505 Commits

Author SHA1 Message Date
Greg Kroah-Hartman
f960b38ecc This is the 4.14.159 stable release
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Merge 4.14.159 into android-4.14

Changes in 4.14.159
	rsi: release skb if rsi_prepare_beacon fails
	arm64: tegra: Fix 'active-low' warning for Jetson TX1 regulator
	usb: gadget: u_serial: add missing port entry locking
	tty: serial: fsl_lpuart: use the sg count from dma_map_sg
	tty: serial: msm_serial: Fix flow control
	serial: pl011: Fix DMA ->flush_buffer()
	serial: serial_core: Perform NULL checks for break_ctl ops
	serial: ifx6x60: add missed pm_runtime_disable
	autofs: fix a leak in autofs_expire_indirect()
	RDMA/hns: Correct the value of HNS_ROCE_HEM_CHUNK_LEN
	iwlwifi: pcie: don't consider IV len in A-MSDU
	exportfs_decode_fh(): negative pinned may become positive without the parent locked
	audit_get_nd(): don't unlock parent too early
	NFC: nxp-nci: Fix NULL pointer dereference after I2C communication error
	xfrm: release device reference for invalid state
	Input: cyttsp4_core - fix use after free bug
	sched/core: Avoid spurious lock dependencies
	ALSA: pcm: Fix stream lock usage in snd_pcm_period_elapsed()
	rsxx: add missed destroy_workqueue calls in remove
	net: ep93xx_eth: fix mismatch of request_mem_region in remove
	i2c: core: fix use after free in of_i2c_notify
	serial: core: Allow processing sysrq at port unlock time
	cxgb4vf: fix memleak in mac_hlist initialization
	iwlwifi: mvm: synchronize TID queue removal
	iwlwifi: mvm: Send non offchannel traffic via AP sta
	ARM: 8813/1: Make aligned 2-byte getuser()/putuser() atomic on ARMv6+
	net/mlx5: Release resource on error flow
	clk: sunxi-ng: a64: Fix gate bit of DSI DPHY
	dlm: fix possible call to kfree() for non-initialized pointer
	extcon: max8997: Fix lack of path setting in USB device mode
	net: ethernet: ti: cpts: correct debug for expired txq skb
	rtc: s3c-rtc: Avoid using broken ALMYEAR register
	i40e: don't restart nway if autoneg not supported
	clk: rockchip: fix rk3188 sclk_smc gate data
	clk: rockchip: fix rk3188 sclk_mac_lbtest parameter ordering
	ARM: dts: rockchip: Fix rk3288-rock2 vcc_flash name
	dlm: fix missing idr_destroy for recover_idr
	MIPS: SiByte: Enable ZONE_DMA32 for LittleSur
	net: dsa: mv88e6xxx: Work around mv886e6161 SERDES missing MII_PHYSID2
	scsi: zfcp: drop default switch case which might paper over missing case
	crypto: ecc - check for invalid values in the key verification test
	crypto: bcm - fix normal/non key hash algorithm failure
	pinctrl: qcom: ssbi-gpio: fix gpio-hog related boot issues
	Staging: iio: adt7316: Fix i2c data reading, set the data field
	mm/vmstat.c: fix NUMA statistics updates
	clk: rockchip: fix I2S1 clock gate register for rk3328
	clk: rockchip: fix ID of 8ch clock of I2S1 for rk3328
	regulator: Fix return value of _set_load() stub
	net-next/hinic:fix a bug in set mac address
	iomap: sub-block dio needs to zeroout beyond EOF
	MIPS: OCTEON: octeon-platform: fix typing
	net/smc: use after free fix in smc_wr_tx_put_slot()
	math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning
	rtc: max8997: Fix the returned value in case of error in 'max8997_rtc_read_alarm()'
	rtc: dt-binding: abx80x: fix resistance scale
	ARM: dts: exynos: Use Samsung SoC specific compatible for DWC2 module
	media: pulse8-cec: return 0 when invalidating the logical address
	media: cec: report Vendor ID after initialization
	dmaengine: coh901318: Fix a double-lock bug
	dmaengine: coh901318: Remove unused variable
	dmaengine: dw-dmac: implement dma protection control setting
	usb: dwc3: debugfs: Properly print/set link state for HS
	usb: dwc3: don't log probe deferrals; but do log other error codes
	ACPI: fix acpi_find_child_device() invocation in acpi_preset_companion()
	f2fs: fix count of seg_freed to make sec_freed correct
	f2fs: change segment to section in f2fs_ioc_gc_range
	ARM: dts: rockchip: Fix the PMU interrupt number for rv1108
	ARM: dts: rockchip: Assign the proper GPIO clocks for rv1108
	f2fs: fix to allow node segment for GC by ioctl path
	sparc: Correct ctx->saw_frame_pointer logic.
	dma-mapping: fix return type of dma_set_max_seg_size()
	altera-stapl: check for a null key before strcasecmp'ing it
	serial: imx: fix error handling in console_setup
	i2c: imx: don't print error message on probe defer
	lockd: fix decoding of TEST results
	ASoC: rsnd: tidyup registering method for rsnd_kctrl_new()
	ARM: dts: sun5i: a10s: Fix HDMI output DTC warning
	ARM: dts: sun8i: v3s: Change pinctrl nodes to avoid warning
	dlm: NULL check before kmem_cache_destroy is not needed
	ARM: debug: enable UART1 for socfpga Cyclone5
	nfsd: fix a warning in __cld_pipe_upcall()
	ASoC: au8540: use 64-bit arithmetic instead of 32-bit
	ARM: OMAP1/2: fix SoC name printing
	arm64: dts: meson-gxl-libretech-cc: fix GPIO lines names
	arm64: dts: meson-gxbb-nanopi-k2: fix GPIO lines names
	arm64: dts: meson-gxbb-odroidc2: fix GPIO lines names
	arm64: dts: meson-gxl-khadas-vim: fix GPIO lines names
	net/x25: fix called/calling length calculation in x25_parse_address_block
	net/x25: fix null_x25_address handling
	ARM: dts: mmp2: fix the gpio interrupt cell number
	ARM: dts: realview-pbx: Fix duplicate regulator nodes
	tcp: fix off-by-one bug on aborting window-probing socket
	tcp: fix SNMP under-estimation on failed retransmission
	tcp: fix SNMP TCP timeout under-estimation
	modpost: skip ELF local symbols during section mismatch check
	kbuild: fix single target build for external module
	mtd: fix mtd_oobavail() incoherent returned value
	ARM: dts: pxa: clean up USB controller nodes
	clk: sunxi-ng: h3/h5: Fix CSI_MCLK parent
	ARM: dts: realview: Fix some more duplicate regulator nodes
	dlm: fix invalid cluster name warning
	net/mlx4_core: Fix return codes of unsupported operations
	pstore/ram: Avoid NULL deref in ftrace merging failure path
	powerpc/math-emu: Update macros from GCC
	clk: renesas: r8a77995: Correct parent clock of DU
	MIPS: OCTEON: cvmx_pko_mem_debug8: use oldest forward compatible definition
	nfsd: Return EPERM, not EACCES, in some SETATTR cases
	tty: Don't block on IO when ldisc change is pending
	media: stkwebcam: Bugfix for wrong return values
	firmware: qcom: scm: fix compilation error when disabled
	mlxsw: spectrum_router: Relax GRE decap matching check
	IB/hfi1: Ignore LNI errors before DC8051 transitions to Polling state
	IB/hfi1: Close VNIC sdma_progress sleep window
	mlx4: Use snprintf instead of complicated strcpy
	usb: mtu3: fix dbginfo in qmu_tx_zlp_error_handler
	ARM: dts: sunxi: Fix PMU compatible strings
	media: vimc: fix start stream when link is disabled
	net: aquantia: fix RSS table and key sizes
	tcp: exit if nothing to retransmit on RTO timeout
	sched/fair: Scale bandwidth quota and period without losing quota/period ratio precision
	fuse: verify nlink
	fuse: verify attributes
	ALSA: hda/realtek - Dell headphone has noise on unmute for ALC236
	ALSA: pcm: oss: Avoid potential buffer overflows
	ALSA: hda - Add mute led support for HP ProBook 645 G4
	Input: synaptics - switch another X1 Carbon 6 to RMI/SMbus
	Input: synaptics-rmi4 - re-enable IRQs in f34v7_do_reflash
	Input: synaptics-rmi4 - don't increment rmiaddr for SMBus transfers
	Input: goodix - add upside-down quirk for Teclast X89 tablet
	coresight: etm4x: Fix input validation for sysfs.
	Input: Fix memory leak in psxpad_spi_probe
	x86/PCI: Avoid AMD FCH XHCI USB PME# from D0 defect
	CIFS: Fix NULL-pointer dereference in smb2_push_mandatory_locks
	CIFS: Fix SMB2 oplock break processing
	tty: vt: keyboard: reject invalid keycodes
	can: slcan: Fix use-after-free Read in slcan_open
	kernfs: fix ino wrap-around detection
	jbd2: Fix possible overflow in jbd2_log_space_left()
	drm/i810: Prevent underflow in ioctl
	KVM: arm/arm64: vgic: Don't rely on the wrong pending table
	KVM: x86: do not modify masked bits of shared MSRs
	KVM: x86: fix presentation of TSX feature in ARCH_CAPABILITIES
	crypto: crypto4xx - fix double-free in crypto4xx_destroy_sdr
	crypto: af_alg - cast ki_complete ternary op to int
	crypto: ccp - fix uninitialized list head
	crypto: ecdh - fix big endian bug in ECC library
	crypto: user - fix memory leak in crypto_report
	spi: atmel: Fix CS high support
	RDMA/qib: Validate ->show()/store() callbacks before calling them
	iomap: Fix pipe page leakage during splicing
	thermal: Fix deadlock in thermal thermal_zone_device_check
	binder: Handle start==NULL in binder_update_page_range()
	ASoC: rsnd: fixup MIX kctrl registration
	KVM: x86: fix out-of-bounds write in KVM_GET_EMULATED_CPUID (CVE-2019-19332)
	appletalk: Fix potential NULL pointer dereference in unregister_snap_client
	appletalk: Set error code if register_snap_client failed
	usb: gadget: configfs: Fix missing spin_lock_init()
	usb: gadget: pch_udc: fix use after free
	scsi: qla2xxx: Fix driver unload hang
	media: venus: remove invalid compat_ioctl32 handler
	USB: uas: honor flag to avoid CAPACITY16
	USB: uas: heed CAPACITY_HEURISTICS
	USB: documentation: flags on usb-storage versus UAS
	usb: Allow USB device to be warm reset in suspended state
	staging: rtl8188eu: fix interface sanity check
	staging: rtl8712: fix interface sanity check
	staging: gigaset: fix general protection fault on probe
	staging: gigaset: fix illegal free on probe errors
	staging: gigaset: add endpoint-type sanity check
	usb: xhci: only set D3hot for pci device
	xhci: Increase STS_HALT timeout in xhci_suspend()
	xhci: handle some XHCI_TRUST_TX_LENGTH quirks cases as default behaviour.
	ARM: dts: pandora-common: define wl1251 as child node of mmc3
	iio: humidity: hdc100x: fix IIO_HUMIDITYRELATIVE channel reporting
	USB: atm: ueagle-atm: add missing endpoint check
	USB: idmouse: fix interface sanity checks
	USB: serial: io_edgeport: fix epic endpoint lookup
	USB: adutux: fix interface sanity check
	usb: core: urb: fix URB structure initialization function
	usb: mon: Fix a deadlock in usbmon between mmap and read
	tpm: add check after commands attribs tab allocation
	mtd: spear_smi: Fix Write Burst mode
	virtio-balloon: fix managed page counts when migrating pages between zones
	usb: dwc3: ep0: Clear started flag on completion
	btrfs: check page->mapping when loading free space cache
	btrfs: use refcount_inc_not_zero in kill_all_nodes
	Btrfs: fix negative subv_writers counter and data space leak after buffered write
	btrfs: Remove btrfs_bio::flags member
	Btrfs: send, skip backreference walking for extents with many references
	btrfs: record all roots for rename exchange on a subvol
	rtlwifi: rtl8192de: Fix missing code to retrieve RX buffer address
	rtlwifi: rtl8192de: Fix missing callback that tests for hw release of buffer
	rtlwifi: rtl8192de: Fix missing enable interrupt flag
	lib: raid6: fix awk build warnings
	ovl: relax WARN_ON() on rename to self
	ALSA: hda - Fix pending unsol events at shutdown
	md/raid0: Fix an error message in raid0_make_request()
	watchdog: aspeed: Fix clock behaviour for ast2600
	hwrng: omap - Fix RNG wait loop timeout
	dm zoned: reduce overhead of backing device checks
	workqueue: Fix spurious sanity check failures in destroy_workqueue()
	workqueue: Fix pwq ref leak in rescuer_thread()
	ASoC: Jack: Fix NULL pointer dereference in snd_soc_jack_report
	blk-mq: avoid sysfs buffer overflow with too many CPU cores
	cgroup: pids: use atomic64_t for pids->limit
	ar5523: check NULL before memcpy() in ar5523_cmd()
	s390/mm: properly clear _PAGE_NOEXEC bit when it is not supported
	media: bdisp: fix memleak on release
	media: radio: wl1273: fix interrupt masking on release
	media: cec.h: CEC_OP_REC_FLAG_ values were swapped
	cpuidle: Do not unset the driver if it is there already
	intel_th: Fix a double put_device() in error path
	intel_th: pci: Add Ice Lake CPU support
	intel_th: pci: Add Tiger Lake CPU support
	PM / devfreq: Lock devfreq in trans_stat_show
	cpufreq: powernv: fix stack bloat and hard limit on number of CPUs
	ACPI: OSL: only free map once in osl.c
	ACPI: bus: Fix NULL pointer check in acpi_bus_get_private_data()
	ACPI: PM: Avoid attaching ACPI PM domain to certain devices
	pinctrl: samsung: Add of_node_put() before return in error path
	pinctrl: samsung: Fix device node refcount leaks in S3C24xx wakeup controller init
	pinctrl: samsung: Fix device node refcount leaks in init code
	pinctrl: samsung: Fix device node refcount leaks in S3C64xx wakeup controller init
	mmc: host: omap_hsmmc: add code for special init of wl1251 to get rid of pandora_wl1251_init_card
	ARM: dts: omap3-tao3530: Fix incorrect MMC card detection GPIO polarity
	ppdev: fix PPGETTIME/PPSETTIME ioctls
	powerpc: Allow 64bit VDSO __kernel_sync_dicache to work across ranges >4GB
	powerpc/xive: Prevent page fault issues in the machine crash handler
	powerpc: Allow flush_icache_range to work across ranges >4GB
	powerpc/xive: Skip ioremap() of ESB pages for LSI interrupts
	video/hdmi: Fix AVI bar unpack
	quota: Check that quota is not dirty before release
	ext2: check err when partial != NULL
	quota: fix livelock in dquot_writeback_dquots
	ext4: Fix credit estimate for final inode freeing
	reiserfs: fix extended attributes on the root directory
	block: fix single range discard merge
	scsi: zfcp: trace channel log even for FCP command responses
	scsi: qla2xxx: Fix DMA unmap leak
	scsi: qla2xxx: Fix session lookup in qlt_abort_work()
	scsi: qla2xxx: Fix qla24xx_process_bidir_cmd()
	scsi: qla2xxx: Always check the qla2x00_wait_for_hba_online() return value
	scsi: qla2xxx: Fix message indicating vectors used by driver
	xhci: Fix memory leak in xhci_add_in_port()
	xhci: make sure interrupts are restored to correct state
	iio: adis16480: Add debugfs_reg_access entry
	phy: renesas: rcar-gen3-usb2: Fix sysfs interface of "role"
	omap: pdata-quirks: remove openpandora quirks for mmc3 and wl1251
	scsi: lpfc: Cap NPIV vports to 256
	scsi: lpfc: Correct code setting non existent bits in sli4 ABORT WQE
	drbd: Change drbd_request_detach_interruptible's return type to int
	e100: Fix passing zero to 'PTR_ERR' warning in e100_load_ucode_wait
	x86/MCE/AMD: Turn off MC4_MISC thresholding on all family 0x15 models
	x86/MCE/AMD: Carve out the MC4_MISC thresholding quirk
	power: supply: cpcap-battery: Fix signed counter sample register
	mlxsw: spectrum_router: Refresh nexthop neighbour when it becomes dead
	media: vimc: fix component match compare
	ath10k: fix fw crash by moving chip reset after napi disabled
	powerpc: Avoid clang warnings around setjmp and longjmp
	powerpc: Fix vDSO clock_getres()
	ext4: work around deleting a file with i_nlink == 0 safely
	firmware: qcom: scm: Ensure 'a0' status code is treated as signed
	mm/shmem.c: cast the type of unmap_start to u64
	ext4: fix a bug in ext4_wait_for_tail_page_commit
	mfd: rk808: Fix RK818 ID template
	blk-mq: make sure that line break can be printed
	workqueue: Fix missing kfree(rescuer) in destroy_workqueue()
	sunrpc: fix crash when cache_head become valid before update
	net/mlx5e: Fix SFF 8472 eeprom length
	gfs2: fix glock reference problem in gfs2_trans_remove_revoke
	kernel/module.c: wakeup processes in module_wq on module unload
	gpiolib: acpi: Add Terra Pad 1061 to the run_edge_events_on_boot_blacklist
	raid5: need to set STRIPE_HANDLE for batch head
	of: unittest: fix memory leak in attach_node_and_children
	Linux 4.14.159

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2019-12-17 21:13:36 +01:00
J. Bruce Fields
43e4008bc7 lockd: fix decoding of TEST results
[ Upstream commit b8db159239b3f51e2b909859935cc25cb3ff3eed ]

We fail to advance the read pointer when reading the stat.oh field that
identifies the lock-holder in a TEST result.

This turns out not to matter if the server is knfsd, which always
returns a zero-length field.  But other servers (Ganesha is an example)
may not do this.  The result is bad values in fcntl F_GETLK results.

Fix this.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-12-17 20:38:15 +01:00
Greg Kroah-Hartman
225970c2e8 This is the 4.14.124 stable release
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Merge 4.14.124 into android-4.14

Changes in 4.14.124
	inet: switch IP ID generator to siphash
	ipv6: Consider sk_bound_dev_if when binding a raw socket to an address
	llc: fix skb leak in llc_build_and_send_ui_pkt()
	net: fec: fix the clk mismatch in failed_reset path
	net-gro: fix use-after-free read in napi_gro_frags()
	net: stmmac: fix reset gpio free missing
	usbnet: fix kernel crash after disconnect
	tipc: Avoid copying bytes beyond the supplied data
	net/mlx5: Allocate root ns memory using kzalloc to match kfree
	bnxt_en: Fix aggregation buffer leak under OOM condition.
	ipv4/igmp: fix another memory leak in igmpv3_del_delrec()
	ipv4/igmp: fix build error if !CONFIG_IP_MULTICAST
	net: dsa: mv88e6xxx: fix handling of upper half of STATS_TYPE_PORT
	net: mvneta: Fix err code path of probe
	net: mvpp2: fix bad MVPP2_TXQ_SCHED_TOKEN_CNTR_REG queue value
	net: phy: marvell10g: report if the PHY fails to boot firmware
	crypto: vmx - ghash: do nosimd fallback manually
	xen/pciback: Don't disable PCI_COMMAND on PCI device reset.
	Revert "tipc: fix modprobe tipc failed after switch order of device registration"
	tipc: fix modprobe tipc failed after switch order of device registration
	sparc64: Fix regression in non-hypervisor TLB flush xcall
	include/linux/bitops.h: sanitize rotate primitives
	xhci: update bounce buffer with correct sg num
	xhci: Use %zu for printing size_t type
	xhci: Convert xhci_handshake() to use readl_poll_timeout_atomic()
	usb: xhci: avoid null pointer deref when bos field is NULL
	usbip: usbip_host: fix BUG: sleeping function called from invalid context
	usbip: usbip_host: fix stub_dev lock context imbalance regression
	USB: Fix slab-out-of-bounds write in usb_get_bos_descriptor
	USB: sisusbvga: fix oops in error path of sisusb_probe
	USB: Add LPM quirk for Surface Dock GigE adapter
	USB: rio500: refuse more than one device at a time
	USB: rio500: fix memory leak in close after disconnect
	media: usb: siano: Fix general protection fault in smsusb
	media: usb: siano: Fix false-positive "uninitialized variable" warning
	media: smsusb: better handle optional alignment
	scsi: zfcp: fix missing zfcp_port reference put on -EBUSY from port_remove
	scsi: zfcp: fix to prevent port_remove with pure auto scan LUNs (only sdevs)
	Btrfs: fix wrong ctime and mtime of a directory after log replay
	Btrfs: fix race updating log root item during fsync
	Btrfs: fix fsync not persisting changed attributes of a directory
	Btrfs: incremental send, fix file corruption when no-holes feature is enabled
	KVM: PPC: Book3S HV: XIVE: Do not clear IRQ data of passthrough interrupts
	powerpc/perf: Fix MMCRA corruption by bhrb_filter
	ALSA: hda/realtek - Set default power save node to 0
	KVM: s390: Do not report unusabled IDs via KVM_CAP_MAX_VCPU_ID
	drm/nouveau/i2c: Disable i2c bus access after ->fini()
	tty: serial: msm_serial: Fix XON/XOFF
	tty: max310x: Fix external crystal register setup
	memcg: make it work on sparse non-0-node systems
	kernel/signal.c: trace_signal_deliver when signal_group_exit
	docs: Fix conf.py for Sphinx 2.0
	doc: Cope with the deprecation of AutoReporter
	doc: Cope with Sphinx logging deprecations
	ima: show rules with IMA_INMASK correctly
	serial: sh-sci: disable DMA for uart_console
	staging: vc04_services: prevent integer overflow in create_pagelist()
	staging: wlan-ng: fix adapter initialization failure
	CIFS: cifs_read_allocate_pages: don't iterate through whole page array on ENOMEM
	Revert "lockd: Show pid of lockd for remote locks"
	gcc-plugins: Fix build failures under Darwin host
	drm/vmwgfx: Don't send drm sysfs hotplug events on initial master set
	drm/rockchip: shutdown drm subsystem on shutdown
	Compiler Attributes: add support for __copy (gcc >= 9)
	include/linux/module.h: copy __init/__exit attrs to init/cleanup_module
	Revert "x86/build: Move _etext to actual end of .text"
	Revert "binder: fix handling of misaligned binder object"
	binder: fix race between munmap() and direct reclaim
	media: uvcvideo: Fix uvc_alloc_entity() allocation alignment
	Linux 4.14.124

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2019-06-09 09:27:43 +02:00
Benjamin Coddington
3420dcefab Revert "lockd: Show pid of lockd for remote locks"
commit 141731d15d6eb2fd9aaefbf9b935ce86ae243074 upstream.

This reverts most of commit b8eee0e90f97 ("lockd: Show pid of lockd for
remote locks"), which caused remote locks to not be differentiated between
remote processes for NLM.

We retain the fixup for setting the client's fl_pid to a negative value.

Fixes: b8eee0e90f97 ("lockd: Show pid of lockd for remote locks")
Cc: stable@vger.kernel.org

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Reviewed-by: XueWei Zhang <xueweiz@google.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-09 09:18:18 +02:00
Greg Kroah-Hartman
da2880fa47 This is the 4.14.93 stable release
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Merge 4.14.93 into android-4.14

Changes in 4.14.93
	pinctrl: meson: fix pull enable register calculation
	powerpc: Fix COFF zImage booting on old powermacs
	powerpc/mm: Fix linux page tables build with some configs
	HID: ite: Add USB id match for another ITE based keyboard rfkill key quirk
	ARM: imx: update the cpu power up timing setting on i.mx6sx
	ARM: dts: imx7d-nitrogen7: Fix the description of the Wifi clock
	Input: restore EV_ABS ABS_RESERVED
	checkstack.pl: fix for aarch64
	xfrm: Fix error return code in xfrm_output_one()
	xfrm: Fix bucket count reported to userspace
	xfrm: Fix NULL pointer dereference in xfrm_input when skb_dst_force clears the dst_entry.
	netfilter: seqadj: re-load tcp header pointer after possible head reallocation
	scsi: bnx2fc: Fix NULL dereference in error handling
	Input: omap-keypad - fix idle configuration to not block SoC idle states
	Input: synaptics - enable RMI on ThinkPad T560
	ibmvnic: Fix non-atomic memory allocation in IRQ context
	ieee802154: ca8210: fix possible u8 overflow in ca8210_rx_done
	x86/mm: Fix guard hole handling
	x86/dump_pagetables: Fix LDT remap address marker
	i40e: fix mac filter delete when setting mac address
	netfilter: ipset: do not call ipset_nest_end after nla_nest_cancel
	netfilter: nat: can't use dst_hold on noref dst
	bnx2x: Clear fip MAC when fcoe offload support is disabled
	bnx2x: Remove configured vlans as part of unload sequence.
	bnx2x: Send update-svid ramrod with retry/poll flags enabled
	scsi: target: iscsi: cxgbit: fix csk leak
	scsi: target: iscsi: cxgbit: add missing spin_lock_init()
	x86, hyperv: remove PCI dependency
	drivers: net: xgene: Remove unnecessary forward declarations
	w90p910_ether: remove incorrect __init annotation
	net: hns: Incorrect offset address used for some registers.
	net: hns: All ports can not work when insmod hns ko after rmmod.
	net: hns: Some registers use wrong address according to the datasheet.
	net: hns: Fixed bug that netdev was opened twice
	net: hns: Clean rx fbd when ae stopped.
	net: hns: Free irq when exit from abnormal branch
	net: hns: Avoid net reset caused by pause frames storm
	net: hns: Fix ntuple-filters status error.
	net: hns: Add mac pcs config when enable|disable mac
	net: hns: Fix ping failed when use net bridge and send multicast
	SUNRPC: Fix a race with XPRT_CONNECTING
	qed: Fix an error code qed_ll2_start_xmit()
	net: macb: fix random memory corruption on RX with 64-bit DMA
	net: macb: fix dropped RX frames due to a race
	lan78xx: Resolve issue with changing MAC address
	vxge: ensure data0 is initialized in when fetching firmware version information
	mac80211: free skb fraglist before freeing the skb
	kbuild: fix false positive warning/error about missing libelf
	virtio: fix test build after uio.h change
	gpio: mvebu: only fail on missing clk if pwm is actually to be used
	Input: synaptics - enable SMBus for HP EliteBook 840 G4
	net: netxen: fix a missing check and an uninitialized use
	qmi_wwan: Fix qmap header retrieval in qmimux_rx_fixup
	serial/sunsu: fix refcount leak
	scsi: zfcp: fix posting too many status read buffers leading to adapter shutdown
	scsi: lpfc: do not set queue->page_count to 0 if pc_sli4_params.wqpcnt is invalid
	genirq/affinity: Don't return with empty affinity masks on error
	tools: fix cross-compile var clobbering
	fork: record start_time late
	zram: fix double free backing device
	hwpoison, memory_hotplug: allow hwpoisoned pages to be offlined
	mm, devm_memremap_pages: mark devm_memremap_pages() EXPORT_SYMBOL_GPL
	mm, devm_memremap_pages: kill mapping "System RAM" support
	mm, hmm: use devm semantics for hmm_devmem_{add, remove}
	mm, hmm: mark hmm_devmem_{add, add_resource} EXPORT_SYMBOL_GPL
	mm, swap: fix swapoff with KSM pages
	sunrpc: fix cache_head leak due to queued request
	sunrpc: use SVC_NET() in svcauth_gss_* functions
	powerpc: avoid -mno-sched-epilog on GCC 4.9 and newer
	powerpc: Disable -Wbuiltin-requires-header when setjmp is used
	ftrace: Build with CPPFLAGS to get -Qunused-arguments
	md: raid10: remove VLAIS
	kbuild: add -no-integrated-as Clang option unconditionally
	kbuild: consolidate Clang compiler flags
	Makefile: Export clang toolchain variables
	powerpc/boot: Set target when cross-compiling for clang
	raid6/ppc: Fix build for clang
	vhost/vsock: fix uninitialized vhost_vsock->guest_cid
	dm verity: fix crash on bufio buffer that was allocated with vmalloc
	dm zoned: Fix target BIO completion handling
	ALSA: cs46xx: Potential NULL dereference in probe
	ALSA: usb-audio: Avoid access before bLength check in build_audio_procunit()
	ALSA: usb-audio: Fix an out-of-bound read in create_composite_quirks
	dlm: fixed memory leaks after failed ls_remove_names allocation
	dlm: possible memory leak on error path in create_lkb()
	dlm: lost put_lkb on error path in receive_convert() and receive_unlock()
	dlm: memory leaks on error path in dlm_user_request()
	gfs2: Get rid of potential double-freeing in gfs2_create_inode
	gfs2: Fix loop in gfs2_rbm_find
	b43: Fix error in cordic routine
	selinux: policydb - fix byte order and alignment issues
	lockd: Show pid of lockd for remote locks
	scripts/kallsyms: filter arm64's __efistub_ symbols
	arm64: drop linker script hack to hide __efistub_ symbols
	arm64: relocatable: fix inconsistencies in linker script and options
	powerpc/tm: Set MSR[TS] just prior to recheckpoint
	9p/net: put a lower bound on msize
	rxe: fix error completion wr_id and qp_num
	iommu/vt-d: Handle domain agaw being less than iommu agaw
	sched/fair: Fix infinite loop in update_blocked_averages() by reverting a9e7f6544b9c
	ceph: don't update importing cap's mseq when handing cap export
	genwqe: Fix size check
	intel_th: msu: Fix an off-by-one in attribute store
	power: supply: olpc_battery: correct the temperature units
	lib: fix build failure in CONFIG_DEBUG_VIRTUAL test
	drm/vc4: Set ->is_yuv to false when num_planes == 1
	bnx2x: Fix NULL pointer dereference in bnx2x_del_all_vlans() on some hw
	tools: power/acpi, revert to LD = gcc
	Linux 4.14.93

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2019-01-13 10:30:02 +01:00
Benjamin Coddington
01b79d2000 lockd: Show pid of lockd for remote locks
commit b8eee0e90f9797b747113638bc75e739b192ad38 upstream.

Commit 9d5b86ac13c5 ("fs/locks: Remove fl_nspid and use fs-specific l_pid
for remote locks") specified that the l_pid returned for F_GETLK on a local
file that has a remote lock should be the pid of the lock manager process.
That commit, while updating other filesystems, failed to update lockd, such
that locks created by lockd had their fl_pid set to that of the remote
process holding the lock.  Fix that here to be the pid of lockd.

Also, fix the client case so that the returned lock pid is negative, which
indicates a remote lock on a remote file.

Fixes: 9d5b86ac13c5 ("fs/locks: Remove fl_nspid and use fs-specific...")
Cc: stable@vger.kernel.org

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-13 10:01:06 +01:00
Greg Kroah-Hartman
4e76528bd4 This is the 4.14.81 stable release
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Merge 4.14.81 into android-4.14

Changes in 4.14.81
	mtd: spi-nor: fsl-quadspi: fix read error for flash size larger than 16MB
	spi: bcm-qspi: switch back to reading flash using smaller chunks
	bcache: trace missed reading by cache_missed
	bcache: fix miss key refill->end in writeback
	hwmon: (pmbus) Fix page count auto-detection.
	jffs2: free jffs2_sb_info through jffs2_kill_sb()
	cpufreq: conservative: Take limits changes into account properly
	pcmcia: Implement CLKRUN protocol disabling for Ricoh bridges
	ipmi: Fix timer race with module unload
	parisc: Fix address in HPMC IVA
	parisc: Fix map_pages() to not overwrite existing pte entries
	parisc: Fix exported address of os_hpmc handler
	ALSA: hda - Add quirk for ASUS G751 laptop
	ALSA: hda - Fix headphone pin config for ASUS G751
	ALSA: hda/realtek - Fix the problem of the front MIC on the Lenovo M715
	ALSA: hda - Add mic quirk for the Lenovo G50-30 (17aa:3905)
	ALSA: ca0106: Disable IZD on SB0570 DAC to fix audio pops
	x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation
	x86/xen: Fix boot loader version reported for PVH guests
	x86/corruption-check: Fix panic in memory_corruption_check() when boot option without value is provided
	x86/mm/pat: Disable preemption around __flush_tlb_all()
	x86/speculation: Support Enhanced IBRS on future CPUs
	ARM: dts: exynos: Disable pull control for MAX8997 interrupts on Origen
	bpf: do not blindly change rlimit in reuseport net selftest
	Revert "perf tools: Fix PMU term format max value calculation"
	xfrm: policy: use hlist rcu variants on insert
	perf vendor events intel: Fix wrong filter_band* values for uncore events
	sparc: Fix single-pcr perf event counter management.
	sparc: Throttle perf events properly.
	sparc64: Make proc_id signed.
	sched/fair: Fix the min_vruntime update logic in dequeue_entity()
	perf tools: Fix use of alternatives to find JDIR
	perf cpu_map: Align cpu map synthesized events properly.
	x86/fpu: Remove second definition of fpu in __fpu__restore_sig()
	net: qla3xxx: Remove overflowing shift statement
	selftests: ftrace: Add synthetic event syntax testcase
	i2c: rcar: cleanup DMA for all kinds of failure
	locking/lockdep: Fix debug_locks off performance problem
	ataflop: fix error handling during setup
	swim: fix cleanup on setup error
	nfp: devlink port split support for 1x100G CXP NIC
	tun: Consistently configure generic netdev params via rtnetlink
	s390/sthyi: Fix machine name validity indication
	hwmon: (pwm-fan) Set fan speed to 0 on suspend
	lightnvm: pblk: fix two sleep-in-atomic-context bugs
	spi: spi-ep93xx: Use dma_data_direction for ep93xx_spi_dma_{finish,prepare}
	perf tools: Free temporary 'sys' string in read_event_files()
	perf tools: Cleanup trace-event-info 'tdata' leak
	perf strbuf: Match va_{add,copy} with va_end
	cpupower: Fix coredump on VMWare
	mmc: sdhci-pci-o2micro: Add quirk for O2 Micro dev 0x8620 rev 0x01
	iwlwifi: pcie: avoid empty free RB queue
	iwlwifi: mvm: clear HW_RESTART_REQUESTED when stopping the interface
	x86/olpc: Indicate that legacy PC XO-1 platform should not register RTC
	ACPI / processor: Fix the return value of acpi_processor_ids_walk()
	cpufreq: dt: Try freeing static OPPs only if we have added them
	mtd: rawnand: atmel: Fix potential NULL pointer dereference
	signal: Introduce COMPAT_SIGMINSTKSZ for use in compat_sys_sigaltstack
	Bluetooth: btbcm: Add entry for BCM4335C0 UART bluetooth
	x86: boot: Fix EFI stub alignment
	pinctrl: qcom: spmi-mpp: Fix err handling of pmic_mpp_set_mux
	brcmfmac: fix for proper support of 160MHz bandwidth
	net: phy: phylink: ensure the carrier is off when starting phylink
	block, bfq: correctly charge and reset entity service in all cases
	kprobes: Return error if we fail to reuse kprobe instead of BUG_ON()
	ACPI / LPSS: Add alternative ACPI HIDs for Cherry Trail DMA controllers
	pinctrl: qcom: spmi-mpp: Fix drive strength setting
	pinctrl: spmi-mpp: Fix pmic_mpp_config_get() to be compliant
	pinctrl: ssbi-gpio: Fix pm8xxx_pin_config_get() to be compliant
	net: dsa: mv88e6xxx: Fix writing to a PHY page.
	iwlwifi: mvm: fix BAR seq ctrl reporting
	ixgbevf: VF2VF TCP RSS
	ath10k: schedule hardware restart if WMI command times out
	thermal: da9062/61: Prevent hardware access during system suspend
	cgroup, netclassid: add a preemption point to write_classid
	scsi: esp_scsi: Track residual for PIO transfers
	UAPI: ndctl: Fix g++-unsupported initialisation in headers
	KVM: nVMX: Clear reserved bits of #DB exit qualification
	scsi: megaraid_sas: fix a missing-check bug
	RDMA/core: Do not expose unsupported counters
	IB/ipoib: Clear IPCB before icmp_send
	RDMA/bnxt_re: Fix recursive lock warning in debug kernel
	usb: host: ohci-at91: fix request of irq for optional gpio
	PCI: mediatek: Fix mtk_pcie_find_port() endpoint/port matching logic
	tpm: suppress transmit cmd error logs when TPM 1.2 is disabled/deactivated
	Drivers: hv: vmbus: Use cpumask_var_t for on-stack cpu mask
	VMCI: Resource wildcard match fixed
	PCI / ACPI: Enable wake automatically for power managed bridges
	usb: gadget: udc: atmel: handle at91sam9rl PMC
	ext4: fix argument checking in EXT4_IOC_MOVE_EXT
	MD: fix invalid stored role for a disk
	f2fs: fix to recover inode's i_flags during POR
	PCI/MSI: Warn and return error if driver enables MSI/MSI-X twice
	coresight: etb10: Fix handling of perf mode
	PCI: dwc: pci-dra7xx: Enable errata i870 for both EP and RC mode
	crypto: caam - fix implicit casts in endianness helpers
	usb: chipidea: Prevent unbalanced IRQ disable
	driver/dma/ioat: Call del_timer_sync() without holding prep_lock
	uio: ensure class is registered before devices
	scsi: lpfc: Correct soft lockup when running mds diagnostics
	scsi: lpfc: Correct race with abort on completion path
	f2fs: report error if quota off error during umount
	signal: Always deliver the kernel's SIGKILL and SIGSTOP to a pid namespace init
	mfd: menelaus: Fix possible race condition and leak
	dmaengine: dma-jz4780: Return error if not probed from DT
	IB/rxe: fix for duplicate request processing and ack psns
	ALSA: hda: Check the non-cached stream buffers more explicitly
	cpupower: Fix AMD Family 0x17 msr_pstate size
	Revert "f2fs: fix to clear PG_checked flag in set_page_dirty()"
	f2fs: fix to account IO correctly
	ARM: dts: exynos: Remove "cooling-{min|max}-level" for CPU nodes
	arm: dts: exynos: Add missing cooling device properties for CPUs
	ARM: dts: exynos: Convert exynos5250.dtsi to opp-v2 bindings
	ARM: dts: exynos: Mark 1 GHz CPU OPP as suspend OPP on Exynos5250
	xen-swiotlb: use actually allocated size on check physical continuous
	tpm: Restore functionality to xen vtpm driver.
	xen/blkfront: avoid NULL blkfront_info dereference on device removal
	xen/balloon: Support xend-based toolstack
	xen: fix race in xen_qlock_wait()
	xen: make xen_qlock_wait() nestable
	xen/pvh: increase early stack size
	xen/pvh: don't try to unplug emulated devices
	libertas: don't set URB_ZERO_PACKET on IN USB transfer
	usbip:vudc: BUG kmalloc-2048 (Not tainted): Poison overwritten
	usb: gadget: udc: renesas_usb3: Fix b-device mode for "workaround"
	iwlwifi: mvm: check return value of rs_rate_from_ucode_rate()
	net/ipv4: defensive cipso option parsing
	dmaengine: ppc4xx: fix off-by-one build failure
	dmaengine: stm32-dma: fix incomplete configuration in cyclic mode
	libnvdimm: Hold reference on parent while scheduling async init
	libnvdimm, region: Fail badblocks listing for inactive regions
	ASoC: intel: skylake: Add missing break in skl_tplg_get_token()
	IB/mlx5: Fix MR cache initialization
	jbd2: fix use after free in jbd2_log_do_checkpoint()
	gfs2_meta: ->mount() can get NULL dev_name
	ext4: initialize retries variable in ext4_da_write_inline_data_begin()
	ext4: fix setattr project check in fssetxattr ioctl
	ext4: propagate error from dquot_initialize() in EXT4_IOC_FSSETXATTR
	ext4: fix use-after-free race in ext4_remount()'s error path
	HID: hiddev: fix potential Spectre v1
	EDAC, amd64: Add Family 17h, models 10h-2fh support
	EDAC, {i7core,sb,skx}_edac: Fix uncorrected error counting
	EDAC, skx_edac: Fix logical channel intermediate decoding
	ARM: dts: dra7: Fix up unaligned access setting for PCIe EP
	PCI/ASPM: Fix link_state teardown on device removal
	PCI: Add Device IDs for Intel GPU "spurious interrupt" quirk
	PCI: vmd: White list for fast interrupt handlers
	signal/GenWQE: Fix sending of SIGKILL
	signal: Guard against negative signal numbers in copy_siginfo_from_user32
	crypto: lrw - Fix out-of bounds access on counter overflow
	crypto: tcrypt - fix ghash-generic speed test
	mm: /proc/pid/smaps_rollup: fix NULL pointer deref in smaps_pte_range()
	ima: fix showing large 'violations' or 'runtime_measurements_count'
	hugetlbfs: dirty pages as they are added to pagecache
	mm/rmap: map_pte() was not handling private ZONE_DEVICE page properly
	KVM: arm64: Fix caching of host MDCR_EL2 value
	kbuild: fix kernel/bounds.c 'W=1' warning
	iio: ad5064: Fix regulator handling
	iio: adc: imx25-gcq: Fix leak of device_node in mx25_gcq_setup_cfgs()
	iio: adc: at91: fix acking DRDY irq on simple conversions
	iio: adc: at91: fix wrong channel number in triggered buffer mode
	w1: omap-hdq: fix missing bus unregister at removal
	smb3: allow stats which track session and share reconnects to be reset
	smb3: do not attempt cifs operation in smb3 query info error path
	smb3: on kerberos mount if server doesn't specify auth type use krb5
	printk: Fix panic caused by passing log_buf_len to command line
	genirq: Fix race on spurious interrupt detection
	NFSv4.1: Fix the r/wsize checking
	nfs: Fix a missed page unlock after pg_doio()
	nfsd: Fix an Oops in free_session()
	lockd: fix access beyond unterminated strings in prints
	dm ioctl: harden copy_params()'s copy_from_user() from malicious users
	dm zoned: fix metadata block ref counting
	dm zoned: fix various dmz_get_mblock() issues
	powerpc/msi: Fix compile error on mpc83xx
	MIPS: OCTEON: fix out of bounds array access on CN68XX
	iommu/arm-smmu: Ensure that page-table updates are visible before TLBI
	TC: Set DMA masks for devices
	media: v4l2-tpg: fix kernel oops when enabling HFLIP and OSD
	kgdboc: Passing ekgdboc to command line causes panic
	xen: fix xen_qlock_wait()
	xen-blkfront: fix kernel panic with negotiate_mq error path
	media: em28xx: use a default format if TRY_FMT fails
	media: tvp5150: avoid going past array on v4l2_querymenu()
	media: em28xx: fix input name for Terratec AV 350
	media: em28xx: make v4l2-compliance happier by starting sequence on zero
	media: media colorspaces*.rst: rename AdobeRGB to opRGB
	arm64: lse: remove -fcall-used-x0 flag
	rpmsg: smd: fix memory leak on channel create
	Cramfs: fix abad comparison when wrap-arounds occur
	ARM: dts: socfpga: Fix SDRAM node address for Arria10
	arm64: dts: stratix10: Correct System Manager register size
	soc/tegra: pmc: Fix child-node lookup
	selftests/powerpc: Fix ptrace tm failure
	btrfs: qgroup: Avoid calling qgroup functions if qgroup is not enabled
	btrfs: Handle owner mismatch gracefully when walking up tree
	btrfs: locking: Add extra check in btrfs_init_new_buffer() to avoid deadlock
	btrfs: fix error handling in free_log_tree
	btrfs: Enhance btrfs_trim_fs function to handle error better
	btrfs: Ensure btrfs_trim_fs can trim the whole filesystem
	btrfs: iterate all devices during trim, instead of fs_devices::alloc_list
	btrfs: don't attempt to trim devices that don't support it
	btrfs: wait on caching when putting the bg cache
	btrfs: protect space cache inode alloc with GFP_NOFS
	btrfs: reset max_extent_size on clear in a bitmap
	btrfs: make sure we create all new block groups
	Btrfs: fix warning when replaying log after fsync of a tmpfile
	Btrfs: fix wrong dentries after fsync of file that got its parent replaced
	btrfs: qgroup: Dirty all qgroups before rescan
	Btrfs: fix null pointer dereference on compressed write path error
	Btrfs: fix assertion on fsync of regular file when using no-holes feature
	btrfs: set max_extent_size properly
	btrfs: don't use ctl->free_space for max_extent_size
	btrfs: only free reserved extent if we didn't insert it
	btrfs: don't run delayed_iputs in commit
	btrfs: move the dio_sem higher up the callchain
	Btrfs: fix use-after-free during inode eviction
	Btrfs: fix use-after-free when dumping free space
	Btrfs: fix fsync after hole punching when using no-holes feature
	net: sched: Remove TCA_OPTIONS from policy
	bpf: wait for running BPF programs when updating map-in-map
	MD: fix invalid stored role for a disk - try2
	Linux 4.14.81

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2018-11-14 09:48:19 -08:00
Amir Goldstein
a45ce0e1b9 lockd: fix access beyond unterminated strings in prints
commit 93f38b6fae0ea8987e22d9e6c38f8dfdccd867ee upstream.

printk format used %*s instead of %.*s, so hostname_len does not limit
the number of bytes accessed from hostname.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-13 11:15:10 -08:00
Kees Cook
549b203743 UPSTREAM: treewide: Fix function prototypes for module_param_call()
Several function prototypes for the set/get functions defined by
module_param_call() have a slightly wrong argument types. This fixes
those in an effort to clean up the calls when running under type-enforced
compiler instrumentation for CFI. This is the result of running the
following semantic patch:

@match_module_param_call_function@
declarer name module_param_call;
identifier _name, _set_func, _get_func;
expression _arg, _mode;
@@

 module_param_call(_name, _set_func, _get_func, _arg, _mode);

@fix_set_prototype
 depends on match_module_param_call_function@
identifier match_module_param_call_function._set_func;
identifier _val, _param;
type _val_type, _param_type;
@@

 int _set_func(
-_val_type _val
+const char * _val
 ,
-_param_type _param
+const struct kernel_param * _param
 ) { ... }

@fix_get_prototype
 depends on match_module_param_call_function@
identifier match_module_param_call_function._get_func;
identifier _val, _param;
type _val_type, _param_type;
@@

 int _get_func(
-_val_type _val
+char * _val
 ,
-_param_type _param
+const struct kernel_param * _param
 ) { ... }

Two additional by-hand changes are included for places where the above
Coccinelle script didn't notice them:

	drivers/platform/x86/thinkpad_acpi.c
	fs/lockd/svc.c

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jessica Yu <jeyu@kernel.org>

Bug: 67506682
Change-Id: I2c9c0ee8ed28065e63270a52c155e5e7d2791295
(cherry picked from commit e4dca7b7aa08b22893c45485d222b5807c1375ae)
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
2018-04-25 16:04:04 -07:00
Vasily Averin
156c80d4e1 race of lockd inetaddr notifiers vs nlmsvc_rqst change
[ Upstream commit 6b18dd1c03e07262ea0866084856b2a3c5ba8d09 ]

lockd_inet[6]addr_event use nlmsvc_rqst without taken nlmsvc_mutex,
nlmsvc_rqst can be changed during execution of notifiers and crash the host.

Patch enables access to nlmsvc_rqst only when it was correctly initialized
and delays its cleanup until notifiers are no longer in use.

Note that nlmsvc_rqst can be temporally set to ERR_PTR, so the "if
(nlmsvc_rqst)" check in notifiers is insufficient on its own.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Tested-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-03 17:39:08 +01:00
Vasily Averin
84779085fa lockd: lost rollback of set_grace_period() in lockd_down_net()
commit 3a2b19d1ee5633f76ae8a88da7bc039a5d1732aa upstream.

Commit efda760fe95ea ("lockd: fix lockd shutdown race") is incorrect,
it removes lockd_manager and disarm grace_period_end for init_net only.

If nfsd was started from another net namespace lockd_up_net() calls
set_grace_period() that adds lockd_manager into per-netns list
and queues grace_period_end delayed work.

These action should be reverted in lockd_down_net().
Otherwise it can lead to double list_add on after restart nfsd in netns,
and to use-after-free if non-disarmed delayed work will be executed after netns destroy.

Fixes: efda760fe95e ("lockd: fix lockd shutdown race")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-05 11:26:30 +01:00
Vasily Averin
665e661970 lockd: double unregister of inetaddr notifiers
commit dc3033e16c59a2c4e62b31341258a5786cbcee56 upstream.

lockd_up() can call lockd_unregister_notifiers twice:
inside lockd_start_svc() when it calls lockd_svc_exit_thread()
and then in error path of lockd_up()

Patch forces lockd_start_svc() to unregister notifiers in all error cases
and removes extra unregister in error path of lockd_up().

Fixes: cb7d224f82e4 "lockd: unregister notifier blocks if the service ..."
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-30 08:40:53 +00:00
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
8e7757d83d NFS client updates for Linux 4.14
Hightlights include:
 
 Stable bugfixes:
 - Fix mirror allocation in the writeback code to avoid a use after free
 - Fix the O_DSYNC writes to use the correct byte range
 - Fix 2 use after free issues in the I/O code
 
 Features:
 - Writeback fixes to split up the inode->i_lock in order to reduce contention
 - RPC client receive fixes to reduce the amount of time the
   xprt->transport_lock is held when receiving data from a socket into am
   XDR buffer.
 - Ditto fixes to reduce contention between call side users of the rdma
   rb_lock, and its use in rpcrdma_reply_handler.
 - Re-arrange rdma stats to reduce false cacheline sharing.
 - Various rdma cleanups and optimisations.
 - Refactor the NFSv4.1 exchange id code and clean up the code.
 - Const-ify all instances of struct rpc_xprt_ops
 
 Bugfixes:
 - Fix the NFSv2 'sec=' mount option.
 - NFSv4.1: don't use machine credentials for CLOSE when using 'sec=sys'
 - Fix the NFSv3 GRANT callback when the port changes on the server.
 - Fix livelock issues with COMMIT
 - NFSv4: Use correct inode in _nfs4_opendata_to_nfs4_state() when doing
   and NFSv4.1 open by filehandle.
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Merge tag 'nfs-for-4.14-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Hightlights include:

  Stable bugfixes:
   - Fix mirror allocation in the writeback code to avoid a use after
     free
   - Fix the O_DSYNC writes to use the correct byte range
   - Fix 2 use after free issues in the I/O code

  Features:
   - Writeback fixes to split up the inode->i_lock in order to reduce
     contention
   - RPC client receive fixes to reduce the amount of time the
     xprt->transport_lock is held when receiving data from a socket into
     am XDR buffer.
   - Ditto fixes to reduce contention between call side users of the
     rdma rb_lock, and its use in rpcrdma_reply_handler.
   - Re-arrange rdma stats to reduce false cacheline sharing.
   - Various rdma cleanups and optimisations.
   - Refactor the NFSv4.1 exchange id code and clean up the code.
   - Const-ify all instances of struct rpc_xprt_ops

  Bugfixes:
   - Fix the NFSv2 'sec=' mount option.
   - NFSv4.1: don't use machine credentials for CLOSE when using
     'sec=sys'
   - Fix the NFSv3 GRANT callback when the port changes on the server.
   - Fix livelock issues with COMMIT
   - NFSv4: Use correct inode in _nfs4_opendata_to_nfs4_state() when
     doing and NFSv4.1 open by filehandle"

* tag 'nfs-for-4.14-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (69 commits)
  NFS: Count the bytes of skipped subrequests in nfs_lock_and_join_requests()
  NFS: Don't hold the group lock when calling nfs_release_request()
  NFS: Remove pnfs_generic_transfer_commit_list()
  NFS: nfs_lock_and_join_requests and nfs_scan_commit_list can deadlock
  NFS: Fix 2 use after free issues in the I/O code
  NFS: Sync the correct byte range during synchronous writes
  lockd: Delete an error message for a failed memory allocation in reclaimer()
  NFS: remove jiffies field from access cache
  NFS: flush data when locking a file to ensure cache coherence for mmap.
  SUNRPC: remove some dead code.
  NFS: don't expect errors from mempool_alloc().
  xprtrdma: Use xprt_pin_rqst in rpcrdma_reply_handler
  xprtrdma: Re-arrange struct rx_stats
  NFS: Fix NFSv2 security settings
  NFSv4.1: don't use machine credentials for CLOSE when using 'sec=sys'
  SUNRPC: ECONNREFUSED should cause a rebind.
  NFS: Remove unused parameter gfp_flags from nfs_pageio_init()
  NFSv4: Fix up mirror allocation
  SUNRPC: Add a separate spinlock to protect the RPC request receive list
  SUNRPC: Cleanup xs_tcp_read_common()
  ...
2017-09-11 22:01:44 -07:00
Markus Elfring
58a69893a9 lockd: Delete an error message for a failed memory allocation in reclaimer()
Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-09-06 12:33:56 -04:00
Chuck Lever
afea5657c2 sunrpc: Const-ify struct sv_serv_ops
Close an attack vector by moving the arrays of per-server methods to
read-only memory.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2017-08-24 22:13:50 -04:00
Christoph Hellwig
e9679189e3 sunrpc: mark all struct svc_version instances as const
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-05-15 17:42:31 +02:00
Christoph Hellwig
860bda29b9 sunrpc: mark all struct svc_procinfo instances as const
struct svc_procinfo contains function pointers, and marking it as
constant avoids it being able to be used as an attach vector for
code injections.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-05-15 17:42:31 +02:00
Christoph Hellwig
7fd38af9ca sunrpc: move pc_count out of struct svc_procinfo
pc_count is the only writeable memeber of struct svc_procinfo, which is
a good candidate to be const-ified as it contains function pointers.

This patch moves it into out out struct svc_procinfo, and into a
separate writable array that is pointed to by struct svc_version.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-05-15 17:42:30 +02:00
Christoph Hellwig
63f8de3795 sunrpc: properly type pc_encode callbacks
Drop the resp argument as it can trivially be derived from the rqstp
argument.  With that all functions now have the same prototype, and we
can remove the unsafe casting to kxdrproc_t.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-05-15 17:42:25 +02:00
Christoph Hellwig
026fec7e7c sunrpc: properly type pc_decode callbacks
Drop the argp argument as it can trivially be derived from the rqstp
argument.  With that all functions now have the same prototype, and we
can remove the unsafe casting to kxdrproc_t.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-05-15 17:42:24 +02:00
Christoph Hellwig
a6beb73272 sunrpc: properly type pc_func callbacks
Drop the argp and resp arguments as they can trivially be derived from
the rqstp argument.  With that all functions now have the same prototype,
and we can remove the unsafe casting to svc_procfunc as well as the
svc_procfunc typedef itself.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-05-15 17:42:23 +02:00
Christoph Hellwig
499b498810 sunrpc: mark all struct rpc_procinfo instances as const
struct rpc_procinfo contains function pointers, and marking it as
constant avoids it being able to be used as an attach vector for
code injections.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-05-15 17:42:20 +02:00
Christoph Hellwig
1c5876ddbd sunrpc: move p_count out of struct rpc_procinfo
p_count is the only writeable memeber of struct rpc_procinfo, which is
a good candidate to be const-ified as it contains function pointers.

This patch moves it into out out struct rpc_procinfo, and into a
separate writable array that is pointed to by struct rpc_version and
indexed by p_statidx.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-05-15 17:42:18 +02:00
Christoph Hellwig
cdfa31e93f lockd: fix some weird indentation
Remove double indentation of a few struct rpc_version and
struct rpc_program instance.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-05-15 17:42:17 +02:00
Christoph Hellwig
1fa2339123 lockd: fix decoder callback prototypes
Declare the p_decode callbacks with the proper prototype instead of
casting to kxdrdproc_t and losing all type safety.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-05-15 17:42:15 +02:00
Christoph Hellwig
bf96391e7b lockd: fix encoder callback prototypes
Declare the p_encode callbacks with the proper prototype instead of
casting to kxdreproc_t and losing all type safety.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-05-15 17:42:09 +02:00
Linus Torvalds
c70422f760 Another RDMA update from Chuck Lever, and a bunch of miscellaneous
bugfixes.
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Merge tag 'nfsd-4.12' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "Another RDMA update from Chuck Lever, and a bunch of miscellaneous
  bugfixes"

* tag 'nfsd-4.12' of git://linux-nfs.org/~bfields/linux: (26 commits)
  nfsd: Fix up the "supattr_exclcreat" attributes
  nfsd: encoders mustn't use unitialized values in error cases
  nfsd: fix undefined behavior in nfsd4_layout_verify
  lockd: fix lockd shutdown race
  NFSv4: Fix callback server shutdown
  SUNRPC: Refactor svc_set_num_threads()
  NFSv4.x/callback: Create the callback service through svc_create_pooled
  lockd: remove redundant check on block
  svcrdma: Clean out old XDR encoders
  svcrdma: Remove the req_map cache
  svcrdma: Remove unused RDMA Write completion handler
  svcrdma: Reduce size of sge array in struct svc_rdma_op_ctxt
  svcrdma: Clean up RPC-over-RDMA backchannel reply processing
  svcrdma: Report Write/Reply chunk overruns
  svcrdma: Clean up RDMA_ERROR path
  svcrdma: Use rdma_rw API in RPC reply path
  svcrdma: Introduce local rdma_rw API helpers
  svcrdma: Clean up svc_rdma_get_inv_rkey()
  svcrdma: Add helper to save pages under I/O
  svcrdma: Eliminate RPCRDMA_SQ_DEPTH_MULT
  ...
2017-05-10 13:29:23 -07:00
J. Bruce Fields
efda760fe9 lockd: fix lockd shutdown race
As reported by David Jeffery: "a signal was sent to lockd while lockd
was shutting down from a request to stop nfs.  The signal causes lockd
to call restart_grace() which puts the lockd_net structure on the grace
list.  If this signal is received at the wrong time, it will occur after
lockd_down_net() has called locks_end_grace() but before
lockd_down_net() stops the lockd thread.  This leads to lockd putting
the lockd_net structure back on the grace list, then exiting without
anything removing it from the list."

So, perform the final locks_end_grace() from the the lockd thread; this
ensures it's serialized with respect to restart_grace().

Reported-by: David Jeffery <djeffery@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2017-05-08 18:06:18 -04:00
Colin Ian King
e56efe9322 lockd: remove redundant check on block
A null check followed by a return is being performed already, so block
is always non-null at the second check on block, hence we can remove
this redundant null-check (Detected by PVS-Studio).  Also re-work
comment to clean up a check-patch warning.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2017-04-25 17:25:56 -04:00
Benjamin Coddington
b1ece737f4 lockd: Introduce nlmclnt_operations
NFS would enjoy the ability to modify the behavior of the NLM client's
unlock RPC task in order to delay the transmission of the unlock until IO
that was submitted under that lock has completed.  This ability can ensure
that the NLM client will always complete the transmission of an unlock even
if the waiting caller has been interrupted with fatal signal.

For this purpose, a pointer to a struct nlmclnt_operations can be assigned
in a nfs_module's nfs_rpc_ops that will install those nlmclnt_operations on
the nlm_host.  The struct nlmclnt_operations defines three callback
operations that will be used in a following patch:

nlmclnt_alloc_call - used to call back after a successful allocation of
	a struct nlm_rqst in nlmclnt_proc().

nlmclnt_unlock_prepare - used to call back during NLM unlock's
	rpc_call_prepare.  The NLM client defers calling rpc_call_start()
	until this callback returns false.

nlmclnt_release_call - used to call back when the NLM client's struct
	nlm_rqst is freed.

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-04-21 10:45:01 -04:00
Ingo Molnar
3f07c01441 sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>
We are going to split <linux/sched/signal.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/signal.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:29 +01:00
Scott Mayhew
c01410f7f6 lockd: initialize sin6_scope_id in lockd_inet6addr_event()
I noticed this was missing when I was testing with link local addresses.

Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2017-01-31 12:31:54 -05:00
Alexey Dobriyan
c7d03a00b5 netns: make struct pernet_operations::id unsigned int
Make struct pernet_operations::id unsigned.

There are 2 reasons to do so:

1)
This field is really an index into an zero based array and
thus is unsigned entity. Using negative value is out-of-bound
access by definition.

2)
On x86_64 unsigned 32-bit data which are mixed with pointers
via array indexing or offsets added or subtracted to pointers
are preffered to signed 32-bit data.

"int" being used as an array index needs to be sign-extended
to 64-bit before being used.

	void f(long *p, int i)
	{
		g(p[i]);
	}

  roughly translates to

	movsx	rsi, esi
	mov	rdi, [rsi+...]
	call 	g

MOVSX is 3 byte instruction which isn't necessary if the variable is
unsigned because x86_64 is zero extending by default.

Now, there is net_generic() function which, you guessed it right, uses
"int" as an array index:

	static inline void *net_generic(const struct net *net, int id)
	{
		...
		ptr = ng->ptr[id - 1];
		...
	}

And this function is used a lot, so those sign extensions add up.

Patch snipes ~1730 bytes on allyesconfig kernel (without all junk
messing with code generation):

	add/remove: 0/0 grow/shrink: 70/598 up/down: 396/-2126 (-1730)

Unfortunately some functions actually grow bigger.
This is a semmingly random artefact of code generation with register
allocator being used differently. gcc decides that some variable
needs to live in new r8+ registers and every access now requires REX
prefix. Or it is shifted into r12, so [r12+0] addressing mode has to be
used which is longer than [r8]

However, overall balance is in negative direction:

	add/remove: 0/0 grow/shrink: 70/598 up/down: 396/-2126 (-1730)
	function                                     old     new   delta
	nfsd4_lock                                  3886    3959     +73
	tipc_link_build_proto_msg                   1096    1140     +44
	mac80211_hwsim_new_radio                    2776    2808     +32
	tipc_mon_rcv                                1032    1058     +26
	svcauth_gss_legacy_init                     1413    1429     +16
	tipc_bcbase_select_primary                   379     392     +13
	nfsd4_exchange_id                           1247    1260     +13
	nfsd4_setclientid_confirm                    782     793     +11
		...
	put_client_renew_locked                      494     480     -14
	ip_set_sockfn_get                            730     716     -14
	geneve_sock_add                              829     813     -16
	nfsd4_sequence_done                          721     703     -18
	nlmclnt_lookup_host                          708     686     -22
	nfsd4_lockt                                 1085    1063     -22
	nfs_get_client                              1077    1050     -27
	tcf_bpf_init                                1106    1076     -30
	nfsd4_encode_fattr                          5997    5930     -67
	Total: Before=154856051, After=154854321, chg -0.00%

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-18 10:59:15 -05:00
Masahiro Yamada
97139d4a6f treewide: remove redundant #include <linux/kconfig.h>
Kernel source files need not include <linux/kconfig.h> explicitly
because the top Makefile forces to include it with:

  -include $(srctree)/include/linux/kconfig.h

This commit removes explicit includes except the following:

  * arch/s390/include/asm/facilities_src.h
  * tools/testing/radix-tree/linux/kernel.h

These two are used for host programs.

Link: http://lkml.kernel.org/r/1473656164-11929-1-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-10-11 15:06:33 -07:00
Linus Torvalds
6784725ab0 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro:
 "Assorted cleanups and fixes.

  Probably the most interesting part long-term is ->d_init() - that will
  have a bunch of followups in (at least) ceph and lustre, but we'll
  need to sort the barrier-related rules before it can get used for
  really non-trivial stuff.

  Another fun thing is the merge of ->d_iput() callers (dentry_iput()
  and dentry_unlink_inode()) and a bunch of ->d_compare() ones (all
  except the one in __d_lookup_lru())"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (26 commits)
  fs/dcache.c: avoid soft-lockup in dput()
  vfs: new d_init method
  vfs: Update lookup_dcache() comment
  bdev: get rid of ->bd_inodes
  Remove last traces of ->sync_page
  new helper: d_same_name()
  dentry_cmp(): use lockless_dereference() instead of smp_read_barrier_depends()
  vfs: clean up documentation
  vfs: document ->d_real()
  vfs: merge .d_select_inode() into .d_real()
  unify dentry_iput() and dentry_unlink_inode()
  binfmt_misc: ->s_root is not going anywhere
  drop redundant ->owner initializations
  ufs: get rid of redundant checks
  orangefs: constify inode_operations
  missed comment updates from ->direct_IO() prototype change
  file_inode(f)->i_mapping is f->f_mapping
  trim fsnotify hooks a bit
  9p: new helper - v9fs_parent_fid()
  debugfs: ->d_parent is never NULL or negative
  ...
2016-07-28 12:59:05 -07:00
Scott Mayhew
cb7d224f82 lockd: unregister notifier blocks if the service fails to come up completely
If the lockd service fails to start up then we need to be sure that the
notifier blocks are not registered, otherwise a subsequent start of the
service could cause the same notifier to be registered twice, leading to
soft lockups.

Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 0751ddf77b6a "lockd: Register callbacks on the inetaddr_chain..."
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2016-06-30 16:35:07 -04:00
Al Viro
84c60b1388 drop redundant ->owner initializations
it's not needed for file_operations of inodes located on fs defined
in the hosting module and for file_operations that go into procfs.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-29 19:08:00 -04:00
Julia Lawall
2a297450dd lockd: constify nlmsvc_binding structure
The nlmsvc_binding structure is never modified, so declare it as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2016-01-07 10:10:50 -05:00
Geliang Tang
ea44463f37 lockd: use to_delayed_work
Use to_delayed_work() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2016-01-07 10:10:50 -05:00
Scott Mayhew
0751ddf77b lockd: Register callbacks on the inetaddr_chain and inet6addr_chain
Register callbacks on inetaddr_chain and inet6addr_chain to trigger
cleanup of lockd transport sockets when an ip address is deleted.

Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-12-23 10:08:16 -05:00
Linus Torvalds
31c1febd7a Mainly smaller bugfixes and cleanup. We're still finding some bugs from
the breakup of the big NFSv4 state lock in 3.17--thanks especially to
 Andrew Elble and Jeff Layton for tracking down some of the remaining
 races.
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Merge tag 'nfsd-4.4' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "Apologies for coming a little late in the merge window.  Fortunately
  this is another fairly quiet one:

  Mainly smaller bugfixes and cleanup.  We're still finding some bugs
  from the breakup of the big NFSv4 state lock in 3.17 -- thanks
  especially to Andrew Elble and Jeff Layton for tracking down some of
  the remaining races"

* tag 'nfsd-4.4' of git://linux-nfs.org/~bfields/linux:
  svcrpc: document lack of some memory barriers
  nfsd: fix race with open / open upgrade stateids
  nfsd: eliminate sending duplicate and repeated delegations
  nfsd: remove recurring workqueue job to clean DRC
  SUNRPC: drop stale comment in svc_setup_socket()
  nfsd: ensure that seqid morphing operations are atomic wrt to copies
  nfsd: serialize layout stateid morphing operations
  nfsd: improve client_has_state to check for unused openowners
  nfsd: fix clid_inuse on mount with security change
  sunrpc/cache: make cache flushing more reliable.
  nfsd: move include of state.h from trace.c to trace.h
  sunrpc: avoid warning in gss_key_timeout
  lockd: get rid of reference-counted NSM RPC clients
  SUNRPC: Use MSG_SENDPAGE_NOTLAST when calling sendpage()
  lockd: create NSM handles per net namespace
  nfsd: switch unsigned char flags in svc_fh to bools
  nfsd: move svc_fh->fh_maxsize to just after fh_handle
  nfsd: drop null test before destroy functions
  nfsd: serialize state seqid morphing operations
2015-11-11 20:11:28 -08:00
Andrey Ryabinin
0d0f4aab4e lockd: get rid of reference-counted NSM RPC clients
Currently we have reference-counted per-net NSM RPC client
which created on the first monitor request and destroyed
after the last unmonitor request. It's needed because
RPC client need to know 'utsname()->nodename', but utsname()
might be NULL when nsm_unmonitor() called.

So instead of holding the rpc client we could just save nodename
in struct nlm_host and pass it to the rpc_create().
Thus ther is no need in keeping rpc client until last
unmonitor request. We could create separate RPC clients
for each monitor/unmonitor requests.

Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-10-23 15:57:27 -04:00
Benjamin Coddington
4f6563677a Move locks API users to locks_lock_inode_wait()
Instead of having users check for FL_POSIX or FL_FLOCK to call the correct
locks API function, use the check within locks_lock_inode_wait().  This
allows for some later cleanup.

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
2015-10-22 14:57:36 -04:00
Andrey Ryabinin
0ad95472bf lockd: create NSM handles per net namespace
Commit cb7323fffa85 ("lockd: create and use per-net NSM
 RPC clients on MON/UNMON requests") introduced per-net
NSM RPC clients. Unfortunately this doesn't make any sense
without per-net nsm_handle.

E.g. the following scenario could happen
Two hosts (X and Y) in different namespaces (A and B) share
the same nsm struct.

1. nsm_monitor(host_X) called => NSM rpc client created,
	nsm->sm_monitored bit set.
2. nsm_mointor(host-Y) called => nsm->sm_monitored already set,
	we just exit. Thus in namespace B ln->nsm_clnt == NULL.
3. host X destroyed => nsm->sm_count decremented to 1
4. host Y destroyed => nsm_unmonitor() => nsm_mon_unmon() => NULL-ptr
	dereference of *ln->nsm_clnt

So this could be fixed by making per-net nsm_handles list,
instead of global. Thus different net namespaces will not be able
share the same nsm_handle.

Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-10-12 17:31:05 -04:00
J. Bruce Fields
c87fb4a378 lockd: NLM grace period shouldn't block NFSv4 opens
NLM locks don't conflict with NFSv4 share reservations, so we're not
going to learn anything new by watiting for them.

They do conflict with NFSv4 locks and with delegations.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-08-13 10:22:06 -04:00
Jeff Layton
b9e13cdfac nfsd/sunrpc: turn enqueueing a svc_xprt into a svc_serv operation
For now, all services use svc_xprt_do_enqueue, but once we add
workqueue-based service support, we'll need to do something different.

Signed-off-by: Shirley Ma <shirley.ma@oracle.com>
Acked-by: Jeff Layton <jlayton@primarydata.com>
Tested-by: Shirley Ma <shirley.ma@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-08-10 16:05:42 -04:00
Jeff Layton
ea126e7435 nfsd/sunrpc: add a new svc_serv_ops struct and move sv_shutdown into it
In later patches we'll need to abstract out more operations on a
per-service level, besides sv_shutdown and sv_function.

Declare a new svc_serv_ops struct to hold these operations, and move
sv_shutdown into this struct.

Signed-off-by: Shirley Ma <shirley.ma@oracle.com>
Acked-by: Jeff Layton <jlayton@primarydata.com>
Tested-by: Shirley Ma <shirley.ma@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-08-10 16:05:40 -04:00
Mark Salter
135dd002c2 nfsd: eliminate NFSD_DEBUG
Commit f895b252d4edf ("sunrpc: eliminate RPC_DEBUG") introduced
use of IS_ENABLED() in a uapi header which leads to a build
failure for userspace apps trying to use <linux/nfsd/debug.h>:

   linux/nfsd/debug.h:18:15: error: missing binary operator before token "("
  #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
                ^

Since this was only used to define NFSD_DEBUG if CONFIG_SUNRPC_DEBUG
is enabled, replace instances of NFSD_DEBUG with CONFIG_SUNRPC_DEBUG.

Cc: stable@vger.kernel.org
Fixes: f895b252d4edf "sunrpc: eliminate RPC_DEBUG"
Signed-off-by: Mark Salter <msalter@redhat.com>
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2015-04-21 16:16:02 -04:00
Linus Torvalds
61845143fe Merge branch 'for-3.20' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
 "The main change is the pNFS block server support from Christoph, which
  allows an NFS client connected to shared disk to do block IO to the
  shared disk in place of NFS reads and writes.  This also requires xfs
  patches, which should arrive soon through the xfs tree, barring
  unexpected problems.  Support for other filesystems is also possible
  if there's interest.

  Thanks also to Chuck Lever for continuing work to get NFS/RDMA into
  shape"

* 'for-3.20' of git://linux-nfs.org/~bfields/linux: (32 commits)
  nfsd: default NFSv4.2 to on
  nfsd: pNFS block layout driver
  exportfs: add methods for block layout exports
  nfsd: add trace events
  nfsd: update documentation for pNFS support
  nfsd: implement pNFS layout recalls
  nfsd: implement pNFS operations
  nfsd: make find_any_file available outside nfs4state.c
  nfsd: make find/get/put file available outside nfs4state.c
  nfsd: make lookup/alloc/unhash_stid available outside nfs4state.c
  nfsd: add fh_fsid_match helper
  nfsd: move nfsd_fh_match to nfsfh.h
  fs: add FL_LAYOUT lease type
  fs: track fl_owner for leases
  nfs: add LAYOUT_TYPE_MAX enum value
  nfsd: factor out a helper to decode nfstime4 values
  sunrpc/lockd: fix references to the BKL
  nfsd: fix year-2038 nfs4 state problem
  svcrdma: Handle additional inline content
  svcrdma: Move read list XDR round-up logic
  ...
2015-02-12 10:39:41 -08:00