 4.14.175

Change-Id: If2c2cb5b3745ed6fbc5cb77737cfb1758fea4cb9
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
 2020-04-03 08:18:27 +02:00
David Howells
7225ad0898 afs: Fix some tracing details 
[ Upstream commit 4636cf184d6d9a92a56c2554681ea520dd4fe49a ]

Fix a couple of tracelines to indicate the usage count after the atomic op,
not the usage count before it to be consistent with other afs and rxrpc
trace lines.

Change the wording of the afs_call_trace_work trace ID label from "WORK" to
"QUEUE" to reflect the fact that it's queueing work, not doing work.

Fixes: 341f741f04be ("afs: Refcount the afs_call struct")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2020-04-02 16:34:33 +02:00
Greg Kroah-Hartman
509b38045c This is the 4.14.168 stable release 
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Merge 4.14.168 into android-4.14

Changes in 4.14.168
	xfs: Sanity check flags of Q_XQUOTARM call
	mfd: intel-lpss: Add default I2C device properties for Gemini Lake
	powerpc/archrandom: fix arch_get_random_seed_int()
	tipc: fix wrong timeout input for tipc_wait_for_cond()
	mt7601u: fix bbp version check in mt7601u_wait_bbp_ready
	crypto: sun4i-ss - fix big endian issues
	drm/sti: do not remove the drm_bridge that was never added
	drm/virtio: fix bounds check in virtio_gpu_cmd_get_capset()
	ALSA: hda: fix unused variable warning
	apparmor: don't try to replace stale label in ptrace access check
	PCI: iproc: Remove PAXC slot check to allow VF support
	drm/hisilicon: hibmc: Don't overwrite fb helper surface depth
	IB/rxe: replace kvfree with vfree
	IB/hfi1: Add mtu check for operational data VLs
	ALSA: usb-audio: update quirk for B&W PX to remove microphone
	staging: comedi: ni_mio_common: protect register write overflow
	pwm: lpss: Release runtime-pm reference from the driver's remove callback
	drm/sun4i: hdmi: Fix double flag assignation
	mlxsw: reg: QEEC: Add minimum shaper fields
	NTB: ntb_hw_idt: replace IS_ERR_OR_NULL with regular NULL checks
	pcrypt: use format specifier in kobject_add
	exportfs: fix 'passing zero to ERR_PTR()' warning
	drm/dp_mst: Skip validating ports during destruction, just ref
	net: phy: Fix not to call phy_resume() if PHY is not attached
	IB/rxe: Fix incorrect cache cleanup in error flow
	staging: bcm2835-camera: Abort probe if there is no camera
	switchtec: Remove immediate status check after submitting MRPC command
	pinctrl: sh-pfc: r8a7740: Add missing REF125CK pin to gether_gmii group
	pinctrl: sh-pfc: r8a7740: Add missing LCD0 marks to lcd0_data24_1 group
	pinctrl: sh-pfc: r8a7791: Remove bogus ctrl marks from qspi_data4_b group
	pinctrl: sh-pfc: r8a7791: Remove bogus marks from vin1_b_data18 group
	pinctrl: sh-pfc: sh73a0: Add missing TO pin to tpu4_to3 group
	pinctrl: sh-pfc: r8a7794: Remove bogus IPSR9 field
	pinctrl: sh-pfc: sh7734: Add missing IPSR11 field
	pinctrl: sh-pfc: r8a77995: Remove bogus SEL_PWM[0-3]_3 configurations
	pinctrl: sh-pfc: sh7269: Add missing PCIOR0 field
	pinctrl: sh-pfc: sh7734: Remove bogus IPSR10 value
	vxlan: changelink: Fix handling of default remotes
	Input: nomadik-ske-keypad - fix a loop timeout test
	clk: highbank: fix refcount leak in hb_clk_init()
	clk: qoriq: fix refcount leak in clockgen_init()
	clk: socfpga: fix refcount leak
	clk: samsung: exynos4: fix refcount leak in exynos4_get_xom()
	clk: imx6q: fix refcount leak in imx6q_clocks_init()
	clk: imx6sx: fix refcount leak in imx6sx_clocks_init()
	clk: imx7d: fix refcount leak in imx7d_clocks_init()
	clk: vf610: fix refcount leak in vf610_clocks_init()
	clk: armada-370: fix refcount leak in a370_clk_init()
	clk: kirkwood: fix refcount leak in kirkwood_clk_init()
	clk: armada-xp: fix refcount leak in axp_clk_init()
	clk: mv98dx3236: fix refcount leak in mv98dx3236_clk_init()
	clk: dove: fix refcount leak in dove_clk_init()
	MIPS: BCM63XX: drop unused and broken DSP platform device
	IB/usnic: Fix out of bounds index check in query pkey
	RDMA/ocrdma: Fix out of bounds index check in query pkey
	RDMA/qedr: Fix out of bounds index check in query pkey
	drm/shmob: Fix return value check in shmob_drm_probe
	arm64: dts: apq8016-sbc: Increase load on l11 for SDCARD
	spi: cadence: Correct initialisation of runtime PM
	RDMA/iw_cxgb4: Fix the unchecked ep dereference
	drm/etnaviv: NULL vs IS_ERR() buf in etnaviv_core_dump()
	media: s5p-jpeg: Correct step and max values for V4L2_CID_JPEG_RESTART_INTERVAL
	kbuild: mark prepare0 as PHONY to fix external module build
	crypto: brcm - Fix some set-but-not-used warning
	crypto: tgr192 - fix unaligned memory access
	ASoC: imx-sgtl5000: put of nodes if finding codec fails
	IB/iser: Pass the correct number of entries for dma mapped SGL
	rtc: cmos: ignore bogus century byte
	spi/topcliff_pch: Fix potential NULL dereference on allocation error
	clk: sunxi-ng: sun8i-a23: Enable PLL-MIPI LDOs when ungating it
	iwlwifi: mvm: avoid possible access out of array.
	net/mlx5: Take lock with IRQs disabled to avoid deadlock
	iwlwifi: mvm: fix A-MPDU reference assignment
	tty: ipwireless: Fix potential NULL pointer dereference
	driver: uio: fix possible memory leak in __uio_register_device
	driver: uio: fix possible use-after-free in __uio_register_device
	crypto: crypto4xx - Fix wrong ppc4xx_trng_probe()/ppc4xx_trng_remove() arguments
	driver core: Do not resume suppliers under device_links_write_lock()
	ARM: dts: lpc32xx: add required clocks property to keypad device node
	ARM: dts: lpc32xx: reparent keypad controller to SIC1
	ARM: dts: lpc32xx: fix ARM PrimeCell LCD controller variant
	ARM: dts: lpc32xx: fix ARM PrimeCell LCD controller clocks property
	ARM: dts: lpc32xx: phy3250: fix SD card regulator voltage
	iwlwifi: mvm: fix RSS config command
	staging: most: cdev: add missing check for cdev_add failure
	rtc: ds1672: fix unintended sign extension
	thermal: mediatek: fix register index error
	net: phy: fixed_phy: Fix fixed_phy not checking GPIO
	rtc: ds1307: rx8130: Fix alarm handling
	rtc: 88pm860x: fix unintended sign extension
	rtc: 88pm80x: fix unintended sign extension
	rtc: pm8xxx: fix unintended sign extension
	fbdev: chipsfb: remove set but not used variable 'size'
	iw_cxgb4: use tos when importing the endpoint
	iw_cxgb4: use tos when finding ipv6 routes
	drm/etnaviv: potential NULL dereference
	pinctrl: sh-pfc: emev2: Add missing pinmux functions
	pinctrl: sh-pfc: r8a7791: Fix scifb2_data_c pin group
	pinctrl: sh-pfc: r8a7792: Fix vin1_data18_b pin group
	pinctrl: sh-pfc: sh73a0: Fix fsic_spdif pin groups
	PCI: endpoint: functions: Use memcpy_fromio()/memcpy_toio()
	usb: phy: twl6030-usb: fix possible use-after-free on remove
	block: don't use bio->bi_vcnt to figure out segment number
	keys: Timestamp new keys
	vfio_pci: Enable memory accesses before calling pci_map_rom
	hwmon: (pmbus/tps53679) Fix driver info initialization in probe routine
	KVM: PPC: Release all hardware TCE tables attached to a group
	staging: r8822be: check kzalloc return or bail
	dmaengine: mv_xor: Use correct device for DMA API
	cdc-wdm: pass return value of recover_from_urb_loss
	regulator: pv88060: Fix array out-of-bounds access
	regulator: pv88080: Fix array out-of-bounds access
	regulator: pv88090: Fix array out-of-bounds access
	net: dsa: qca8k: Enable delay for RGMII_ID mode
	drm/nouveau/bios/ramcfg: fix missing parentheses when calculating RON
	drm/nouveau/pmu: don't print reply values if exec is false
	ASoC: qcom: Fix of-node refcount unbalance in apq8016_sbc_parse_of()
	fs/nfs: Fix nfs_parse_devname to not modify it's argument
	staging: rtlwifi: Use proper enum for return in halmac_parse_psd_data_88xx
	powerpc/64s: Fix logic when handling unknown CPU features
	NFS: Fix a soft lockup in the delegation recovery code
	clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable
	clocksource/drivers/exynos_mct: Fix error path in timer resources initialization
	platform/x86: wmi: fix potential null pointer dereference
	NFS/pnfs: Bulk destroy of layouts needs to be safe w.r.t. umount
	mmc: sdhci-brcmstb: handle mmc_of_parse() errors during probe
	ARM: 8847/1: pm: fix HYP/SVC mode mismatch when MCPM is used
	ARM: 8848/1: virt: Align GIC version check with arm64 counterpart
	regulator: wm831x-dcdc: Fix list of wm831x_dcdc_ilim from mA to uA
	netfilter: nft_set_hash: fix lookups with fixed size hash on big endian
	NFSv4/flexfiles: Fix invalid deref in FF_LAYOUT_DEVID_NODE()
	net: aquantia: fixed instack structure overflow
	powerpc/mm: Check secondary hash page table
	nios2: ksyms: Add missing symbol exports
	x86/mm: Remove unused variable 'cpu'
	scsi: megaraid_sas: reduce module load time
	drivers/rapidio/rio_cm.c: fix potential oops in riocm_ch_listen()
	xen, cpu_hotplug: Prevent an out of bounds access
	net: sh_eth: fix a missing check of of_get_phy_mode
	regulator: lp87565: Fix missing register for LP87565_BUCK_0
	media: ivtv: update *pos correctly in ivtv_read_pos()
	media: cx18: update *pos correctly in cx18_read_pos()
	media: wl128x: Fix an error code in fm_download_firmware()
	media: cx23885: check allocation return
	regulator: tps65086: Fix tps65086_ldoa1_ranges for selector 0xB
	jfs: fix bogus variable self-initialization
	tipc: tipc clang warning
	m68k: mac: Fix VIA timer counter accesses
	arm64: dts: allwinner: a64: Add missing PIO clocks
	ARM: OMAP2+: Fix potentially uninitialized return value for _setup_reset()
	media: davinci-isif: avoid uninitialized variable use
	media: tw5864: Fix possible NULL pointer dereference in tw5864_handle_frame
	spi: tegra114: clear packed bit for unpacked mode
	spi: tegra114: fix for unpacked mode transfers
	spi: tegra114: terminate dma and reset on transfer timeout
	spi: tegra114: flush fifos
	spi: tegra114: configure dma burst size to fifo trig level
	soc/fsl/qe: Fix an error code in qe_pin_request()
	spi: bcm2835aux: fix driver to not allow 65535 (=-1) cs-gpios
	ehea: Fix a copy-paste err in ehea_init_port_res
	scsi: qla2xxx: Unregister chrdev if module initialization fails
	scsi: target/core: Fix a race condition in the LUN lookup code
	ARM: pxa: ssp: Fix "WARNING: invalid free of devm_ allocated data"
	net: hns3: fix for vport->bw_limit overflow problem
	hwmon: (w83627hf) Use request_muxed_region for Super-IO accesses
	platform/x86: alienware-wmi: fix kfree on potentially uninitialized pointer
	tipc: set sysctl_tipc_rmem and named_timeout right range
	selftests/ipc: Fix msgque compiler warnings
	powerpc: vdso: Make vdso32 installation conditional in vdso_install
	ARM: dts: ls1021: Fix SGMII PCS link remaining down after PHY disconnect
	media: ov2659: fix unbalanced mutex_lock/unlock
	6lowpan: Off by one handling ->nexthdr
	dmaengine: axi-dmac: Don't check the number of frames for alignment
	ALSA: usb-audio: Handle the error from snd_usb_mixer_apply_create_quirk()
	NFS: Don't interrupt file writeout due to fatal errors
	irqchip/gic-v3-its: fix some definitions of inner cacheability attributes
	scsi: qla2xxx: Fix a format specifier
	scsi: qla2xxx: Avoid that qlt_send_resp_ctio() corrupts memory
	packet: in recvmsg msg_name return at least sizeof sockaddr_ll
	ASoC: fix valid stream condition
	usb: gadget: fsl: fix link error against usb-gadget module
	dwc2: gadget: Fix completed transfer size calculation in DDMA
	IB/mlx5: Add missing XRC options to QP optional params mask
	iommu/vt-d: Make kernel parameter igfx_off work with vIOMMU
	net: ena: fix swapped parameters when calling ena_com_indirect_table_fill_entry
	net: ena: fix: Free napi resources when ena_up() fails
	net: ena: fix incorrect test of supported hash function
	net: ena: fix ena_com_fill_hash_function() implementation
	dmaengine: tegra210-adma: restore channel status
	mmc: core: fix possible use after free of host
	lightnvm: pblk: fix lock order in pblk_rb_tear_down_check
	afs: Fix the afs.cell and afs.volume xattr handlers
	vfio/mdev: Avoid release parent reference during error path
	vfio/mdev: Fix aborting mdev child device removal if one fails
	l2tp: Fix possible NULL pointer dereference
	media: omap_vout: potential buffer overflow in vidioc_dqbuf()
	media: davinci/vpbe: array underflow in vpbe_enum_outputs()
	platform/x86: alienware-wmi: printing the wrong error code
	crypto: caam - fix caam_dump_sg that iterates through scatterlist
	netfilter: ebtables: CONFIG_COMPAT: reject trailing data after last rule
	pwm: meson: Consider 128 a valid pre-divider
	pwm: meson: Don't disable PWM when setting duty repeatedly
	ARM: riscpc: fix lack of keyboard interrupts after irq conversion
	kdb: do a sanity check on the cpu in kdb_per_cpu()
	backlight: lm3630a: Return 0 on success in update_status functions
	thermal: cpu_cooling: Actually trace CPU load in thermal_power_cpu_get_power
	EDAC/mc: Fix edac_mc_find() in case no device is found
	ARM: dts: sun8i-h3: Fix wifi in Beelink X2 DT
	dmaengine: tegra210-adma: Fix crash during probe
	arm64: dts: meson: libretech-cc: set eMMC as removable
	RDMA/qedr: Fix incorrect device rate.
	spi: spi-fsl-spi: call spi_finalize_current_message() at the end
	crypto: ccp - fix AES CFB error exposed by new test vectors
	crypto: ccp - Fix 3DES complaint from ccp-crypto module
	serial: stm32: fix rx error handling
	serial: stm32: fix transmit_chars when tx is stopped
	serial: stm32: Add support of TC bit status check
	serial: stm32: fix wakeup source initialization
	misc: sgi-xp: Properly initialize buf in xpc_get_rsvd_page_pa
	iommu: Use right function to get group for device
	signal/cifs: Fix cifs_put_tcp_session to call send_sig instead of force_sig
	inet: frags: call inet_frags_fini() after unregister_pernet_subsys()
	netvsc: unshare skb in VF rx handler
	cpufreq: brcmstb-avs-cpufreq: Fix initial command check
	cpufreq: brcmstb-avs-cpufreq: Fix types for voltage/frequency
	media: vivid: fix incorrect assignment operation when setting video mode
	mpls: fix warning with multi-label encap
	iommu/vt-d: Duplicate iommu_resv_region objects per device list
	qed: iWARP - Use READ_ONCE and smp_store_release to access ep->state
	powerpc/cacheinfo: add cacheinfo_teardown, cacheinfo_rebuild
	powerpc/pseries/mobility: rebuild cacheinfo hierarchy post-migration
	drm/msm/mdp5: Fix mdp5_cfg_init error return
	net: netem: fix backlog accounting for corrupted GSO frames
	net/af_iucv: always register net_device notifier
	ASoC: ti: davinci-mcasp: Fix slot mask settings when using multiple AXRs
	rtc: pcf8563: Fix interrupt trigger method
	rtc: pcf8563: Clear event flags and disable interrupts before requesting irq
	drm/msm/a3xx: remove TPL1 regs from snapshot
	perf/ioctl: Add check for the sample_period value
	dmaengine: hsu: Revert "set HSU_CH_MTSR to memory width"
	clk: qcom: Fix -Wunused-const-variable
	nvmem: imx-ocotp: Ensure WAIT bits are preserved when setting timing
	bnxt_en: Fix ethtool selftest crash under error conditions.
	iommu/amd: Make iommu_disable safer
	mfd: intel-lpss: Release IDA resources
	rxrpc: Fix uninitialized error code in rxrpc_send_data_packet()
	devres: allow const resource arguments
	RDMA/hns: Fixs hw access invalid dma memory error
	net: pasemi: fix an use-after-free in pasemi_mac_phy_init()
	scsi: libfc: fix null pointer dereference on a null lport
	clk: sunxi-ng: v3s: add the missing PLL_DDR1
	PM: sleep: Fix possible overflow in pm_system_cancel_wakeup()
	libertas_tf: Use correct channel range in lbtf_geo_init
	qed: reduce maximum stack frame size
	usb: host: xhci-hub: fix extra endianness conversion
	mic: avoid statically declaring a 'struct device'.
	x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI
	crypto: ccp - Reduce maximum stack usage
	ALSA: aoa: onyx: always initialize register read value
	tipc: reduce risk of wakeup queue starvation
	ARM: dts: stm32: add missing vdda-supply to adc on stm32h743i-eval
	net/mlx5: Fix mlx5_ifc_query_lag_out_bits
	cifs: fix rmmod regression in cifs.ko caused by force_sig changes
	crypto: caam - free resources in case caam_rng registration failed
	ext4: set error return correctly when ext4_htree_store_dirent fails
	ASoC: es8328: Fix copy-paste error in es8328_right_line_controls
	ASoC: cs4349: Use PM ops 'cs4349_runtime_pm'
	ASoC: wm8737: Fix copy-paste error in wm8737_snd_controls
	net/rds: Add a few missing rds_stat_names entries
	bnxt_en: Fix handling FRAG_ERR when NVM_INSTALL_UPDATE cmd fails
	signal: Allow cifs and drbd to receive their terminating signals
	ASoC: sun4i-i2s: RX and TX counter registers are swapped
	dmaengine: dw: platform: Switch to acpi_dma_controller_register()
	mac80211: minstrel_ht: fix per-group max throughput rate initialization
	media: atmel: atmel-isi: fix timeout value for stop streaming
	rtc: pcf2127: bugfix: read rtc disables watchdog
	mips: avoid explicit UB in assignment of mips_io_port_base
	iommu/mediatek: Fix iova_to_phys PA start for 4GB mode
	ahci: Do not export local variable ahci_em_messages
	Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"
	hwmon: (lm75) Fix write operations for negative temperatures
	power: supply: Init device wakeup after device_add()
	x86, perf: Fix the dependency of the x86 insn decoder selftest
	staging: greybus: light: fix a couple double frees
	irqdomain: Add the missing assignment of domain->fwnode for named fwnode
	bcma: fix incorrect update of BCMA_CORE_PCI_MDIO_DATA
	iio: dac: ad5380: fix incorrect assignment to val
	ath9k: dynack: fix possible deadlock in ath_dynack_node_{de}init
	tty: serial: fsl_lpuart: Use appropriate lpuart32_* I/O funcs
	net: sonic: return NETDEV_TX_OK if failed to map buffer
	scsi: fnic: fix msix interrupt allocation
	Btrfs: fix hang when loading existing inode cache off disk
	Btrfs: fix inode cache waiters hanging on failure to start caching thread
	Btrfs: fix inode cache waiters hanging on path allocation failure
	btrfs: use correct count in btrfs_file_write_iter()
	ixgbe: sync the first fragment unconditionally
	hwmon: (shtc1) fix shtc1 and shtw1 id mask
	net: sonic: replace dev_kfree_skb in sonic_send_packet
	pinctrl: iproc-gpio: Fix incorrect pinconf configurations
	ath10k: adjust skb length in ath10k_sdio_mbox_rx_packet
	RDMA/cma: Fix false error message
	net/rds: Fix 'ib_evt_handler_call' element in 'rds_ib_stat_names'
	iommu/amd: Wait for completion of IOTLB flush in attach_device
	net: aquantia: Fix aq_vec_isr_legacy() return value
	net: hisilicon: Fix signedness bug in hix5hd2_dev_probe()
	net: broadcom/bcmsysport: Fix signedness in bcm_sysport_probe()
	net: stmmac: dwmac-meson8b: Fix signedness bug in probe
	net: axienet: fix a signedness bug in probe
	of: mdio: Fix a signedness bug in of_phy_get_and_connect()
	net: ethernet: stmmac: Fix signedness bug in ipq806x_gmac_of_parse()
	nvme: retain split access workaround for capability reads
	net: stmmac: gmac4+: Not all Unicast addresses may be available
	mac80211: accept deauth frames in IBSS mode
	llc: fix another potential sk_buff leak in llc_ui_sendmsg()
	llc: fix sk_buff refcounting in llc_conn_state_process()
	net: stmmac: fix length of PTP clock's name string
	act_mirred: Fix mirred_init_module error handling
	net: avoid possible false sharing in sk_leave_memory_pressure()
	net: add {READ|WRITE}_ONCE() annotations on ->rskq_accept_head
	tcp: annotate lockless access to tcp_memory_pressure
	drm/msm/dsi: Implement reset correctly
	dmaengine: imx-sdma: fix size check for sdma script_number
	net: netem: fix error path for corrupted GSO frames
	net: netem: correct the parent's backlog when corrupted packet was dropped
	net: qca_spi: Move reset_count to struct qcaspi
	afs: Fix large file support
	MIPS: Loongson: Fix return value of loongson_hwmon_init
	hv_netvsc: flag software created hash value
	net: neigh: use long type to store jiffies delta
	packet: fix data-race in fanout_flow_is_huge()
	mmc: sdio: fix wl1251 vendor id
	mmc: core: fix wl1251 sdio quirks
	affs: fix a memory leak in affs_remount
	dmaengine: ti: edma: fix missed failure handling
	drm/radeon: fix bad DMA from INTERRUPT_CNTL2
	arm64: dts: juno: Fix UART frequency
	IB/iser: Fix dma_nents type definition
	serial: stm32: fix clearing interrupt error flags
	m68k: Call timer_interrupt() with interrupts disabled
	Linux 4.14.168

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I3eeaa348e8e99998356d27c99d06dcb38e48e7d5
 2020-01-27 15:30:05 +01:00
Marc Dionne
495d767ec7 afs: Fix large file support 
[ Upstream commit b485275f1aca8a9da37fd35e4fad673935e827da ]

By default s_maxbytes is set to MAX_NON_LFS, which limits the usable
file size to 2GB, enforced by the vfs.

Commit b9b1f8d5930a ("AFS: write support fixes") added support for the
64-bit fetch and store server operations, but did not change this value.
As a result, attempts to write past the 2G mark result in EFBIG errors:

 $ dd if=/dev/zero of=foo bs=1M count=1 seek=2048
 dd: error writing 'foo': File too large

Set s_maxbytes to MAX_LFS_FILESIZE.

Fixes: b9b1f8d5930a ("AFS: write support fixes")
Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2020-01-27 14:46:51 +01:00
David Howells
ae04bb451d afs: Fix the afs.cell and afs.volume xattr handlers 
[ Upstream commit c73aa4102f5b9f261a907c3b3df94cd2c478504d ]

Fix the ->get handlers for the afs.cell and afs.volume xattrs to pass the
source data size to memcpy() rather than target buffer size.

Overcopying the source data occasionally causes the kernel to oops.

Fixes: d3e3b7eac886 ("afs: Add metadata xattrs")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2020-01-27 14:46:33 +01:00
Greg Kroah-Hartman
a6d6913801 This is the 4.14.54 stable release 
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Merge 4.14.54 into android-4.14

Changes in 4.14.54
	usb: cdc_acm: Add quirk for Uniden UBC125 scanner
	USB: serial: cp210x: add CESINEL device ids
	USB: serial: cp210x: add Silicon Labs IDs for Windows Update
	usb: dwc2: fix the incorrect bitmaps for the ports of multi_tt hub
	acpi: Add helper for deactivating memory region
	usb: typec: ucsi: acpi: Workaround for cache mode issue
	usb: typec: ucsi: Fix for incorrect status data issue
	xhci: Fix kernel oops in trace_xhci_free_virt_device
	n_tty: Fix stall at n_tty_receive_char_special().
	n_tty: Access echo_* variables carefully.
	staging: android: ion: Return an ERR_PTR in ion_map_kernel
	serial: 8250_pci: Remove stalled entries in blacklist
	serdev: fix memleak on module unload
	vt: prevent leaking uninitialized data to userspace via /dev/vcs*
	drm/amdgpu: Add APU support in vi_set_uvd_clocks
	drm/amdgpu: Add APU support in vi_set_vce_clocks
	drm/amdgpu: fix the missed vcn fw version report
	drm/qxl: Call qxl_bo_unref outside atomic context
	drm/atmel-hlcdc: check stride values in the first plane
	drm/amdgpu: Use kvmalloc_array for allocating VRAM manager nodes array
	drm/amdgpu: Refactor amdgpu_vram_mgr_bo_invisible_size helper
	drm/i915: Enable provoking vertex fix on Gen9 systems.
	netfilter: nf_tables: nft_compat: fix refcount leak on xt module
	netfilter: nft_compat: prepare for indirect info storage
	netfilter: nft_compat: fix handling of large matchinfo size
	netfilter: nf_tables: don't assume chain stats are set when jumplabel is set
	netfilter: nf_tables: bogus EBUSY in chain deletions
	netfilter: nft_meta: fix wrong value dereference in nft_meta_set_eval
	netfilter: nf_tables: disable preemption in nft_update_chain_stats()
	netfilter: nf_tables: increase nft_counters_enabled in nft_chain_stats_replace()
	netfilter: nf_tables: fix memory leak on error exit return
	netfilter: nf_tables: add missing netlink attrs to policies
	netfilter: nf_tables: fix NULL-ptr in nf_tables_dump_obj()
	md: always hold reconfig_mutex when calling mddev_suspend()
	md: don't call bitmap_create() while array is quiesced.
	md: move suspend_hi/lo handling into core md code
	md: use mddev_suspend/resume instead of ->quiesce()
	md: allow metadata update while suspending.
	md: remove special meaning of ->quiesce(.., 2)
	netfilter: don't set F_IFACE on ipv6 fib lookups
	netfilter: ip6t_rpfilter: provide input interface for route lookup
	netfilter: nf_tables: use WARN_ON_ONCE instead of BUG_ON in nft_do_chain()
	ARM: dts: imx6q: Use correct SDMA script for SPI5 core
	mtd: rawnand: fix return value check for bad block status
	xfrm6: avoid potential infinite loop in _decode_session6()
	afs: Fix directory permissions check
	netfilter: ebtables: handle string from userspace with care
	s390/dasd: use blk_mq_rq_from_pdu for per request data
	netfilter: nft_limit: fix packet ratelimiting
	ipvs: fix buffer overflow with sync daemon and service
	iwlwifi: pcie: compare with number of IRQs requested for, not number of CPUs
	atm: zatm: fix memcmp casting
	net: qmi_wwan: Add Netgear Aircard 779S
	perf test: "Session topology" dumps core on s390
	perf bpf: Fix NULL return handling in bpf__prepare_load()
	fs: clear writeback errors in inode_init_always
	sched/core: Fix rules for running on online && !active CPUs
	sched/core: Require cpu_active() in select_task_rq(), for user tasks
	platform/x86: asus-wmi: Fix NULL pointer dereference
	net/sonic: Use dma_mapping_error()
	net: dsa: b53: Add BCM5389 support
	Linux 4.14.54

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
 2018-07-08 16:14:26 +02:00
David Howells
e36bc9930d afs: Fix directory permissions check 
[ Upstream commit 378831e4daec75fbba6d3612bcf3b4dd00ddbf08 ]

Doing faccessat("/afs/some/directory", 0) triggers a BUG in the permissions
check code.

Fix this by just removing the BUG section.  If no permissions are asked
for, just return okay if the file exists.

Also:

 (1) Split up the directory check so that it has separate if-statements
     rather than if-else-if (e.g. checking for MAY_EXEC shouldn't skip the
     check for MAY_READ and MAY_WRITE).

 (2) Check for MAY_CHDIR as MAY_EXEC.

Without the main fix, the following BUG may occur:

 kernel BUG at fs/afs/security.c:386!
 invalid opcode: 0000 [#1] SMP PTI
 ...
 RIP: 0010:afs_permission+0x19d/0x1a0 [kafs]
 ...
 Call Trace:
  ? inode_permission+0xbe/0x180
  ? do_faccessat+0xdc/0x270
  ? do_syscall_64+0x60/0x1f0
  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe

Fixes: 00d3b7a4533e ("[AFS]: Add security support.")
Reported-by: Jonathan Billings <jsbillings@jsbillings.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2018-07-08 15:30:51 +02:00
Greg Kroah-Hartman
a51b40cc70 This is the 4.14.51 stable release 
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Merge 4.14.51 into android-4.14

Changes in 4.14.51
	clocksource/drivers/imx-tpm: Correct some registers operation flow
	Input: synaptics-rmi4 - fix an unchecked out of memory error path
	KVM: X86: fix incorrect reference of trace_kvm_pi_irte_update
	x86: Add check for APIC access address for vmentry of L2 guests
	MIPS: io: Prevent compiler reordering writeX()
	nfp: ignore signals when communicating with management FW
	perf report: Fix switching to another perf.data file
	fsnotify: fix ignore mask logic in send_to_group()
	MIPS: io: Add barrier after register read in readX()
	s390/smsgiucv: disable SMSG on module unload
	isofs: fix potential memory leak in mount option parsing
	MIPS: dts: Boston: Fix PCI bus dtc warnings:
	spi: sh-msiof: Fix bit field overflow writes to TSCR/RSCR
	doc: Add vendor prefix for Kieback & Peter GmbH
	dt-bindings: pinctrl: sunxi: Fix reference to driver
	dt-bindings: serial: sh-sci: Add support for r8a77965 (H)SCIF
	dt-bindings: dmaengine: rcar-dmac: document R8A77965 support
	clk: honor CLK_MUX_ROUND_CLOSEST in generic clk mux
	ASoC: rt5514: Add the missing register in the readable table
	eCryptfs: don't pass up plaintext names when using filename encryption
	soc: bcm: raspberrypi-power: Fix use of __packed
	soc: bcm2835: Make !RASPBERRYPI_FIRMWARE dummies return failure
	PCI: kirin: Fix reset gpio name
	ASoC: topology: Fix bugs of freeing soc topology
	xen: xenbus_dev_frontend: Really return response string
	ASoC: topology: Check widget kcontrols before deref.
	spi: cadence: Add usleep_range() for cdns_spi_fill_tx_fifo()
	blkcg: don't hold blkcg lock when deactivating policy
	tipc: fix infinite loop when dumping link monitor summary
	scsi: iscsi: respond to netlink with unicast when appropriate
	scsi: megaraid_sas: Do not log an error if FW successfully initializes.
	scsi: target: fix crash with iscsi target and dvd
	netfilter: nf_tables: NAT chain and extensions require NF_TABLES
	netfilter: nf_tables: fix out-of-bounds in nft_chain_commit_update
	ASoC: msm8916-wcd-analog: use threaded context for mbhc events
	drm/msm: Fix possible null dereference on failure of get_pages()
	drm/msm/dsi: use correct enum in dsi_get_cmd_fmt
	drm/msm: don't deref error pointer in the msm_fbdev_create error path
	blkcg: init root blkcg_gq under lock
	net: hns: Avoid action name truncation
	vfs: Undo an overly zealous MS_RDONLY -> SB_RDONLY conversion
	parisc: time: Convert read_persistent_clock() to read_persistent_clock64()
	scsi: storvsc: Set up correct queue depth values for IDE devices
	scsi: isci: Fix infinite loop in while loop
	mm, pagemap: fix swap offset value for PMD migration entry
	proc: revalidate kernel thread inodes to root:root
	kexec_file: do not add extra alignment to efi memmap
	mm: memcg: add __GFP_NOWARN in __memcg_schedule_kmem_cache_create()
	usb: typec: ucsi: fix tracepoint related build error
	ACPI / PM: Blacklist Low Power S0 Idle _DSM for ThinkPad X1 Tablet(2016)
	dt-bindings: meson-uart: DT fix s/clocks-names/clock-names/
	powerpc/powernv/memtrace: Let the arch hotunplug code flush cache
	net: phy: marvell: clear wol event before setting it
	ARM: dts: da850: fix W=1 warnings with pinmux node
	ACPI / watchdog: Prefer iTCO_wdt on Lenovo Z50-70
	drm/amdkfd: fix clock counter retrieval for node without GPU
	thermal: int3403_thermal: Fix NULL pointer deref on module load / probe
	net: ethtool: Add missing kernel doc for FEC parameters
	arm64: ptrace: remove addr_limit manipulation
	HID: lenovo: Add support for IBM/Lenovo Scrollpoint mice
	HID: wacom: Release device resource data obtained by devres_alloc()
	selftests: ftrace: Add a testcase for multiple actions on trigger
	rds: ib: Fix missing call to rds_ib_dev_put in rds_ib_setup_qp
	perf/x86/intel: Don't enable freeze-on-smi for PerfMon V1
	remoteproc: qcom: Fix potential device node leaks
	rpmsg: added MODULE_ALIAS for rpmsg_char
	HID: intel-ish-hid: use put_device() instead of kfree()
	blk-mq: fix sysfs inflight counter
	arm64: fix possible spectre-v1 in ptrace_hbp_get_event()
	KVM: arm/arm64: vgic: fix possible spectre-v1 in vgic_mmio_read_apr()
	libahci: Allow drivers to override stop_engine
	ata: ahci: mvebu: override ahci_stop_engine for mvebu AHCI
	x86/cpu/intel: Add missing TLB cpuid values
	bpf: fix uninitialized variable in bpf tools
	i2c: sprd: Prevent i2c accesses after suspend is called
	i2c: sprd: Fix the i2c count issue
	tipc: fix bug in function tipc_nl_node_dump_monitor
	nvme: depend on INFINIBAND_ADDR_TRANS
	nvmet-rdma: depend on INFINIBAND_ADDR_TRANS
	ib_srpt: depend on INFINIBAND_ADDR_TRANS
	ib_srp: depend on INFINIBAND_ADDR_TRANS
	IB: make INFINIBAND_ADDR_TRANS configurable
	IB/uverbs: Fix validating mandatory attributes
	RDMA/cma: Fix use after destroy access to net namespace for IPoIB
	RDMA/iwpm: fix memory leak on map_info
	IB/rxe: add RXE_START_MASK for rxe_opcode IB_OPCODE_RC_SEND_ONLY_INV
	IB/rxe: avoid double kfree_skb
	<linux/stringhash.h>: fix end_name_hash() for 64bit long
	IB/core: Make ib_mad_client_id atomic
	ARM: davinci: board-da830-evm: fix GPIO lookup for MMC/SD
	ARM: davinci: board-da850-evm: fix GPIO lookup for MMC/SD
	ARM: davinci: board-omapl138-hawk: fix GPIO numbers for MMC/SD lookup
	ARM: davinci: board-dm355-evm: fix broken networking
	dt-bindings: panel: lvds: Fix path to display timing bindings
	ARM: OMAP2+: powerdomain: use raw_smp_processor_id() for trace
	ARM: dts: logicpd-som-lv: Fix WL127x Startup Issues
	ARM: dts: logicpd-som-lv: Fix Audio Mute
	Input: atmel_mxt_ts - fix the firmware update
	hexagon: add memset_io() helper
	hexagon: export csum_partial_copy_nocheck
	scsi: vmw-pvscsi: return DID_BUS_BUSY for adapter-initated aborts
	bpf, x64: fix memleak when not converging after image
	parisc: drivers.c: Fix section mismatches
	stop_machine, sched: Fix migrate_swap() vs. active_balance() deadlock
	kthread, sched/wait: Fix kthread_parkme() wait-loop
	arm64: tegra: Make BCM89610 PHY interrupt as active low
	iommu/vt-d: fix shift-out-of-bounds in bug checking
	nvme: fix potential memory leak in option parsing
	nvme: Set integrity flag for user passthrough commands
	ARM: OMAP1: ams-delta: fix deferred_fiq handler
	smc: fix sendpage() call
	IB/hfi1 Use correct type for num_user_context
	IB/hfi1: Fix memory leak in exception path in get_irq_affinity()
	RDMA/cma: Do not query GID during QP state transition to RTR
	spi: bcm2835aux: ensure interrupts are enabled for shared handler
	sched/core: Introduce set_special_state()
	sh: fix build failure for J2 cpu with SMP disabled
	tee: check shm references are consistent in offset/size
	mac80211: Adjust SAE authentication timeout
	drm/omap: silence unititialized variable warning
	drm/omap: fix uninitialized ret variable
	drm/omap: fix possible NULL ref issue in tiler_reserve_2d
	drm/omap: check return value from soc_device_match
	drm/omap: handle alloc failures in omap_connector
	driver core: add __printf verification to __ata_ehi_pushv_desc
	ARM: dts: cygnus: fix irq type for arm global timer
	mac80211: use timeout from the AddBA response instead of the request
	x86/xen: Reset VCPU0 info pointer after shared_info remap
	net: aquantia: driver should correctly declare vlan_features bits
	can: dev: increase bus-off message severity
	arm64: Add MIDR encoding for NVIDIA CPUs
	cifs: smb2ops: Fix listxattr() when there are no EAs
	agp: uninorth: make two functions static
	tipc: eliminate KMSAN uninit-value in strcmp complaint
	qed: Fix l2 initializations over iWARP personality
	qede: Fix gfp flags sent to rdma event node allocation
	rxrpc: Fix error reception on AF_INET6 sockets
	rxrpc: Fix the min security level for kernel calls
	KVM: Extend MAX_IRQ_ROUTES to 4096 for all archs
	x86: Delay skip of emulated hypercall instruction
	ixgbe: return error on unsupported SFP module when resetting
	net sched actions: fix invalid pointer dereferencing if skbedit flags missing
	init: fix false positives in W+X checking
	proc/kcore: don't bounds check against address 0
	ocfs2: take inode cluster lock before moving reflinked inode from orphan dir
	kprobes/x86: Prohibit probing on exception masking instructions
	uprobes/x86: Prohibit probing on MOV SS instruction
	objtool, kprobes/x86: Sync the latest <asm/insn.h> header with tools/objtool/arch/x86/include/asm/insn.h
	x86/pkeys/selftests: Adjust the self-test to fresh distros that export the pkeys ABI
	x86/mpx/selftests: Adjust the self-test to fresh distros that export the MPX ABI
	x86/selftests: Add mov_to_ss test
	x86/pkeys/selftests: Give better unexpected fault error messages
	x86/pkeys/selftests: Stop using assert()
	x86/pkeys/selftests: Remove dead debugging code, fix dprint_in_signal
	x86/pkeys/selftests: Allow faults on unknown keys
	x86/pkeys/selftests: Factor out "instruction page"
	x86/pkeys/selftests: Add PROT_EXEC test
	x86/pkeys/selftests: Fix pkey exhaustion test off-by-one
	x86/pkeys/selftests: Fix pointer math
	x86/pkeys/selftests: Save off 'prot' for allocations
	x86/pkeys/selftests: Add a test for pkey 0
	mtd: Fix comparison in map_word_andequal()
	afs: Fix the non-encryption of calls
	usb: musb: fix remote wakeup racing with suspend
	ARM: keystone: fix platform_domain_notifier array overrun
	i2c: pmcmsp: return message count on master_xfer success
	i2c: pmcmsp: fix error return from master_xfer
	i2c: viperboard: return message count on master_xfer success
	ARM: davinci: dm646x: fix timer interrupt generation
	ARM: davinci: board-dm646x-evm: pass correct I2C adapter id for VPIF
	ARM: davinci: board-dm646x-evm: set VPIF capture card name
	clk: imx6ull: use OSC clock during AXI rate change
	locking/rwsem: Add a new RWSEM_ANONYMOUSLY_OWNED flag
	locking/percpu-rwsem: Annotate rwsem ownership transfer by setting RWSEM_OWNER_UNKNOWN
	drm/dumb-buffers: Integer overflow in drm_mode_create_ioctl()
	sched/debug: Move the print_rt_rq() and print_dl_rq() declarations to kernel/sched/sched.h
	sched/deadline: Make the grub_reclaim() function static
	parisc: Move setup_profiling_timer() out of init section
	efi/libstub/arm64: Handle randomized TEXT_OFFSET
	ARM: 8753/1: decompressor: add a missing parameter to the addruart macro
	ARM: 8758/1: decompressor: restore r1 and r2 just before jumping to the kernel
	ARM: kexec: fix kdump register saving on panic()
	Revert "Btrfs: fix scrub to repair raid6 corruption"
	Btrfs: fix scrub to repair raid6 corruption
	Btrfs: make raid6 rebuild retry more
	tcp: do not overshoot window_clamp in tcp_rcv_space_adjust()
	Linux 4.14.51

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
 2018-06-21 05:46:51 +09:00
David Howells
634b9e0aab afs: Fix the non-encryption of calls 
[ Upstream commit 4776cab43fd3111618112737a257dc3ef368eddd ]

Some AFS servers refuse to accept unencrypted traffic, so can't be accessed
with kAFS.  Set the AF_RXRPC security level to encrypt client calls to deal
with this.

Note that incoming service calls are set by the remote client and so aren't
affected by this.

This requires an AF_RXRPC patch to pass the value set by setsockopt to calls
begun by the kernel.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2018-06-21 04:02:59 +09:00
Sami Tolvanen
cf1e629fd5 ANDROID: fs: afs: fix filler function type 
Bug: 67506682
Change-Id: I76d208c8606ee5af144891d14bd309912d4d788d
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
 2018-04-26 16:03:37 -07:00
David Howells
622ded5841 afs: Fix missing error handling in afs_write_end() 
[ Upstream commit afae457d874860a7e299d334f59eede5f3ad4b47 ]

afs_write_end() is missing page unlock and put if afs_fill_page() fails.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2018-03-03 10:24:32 +01:00
David Howells
80e642c066 afs: Connect up the CB.ProbeUuid 
[ Upstream commit f4b3526d83c40dd8bf5948b9d7a1b2c340f0dcc8 ]

The handler for the CB.ProbeUuid operation in the cache manager is
implemented, but isn't listed in the switch-statement of operation
selection, so won't be used.  Fix this by adding it.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2017-12-14 09:53:15 +01:00
David Howells
49e186e327 afs: Fix total-length calculation for multiple-page send 
[ Upstream commit 1199db603511d7463d9d3840f96f61967affc766 ]

Fix the total-length calculation in afs_make_call() when the operation
being dispatched has data from a series of pages attached.

Despite the patched code looking like that it should reduce mathematically
to the current code, it doesn't because the 32-bit unsigned arithmetic
being used to calculate the page-offset-difference doesn't correctly extend
to a 64-bit value when the result is effectively negative.

Without this, some FS.StoreData operations that span multiple pages fail,
reporting too little or too much data.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2017-12-14 09:53:14 +01:00
Greg Kroah-Hartman
b24413180f License cleanup: add SPDX GPL-2.0 license identifier to files with no license 
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.

By default all files without license information are under the default
license of the kernel, which is GPL version 2.

Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier.  The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.

This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.

How this work was done:

Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
 - file had no licensing information it it.
 - file was a */uapi/* one with no licensing information in it,
 - file was a */uapi/* one with existing licensing information,

Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.

The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne.  Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.

The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed.  Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.

Criteria used to select files for SPDX license identifier tagging was:
 - Files considered eligible had to be source code files.
 - Make and config files were included as candidates if they contained >5
   lines of source
 - File already had some variant of a license header in it (even if <5
   lines).

All documentation files were explicitly excluded.

The following heuristics were used to determine which SPDX license
identifiers to apply.

 - when both scanners couldn't find any license traces, file was
   considered to have no license information in it, and the top level
   COPYING file license applied.

   For non */uapi/* files that summary was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0                                              11139

   and resulted in the first patch in this series.

   If that file was a */uapi/* path one, it was "GPL-2.0 WITH
   Linux-syscall-note" otherwise it was "GPL-2.0".  Results of that was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0 WITH Linux-syscall-note                        930

   and resulted in the second patch in this series.

 - if a file had some form of licensing information in it, and was one
   of the */uapi/* ones, it was denoted with the Linux-syscall-note if
   any GPL family license was found in the file or had no licensing in
   it (per prior point).  Results summary:

   SPDX license identifier                            # files
   ---------------------------------------------------|------
   GPL-2.0 WITH Linux-syscall-note                       270
   GPL-2.0+ WITH Linux-syscall-note                      169
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause)    21
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)    17
   LGPL-2.1+ WITH Linux-syscall-note                      15
   GPL-1.0+ WITH Linux-syscall-note                       14
   ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause)    5
   LGPL-2.0+ WITH Linux-syscall-note                       4
   LGPL-2.1 WITH Linux-syscall-note                        3
   ((GPL-2.0 WITH Linux-syscall-note) OR MIT)              3
   ((GPL-2.0 WITH Linux-syscall-note) AND MIT)             1

   and that resulted in the third patch in this series.

 - when the two scanners agreed on the detected license(s), that became
   the concluded license(s).

 - when there was disagreement between the two scanners (one detected a
   license but the other didn't, or they both detected different
   licenses) a manual inspection of the file occurred.

 - In most cases a manual inspection of the information in the file
   resulted in a clear resolution of the license that should apply (and
   which scanner probably needed to revisit its heuristics).

 - When it was not immediately clear, the license identifier was
   confirmed with lawyers working with the Linux Foundation.

 - If there was any question as to the appropriate license identifier,
   the file was flagged for further research and to be revisited later
   in time.

In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.

Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights.  The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.

Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.

In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.

Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
 - a full scancode scan run, collecting the matched texts, detected
   license ids and scores
 - reviewing anything where there was a license detected (about 500+
   files) to ensure that the applied SPDX license was correct
 - reviewing anything where there was no detection but the patch license
   was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
   SPDX license was correct

This produced a worksheet with 20 files needing minor correction.  This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.

These .csv files were then reviewed by Greg.  Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected.  This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.)  Finally Greg ran the script using the .csv files to
generate the patches.

Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2017-11-02 11:10:55 +01:00
Linus Torvalds
d34fc1adf0 Merge branch 'akpm' (patches from Andrew) 
Merge updates from Andrew Morton:

 - various misc bits

 - DAX updates

 - OCFS2

 - most of MM

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (119 commits)
  mm,fork: introduce MADV_WIPEONFORK
  x86,mpx: make mpx depend on x86-64 to free up VMA flag
  mm: add /proc/pid/smaps_rollup
  mm: hugetlb: clear target sub-page last when clearing huge page
  mm: oom: let oom_reap_task and exit_mmap run concurrently
  swap: choose swap device according to numa node
  mm: replace TIF_MEMDIE checks by tsk_is_oom_victim
  mm, oom: do not rely on TIF_MEMDIE for memory reserves access
  z3fold: use per-cpu unbuddied lists
  mm, swap: don't use VMA based swap readahead if HDD is used as swap
  mm, swap: add sysfs interface for VMA based swap readahead
  mm, swap: VMA based swap readahead
  mm, swap: fix swap readahead marking
  mm, swap: add swap readahead hit statistics
  mm/vmalloc.c: don't reinvent the wheel but use existing llist API
  mm/vmstat.c: fix wrong comment
  selftests/memfd: add memfd_create hugetlbfs selftest
  mm/shmem: add hugetlbfs support to memfd_create()
  mm, devm_memremap_pages: use multi-order radix for ZONE_DEVICE lookups
  mm/vmalloc.c: halve the number of comparisons performed in pcpu_get_vm_areas()
  ...
 2017-09-06 20:49:49 -07:00
Jan Kara
26b433d0da fscache: remove unused ->now_uncached callback 
Patch series "Ranged pagevec lookup", v2.

In this series I make pagevec_lookup() update the index (to be
consistent with pagevec_lookup_tag() and also as a preparation for
ranged lookups), provide ranged variant of pagevec_lookup() and use it
in places where it makes sense.  This not only removes some common code
but is also a measurable performance win for some use cases (see patch
4/10) where radix tree is sparse and searching & grabing of a page after
the end of the range has measurable overhead.

This patch (of 10):

The callback doesn't ever get called.  Remove it.

Link: http://lkml.kernel.org/r/20170726114704.7626-2-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-09-06 17:27:26 -07:00
Linus Torvalds
aae3dbb477 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from David Miller:

 1) Support ipv6 checksum offload in sunvnet driver, from Shannon
    Nelson.

 2) Move to RB-tree instead of custom AVL code in inetpeer, from Eric
    Dumazet.

 3) Allow generic XDP to work on virtual devices, from John Fastabend.

 4) Add bpf device maps and XDP_REDIRECT, which can be used to build
    arbitrary switching frameworks using XDP. From John Fastabend.

 5) Remove UFO offloads from the tree, gave us little other than bugs.

 6) Remove the IPSEC flow cache, from Florian Westphal.

 7) Support ipv6 route offload in mlxsw driver.

 8) Support VF representors in bnxt_en, from Sathya Perla.

 9) Add support for forward error correction modes to ethtool, from
    Vidya Sagar Ravipati.

10) Add time filter for packet scheduler action dumping, from Jamal Hadi
    Salim.

11) Extend the zerocopy sendmsg() used by virtio and tap to regular
    sockets via MSG_ZEROCOPY. From Willem de Bruijn.

12) Significantly rework value tracking in the BPF verifier, from Edward
    Cree.

13) Add new jump instructions to eBPF, from Daniel Borkmann.

14) Rework rtnetlink plumbing so that operations can be run without
    taking the RTNL semaphore. From Florian Westphal.

15) Support XDP in tap driver, from Jason Wang.

16) Add 32-bit eBPF JIT for ARM, from Shubham Bansal.

17) Add Huawei hinic ethernet driver.

18) Allow to report MD5 keys in TCP inet_diag dumps, from Ivan
    Delalande.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1780 commits)
  i40e: point wb_desc at the nvm_wb_desc during i40e_read_nvm_aq
  i40e: avoid NVM acquire deadlock during NVM update
  drivers: net: xgene: Remove return statement from void function
  drivers: net: xgene: Configure tx/rx delay for ACPI
  drivers: net: xgene: Read tx/rx delay for ACPI
  rocker: fix kcalloc parameter order
  rds: Fix non-atomic operation on shared flag variable
  net: sched: don't use GFP_KERNEL under spin lock
  vhost_net: correctly check tx avail during rx busy polling
  net: mdio-mux: add mdio_mux parameter to mdio_mux_init()
  rxrpc: Make service connection lookup always check for retry
  net: stmmac: Delete dead code for MDIO registration
  gianfar: Fix Tx flow control deactivation
  cxgb4: Ignore MPS_TX_INT_CAUSE[Bubble] for T6
  cxgb4: Fix pause frame count in t4_get_port_stats
  cxgb4: fix memory leak
  tun: rename generic_xdp to skb_xdp
  tun: reserve extra headroom only when XDP is set
  net: dsa: bcm_sf2: Configure IMP port TC2QOS mapping
  net: dsa: bcm_sf2: Advertise number of egress queues
  ...
 2017-09-06 14:45:08 -07:00
David Howells
e833251ad8 rxrpc: Add notification of end-of-Tx phase 
Add a callback to rxrpc_kernel_send_data() so that a kernel service can get
a notification that the AF_RXRPC call has transitioned out the Tx phase and
is now waiting for a reply or a final ACK.

This is called from AF_RXRPC with the call state lock held so the
notification is guaranteed to come before any reply is passed back.

Further, modify the AFS filesystem to make use of this so that we don't have
to change the afs_call state before sending the last bit of data.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-08-29 10:55:20 +01:00
Jeff Layton
3b49c9a1e9 fs: convert a pile of fsync routines to errseq_t based reporting 
This patch converts most of the in-kernel filesystems that do writeback
out of the pagecache to report errors using the errseq_t-based
infrastructure that was recently added. This allows them to report
errors once for each open file description.

Most filesystems have a fairly straightforward fsync operation. They
call filemap_write_and_wait_range to write back all of the data and
wait on it, and then (sometimes) sync out the metadata.

For those filesystems this is a straightforward conversion from calling
filemap_write_and_wait_range in their fsync operation to calling
file_write_and_wait_range.

Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
 2017-08-01 08:39:29 -04:00
David Howells
ddc6c70f07 rxrpc: Move the packet.h include file into net/rxrpc/ 
Move the protocol description header file into net/rxrpc/ and rename it to
protocol.h.  It's no longer necessary to expose it as packets are no longer
exposed to kernel services (such as AFS) that use the facility.

The abort codes are transferred to the UAPI header instead as we pass these
back to userspace and also to kernel services.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-07-21 11:00:20 +01:00
Linus Torvalds
78dcf73421 Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull ->s_options removal from Al Viro:
 "Preparations for fsmount/fsopen stuff (coming next cycle). Everything
  gets moved to explicit ->show_options(), killing ->s_options off +
  some cosmetic bits around fs/namespace.c and friends. Basically, the
  stuff needed to work with fsmount series with minimum of conflicts
  with other work.

  It's not strictly required for this merge window, but it would reduce
  the PITA during the coming cycle, so it would be nice to have those
  bits and pieces out of the way"

* 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  isofs: Fix isofs_show_options()
  VFS: Kill off s_options and helpers
  orangefs: Implement show_options
  9p: Implement show_options
  isofs: Implement show_options
  afs: Implement show_options
  affs: Implement show_options
  befs: Implement show_options
  spufs: Implement show_options
  bpf: Implement show_options
  ramfs: Implement show_options
  pstore: Implement show_options
  omfs: Implement show_options
  hugetlbfs: Implement show_options
  VFS: Don't use save/replace_mount_options if not using generic_show_options
  VFS: Provide empty name qstr
  VFS: Make get_filesystem() return the affected filesystem
  VFS: Clean up whitespace in fs/namespace.c and fs/super.c
  Provide a function to create a NUL-terminated string from unterminated data
 2017-07-15 12:00:42 -07:00
David Howells
677018a6ce afs: Implement show_options 
Implement the show_options superblock op for afs as part of a bid to get
rid of s_options and generic_show_options() to make it easier to implement
a context-based mount where the mount options can be passed individually
over a file descriptor.

Also implement the show_devname op to display the correct device name and thus
avoid the need to display the cell= and volume= options.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-afs@lists.infradead.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2017-07-11 06:06:18 -04:00
David Howells
d3e3b7eac8 afs: Add metadata xattrs 
Add xattrs to allow the user to get/set metadata in lieu of having pioctl()
available.  The following xattrs are now available:

 - "afs.cell"

   The name of the cell in which the vnode's volume resides.

 - "afs.fid"

   The volume ID, vnode ID and vnode uniquifier of the file as three hex
   numbers separated by colons.

 - "afs.volume"

   The name of the volume in which the vnode resides.

For example:

	# getfattr -d -m ".*" /mnt/scratch
	getfattr: Removing leading '/' from absolute path names
	# file: mnt/scratch
	afs.cell="mycell.myorg.org"
	afs.fid="10000b:1:1"
	afs.volume="scratch"

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-07-09 14:40:12 -07:00
Marc Dionne
fd2498211a afs: Ignore AFS_ACE_READ and AFS_ACE_WRITE for directories 
The AFS_ACE_READ and AFS_ACE_WRITE permission bits should not
be used to make access decisions for the directory itself.  They
are meant to control access for the objects contained in that
directory.

Reading a directory is allowed if the AFS_ACE_LOOKUP bit is set.
This would cause an incorrect access denied error for a directory
with AFS_ACE_LOOKUP but not AFS_ACE_READ.

The AFS_ACE_WRITE bit does not allow operations that modify the
directory.  For a directory with AFS_ACE_WRITE but neither
AFS_ACE_INSERT nor AFS_ACE_DELETE, this would result in trying
operations that would ultimately be denied by the server.

Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2017-07-09 14:40:12 -07:00
Linus Torvalds
5518b69b76 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from David Miller:
 "Reasonably busy this cycle, but perhaps not as busy as in the 4.12
  merge window:

   1) Several optimizations for UDP processing under high load from
      Paolo Abeni.

   2) Support pacing internally in TCP when using the sch_fq packet
      scheduler for this is not practical. From Eric Dumazet.

   3) Support mutliple filter chains per qdisc, from Jiri Pirko.

   4) Move to 1ms TCP timestamp clock, from Eric Dumazet.

   5) Add batch dequeueing to vhost_net, from Jason Wang.

   6) Flesh out more completely SCTP checksum offload support, from
      Davide Caratti.

   7) More plumbing of extended netlink ACKs, from David Ahern, Pablo
      Neira Ayuso, and Matthias Schiffer.

   8) Add devlink support to nfp driver, from Simon Horman.

   9) Add RTM_F_FIB_MATCH flag to RTM_GETROUTE queries, from Roopa
      Prabhu.

  10) Add stack depth tracking to BPF verifier and use this information
      in the various eBPF JITs. From Alexei Starovoitov.

  11) Support XDP on qed device VFs, from Yuval Mintz.

  12) Introduce BPF PROG ID for better introspection of installed BPF
      programs. From Martin KaFai Lau.

  13) Add bpf_set_hash helper for TC bpf programs, from Daniel Borkmann.

  14) For loads, allow narrower accesses in bpf verifier checking, from
      Yonghong Song.

  15) Support MIPS in the BPF selftests and samples infrastructure, the
      MIPS eBPF JIT will be merged in via the MIPS GIT tree. From David
      Daney.

  16) Support kernel based TLS, from Dave Watson and others.

  17) Remove completely DST garbage collection, from Wei Wang.

  18) Allow installing TCP MD5 rules using prefixes, from Ivan
      Delalande.

  19) Add XDP support to Intel i40e driver, from Björn Töpel

  20) Add support for TC flower offload in nfp driver, from Simon
      Horman, Pieter Jansen van Vuuren, Benjamin LaHaise, Jakub
      Kicinski, and Bert van Leeuwen.

  21) IPSEC offloading support in mlx5, from Ilan Tayari.

  22) Add HW PTP support to macb driver, from Rafal Ozieblo.

  23) Networking refcount_t conversions, From Elena Reshetova.

  24) Add sock_ops support to BPF, from Lawrence Brako. This is useful
      for tuning the TCP sockopt settings of a group of applications,
      currently via CGROUPs"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1899 commits)
  net: phy: dp83867: add workaround for incorrect RX_CTRL pin strap
  dt-bindings: phy: dp83867: provide a workaround for incorrect RX_CTRL pin strap
  cxgb4: Support for get_ts_info ethtool method
  cxgb4: Add PTP Hardware Clock (PHC) support
  cxgb4: time stamping interface for PTP
  nfp: default to chained metadata prepend format
  nfp: remove legacy MAC address lookup
  nfp: improve order of interfaces in breakout mode
  net: macb: remove extraneous return when MACB_EXT_DESC is defined
  bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case
  bpf: fix return in load_bpf_file
  mpls: fix rtm policy in mpls_getroute
  net, ax25: convert ax25_cb.refcount from atomic_t to refcount_t
  net, ax25: convert ax25_route.refcount from atomic_t to refcount_t
  net, ax25: convert ax25_uid_assoc.refcount from atomic_t to refcount_t
  net, sctp: convert sctp_ep_common.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_transport.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_chunk.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_datamsg.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_auth_bytes.refcnt from atomic_t to refcount_t
  ...
 2017-07-05 12:31:59 -07:00
David Howells
e754eba685 rxrpc: Provide a cmsg to specify the amount of Tx data for a call 
Provide a control message that can be specified on the first sendmsg() of a
client call or the first sendmsg() of a service response to indicate the
total length of the data to be transmitted for that call.

Currently, because the length of the payload of an encrypted DATA packet is
encrypted in front of the data, the packet cannot be encrypted until we
know how much data it will hold.

By specifying the length at the beginning of the transmit phase, each DATA
packet length can be set before we start loading data from userspace (where
several sendmsg() calls may contribute to a particular packet).

An error will be returned if too little or too much data is presented in
the Tx phase.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-06-07 17:15:46 +01:00
Christoph Hellwig
41bb26f8db uuid,afs: move struct uuid_v1 back into afs 
This essentially is a partial revert of commit ff548773
("afs: Move UUID struct to linux/uuid.h") and moves struct uuid_v1 back into
fs/afs as struct afs_uuid.  It however keeps it as big endian structure
so that we can use the normal uuid generation helpers when casting to/from
struct afs_uuid.

The V1 uuid intrepretation in struct form isn't really useful to the
rest of the kernel, and not really compatible to it either, so move it
back to AFS instead of polluting the global uuid.h.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Howells <dhowells@redhat.com>
 2017-06-05 16:56:34 +02:00
Linus Torvalds
8d65b08deb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 
Pull networking updates from David Millar:
 "Here are some highlights from the 2065 networking commits that
  happened this development cycle:

   1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)

   2) Add a generic XDP driver, so that anyone can test XDP even if they
      lack a networking device whose driver has explicit XDP support
      (me).

   3) Sparc64 now has an eBPF JIT too (me)

   4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
      Starovoitov)

   5) Make netfitler network namespace teardown less expensive (Florian
      Westphal)

   6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)

   7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)

   8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)

   9) Multiqueue support in stmmac driver (Joao Pinto)

  10) Remove TCP timewait recycling, it never really could possibly work
      well in the real world and timestamp randomization really zaps any
      hint of usability this feature had (Soheil Hassas Yeganeh)

  11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
      Aleksandrov)

  12) Add socket busy poll support to epoll (Sridhar Samudrala)

  13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
      and several others)

  14) IPSEC hw offload infrastructure (Steffen Klassert)"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
  tipc: refactor function tipc_sk_recv_stream()
  tipc: refactor function tipc_sk_recvmsg()
  net: thunderx: Optimize page recycling for XDP
  net: thunderx: Support for XDP header adjustment
  net: thunderx: Add support for XDP_TX
  net: thunderx: Add support for XDP_DROP
  net: thunderx: Add basic XDP support
  net: thunderx: Cleanup receive buffer allocation
  net: thunderx: Optimize CQE_TX handling
  net: thunderx: Optimize RBDR descriptor handling
  net: thunderx: Support for page recycling
  ipx: call ipxitf_put() in ioctl error path
  net: sched: add helpers to handle extended actions
  qed*: Fix issues in the ptp filter config implementation.
  qede: Fix concurrency issue in PTP Tx path processing.
  stmmac: Add support for SIMATIC IOT2000 platform
  net: hns: fix ethtool_get_strings overflow in hns driver
  tcp: fix wraparound issue in tcp_lp
  bpf, arm64: fix jit branch offset related to ldimm64
  bpf, arm64: implement jiting of BPF_XADD
  ...
 2017-05-02 16:40:27 -07:00
Jan Kara
edd3ba94c4 afs: Convert to separately allocated bdi 
Allocate struct backing_dev_info separately instead of embedding it
inside the superblock. This unifies handling of bdi among users.

CC: David Howells <dhowells@redhat.com>
CC: linux-afs@lists.infradead.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
 2017-04-20 12:09:55 -06:00
David Howells
3a92789af0 rxrpc: Use negative error codes in rxrpc_call struct 
Use negative error codes in struct rxrpc_call::error because that's what
the kernel normally deals with and to make the code consistent.  We only
turn them positive when transcribing into a cmsg for userspace recvmsg.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-04-06 10:11:56 +01:00
David Howells
c5051c7bc7 afs: Don't wait for page writeback with the page lock held 
Drop the page lock before waiting for page writeback.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:29:30 +00:00
David Howells
65a151094e afs: ->writepage() shouldn't call clear_page_dirty_for_io() 
The ->writepage() op shouldn't call clear_page_dirty_for_io() as that has
already been called by the caller.

Fix afs_writepage() by moving the call out of
afs_write_back_from_locked_page() to afs_writepages_region() where it is
needed.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:29:30 +00:00
David Howells
954cd6dc02 afs: Fix abort on signal while waiting for call completion 
Fix the way in which a call that's in progress and being waited for is
aborted in the case that EINTR is detected.  We should be sending
RX_USER_ABORT rather than RX_CALL_DEAD as the abort code.

Note that since the only two ways out of the loop are if the call completes
or if a signal happens, the kill-the-call clause after the loop has
finished can only happen in the case of EINTR.  This means that we only
have one abort case to deal with, not two, and the "KWC" case can never
happen and so can be deleted.

Note further that simply aborting the call isn't necessarily the best thing
here since at this point: the request has been entirely sent and it's
likely the server will do the operation anyway - whether we abort it or
not.  In future, we should punt the handling of the remainder of the call
off to a background thread.

Reported-by: Marc Dionne <marc.c.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:29:30 +00:00
David Howells
445783d0ec afs: Fix an off-by-one error in afs_send_pages() 
afs_send_pages() should only put the call into the AFS_CALL_AWAIT_REPLY
state if it has sent all the pages - but the check it makes is incorrect
and sometimes it will finish the loop early.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:29:30 +00:00
David Howells
7286a35e89 afs: Fix afs_kill_pages() 
Fix afs_kill_pages() in two ways:

 (1) If a writeback has been partially flushed, then if we try and kill the
     pages it contains, some of them may no longer be undergoing writeback
     and end_page_writeback() will assert.

     Fix this by checking to see whether the page in question is actually
     undergoing writeback before ending that writeback.

 (2) The loop that scans for pages to kill doesn't increase the first page
     index, and so the loop may not terminate, but it will try to process
     the same pages over and over again.

     Fix this by increasing the first page index to one after the last page
     we processed.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:29:30 +00:00
David Howells
6d06b0d252 afs: Fix page leak in afs_write_begin() 
afs_write_begin() leaks a ref and a lock on a page if afs_fill_page()
fails.  Fix the leak by unlocking and releasing the page in the error path.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:48 +00:00
David Howells
68ae849d7e afs: Don't set PG_error on local EINTR or ENOMEM when filling a page 
Don't set PG_error on a page if we get local EINTR or ENOMEM when filling a
page for writing.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:48 +00:00
Marc Dionne
ab94f5d0dd afs: Populate and use client modification time 
The inode timestamps should be set from the client time
in the status received from the server, rather than the
server time which is meant for internal server use.

Set AFS_SET_MTIME and populate the mtime for operations
that take an input status, such as file/dir creation
and StoreData.  If an input time is not provided the
server will set the vnode times based on the current server
time.

In a situation where the server has some skew with the
client, this could lead to the client seeing a timestamp
in the future for a file that it just created or wrote.

Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:47 +00:00
David Howells
70af0e3bd6 afs: Better abort and net error handling 
If we receive a network error, a remote abort or a protocol error whilst
we're still transmitting data, make sure we return an appropriate error to
the caller rather than ESHUTDOWN or ECONNABORTED.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:47 +00:00
David Howells
1157f153f3 afs: Invalid op ID should abort with RXGEN_OPCODE 
When we are given an invalid operation ID, we should abort that with
RXGEN_OPCODE rather than RX_INVALID_OPERATION.

Also map RXGEN_OPCODE to -ENOTSUPP.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:47 +00:00
David Howells
146a119278 afs: Fix the maths in afs_fs_store_data() 
afs_fs_store_data() works out of the size of the write it's going to make,
but it uses 32-bit unsigned subtraction in one place that gets
automatically cast to loff_t.

However, if to < offset, then the number goes negative, but as the result
isn't signed, this doesn't get sign-extended to 64-bits when placed in a
loff_t.

Fix by casting the operands to loff_t.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:47 +00:00
David Howells
2f5705a5c8 afs: Use a bvec rather than a kvec in afs_send_pages() 
Use a bvec rather than a kvec in afs_send_pages() as we don't then have to
call kmap() in advance.  This allows us to pass the array of contiguous
pages that we extracted through to rxrpc in one go rather than passing a
single page at a time.

Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:46 +00:00
David Howells
6a0e3999e5 afs: Make struct afs_read::remain 64-bit 
Make struct afs_read::remain 64-bit so that it can handle huge transfers if
we ever request them or the server decides to give us a bit extra data (the
other fields there are already 64-bit).

Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
 2017-03-16 16:27:46 +00:00
David Howells
29f0698532 afs: Fix AFS read bug 
Fix a bug in AFS read whereby the request page afs_read::index isn't
incremented after calling ->page_done() if ->remain reaches 0, indicating
that the data read is complete.

Without this a NULL pointer exception happens when ->page_done() is called
twice for the last page because the page clearing loop will call it also
and afs_readpages_page_done() clears the current entry in the page list.

BUG: unable to handle kernel NULL pointer dereference at           (null)
IP: afs_readpages_page_done+0x21/0xa4 [kafs]
PGD 0
Oops: 0002 [#1] SMP
Modules linked in: kafs(E)
CPU: 2 PID: 3002 Comm: md5sum Tainted: G            E   4.10.0-fscache #485
Hardware name: ASUS All Series/H97-PLUS, BIOS 2306 10/09/2014
task: ffff8804017d86c0 task.stack: ffff8803fc1d8000
RIP: 0010:afs_readpages_page_done+0x21/0xa4 [kafs]
RSP: 0018:ffff8803fc1db978 EFLAGS: 00010282
RAX: ffff880405d39af8 RBX: 0000000000000000 RCX: ffff880407d83ed4
RDX: 0000000000000000 RSI: ffff880405d39a00 RDI: ffff880405c6f400
RBP: ffff8803fc1db988 R08: 0000000000000000 R09: 0000000000000001
R10: ffff8803fc1db820 R11: ffff88040cf56000 R12: ffff8804088f1780
R13: ffff8804017d86c0 R14: ffff8804088f1780 R15: 0000000000003840
FS:  00007f8154469700(0000) GS:ffff88041fb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000004016ec000 CR4: 00000000001406e0
Call Trace:
 afs_deliver_fs_fetch_data+0x5b9/0x60e [kafs]
 ? afs_make_call+0x316/0x4e8 [kafs]
 ? afs_make_call+0x359/0x4e8 [kafs]
 afs_deliver_to_call+0x173/0x2e8 [kafs]
 ? afs_make_call+0x316/0x4e8 [kafs]
 afs_make_call+0x37a/0x4e8 [kafs]
 ? wake_up_q+0x4f/0x4f
 ? __init_waitqueue_head+0x36/0x49
 afs_fs_fetch_data+0x21c/0x227 [kafs]
 ? afs_fs_fetch_data+0x21c/0x227 [kafs]
 afs_vnode_fetch_data+0xf3/0x1d2 [kafs]
 afs_readpages+0x314/0x3fd [kafs]
 __do_page_cache_readahead+0x208/0x2c5
 ondemand_readahead+0x3a2/0x3b7
 ? ondemand_readahead+0x3a2/0x3b7
 page_cache_async_readahead+0x5e/0x67
 generic_file_read_iter+0x23b/0x70c
 ? __inode_security_revalidate+0x2f/0x62
 __vfs_read+0xc4/0xe8
 vfs_read+0xd1/0x15a
 SyS_read+0x4c/0x89
 do_syscall_64+0x80/0x191
 entry_SYSCALL64_slow_path+0x25/0x25

Reported-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
 2017-03-16 16:27:46 +00:00
Tina Ruchandani
56e714312e afs: Prevent callback expiry timer overflow 
get_seconds() returns real wall-clock seconds. On 32-bit systems
this value will overflow in year 2038 and beyond. This patch changes
afs_vnode record to use ktime_get_real_seconds() instead, for the
fields cb_expires and cb_expires_at.

Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:46 +00:00
Tina Ruchandani
8a79790bf0 afs: Migrate vlocation fields to 64-bit 
get_seconds() returns real wall-clock seconds. On 32-bit systems
this value will overflow in year 2038 and beyond. This patch changes
afs's vlocation record to use ktime_get_real_seconds() instead, for the
fields time_of_death and update_at.

Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:46 +00:00
Andreea-Cristina Bernat
df8a09d1b8 afs: security: Replace rcu_assign_pointer() with RCU_INIT_POINTER() 
The use of "rcu_assign_pointer()" is NULLing out the pointer.
According to RCU_INIT_POINTER()'s block comment:
"1.   This use of RCU_INIT_POINTER() is NULLing out the pointer"
it is better to use it instead of rcu_assign_pointer() because it has a
smaller overhead.

The following Coccinelle semantic patch was used:
@@
@@

- rcu_assign_pointer
+ RCU_INIT_POINTER
  (..., NULL)

Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:45 +00:00
Andreea-Cristina Bernat
1d7e4ebf29 afs: inode: Replace rcu_assign_pointer() with RCU_INIT_POINTER() 
The use of "rcu_assign_pointer()" is NULLing out the pointer.
According to RCU_INIT_POINTER()'s block comment:
"1.   This use of RCU_INIT_POINTER() is NULLing out the pointer"
it is better to use it instead of rcu_assign_pointer() because it has a
smaller overhead.

The following Coccinelle semantic patch was used:
@@
@@

- rcu_assign_pointer
+ RCU_INIT_POINTER
  (..., NULL)

Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
 2017-03-16 16:27:45 +00:00