Commit Graph

153 Commits

Author SHA1 Message Date
Greg Kroah-Hartman
9100d24dfd This is the 5.10.215 stable release
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Merge 5.10.215 into android12-5.10-lts

Changes in 5.10.215
	amdkfd: use calloc instead of kzalloc to avoid integer overflow
	Documentation/hw-vuln: Update spectre doc
	x86/cpu: Support AMD Automatic IBRS
	x86/bugs: Use sysfs_emit()
	timers: Update kernel-doc for various functions
	timers: Use del_timer_sync() even on UP
	timers: Rename del_timer_sync() to timer_delete_sync()
	wifi: brcmfmac: Fix use-after-free bug in brcmf_cfg80211_detach
	media: staging: ipu3-imgu: Set fields before media_entity_pads_init()
	clk: qcom: gcc-sdm845: Add soft dependency on rpmhpd
	smack: Set SMACK64TRANSMUTE only for dirs in smack_inode_setxattr()
	smack: Handle SMACK64TRANSMUTE in smack_inode_setsecurity()
	arm: dts: marvell: Fix maxium->maxim typo in brownstone dts
	drm/vmwgfx: stop using ttm_bo_create v2
	drm/vmwgfx: switch over to the new pin interface v2
	drm/vmwgfx/vmwgfx_cmdbuf_res: Remove unused variable 'ret'
	drm/vmwgfx: Fix some static checker warnings
	drm/vmwgfx: Fix possible null pointer derefence with invalid contexts
	serial: max310x: fix NULL pointer dereference in I2C instantiation
	media: xc4000: Fix atomicity violation in xc4000_get_frequency
	KVM: Always flush async #PF workqueue when vCPU is being destroyed
	sparc64: NMI watchdog: fix return value of __setup handler
	sparc: vDSO: fix return value of __setup handler
	crypto: qat - fix double free during reset
	crypto: qat - resolve race condition during AER recovery
	selftests/mqueue: Set timeout to 180 seconds
	ext4: correct best extent lstart adjustment logic
	block: introduce zone_write_granularity limit
	block: Clear zone limits for a non-zoned stacked queue
	bounds: support non-power-of-two CONFIG_NR_CPUS
	fat: fix uninitialized field in nostale filehandles
	ubifs: Set page uptodate in the correct place
	ubi: Check for too small LEB size in VTBL code
	ubi: correct the calculation of fastmap size
	mtd: rawnand: meson: fix scrambling mode value in command macro
	parisc: Avoid clobbering the C/B bits in the PSW with tophys and tovirt macros
	parisc: Fix ip_fast_csum
	parisc: Fix csum_ipv6_magic on 32-bit systems
	parisc: Fix csum_ipv6_magic on 64-bit systems
	parisc: Strip upper 32 bit of sum in csum_ipv6_magic for 64-bit builds
	PM: suspend: Set mem_sleep_current during kernel command line setup
	clk: qcom: gcc-ipq6018: fix terminating of frequency table arrays
	clk: qcom: gcc-ipq8074: fix terminating of frequency table arrays
	clk: qcom: mmcc-apq8084: fix terminating of frequency table arrays
	clk: qcom: mmcc-msm8974: fix terminating of frequency table arrays
	powerpc/fsl: Fix mfpmr build errors with newer binutils
	USB: serial: ftdi_sio: add support for GMC Z216C Adapter IR-USB
	USB: serial: add device ID for VeriFone adapter
	USB: serial: cp210x: add ID for MGP Instruments PDS100
	USB: serial: option: add MeiG Smart SLM320 product
	USB: serial: cp210x: add pid/vid for TDK NC0110013M and MM0110113M
	PM: sleep: wakeirq: fix wake irq warning in system suspend
	mmc: tmio: avoid concurrent runs of mmc_request_done()
	fuse: fix root lookup with nonzero generation
	fuse: don't unhash root
	usb: typec: ucsi: Clean up UCSI_CABLE_PROP macros
	printk/console: Split out code that enables default console
	serial: Lock console when calling into driver before registration
	btrfs: fix off-by-one chunk length calculation at contains_pending_extent()
	PCI: Drop pci_device_remove() test of pci_dev->driver
	PCI/PM: Drain runtime-idle callbacks before driver removal
	PCI/ERR: Cache RCEC EA Capability offset in pci_init_capabilities()
	PCI: Cache PCIe Device Capabilities register
	PCI: Work around Intel I210 ROM BAR overlap defect
	PCI/ASPM: Make Intel DG2 L1 acceptable latency unlimited
	PCI/DPC: Quirk PIO log size for certain Intel Root Ports
	PCI/DPC: Quirk PIO log size for Intel Raptor Lake Root Ports
	Revert "Revert "md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d""
	dm-raid: fix lockdep waring in "pers->hot_add_disk"
	mac802154: fix llsec key resources release in mac802154_llsec_key_del
	mm: swap: fix race between free_swap_and_cache() and swapoff()
	mmc: core: Fix switch on gp3 partition
	drm/etnaviv: Restore some id values
	hwmon: (amc6821) add of_match table
	ext4: fix corruption during on-line resize
	nvmem: meson-efuse: fix function pointer type mismatch
	slimbus: core: Remove usage of the deprecated ida_simple_xx() API
	phy: tegra: xusb: Add API to retrieve the port number of phy
	usb: gadget: tegra-xudc: Use dev_err_probe()
	usb: gadget: tegra-xudc: Fix USB3 PHY retrieval logic
	speakup: Fix 8bit characters from direct synth
	PCI/ERR: Clear AER status only when we control AER
	PCI/AER: Block runtime suspend when handling errors
	nfs: fix UAF in direct writes
	kbuild: Move -Wenum-{compare-conditional,enum-conversion} into W=1
	PCI: dwc: endpoint: Fix advertised resizable BAR size
	vfio/platform: Disable virqfds on cleanup
	ring-buffer: Fix waking up ring buffer readers
	ring-buffer: Do not set shortest_full when full target is hit
	ring-buffer: Fix resetting of shortest_full
	ring-buffer: Fix full_waiters_pending in poll
	soc: fsl: qbman: Always disable interrupts when taking cgr_lock
	soc: fsl: qbman: Add helper for sanity checking cgr ops
	soc: fsl: qbman: Add CGR update function
	soc: fsl: qbman: Use raw spinlock for cgr_lock
	s390/zcrypt: fix reference counting on zcrypt card objects
	drm/panel: do not return negative error codes from drm_panel_get_modes()
	drm/exynos: do not return negative values from .get_modes()
	drm/imx/ipuv3: do not return negative values from .get_modes()
	drm/vc4: hdmi: do not return negative values from .get_modes()
	memtest: use {READ,WRITE}_ONCE in memory scanning
	nilfs2: fix failure to detect DAT corruption in btree and direct mappings
	nilfs2: prevent kernel bug at submit_bh_wbc()
	cpufreq: dt: always allocate zeroed cpumask
	x86/CPU/AMD: Update the Zenbleed microcode revisions
	net: hns3: tracing: fix hclgevf trace event strings
	wireguard: netlink: check for dangling peer via is_dead instead of empty list
	wireguard: netlink: access device through ctx instead of peer
	ahci: asm1064: correct count of reported ports
	ahci: asm1064: asm1166: don't limit reported ports
	drm/amd/display: Return the correct HDCP error code
	drm/amd/display: Fix noise issue on HDMI AV mute
	dm snapshot: fix lockup in dm_exception_table_exit
	vxge: remove unnecessary cast in kfree()
	x86/stackprotector/32: Make the canary into a regular percpu variable
	x86/pm: Work around false positive kmemleak report in msr_build_context()
	scripts: kernel-doc: Fix syntax error due to undeclared args variable
	comedi: comedi_test: Prevent timers rescheduling during deletion
	cpufreq: brcmstb-avs-cpufreq: fix up "add check for cpufreq_cpu_get's return value"
	netfilter: nf_tables: mark set as dead when unbinding anonymous set with timeout
	netfilter: nf_tables: disallow anonymous set with timeout flag
	netfilter: nf_tables: reject constant set with timeout
	Drivers: hv: vmbus: Calculate ring buffer size for more efficient use of memory
	xfrm: Avoid clang fortify warning in copy_to_user_tmpl()
	KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region()
	ALSA: hda/realtek - Fix headset Mic no show at resume back for Lenovo ALC897 platform
	USB: usb-storage: Prevent divide-by-0 error in isd200_ata_command
	usb: gadget: ncm: Fix handling of zero block length packets
	usb: port: Don't try to peer unused USB ports based on location
	tty: serial: fsl_lpuart: avoid idle preamble pending if CTS is enabled
	mei: me: add arrow lake point S DID
	mei: me: add arrow lake point H DID
	vt: fix unicode buffer corruption when deleting characters
	fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion
	tee: optee: Fix kernel panic caused by incorrect error handling
	xen/events: close evtchn after mapping cleanup
	printk: Update @console_may_schedule in console_trylock_spinning()
	btrfs: allocate btrfs_ioctl_defrag_range_args on stack
	x86/asm: Add _ASM_RIP() macro for x86-64 (%rip) suffix
	x86/bugs: Add asm helpers for executing VERW
	x86/entry_64: Add VERW just before userspace transition
	x86/entry_32: Add VERW just before userspace transition
	x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key
	KVM/VMX: Use BT+JNC, i.e. EFLAGS.CF to select VMRESUME vs. VMLAUNCH
	KVM/VMX: Move VERW closer to VMentry for MDS mitigation
	x86/mmio: Disable KVM mitigation when X86_FEATURE_CLEAR_CPU_BUF is set
	Documentation/hw-vuln: Add documentation for RFDS
	x86/rfds: Mitigate Register File Data Sampling (RFDS)
	KVM/x86: Export RFDS_NO and RFDS_CLEAR to guests
	perf/core: Fix reentry problem in perf_output_read_group()
	efivarfs: Request at most 512 bytes for variable names
	powerpc: xor_vmx: Add '-mhard-float' to CFLAGS
	serial: sc16is7xx: convert from _raw_ to _noinc_ regmap functions for FIFO
	mm/memory-failure: fix an incorrect use of tail pages
	mm/migrate: set swap entry values of THP tail pages properly.
	init: open /initrd.image with O_LARGEFILE
	wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes
	exec: Fix NOMMU linux_binprm::exec in transfer_args_to_stack()
	hexagon: vmlinux.lds.S: handle attributes section
	mmc: core: Initialize mmc_blk_ioc_data
	mmc: core: Avoid negative index with array access
	net: ll_temac: platform_get_resource replaced by wrong function
	usb: cdc-wdm: close race between read and workqueue
	ALSA: sh: aica: reorder cleanup operations to avoid UAF bugs
	scsi: core: Fix unremoved procfs host directory regression
	staging: vc04_services: changen strncpy() to strscpy_pad()
	staging: vc04_services: fix information leak in create_component()
	USB: core: Add hub_get() and hub_put() routines
	usb: dwc2: host: Fix remote wakeup from hibernation
	usb: dwc2: host: Fix hibernation flow
	usb: dwc2: host: Fix ISOC flow in DDMA mode
	usb: dwc2: gadget: LPM flow fix
	usb: udc: remove warning when queue disabled ep
	usb: typec: ucsi: Ack unsupported commands
	usb: typec: ucsi: Clear UCSI_CCI_RESET_COMPLETE before reset
	scsi: qla2xxx: Split FCE|EFT trace control
	scsi: qla2xxx: Fix command flush on cable pull
	scsi: qla2xxx: Delay I/O Abort on PCI error
	x86/cpu: Enable STIBP on AMD if Automatic IBRS is enabled
	PCI/DPC: Quirk PIO log size for Intel Ice Lake Root Ports
	scsi: lpfc: Correct size for wqe for memset()
	USB: core: Fix deadlock in usb_deauthorize_interface()
	nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet
	ixgbe: avoid sleeping allocation in ixgbe_ipsec_vf_add_sa()
	tcp: properly terminate timers for kernel sockets
	ACPICA: debugger: check status of acpi_evaluate_object() in acpi_db_walk_for_fields()
	bpf: Protect against int overflow for stack access size
	Octeontx2-af: fix pause frame configuration in GMP mode
	dm integrity: fix out-of-range warning
	r8169: fix issue caused by buggy BIOS on certain boards with RTL8168d
	x86/cpufeatures: Add new word for scattered features
	Bluetooth: hci_event: set the conn encrypted before conn establishes
	Bluetooth: Fix TOCTOU in HCI debugfs implementation
	netfilter: nf_tables: disallow timeout for anonymous sets
	net/rds: fix possible cp null dereference
	vfio/pci: Disable auto-enable of exclusive INTx IRQ
	vfio/pci: Lock external INTx masking ops
	vfio: Introduce interface to flush virqfd inject workqueue
	vfio/pci: Create persistent INTx handler
	vfio/platform: Create persistent IRQ handlers
	vfio/fsl-mc: Block calling interrupt handler without trigger
	io_uring: ensure '0' is returned on file registration success
	Revert "x86/mm/ident_map: Use gbpages only where full GB page should be mapped."
	mm, vmscan: prevent infinite loop for costly GFP_NOIO | __GFP_RETRY_MAYFAIL allocations
	x86/srso: Add SRSO mitigation for Hygon processors
	block: add check that partition length needs to be aligned with block size
	netfilter: nf_tables: reject new basechain after table flag update
	netfilter: nf_tables: flush pending destroy work before exit_net release
	netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()
	netfilter: validate user input for expected length
	vboxsf: Avoid an spurious warning if load_nls_xxx() fails
	bpf, sockmap: Prevent lock inversion deadlock in map delete elem
	net/sched: act_skbmod: prevent kernel-infoleak
	net: stmmac: fix rx queue priority assignment
	erspan: make sure erspan_base_hdr is present in skb->head
	selftests: reuseaddr_conflict: add missing new line at the end of the output
	ipv6: Fix infinite recursion in fib6_dump_done().
	udp: do not transition UDP GRO fraglist partial checksums to unnecessary
	octeontx2-pf: check negative error code in otx2_open()
	i40e: fix i40e_count_filters() to count only active/new filters
	i40e: fix vf may be used uninitialized in this function warning
	scsi: qla2xxx: Update manufacturer details
	scsi: qla2xxx: Update manufacturer detail
	Revert "usb: phy: generic: Get the vbus supply"
	udp: do not accept non-tunnel GSO skbs landing in a tunnel
	net: ravb: Always process TX descriptor ring
	arm64: dts: qcom: sc7180: Remove clock for bluetooth on Trogdor
	arm64: dts: qcom: sc7180-trogdor: mark bluetooth address as broken
	ASoC: ops: Fix wraparound for mask in snd_soc_get_volsw
	ata: sata_sx4: fix pdc20621_get_from_dimm() on 64-bit
	scsi: mylex: Fix sysfs buffer lengths
	ata: sata_mv: Fix PCI device ID table declaration compilation warning
	ALSA: hda/realtek: Update Panasonic CF-SZ6 quirk to support headset with microphone
	driver core: Introduce device_link_wait_removal()
	of: dynamic: Synchronize of_changeset_destroy() with the devlink removals
	x86/mce: Make sure to grab mce_sysfs_mutex in set_bank()
	s390/entry: align system call table on 8 bytes
	riscv: Fix spurious errors from __get/put_kernel_nofault
	x86/bugs: Fix the SRSO mitigation on Zen3/4
	x86/retpoline: Do the necessary fixup to the Zen3/4 srso return thunk for !SRSO
	mptcp: don't account accept() of non-MPC client as fallback to TCP
	x86/cpufeatures: Add CPUID_LNX_5 to track recently added Linux-defined word
	objtool: Add asm version of STACK_FRAME_NON_STANDARD
	wifi: ath9k: fix LNA selection in ath_ant_try_scan()
	VMCI: Fix memcpy() run-time warning in dg_dispatch_as_host()
	panic: Flush kernel log buffer at the end
	arm64: dts: rockchip: fix rk3328 hdmi ports node
	arm64: dts: rockchip: fix rk3399 hdmi ports node
	ionic: set adminq irq affinity
	pstore/zone: Add a null pointer check to the psz_kmsg_read
	tools/power x86_energy_perf_policy: Fix file leak in get_pkg_num()
	btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()
	btrfs: export: handle invalid inode or root reference in btrfs_get_parent()
	btrfs: send: handle path ref underflow in header iterate_inode_ref()
	net/smc: reduce rtnl pressure in smc_pnet_create_pnetids_list()
	Bluetooth: btintel: Fix null ptr deref in btintel_read_version
	Input: synaptics-rmi4 - fail probing if memory allocation for "phys" fails
	pinctrl: renesas: checker: Limit cfg reg enum checks to provided IDs
	sysv: don't call sb_bread() with pointers_lock held
	scsi: lpfc: Fix possible memory leak in lpfc_rcv_padisc()
	isofs: handle CDs with bad root inode but good Joliet root directory
	media: sta2x11: fix irq handler cast
	ext4: add a hint for block bitmap corrupt state in mb_groups
	ext4: forbid commit inconsistent quota data when errors=remount-ro
	drm/amd/display: Fix nanosec stat overflow
	SUNRPC: increase size of rpc_wait_queue.qlen from unsigned short to unsigned int
	Revert "ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default"
	libperf evlist: Avoid out-of-bounds access
	block: prevent division by zero in blk_rq_stat_sum()
	RDMA/cm: add timeout to cm_destroy_id wait
	Input: allocate keycode for Display refresh rate toggle
	platform/x86: touchscreen_dmi: Add an extra entry for a variant of the Chuwi Vi8 tablet
	ktest: force $buildonly = 1 for 'make_warnings_file' test type
	ring-buffer: use READ_ONCE() to read cpu_buffer->commit_page in concurrent environment
	tools: iio: replace seekdir() in iio_generic_buffer
	usb: typec: tcpci: add generic tcpci fallback compatible
	usb: sl811-hcd: only defined function checkdone if QUIRK2 is defined
	fbdev: viafb: fix typo in hw_bitblt_1 and hw_bitblt_2
	drivers/nvme: Add quirks for device 126f:2262
	fbmon: prevent division by zero in fb_videomode_from_videomode()
	netfilter: nf_tables: release batch on table validation from abort path
	netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path
	netfilter: nf_tables: discard table flag update with pending basechain deletion
	tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc
	virtio: reenable config if freezing device failed
	x86/mm/pat: fix VM_PAT handling in COW mappings
	drm/i915/gt: Reset queue_priority_hint on parking
	Bluetooth: btintel: Fixe build regression
	VMCI: Fix possible memcpy() run-time warning in vmci_datagram_invoke_guest_handler()
	kbuild: dummy-tools: adjust to stricter stackprotector check
	scsi: sd: Fix wrong zone_write_granularity value during revalidate
	x86/retpoline: Add NOENDBR annotation to the SRSO dummy return thunk
	x86/head/64: Re-enable stack protection
	Linux 5.10.215

Change-Id: I45a0a9c4a0683ff5ef97315690f1f884f666e1b5
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2024-06-01 11:03:55 +00:00
Tetsuo Handa
674c1c4229 sysv: don't call sb_bread() with pointers_lock held
[ Upstream commit f123dc86388cb669c3d6322702dc441abc35c31e ]

syzbot is reporting sleep in atomic context in SysV filesystem [1], for
sb_bread() is called with rw_spinlock held.

A "write_lock(&pointers_lock) => read_lock(&pointers_lock) deadlock" bug
and a "sb_bread() with write_lock(&pointers_lock)" bug were introduced by
"Replace BKL for chain locking with sysvfs-private rwlock" in Linux 2.5.12.

Then, "[PATCH] err1-40: sysvfs locking fix" in Linux 2.6.8 fixed the
former bug by moving pointers_lock lock to the callers, but instead
introduced a "sb_bread() with read_lock(&pointers_lock)" bug (which made
this problem easier to hit).

Al Viro suggested that why not to do like get_branch()/get_block()/
find_shared() in Minix filesystem does. And doing like that is almost a
revert of "[PATCH] err1-40: sysvfs locking fix" except that get_branch()
 from with find_shared() is called without write_lock(&pointers_lock).

Reported-by: syzbot <syzbot+69b40dc5fd40f32c199f@syzkaller.appspotmail.com>
Link: https://syzkaller.appspot.com/bug?extid=69b40dc5fd40f32c199f
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Link: https://lore.kernel.org/r/0d195f93-a22a-49a2-0020-103534d6f7f6@I-love.SAKURA.ne.jp
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-04-13 12:59:45 +02:00
Greg Kroah-Hartman
df0f5bd7a8 This is the 5.10.190 stable release
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Merge 5.10.190 into android12-5.10-lts

Changes in 5.10.190
	KVM: s390: pv: fix index value of replaced ASCE
	io_uring: don't audit the capability check in io_uring_create()
	gpio: tps68470: Make tps68470_gpio_output() always set the initial value
	btrfs: fix race between quota disable and relocation
	btrfs: fix extent buffer leak after tree mod log failure at split_node()
	i2c: Delete error messages for failed memory allocations
	i2c: Improve size determinations
	i2c: nomadik: Remove unnecessary goto label
	i2c: nomadik: Use devm_clk_get_enabled()
	i2c: nomadik: Remove a useless call in the remove function
	PCI/ASPM: Return 0 or -ETIMEDOUT from pcie_retrain_link()
	PCI/ASPM: Factor out pcie_wait_for_retrain()
	PCI/ASPM: Avoid link retraining race
	dlm: cleanup plock_op vs plock_xop
	dlm: rearrange async condition return
	fs: dlm: interrupt posix locks only when process is killed
	drm/ttm: add ttm_bo_pin()/ttm_bo_unpin() v2
	drm/ttm: never consider pinned BOs for eviction&swap
	tracing: Show real address for trace event arguments
	pwm: meson: Simplify duplicated per-channel tracking
	pwm: meson: fix handling of period/duty if greater than UINT_MAX
	ext4: fix to check return value of freeze_bdev() in ext4_shutdown()
	phy: qcom-snps: Use dev_err_probe() to simplify code
	phy: qcom-snps: correct struct qcom_snps_hsphy kerneldoc
	phy: qcom-snps-femto-v2: keep cfg_ahb_clk enabled during runtime suspend
	phy: qcom-snps-femto-v2: properly enable ref clock
	media: staging: atomisp: select V4L2_FWNODE
	i40e: Fix an NULL vs IS_ERR() bug for debugfs_create_dir()
	net: phy: marvell10g: fix 88x3310 power up
	net: hns3: reconstruct function hclge_ets_validate()
	net: hns3: fix wrong bw weight of disabled tc issue
	vxlan: move to its own directory
	vxlan: calculate correct header length for GPE
	phy: hisilicon: Fix an out of bounds check in hisi_inno_phy_probe()
	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().
	ice: Fix memory management in ice_ethtool_fdir.c
	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
	netfilter: nft_set_rbtree: fix overlap expiration walk
	netfilter: nftables: add helper function to validate set element data
	netfilter: nf_tables: skip immediate deactivate in _PREPARE_ERROR
	netfilter: nf_tables: disallow rule addition to bound chain via NFTA_RULE_CHAIN_ID
	net/sched: mqprio: refactor nlattr parsing to a separate function
	net/sched: mqprio: add extack to mqprio_parse_nlattr()
	net/sched: mqprio: Add length check for TCA_MQPRIO_{MAX/MIN}_RATE64
	benet: fix return value check in be_lancer_xmit_workarounds()
	tipc: check return value of pskb_trim()
	tipc: stop tipc crypto on failure in tipc_node_create
	RDMA/mlx4: Make check for invalid flags stricter
	drm/msm/dpu: drop enum dpu_core_perf_data_bus_id
	drm/msm/adreno: Fix snapshot BINDLESS_DATA size
	RDMA/mthca: Fix crash when polling CQ for shared QPs
	drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in a5xx_submit_in_rb()
	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
	dm raid: clean up four equivalent goto tags in raid_ctr()
	dm raid: protect md_stop() with 'reconfig_mutex'
	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()
	Revert "usb: gadget: tegra-xudc: Fix error check in tegra_xudc_powerdomain_init()"
	USB: gadget: Fix the memory leak in raw_gadget driver
	serial: qcom-geni: drop bogus runtime pm state update
	serial: 8250_dw: Preserve original value of DLF register
	serial: sifive: Fix sifive_serial_console_setup() section
	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
	Revert "usb: dwc3: core: Enable AutoRetry feature in the controller"
	usb: dwc3: pci: skip BYT GPIO lookup table for hardwired phy
	usb: dwc3: don't reset device side if dwc3 was configured as host-only
	usb: ohci-at91: Fix the unhandle interrupt when resume
	USB: quirks: add quirk for Focusrite Scarlett
	usb: xhci-mtk: set the dma max_seg_size
	Revert "usb: xhci: tegra: Fix error check"
	Documentation: security-bugs.rst: update preferences when dealing with the linux-distros group
	Documentation: security-bugs.rst: clarify CVE handling
	staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext()
	tty: n_gsm: fix UAF in gsm_cleanup_mux
	ALSA: hda/relatek: Enable Mute LED on HP 250 G8
	hwmon: (nct7802) Fix for temp6 (PECI1) processed even if PECI1 disabled
	btrfs: check for commit error at btrfs_attach_transaction_barrier()
	file: always lock position for FMODE_ATOMIC_POS
	nfsd: Remove incorrect check in nfsd4_validate_stateid
	tpm_tis: Explicitly check for error code
	irq-bcm6345-l1: Do not assume a fixed block to cpu mapping
	irqchip/gic-v4.1: Properly lock VPEs when doing a directLPI invalidation
	KVM: VMX: Invert handling of CR0.WP for EPT without unrestricted guest
	KVM: VMX: Fold ept_update_paging_mode_cr0() back into vmx_set_cr0()
	KVM: nVMX: Do not clear CR3 load/store exiting bits if L1 wants 'em
	KVM: VMX: Don't fudge CR0 and CR4 for restricted L2 guest
	staging: rtl8712: Use constants from <linux/ieee80211.h>
	staging: r8712: Fix memory leak in _r8712_init_xmit_priv()
	btrfs: check if the transaction was aborted at btrfs_wait_for_commit()
	virtio-net: fix race between set queues and probe
	s390/dasd: fix hanging device after quiesce/resume
	ASoC: wm8904: Fill the cache for WM8904_ADC_TEST_0 register
	ceph: never send metrics if disable_send_metrics is set
	dm cache policy smq: ensure IO doesn't prevent cleaner policy progress
	drm/ttm: make ttm_bo_unpin more defensive
	ACPI: processor: perflib: Use the "no limit" frequency QoS
	ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily
	cpufreq: intel_pstate: Drop ACPI _PSS states table patching
	selftests: mptcp: depend on SYN_COOKIES
	io_uring: treat -EAGAIN for REQ_F_NOWAIT as final for io-wq
	ASoC: cs42l51: fix driver to properly autoload with automatic module loading
	kprobes/x86: Fix fall-through warnings for Clang
	x86/kprobes: Do not decode opcode in resume_execution()
	x86/kprobes: Retrieve correct opcode for group instruction
	x86/kprobes: Identify far indirect JMP correctly
	x86/kprobes: Use int3 instead of debug trap for single-step
	x86/kprobes: Fix to identify indirect jmp and others using range case
	x86/kprobes: Move 'inline' to the beginning of the kprobe_is_ss() declaration
	x86/kprobes: Update kcb status flag after singlestepping
	x86/kprobes: Fix JNG/JNLE emulation
	io_uring: gate iowait schedule on having pending requests
	perf: Fix function pointer case
	loop: Select I/O scheduler 'none' from inside add_disk()
	arm64: dts: imx8mn-var-som: add missing pull-up for onboard PHY reset pinmux
	word-at-a-time: use the same return type for has_zero regardless of endianness
	KVM: s390: fix sthyi error handling
	wifi: cfg80211: Fix return value in scan logic
	net/mlx5: DR, fix memory leak in mlx5dr_cmd_create_reformat_ctx
	net/mlx5e: fix return value check in mlx5e_ipsec_remove_trailer()
	bpf: Add length check for SK_DIAG_BPF_STORAGE_REQ_MAP_FD parsing
	rtnetlink: let rtnl_bridge_setlink checks IFLA_BRIDGE_MODE length
	net: dsa: fix value check in bcm_sf2_sw_probe()
	perf test uprobe_from_different_cu: Skip if there is no gcc
	net: sched: cls_u32: Fix match key mis-addressing
	mISDN: hfcpci: Fix potential deadlock on &hc->lock
	net: annotate data-races around sk->sk_max_pacing_rate
	net: add missing READ_ONCE(sk->sk_rcvlowat) annotation
	net: add missing READ_ONCE(sk->sk_sndbuf) annotation
	net: add missing READ_ONCE(sk->sk_rcvbuf) annotation
	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_fw: 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
	bpf: sockmap: Remove preempt_disable in sock_map_sk_acquire
	net: ll_temac: Switch to use dev_err_probe() helper
	net: ll_temac: fix error checking of irq_of_parse_and_map()
	net: netsec: Ignore 'phy-mode' on SynQuacer in DT mode
	net: dcb: choose correct policy to parse DCB_ATTR_BCN
	s390/qeth: Don't call dev_close/dev_open (DOWN/UP)
	ip6mr: Fix skb_under_panic in ip6mr_cache_report()
	vxlan: Fix nexthop hash size
	net/mlx5: fs_core: Make find_closest_ft more generic
	net/mlx5: fs_core: Skip the FTs in the same FS_TYPE_PRIO_CHAINS fs_prio
	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
	scsi: zfcp: Defer fc_rport blocking until after ADISC response
	libceph: fix potential hang in ceph_osdc_notify()
	USB: zaurus: Add ID for A-300/B-500/C-700
	ceph: defer stopping mdsc delayed_work
	exfat: use kvmalloc_array/kvfree instead of kmalloc_array/kfree
	exfat: release s_lock before calling dir_emit()
	mtd: spinand: toshiba: Fix ecc_get_status
	mtd: rawnand: meson: fix OOB available bytes for ECC
	arm64: dts: stratix10: fix incorrect I2C property for SCL signal
	net: tun_chr_open(): set sk_uid from current_fsuid()
	net: tap_open(): set sk_uid from current_fsuid()
	bpf: Disable preemption in bpf_event_output
	open: make RESOLVE_CACHED correctly test for O_TMPFILE
	drm/ttm: check null pointer before accessing when swapping
	file: reinstate f_pos locking optimization for regular files
	tracing: Fix sleeping while atomic in kdb ftdump
	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
	fs: Protect reconfiguration of sb read-write from racing writes
	ext2: Drop fragment support
	mtd: rawnand: omap_elm: Fix incorrect type in assignment
	mtd: rawnand: fsl_upm: Fix an off-by one test in fun_exec_op()
	powerpc/mm/altmap: Fix altmap boundary check
	selftests/rseq: check if libc rseq support is registered
	selftests/rseq: Play nice with binaries statically linked against glibc 2.35+
	soundwire: bus: add better dev_dbg to track complete() calls
	soundwire: bus: pm_runtime_request_resume on peripheral attachment
	soundwire: fix enumeration completion
	PM / wakeirq: support enabling wake-up irq after runtime_suspend called
	PM: sleep: wakeirq: fix wake irq arming
	exfat: speed up iterate/lookup by fixing start point of traversing cluster chain
	exfat: support dynamic allocate bh for exfat_entry_set_cache
	exfat: check if filename entries exceeds max filename length
	mt76: move band capabilities in mt76_phy
	mt76: mt7615: Fix fall-through warnings for Clang
	wifi: mt76: mt7615: do not advertise 5 GHz on first phy of MT7615D (DBDC)
	ARM: dts: imx: add usb alias
	ARM: dts: imx6sll: fixup of operating points
	ARM: dts: nxp/imx6sll: fix wrong property name in usbphy node
	x86/CPU/AMD: Do not leak quotient data after a division by 0
	Linux 5.10.190

Fix up build problem in ext4 due to merge of ed3d841f2f ("ext4: fix to
check return value of freeze_bdev() in ext4_shutdown()") conflicting
with a previous block layer core change coming in through the f2fs tree
in the past, that is not upstream, but ANDROID specific.

Change-Id: Ib95e59ce8ba653bcc791802735afafcd26bd996f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2023-08-25 12:26:58 +00:00
Prince Kumar Maurya
7f740bc696 fs/sysv: Null check to prevent null-ptr-deref bug
commit ea2b62f305893992156a798f665847e0663c9f41 upstream.

sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on
that leads to the null-ptr-deref bug.

Reported-by: syzbot+aad58150cbc64ba41bdc@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=aad58150cbc64ba41bdc
Signed-off-by: Prince Kumar Maurya <princekumarmaurya06@gmail.com>
Message-Id: <20230531013141.19487-1-princekumarmaurya06@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-08-11 11:57:53 +02:00
Greg Kroah-Hartman
4922049993 This is the 5.10.163 stable release
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Merge 5.10.163 into android12-5.10-lts

Changes in 5.10.163
	usb: musb: remove extra check in musb_gadget_vbus_draw
	arm64: dts: qcom: ipq6018-cp01-c1: use BLSPI1 pins
	arm64: dts: qcom: msm8996: fix GPU OPP table
	ARM: dts: qcom: apq8064: fix coresight compatible
	arm64: dts: qcom: sdm630: fix UART1 pin bias
	arm64: dts: qcom: sdm845-cheza: fix AP suspend pin bias
	arm64: dts: qcom: msm8916: Drop MSS fallback compatible
	objtool, kcsan: Add volatile read/write instrumentation to whitelist
	ARM: dts: stm32: Drop stm32mp15xc.dtsi from Avenger96
	ARM: dts: stm32: Fix AV96 WLAN regulator gpio property
	drivers: soc: ti: knav_qmss_queue: Mark knav_acc_firmwares as static
	soc: qcom: llcc: make irq truly optional
	soc: qcom: apr: make code more reuseable
	soc: qcom: apr: Add check for idr_alloc and of_property_read_string_index
	arm: dts: spear600: Fix clcd interrupt
	soc: ti: knav_qmss_queue: Use pm_runtime_resume_and_get instead of pm_runtime_get_sync
	soc: ti: knav_qmss_queue: Fix PM disable depth imbalance in knav_queue_probe
	soc: ti: smartreflex: Fix PM disable depth imbalance in omap_sr_probe
	perf: arm_dsu: Fix hotplug callback leak in dsu_pmu_init()
	perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()
	arm64: dts: ti: k3-am65-main: Drop dma-coherent in crypto node
	arm64: dts: ti: k3-j721e-main: Drop dma-coherent in crypto node
	arm64: dts: mt2712e: Fix unit_address_vs_reg warning for oscillators
	arm64: dts: mt2712e: Fix unit address for pinctrl node
	arm64: dts: mt2712-evb: Fix vproc fixed regulators unit names
	arm64: dts: mt2712-evb: Fix usb vbus regulators unit names
	arm64: dts: mediatek: pumpkin-common: Fix devicetree warnings
	arm64: dts: mediatek: mt6797: Fix 26M oscillator unit name
	ARM: dts: dove: Fix assigned-addresses for every PCIe Root Port
	ARM: dts: armada-370: Fix assigned-addresses for every PCIe Root Port
	ARM: dts: armada-xp: Fix assigned-addresses for every PCIe Root Port
	ARM: dts: armada-375: Fix assigned-addresses for every PCIe Root Port
	ARM: dts: armada-38x: Fix assigned-addresses for every PCIe Root Port
	ARM: dts: armada-39x: Fix assigned-addresses for every PCIe Root Port
	ARM: dts: turris-omnia: Add ethernet aliases
	ARM: dts: turris-omnia: Add switch port 6 node
	arm64: dts: armada-3720-turris-mox: Add missing interrupt for RTC
	pstore/ram: Fix error return code in ramoops_probe()
	ARM: mmp: fix timer_read delay
	pstore: Avoid kcore oops by vmap()ing with VM_IOREMAP
	tpm/tpm_ftpm_tee: Fix error handling in ftpm_mod_init()
	tpm/tpm_crb: Fix error message in __crb_relinquish_locality()
	sched/fair: Cleanup task_util and capacity type
	sched/uclamp: Fix relationship between uclamp and migration margin
	cpuidle: dt: Return the correct numbers of parsed idle states
	alpha: fix syscall entry in !AUDUT_SYSCALL case
	PM: hibernate: Fix mistake in kerneldoc comment
	fs: don't audit the capability check in simple_xattr_list()
	cpufreq: qcom-hw: Fix memory leak in qcom_cpufreq_hw_read_lut()
	selftests/ftrace: event_triggers: wait longer for test_event_enable
	perf: Fix possible memleak in pmu_dev_alloc()
	lib/debugobjects: fix stat count and optimize debug_objects_mem_init
	platform/x86: huawei-wmi: fix return value calculation
	timerqueue: Use rb_entry_safe() in timerqueue_getnext()
	proc: fixup uptime selftest
	lib/fonts: fix undefined behavior in bit shift for get_default_font
	ocfs2: fix memory leak in ocfs2_stack_glue_init()
	MIPS: vpe-mt: fix possible memory leak while module exiting
	MIPS: vpe-cmp: fix possible memory leak while module exiting
	selftests/efivarfs: Add checking of the test return value
	PNP: fix name memory leak in pnp_alloc_dev()
	perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()
	perf/x86/intel/uncore: Fix reference count leak in snr_uncore_mmio_map()
	perf/x86/intel/uncore: Fix reference count leak in __uncore_imc_init_box()
	platform/chrome: cros_usbpd_notify: Fix error handling in cros_usbpd_notify_init()
	irqchip: gic-pm: Use pm_runtime_resume_and_get() in gic_probe()
	EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper()
	nfsd: don't call nfsd_file_put from client states seqfile display
	genirq/irqdesc: Don't try to remove non-existing sysfs files
	cpufreq: amd_freq_sensitivity: Add missing pci_dev_put()
	libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
	lib/notifier-error-inject: fix error when writing -errno to debugfs file
	docs: fault-injection: fix non-working usage of negative values
	debugfs: fix error when writing negative value to atomic_t debugfs file
	ocfs2: ocfs2_mount_volume does cleanup job before return error
	ocfs2: rewrite error handling of ocfs2_fill_super
	ocfs2: fix memory leak in ocfs2_mount_volume()
	rapidio: fix possible name leaks when rio_add_device() fails
	rapidio: rio: fix possible name leak in rio_register_mport()
	clocksource/drivers/sh_cmt: Make sure channel clock supply is enabled
	clocksource/drivers/sh_cmt: Access registers according to spec
	futex: Move to kernel/futex/
	futex: Resend potentially swallowed owner death notification
	cpu/hotplug: Make target_store() a nop when target == state
	clocksource/drivers/timer-ti-dm: Fix missing clk_disable_unprepare in dmtimer_systimer_init_clock()
	ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()
	uprobes/x86: Allow to probe a NOP instruction with 0x66 prefix
	x86/xen: Fix memory leak in xen_smp_intr_init{_pv}()
	x86/xen: Fix memory leak in xen_init_lock_cpu()
	xen/privcmd: Fix a possible warning in privcmd_ioctl_mmap_resource()
	PM: runtime: Improve path in rpm_idle() when no callback
	PM: runtime: Do not call __rpm_callback() from rpm_idle()
	platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()
	platform/x86: intel_scu_ipc: fix possible name leak in __intel_scu_ipc_register()
	MIPS: BCM63xx: Add check for NULL for clk in clk_enable
	MIPS: OCTEON: warn only once if deprecated link status is being used
	fs: sysv: Fix sysv_nblocks() returns wrong value
	rapidio: fix possible UAF when kfifo_alloc() fails
	eventfd: change int to __u64 in eventfd_signal() ifndef CONFIG_EVENTFD
	relay: fix type mismatch when allocating memory in relay_create_buf()
	hfs: Fix OOB Write in hfs_asc2mac
	rapidio: devices: fix missing put_device in mport_cdev_open
	wifi: ath9k: hif_usb: fix memory leak of urbs in ath9k_hif_usb_dealloc_tx_urbs()
	wifi: ath9k: hif_usb: Fix use-after-free in ath9k_hif_usb_reg_in_cb()
	wifi: rtl8xxxu: Fix reading the vendor of combo chips
	drm/bridge: adv7533: remove dynamic lane switching from adv7533 bridge
	libbpf: Fix use-after-free in btf_dump_name_dups
	libbpf: Fix null-pointer dereference in find_prog_by_sec_insn()
	pata_ipx4xx_cf: Fix unsigned comparison with less than zero
	media: coda: jpeg: Add check for kmalloc
	media: i2c: ad5820: Fix error path
	venus: pm_helpers: Fix error check in vcodec_domains_get()
	media: exynos4-is: Use v4l2_async_notifier_add_fwnode_remote_subdev
	media: exynos4-is: don't rely on the v4l2_async_subdev internals
	can: kvaser_usb: do not increase tx statistics when sending error message frames
	can: kvaser_usb: kvaser_usb_leaf: Get capabilities from device
	can: kvaser_usb: kvaser_usb_leaf: Rename {leaf,usbcan}_cmd_error_event to {leaf,usbcan}_cmd_can_error_event
	can: kvaser_usb: kvaser_usb_leaf: Handle CMD_ERROR_EVENT
	can: kvaser_usb_leaf: Set Warning state even without bus errors
	can: kvaser_usb_leaf: Fix improved state not being reported
	can: kvaser_usb_leaf: Fix wrong CAN state after stopping
	can: kvaser_usb_leaf: Fix bogus restart events
	can: kvaser_usb: Add struct kvaser_usb_busparams
	can: kvaser_usb: Compare requested bittiming parameters with actual parameters in do_set_{,data}_bittiming
	drm/rockchip: lvds: fix PM usage counter unbalance in poweron
	clk: renesas: r9a06g032: Repair grave increment error
	spi: Update reference to struct spi_controller
	drm/panel/panel-sitronix-st7701: Remove panel on DSI attach failure
	ima: Fix fall-through warnings for Clang
	ima: Handle -ESTALE returned by ima_filter_rule_match()
	drm/msm/hdmi: switch to drm_bridge_connector
	drm/msm/hdmi: drop unused GPIO support
	bpf: Fix slot type check in check_stack_write_var_off
	media: vivid: fix compose size exceed boundary
	media: platform: exynos4-is: fix return value check in fimc_md_probe()
	bpf: propagate precision in ALU/ALU64 operations
	bpf: Check the other end of slot_type for STACK_SPILL
	bpf: propagate precision across all frames, not just the last one
	clk: qcom: gcc-sm8250: Use retention mode for USB GDSCs
	mtd: Fix device name leak when register device failed in add_mtd_device()
	Input: joystick - fix Kconfig warning for JOYSTICK_ADC
	wifi: rsi: Fix handling of 802.3 EAPOL frames sent via control port
	media: camss: Clean up received buffers on failed start of streaming
	net, proc: Provide PROC_FS=n fallback for proc_create_net_single_write()
	rxrpc: Fix ack.bufferSize to be 0 when generating an ack
	drm/radeon: Add the missed acpi_put_table() to fix memory leak
	drm/mediatek: Modify dpi power on/off sequence.
	ASoC: pxa: fix null-pointer dereference in filter()
	regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()
	amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()
	drm/fourcc: Add packed 10bit YUV 4:2:0 format
	drm/fourcc: Fix vsub/hsub for Q410 and Q401
	integrity: Fix memory leakage in keyring allocation error path
	ima: Fix misuse of dereference of pointer in template_desc_init_fields()
	wifi: ath10k: Fix return value in ath10k_pci_init()
	mtd: lpddr2_nvm: Fix possible null-ptr-deref
	Input: elants_i2c - properly handle the reset GPIO when power is off
	media: vidtv: Fix use-after-free in vidtv_bridge_dvb_init()
	media: solo6x10: fix possible memory leak in solo_sysfs_init()
	media: platform: exynos4-is: Fix error handling in fimc_md_init()
	media: videobuf-dma-contig: use dma_mmap_coherent
	inet: add READ_ONCE(sk->sk_bound_dev_if) in inet_csk_bind_conflict()
	bpf: Move skb->len == 0 checks into __bpf_redirect
	HID: hid-sensor-custom: set fixed size for custom attributes
	ALSA: pcm: fix undefined behavior in bit shift for SNDRV_PCM_RATE_KNOT
	ALSA: seq: fix undefined behavior in bit shift for SNDRV_SEQ_FILTER_USE_EVENT
	regulator: core: use kfree_const() to free space conditionally
	clk: rockchip: Fix memory leak in rockchip_clk_register_pll()
	drm/amdgpu: fix pci device refcount leak
	bonding: fix link recovery in mode 2 when updelay is nonzero
	mtd: maps: pxa2xx-flash: fix memory leak in probe
	drbd: fix an invalid memory access caused by incorrect use of list iterator
	ASoC: qcom: Add checks for devm_kcalloc
	media: vimc: Fix wrong function called when vimc_init() fails
	media: imon: fix a race condition in send_packet()
	clk: imx: replace osc_hdmi with dummy
	pinctrl: pinconf-generic: add missing of_node_put()
	media: dvb-core: Fix ignored return value in dvb_register_frontend()
	media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()
	media: s5p-mfc: Add variant data for MFC v7 hardware for Exynos 3250 SoC
	drm/tegra: Add missing clk_disable_unprepare() in tegra_dc_probe()
	ASoC: dt-bindings: wcd9335: fix reset line polarity in example
	ASoC: mediatek: mtk-btcvsd: Add checks for write and read of mtk_btcvsd_snd
	NFSv4.2: Clear FATTR4_WORD2_SECURITY_LABEL when done decoding
	NFSv4.2: Fix a memory stomp in decode_attr_security_label
	NFSv4.2: Fix initialisation of struct nfs4_label
	NFSv4: Fix a deadlock between nfs4_open_recover_helper() and delegreturn
	NFS: Fix an Oops in nfs_d_automount()
	ALSA: asihpi: fix missing pci_disable_device()
	wifi: iwlwifi: mvm: fix double free on tx path.
	ASoC: mediatek: mt8173: Fix debugfs registration for components
	ASoC: mediatek: mt8173: Enable IRQ when pdata is ready
	drm/amd/pm/smu11: BACO is supported when it's in BACO state
	drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()
	drm/amdgpu: Fix PCI device refcount leak in amdgpu_atrm_get_bios()
	ASoC: pcm512x: Fix PM disable depth imbalance in pcm512x_probe
	netfilter: conntrack: set icmpv6 redirects as RELATED
	bpf, sockmap: Fix repeated calls to sock_put() when msg has more_data
	bpf, sockmap: Fix data loss caused by using apply_bytes on ingress redirect
	bonding: uninitialized variable in bond_miimon_inspect()
	spi: spidev: mask SPI_CS_HIGH in SPI_IOC_RD_MODE
	wifi: mac80211: fix memory leak in ieee80211_if_add()
	wifi: cfg80211: Fix not unregister reg_pdev when load_builtin_regdb_keys() fails
	wifi: mt76: fix coverity overrun-call in mt76_get_txpower()
	regulator: core: fix module refcount leak in set_supply()
	clk: qcom: clk-krait: fix wrong div2 functions
	hsr: Add a rcu-read lock to hsr_forward_skb().
	net: hsr: generate supervision frame without HSR/PRP tag
	hsr: Disable netpoll.
	hsr: Synchronize sending frames to have always incremented outgoing seq nr.
	hsr: Synchronize sequence number updates.
	configfs: fix possible memory leak in configfs_create_dir()
	regulator: core: fix resource leak in regulator_register()
	hwmon: (jc42) Convert register access and caching to regmap/regcache
	hwmon: (jc42) Restore the min/max/critical temperatures on resume
	bpf, sockmap: fix race in sock_map_free()
	ALSA: pcm: Set missing stop_operating flag at undoing trigger start
	media: saa7164: fix missing pci_disable_device()
	ALSA: mts64: fix possible null-ptr-defer in snd_mts64_interrupt
	xprtrdma: Fix regbuf data not freed in rpcrdma_req_create()
	SUNRPC: Fix missing release socket in rpc_sockname()
	NFSv4.x: Fail client initialisation if state manager thread can't run
	mmc: alcor: fix return value check of mmc_add_host()
	mmc: moxart: fix return value check of mmc_add_host()
	mmc: mxcmmc: fix return value check of mmc_add_host()
	mmc: pxamci: fix return value check of mmc_add_host()
	mmc: rtsx_usb_sdmmc: fix return value check of mmc_add_host()
	mmc: toshsd: fix return value check of mmc_add_host()
	mmc: vub300: fix return value check of mmc_add_host()
	mmc: wmt-sdmmc: fix return value check of mmc_add_host()
	mmc: atmel-mci: fix return value check of mmc_add_host()
	mmc: omap_hsmmc: fix return value check of mmc_add_host()
	mmc: meson-gx: fix return value check of mmc_add_host()
	mmc: via-sdmmc: fix return value check of mmc_add_host()
	mmc: wbsd: fix return value check of mmc_add_host()
	mmc: mmci: fix return value check of mmc_add_host()
	media: c8sectpfe: Add of_node_put() when breaking out of loop
	media: coda: Add check for dcoda_iram_alloc
	media: coda: Add check for kmalloc
	clk: samsung: Fix memory leak in _samsung_clk_register_pll()
	spi: spi-gpio: Don't set MOSI as an input if not 3WIRE mode
	wifi: rtl8xxxu: Add __packed to struct rtl8723bu_c2h
	wifi: rtl8xxxu: Fix the channel width reporting
	wifi: brcmfmac: Fix error return code in brcmf_sdio_download_firmware()
	blktrace: Fix output non-blktrace event when blk_classic option enabled
	clk: socfpga: clk-pll: Remove unused variable 'rc'
	clk: socfpga: use clk_hw_register for a5/c5
	clk: socfpga: Fix memory leak in socfpga_gate_init()
	net: vmw_vsock: vmci: Check memcpy_from_msg()
	net: defxx: Fix missing err handling in dfx_init()
	net: stmmac: selftests: fix potential memleak in stmmac_test_arpoffload()
	drivers: net: qlcnic: Fix potential memory leak in qlcnic_sriov_init()
	of: overlay: fix null pointer dereferencing in find_dup_cset_node_entry() and find_dup_cset_prop()
	ethernet: s2io: don't call dev_kfree_skb() under spin_lock_irqsave()
	net: farsync: Fix kmemleak when rmmods farsync
	net/tunnel: wait until all sk_user_data reader finish before releasing the sock
	net: apple: mace: don't call dev_kfree_skb() under spin_lock_irqsave()
	net: apple: bmac: don't call dev_kfree_skb() under spin_lock_irqsave()
	net: emaclite: don't call dev_kfree_skb() under spin_lock_irqsave()
	net: ethernet: dnet: don't call dev_kfree_skb() under spin_lock_irqsave()
	hamradio: don't call dev_kfree_skb() under spin_lock_irqsave()
	net: amd: lance: don't call dev_kfree_skb() under spin_lock_irqsave()
	net: amd-xgbe: Fix logic around active and passive cables
	net: amd-xgbe: Check only the minimum speed for active/passive cables
	can: tcan4x5x: Remove invalid write in clear_interrupts
	net: lan9303: Fix read error execution path
	ntb_netdev: Use dev_kfree_skb_any() in interrupt context
	sctp: sysctl: make extra pointers netns aware
	Bluetooth: btusb: don't call kfree_skb() under spin_lock_irqsave()
	Bluetooth: hci_qca: don't call kfree_skb() under spin_lock_irqsave()
	Bluetooth: hci_ll: don't call kfree_skb() under spin_lock_irqsave()
	Bluetooth: hci_h5: don't call kfree_skb() under spin_lock_irqsave()
	Bluetooth: hci_bcsp: don't call kfree_skb() under spin_lock_irqsave()
	Bluetooth: hci_core: don't call kfree_skb() under spin_lock_irqsave()
	Bluetooth: RFCOMM: don't call kfree_skb() under spin_lock_irqsave()
	stmmac: fix potential division by 0
	apparmor: fix a memleak in multi_transaction_new()
	apparmor: fix lockdep warning when removing a namespace
	apparmor: Fix abi check to include v8 abi
	crypto: sun8i-ss - use dma_addr instead u32
	crypto: nitrox - avoid double free on error path in nitrox_sriov_init()
	scsi: core: Fix a race between scsi_done() and scsi_timeout()
	apparmor: Use pointer to struct aa_label for lbs_cred
	PCI: dwc: Fix n_fts[] array overrun
	RDMA/core: Fix order of nldev_exit call
	PCI: pci-epf-test: Register notifier if only core_init_notifier is enabled
	f2fs: Fix the race condition of resize flag between resizefs
	crypto: rockchip - do not do custom power management
	crypto: rockchip - do not store mode globally
	crypto: rockchip - add fallback for cipher
	crypto: rockchip - add fallback for ahash
	crypto: rockchip - better handle cipher key
	crypto: rockchip - remove non-aligned handling
	crypto: rockchip - delete unneeded variable initialization
	crypto: rockchip - rework by using crypto_engine
	apparmor: Fix memleak in alloc_ns()
	f2fs: fix normal discard process
	RDMA/siw: Fix immediate work request flush to completion queue
	RDMA/nldev: Return "-EAGAIN" if the cm_id isn't from expected port
	RDMA/siw: Set defined status for work completion with undefined status
	scsi: scsi_debug: Fix a warning in resp_write_scat()
	crypto: ccree - Remove debugfs when platform_driver_register failed
	crypto: cryptd - Use request context instead of stack for sub-request
	crypto: hisilicon/qm - add missing pci_dev_put() in q_num_set()
	RDMA/hns: Repacing 'dseg_len' by macros in fill_ext_sge_inl_data()
	RDMA/hns: Fix ext_sge num error when post send
	PCI: Check for alloc failure in pci_request_irq()
	RDMA/hfi: Decrease PCI device reference count in error path
	crypto: ccree - Make cc_debugfs_global_fini() available for module init function
	RDMA/hns: fix memory leak in hns_roce_alloc_mr()
	RDMA/rxe: Fix NULL-ptr-deref in rxe_qp_do_cleanup() when socket create failed
	scsi: hpsa: Fix possible memory leak in hpsa_init_one()
	crypto: tcrypt - Fix multibuffer skcipher speed test mem leak
	padata: Always leave BHs disabled when running ->parallel()
	padata: Fix list iterator in padata_do_serial()
	scsi: mpt3sas: Fix possible resource leaks in mpt3sas_transport_port_add()
	scsi: hpsa: Fix error handling in hpsa_add_sas_host()
	scsi: hpsa: Fix possible memory leak in hpsa_add_sas_device()
	scsi: scsi_debug: Fix a warning in resp_verify()
	scsi: scsi_debug: Fix a warning in resp_report_zones()
	scsi: fcoe: Fix possible name leak when device_register() fails
	scsi: scsi_debug: Fix possible name leak in sdebug_add_host_helper()
	scsi: ipr: Fix WARNING in ipr_init()
	scsi: fcoe: Fix transport not deattached when fcoe_if_init() fails
	scsi: snic: Fix possible UAF in snic_tgt_create()
	RDMA/nldev: Add checks for nla_nest_start() in fill_stat_counter_qps()
	f2fs: avoid victim selection from previous victim section
	RDMA/nldev: Fix failure to send large messages
	crypto: amlogic - Remove kcalloc without check
	crypto: omap-sham - Use pm_runtime_resume_and_get() in omap_sham_probe()
	riscv/mm: add arch hook arch_clear_hugepage_flags
	RDMA/hfi1: Fix error return code in parse_platform_config()
	RDMA/srp: Fix error return code in srp_parse_options()
	orangefs: Fix sysfs not cleanup when dev init failed
	RDMA/hns: Fix PBL page MTR find
	RDMA/hns: Fix page size cap from firmware
	crypto: img-hash - Fix variable dereferenced before check 'hdev->req'
	hwrng: amd - Fix PCI device refcount leak
	hwrng: geode - Fix PCI device refcount leak
	IB/IPoIB: Fix queue count inconsistency for PKEY child interfaces
	drivers: dio: fix possible memory leak in dio_init()
	serial: tegra: Read DMA status before terminating
	class: fix possible memory leak in __class_register()
	vfio: platform: Do not pass return buffer to ACPI _RST method
	uio: uio_dmem_genirq: Fix missing unlock in irq configuration
	uio: uio_dmem_genirq: Fix deadlock between irq config and handling
	usb: fotg210-udc: Fix ages old endianness issues
	staging: vme_user: Fix possible UAF in tsi148_dma_list_add
	usb: typec: Check for ops->exit instead of ops->enter in altmode_exit
	usb: typec: tcpci: fix of node refcount leak in tcpci_register_port()
	usb: typec: tipd: Fix spurious fwnode_handle_put in error path
	serial: amba-pl011: avoid SBSA UART accessing DMACR register
	serial: pl011: Do not clear RX FIFO & RX interrupt in unthrottle.
	serial: pch: Fix PCI device refcount leak in pch_request_dma()
	tty: serial: clean up stop-tx part in altera_uart_tx_chars()
	tty: serial: altera_uart_{r,t}x_chars() need only uart_port
	serial: altera_uart: fix locking in polling mode
	serial: sunsab: Fix error handling in sunsab_init()
	test_firmware: fix memory leak in test_firmware_init()
	misc: ocxl: fix possible name leak in ocxl_file_register_afu()
	ocxl: fix pci device refcount leak when calling get_function_0()
	misc: tifm: fix possible memory leak in tifm_7xx1_switch_media()
	misc: sgi-gru: fix use-after-free error in gru_set_context_option, gru_fault and gru_handle_user_call_os
	firmware: raspberrypi: fix possible memory leak in rpi_firmware_probe()
	cxl: fix possible null-ptr-deref in cxl_guest_init_afu|adapter()
	cxl: fix possible null-ptr-deref in cxl_pci_init_afu|adapter()
	iio: temperature: ltc2983: make bulk write buffer DMA-safe
	genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()
	iio:imu:adis: Use IRQF_NO_AUTOEN instead of irq request then disable
	iio: adis: handle devices that cannot unmask the drdy pin
	iio: adis: stylistic changes
	iio:imu:adis: Move exports into IIO_ADISLIB namespace
	iio: adis: add '__adis_enable_irq()' implementation
	counter: stm32-lptimer-cnt: fix the check on arr and cmp registers update
	usb: roles: fix of node refcount leak in usb_role_switch_is_parent()
	usb: gadget: f_hid: optional SETUP/SET_REPORT mode
	usb: gadget: f_hid: fix f_hidg lifetime vs cdev
	usb: gadget: f_hid: fix refcount leak on error path
	drivers: mcb: fix resource leak in mcb_probe()
	mcb: mcb-parse: fix error handing in chameleon_parse_gdd()
	chardev: fix error handling in cdev_device_add()
	i2c: pxa-pci: fix missing pci_disable_device() on error in ce4100_i2c_probe
	staging: rtl8192u: Fix use after free in ieee80211_rx()
	staging: rtl8192e: Fix potential use-after-free in rtllib_rx_Monitor()
	vme: Fix error not catched in fake_init()
	gpiolib: Get rid of redundant 'else'
	gpiolib: cdev: fix NULL-pointer dereferences
	i2c: mux: reg: check return value after calling platform_get_resource()
	i2c: ismt: Fix an out-of-bounds bug in ismt_access()
	usb: storage: Add check for kcalloc
	tracing/hist: Fix issue of losting command info in error_log
	samples: vfio-mdev: Fix missing pci_disable_device() in mdpy_fb_probe()
	thermal/drivers/imx8mm_thermal: Validate temperature range
	fbdev: ssd1307fb: Drop optional dependency
	fbdev: pm2fb: fix missing pci_disable_device()
	fbdev: via: Fix error in via_core_init()
	fbdev: vermilion: decrease reference count in error path
	fbdev: uvesafb: Fixes an error handling path in uvesafb_probe()
	HSI: omap_ssi_core: fix unbalanced pm_runtime_disable()
	HSI: omap_ssi_core: fix possible memory leak in ssi_probe()
	power: supply: fix residue sysfs file in error handle route of __power_supply_register()
	perf trace: Return error if a system call doesn't exist
	perf trace: Use macro RAW_SYSCALL_ARGS_NUM to replace number
	perf trace: Handle failure when trace point folder is missed
	perf symbol: correction while adjusting symbol
	HSI: omap_ssi_core: Fix error handling in ssi_init()
	power: supply: fix null pointer dereferencing in power_supply_get_battery_info
	RDMA/siw: Fix pointer cast warning
	iommu/sun50i: Fix reset release
	iommu/sun50i: Consider all fault sources for reset
	iommu/sun50i: Fix R/W permission check
	iommu/sun50i: Fix flush size
	phy: usb: s2 WoL wakeup_count not incremented for USB->Eth devices
	include/uapi/linux/swab: Fix potentially missing __always_inline
	pwm: tegra: Improve required rate calculation
	dmaengine: idxd: Fix crc_val field for completion record
	rtc: rtc-cmos: Do not check ACPI_FADT_LOW_POWER_S0
	rtc: cmos: Fix event handler registration ordering issue
	rtc: cmos: Fix wake alarm breakage
	rtc: cmos: fix build on non-ACPI platforms
	rtc: cmos: Call cmos_wake_setup() from cmos_do_probe()
	rtc: cmos: Call rtc_wake_setup() from cmos_do_probe()
	rtc: cmos: Eliminate forward declarations of some functions
	rtc: cmos: Rename ACPI-related functions
	rtc: cmos: Disable ACPI RTC event on removal
	rtc: snvs: Allow a time difference on clock register read
	rtc: pcf85063: Fix reading alarm
	iommu/amd: Fix pci device refcount leak in ppr_notifier()
	iommu/fsl_pamu: Fix resource leak in fsl_pamu_probe()
	macintosh: fix possible memory leak in macio_add_one_device()
	macintosh/macio-adb: check the return value of ioremap()
	powerpc/52xx: Fix a resource leak in an error handling path
	cxl: Fix refcount leak in cxl_calc_capp_routing
	powerpc/xmon: Enable breakpoints on 8xx
	powerpc/xmon: Fix -Wswitch-unreachable warning in bpt_cmds
	powerpc/xive: add missing iounmap() in error path in xive_spapr_populate_irq_data()
	kbuild: remove unneeded mkdir for external modules_install
	kbuild: unify modules(_install) for in-tree and external modules
	kbuild: refactor single builds of *.ko
	powerpc/perf: callchain validate kernel stack pointer bounds
	powerpc/83xx/mpc832x_rdb: call platform_device_put() in error case in of_fsl_spi_probe()
	powerpc/hv-gpci: Fix hv_gpci event list
	selftests/powerpc: Fix resource leaks
	iommu/sun50i: Remove IOMMU_DOMAIN_IDENTITY
	pwm: sifive: Call pwm_sifive_update_clock() while mutex is held
	remoteproc: sysmon: fix memory leak in qcom_add_sysmon_subdev()
	remoteproc: qcom_q6v5_pas: disable wakeup on probe fail or remove
	remoteproc: qcom_q6v5_pas: detach power domains on remove
	remoteproc: qcom_q6v5_pas: Fix missing of_node_put() in adsp_alloc_memory_region()
	powerpc/eeh: Drop redundant spinlock initialization
	powerpc/pseries/eeh: use correct API for error log size
	netfilter: flowtable: really fix NAT IPv6 offload
	rtc: st-lpc: Add missing clk_disable_unprepare in st_rtc_probe()
	rtc: pic32: Move devm_rtc_allocate_device earlier in pic32_rtc_probe()
	rtc: pcf85063: fix pcf85063_clkout_control
	NFSD: Remove spurious cb_setup_err tracepoint
	nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure
	net: macsec: fix net device access prior to holding a lock
	mISDN: hfcsusb: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave()
	mISDN: hfcpci: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave()
	mISDN: hfcmulti: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave()
	nfc: pn533: Clear nfc_target before being used
	r6040: Fix kmemleak in probe and remove
	net: switch to storing KCOV handle directly in sk_buff
	net: add inline function skb_csum_is_sctp
	net: igc: use skb_csum_is_sctp instead of protocol check
	net: add a helper to avoid issues with HW TX timestamping and SO_TXTIME
	igc: Enhance Qbv scheduling by using first flag bit
	igc: Use strict cycles for Qbv scheduling
	igc: Add checking for basetime less than zero
	igc: recalculate Qbv end_time by considering cycle time
	igc: Lift TAPRIO schedule restriction
	igc: Set Qbv start_time and end_time to end_time if not being configured in GCL
	rtc: mxc_v2: Add missing clk_disable_unprepare()
	selftests: devlink: fix the fd redirect in dummy_reporter_test
	openvswitch: Fix flow lookup to use unmasked key
	skbuff: Account for tail adjustment during pull operations
	mailbox: zynq-ipi: fix error handling while device_register() fails
	net_sched: reject TCF_EM_SIMPLE case for complex ematch module
	rxrpc: Fix missing unlock in rxrpc_do_sendmsg()
	myri10ge: Fix an error handling path in myri10ge_probe()
	net: stream: purge sk_error_queue in sk_stream_kill_queues()
	rcu: Fix __this_cpu_read() lockdep warning in rcu_force_quiescent_state()
	arm64: make is_ttbrX_addr() noinstr-safe
	video: hyperv_fb: Avoid taking busy spinlock on panic path
	x86/hyperv: Remove unregister syscore call from Hyper-V cleanup
	binfmt_misc: fix shift-out-of-bounds in check_special_flags
	fs: jfs: fix shift-out-of-bounds in dbAllocAG
	udf: Avoid double brelse() in udf_rename()
	fs: jfs: fix shift-out-of-bounds in dbDiscardAG
	ACPICA: Fix error code path in acpi_ds_call_control_method()
	nilfs2: fix shift-out-of-bounds/overflow in nilfs_sb2_bad_offset()
	nilfs2: fix shift-out-of-bounds due to too large exponent of block size
	acct: fix potential integer overflow in encode_comp_t()
	hfs: fix OOB Read in __hfs_brec_find
	drm/etnaviv: add missing quirks for GC300
	brcmfmac: return error when getting invalid max_flowrings from dongle
	wifi: ath9k: verify the expected usb_endpoints are present
	wifi: ar5523: Fix use-after-free on ar5523_cmd() timed out
	ASoC: codecs: rt298: Add quirk for KBL-R RVP platform
	ipmi: fix memleak when unload ipmi driver
	drm/amd/display: prevent memory leak
	qed (gcc13): use u16 for fid to be big enough
	bpf: make sure skb->len != 0 when redirecting to a tunneling device
	net: ethernet: ti: Fix return type of netcp_ndo_start_xmit()
	hamradio: baycom_epp: Fix return type of baycom_send_packet()
	wifi: brcmfmac: Fix potential shift-out-of-bounds in brcmf_fw_alloc_request()
	igb: Do not free q_vector unless new one was allocated
	drm/amdgpu: Fix type of second parameter in trans_msg() callback
	drm/amdgpu: Fix type of second parameter in odn_edit_dpm_table() callback
	s390/ctcm: Fix return type of ctc{mp,}m_tx()
	s390/netiucv: Fix return type of netiucv_tx()
	s390/lcs: Fix return type of lcs_start_xmit()
	drm/msm: Use drm_mode_copy()
	drm/rockchip: Use drm_mode_copy()
	drm/sti: Use drm_mode_copy()
	drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
	md/raid1: stop mdx_raid1 thread when raid1 array run failed
	drm/amd/display: fix array index out of bound error in bios parser
	net: add atomic_long_t to net_device_stats fields
	mrp: introduce active flags to prevent UAF when applicant uninit
	ppp: associate skb with a device at tx
	bpf: Prevent decl_tag from being referenced in func_proto arg
	ethtool: avoiding integer overflow in ethtool_phys_id()
	media: dvb-frontends: fix leak of memory fw
	media: dvbdev: adopts refcnt to avoid UAF
	media: dvb-usb: fix memory leak in dvb_usb_adapter_init()
	blk-mq: fix possible memleak when register 'hctx' failed
	libbpf: Avoid enum forward-declarations in public API in C++ mode
	regulator: core: fix use_count leakage when handling boot-on
	mmc: f-sdh30: Add quirks for broken timeout clock capability
	mmc: renesas_sdhi: better reset from HS400 mode
	media: si470x: Fix use-after-free in si470x_int_in_callback()
	clk: st: Fix memory leak in st_of_quadfs_setup()
	hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()
	drm/fsl-dcu: Fix return type of fsl_dcu_drm_connector_mode_valid()
	drm/sti: Fix return type of sti_{dvo,hda,hdmi}_connector_mode_valid()
	orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()
	orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()
	hwmon: (jc42) Fix missing unlock on error in jc42_write()
	ALSA/ASoC: hda: move/rename snd_hdac_ext_stop_streams to hdac_stream.c
	ALSA: hda: add snd_hdac_stop_streams() helper
	ASoC: Intel: Skylake: Fix driver hang during shutdown
	ASoC: mediatek: mt8173-rt5650-rt5514: fix refcount leak in mt8173_rt5650_rt5514_dev_probe()
	ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link()
	ASoC: rockchip: pdm: Add missing clk_disable_unprepare() in rockchip_pdm_runtime_resume()
	ASoC: wm8994: Fix potential deadlock
	ASoC: rockchip: spdif: Add missing clk_disable_unprepare() in rk_spdif_runtime_resume()
	ASoC: rt5670: Remove unbalanced pm_runtime_put()
	LoadPin: Ignore the "contents" argument of the LSM hooks
	pstore: Switch pmsg_lock to an rt_mutex to avoid priority inversion
	perf debug: Set debug_peo_args and redirect_to_stderr variable to correct values in perf_quiet_option()
	afs: Fix lost servers_outstanding count
	pstore: Make sure CONFIG_PSTORE_PMSG selects CONFIG_RT_MUTEXES
	ima: Simplify ima_lsm_copy_rule
	ALSA: usb-audio: add the quirk for KT0206 device
	ALSA: hda/realtek: Add quirk for Lenovo TianYi510Pro-14IOB
	ALSA: hda/hdmi: Add HP Device 0x8711 to force connect list
	usb: dwc3: Fix race between dwc3_set_mode and __dwc3_set_mode
	usb: dwc3: core: defer probe on ulpi_read_id timeout
	HID: wacom: Ensure bootloader PID is usable in hidraw mode
	HID: mcp2221: don't connect hidraw
	reiserfs: Add missing calls to reiserfs_security_free()
	iio: adc: ad_sigma_delta: do not use internal iio_dev lock
	iio: adc128s052: add proper .data members in adc128_of_match table
	regulator: core: fix deadlock on regulator enable
	gcov: add support for checksum field
	ovl: fix use inode directly in rcu-walk mode
	media: dvbdev: fix build warning due to comments
	media: dvbdev: fix refcnt bug
	pwm: tegra: Fix 32 bit build
	usb: dwc3: qcom: Fix memory leak in dwc3_qcom_interconnect_init
	cifs: fix oops during encryption
	nvme-pci: fix doorbell buffer value endianness
	nvme-pci: fix mempool alloc size
	nvme-pci: fix page size checks
	ata: ahci: Fix PCS quirk application for suspend
	nvme: fix the NVME_CMD_EFFECTS_CSE_MASK definition
	nvmet: don't defer passthrough commands with trivial effects to the workqueue
	objtool: Fix SEGFAULT
	powerpc/rtas: avoid device tree lookups in rtas_os_term()
	powerpc/rtas: avoid scheduling in rtas_os_term()
	HID: multitouch: fix Asus ExpertBook P2 P2451FA trackpoint
	HID: plantronics: Additional PIDs for double volume key presses quirk
	pstore/zone: Use GFP_ATOMIC to allocate zone buffer
	hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount
	binfmt: Fix error return code in load_elf_fdpic_binary()
	ovl: Use ovl mounter's fsuid and fsgid in ovl_link()
	ALSA: line6: correct midi status byte when receiving data from podxt
	ALSA: line6: fix stack overflow in line6_midi_transmit
	pnode: terminate at peers of source
	md: fix a crash in mempool_free
	mm, compaction: fix fast_isolate_around() to stay within boundaries
	f2fs: should put a page when checking the summary info
	mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING
	tpm: acpi: Call acpi_put_table() to fix memory leak
	tpm: tpm_crb: Add the missed acpi_put_table() to fix memory leak
	tpm: tpm_tis: Add the missed acpi_put_table() to fix memory leak
	SUNRPC: Don't leak netobj memory when gss_read_proxy_verf() fails
	kcsan: Instrument memcpy/memset/memmove with newer Clang
	ASoC: Intel/SOF: use set_stream() instead of set_tdm_slots() for HDAudio
	ASoC/SoundWire: dai: expand 'stream' concept beyond SoundWire
	net/mlx5e: Fix nullptr in mlx5e_tc_add_fdb_flow()
	wifi: rtlwifi: remove always-true condition pointed out by GCC 12
	wifi: rtlwifi: 8192de: correct checking of IQK reload
	torture: Exclude "NOHZ tick-stop error" from fatal errors
	rcu: Prevent lockdep-RCU splats on lock acquisition/release
	net/af_packet: add VLAN support for AF_PACKET SOCK_RAW GSO
	net/af_packet: make sure to pull mac header
	media: stv0288: use explicitly signed char
	soc: qcom: Select REMAP_MMIO for LLCC driver
	kest.pl: Fix grub2 menu handling for rebooting
	ktest.pl minconfig: Unset configs instead of just removing them
	jbd2: use the correct print format
	arm64: dts: qcom: sdm845-db845c: correct SPI2 pins drive strength
	mmc: sdhci-sprd: Disable CLK_AUTO when the clock is less than 400K
	btrfs: fix resolving backrefs for inline extent followed by prealloc
	ARM: ux500: do not directly dereference __iomem
	arm64: dts: qcom: sdm850-lenovo-yoga-c630: correct I2C12 pins drive strength
	selftests: Use optional USERCFLAGS and USERLDFLAGS
	PM/devfreq: governor: Add a private governor_data for governor
	cpufreq: Init completion before kobject_init_and_add()
	ALSA: patch_realtek: Fix Dell Inspiron Plus 16
	ALSA: hda/realtek: Apply dual codec fixup for Dell Latitude laptops
	dm cache: Fix ABBA deadlock between shrink_slab and dm_cache_metadata_abort
	dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata
	dm thin: Use last transaction's pmd->root when commit failed
	dm thin: resume even if in FAIL mode
	dm thin: Fix UAF in run_timer_softirq()
	dm integrity: Fix UAF in dm_integrity_dtr()
	dm clone: Fix UAF in clone_dtr()
	dm cache: Fix UAF in destroy()
	dm cache: set needs_check flag after aborting metadata
	tracing/hist: Fix out-of-bound write on 'action_data.var_ref_idx'
	perf/core: Call LSM hook after copying perf_event_attr
	KVM: nVMX: Inject #GP, not #UD, if "generic" VMXON CR0/CR4 check fails
	x86/microcode/intel: Do not retry microcode reloading on the APs
	ftrace/x86: Add back ftrace_expected for ftrace bug reports
	x86/kprobes: Fix kprobes instruction boudary check with CONFIG_RETHUNK
	tracing/hist: Fix wrong return value in parse_action_params()
	tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line
	staging: media: tegra-video: fix chan->mipi value on error
	ARM: 9256/1: NWFPE: avoid compiler-generated __aeabi_uldivmod
	media: dvb-core: Fix double free in dvb_register_device()
	media: dvb-core: Fix UAF due to refcount races at releasing
	cifs: fix confusing debug message
	cifs: fix missing display of three mount options
	rtc: ds1347: fix value written to century register
	md/bitmap: Fix bitmap chunk size overflow issues
	efi: Add iMac Pro 2017 to uefi skip cert quirk
	wifi: wilc1000: sdio: fix module autoloading
	ASoC: jz4740-i2s: Handle independent FIFO flush bits
	ipmi: fix long wait in unload when IPMI disconnect
	mtd: spi-nor: Check for zero erase size in spi_nor_find_best_erase_type()
	ima: Fix a potential NULL pointer access in ima_restore_measurement_list
	ipmi: fix use after free in _ipmi_destroy_user()
	PCI: Fix pci_device_is_present() for VFs by checking PF
	PCI/sysfs: Fix double free in error path
	crypto: n2 - add missing hash statesize
	driver core: Fix bus_type.match() error handling in __driver_attach()
	iommu/amd: Fix ivrs_acpihid cmdline parsing code
	remoteproc: core: Do pm_relax when in RPROC_OFFLINE state
	parisc: led: Fix potential null-ptr-deref in start_task()
	device_cgroup: Roll back to original exceptions after copy failure
	drm/connector: send hotplug uevent on connector cleanup
	drm/vmwgfx: Validate the box size for the snooped cursor
	drm/i915/dsi: fix VBT send packet port selection for dual link DSI
	drm/ingenic: Fix missing platform_driver_unregister() call in ingenic_drm_init()
	ext4: silence the warning when evicting inode with dioread_nolock
	ext4: add inode table check in __ext4_get_inode_loc to aovid possible infinite loop
	ext4: fix use-after-free in ext4_orphan_cleanup
	ext4: fix undefined behavior in bit shift for ext4_check_flag_values
	ext4: add EXT4_IGET_BAD flag to prevent unexpected bad inode
	ext4: add helper to check quota inums
	ext4: fix bug_on in __es_tree_search caused by bad quota inode
	ext4: fix reserved cluster accounting in __es_remove_extent()
	ext4: check and assert if marking an no_delete evicting inode dirty
	ext4: fix bug_on in __es_tree_search caused by bad boot loader inode
	ext4: init quota for 'old.inode' in 'ext4_rename'
	ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline
	ext4: fix corruption when online resizing a 1K bigalloc fs
	ext4: fix error code return to user-space in ext4_get_branch()
	ext4: avoid BUG_ON when creating xattrs
	ext4: fix inode leak in ext4_xattr_inode_create() on an error path
	ext4: initialize quota before expanding inode in setproject ioctl
	ext4: avoid unaccounted block allocation when expanding inode
	ext4: allocate extended attribute value in vmalloc area
	drm/amdgpu: handle polaris10/11 overlap asics (v2)
	drm/amdgpu: make display pinning more flexible (v2)
	ARM: renumber bits related to _TIF_WORK_MASK
	perf/x86/intel/uncore: Generalize I/O stacks to PMON mapping procedure
	perf/x86/intel/uncore: Clear attr_update properly
	btrfs: replace strncpy() with strscpy()
	x86/mce: Get rid of msr_ops
	x86/MCE/AMD: Clear DFR errors found in THR handler
	media: s5p-mfc: Fix to handle reference queue during finishing
	media: s5p-mfc: Clear workbit to handle error condition
	media: s5p-mfc: Fix in register read and write for H264
	perf probe: Use dwarf_attr_integrate as generic DWARF attr accessor
	perf probe: Fix to get the DW_AT_decl_file and DW_AT_call_file as unsinged data
	x86/kprobes: Convert to insn_decode()
	x86/kprobes: Fix optprobe optimization check with CONFIG_RETHUNK
	staging: media: tegra-video: fix device_node use after free
	ravb: Fix "failed to switch device to config mode" message during unbind
	riscv/stacktrace: Fix stack output without ra on the stack top
	riscv: stacktrace: Fixup ftrace_graph_ret_addr retp argument
	ext4: goto right label 'failed_mount3a'
	ext4: correct inconsistent error msg in nojournal mode
	mm/highmem: Lift memcpy_[to|from]_page to core
	ext4: use memcpy_to_page() in pagecache_write()
	fs: ext4: initialize fsdata in pagecache_write()
	ext4: move functions in super.c
	ext4: simplify ext4 error translation
	ext4: fix various seppling typos
	ext4: fix leaking uninitialized memory in fast-commit journal
	ext4: use kmemdup() to replace kmalloc + memcpy
	mbcache: don't reclaim used entries
	mbcache: add functions to delete entry if unused
	ext4: remove EA inode entry from mbcache on inode eviction
	ext4: unindent codeblock in ext4_xattr_block_set()
	ext4: fix race when reusing xattr blocks
	mbcache: automatically delete entries from cache on freeing
	ext4: fix deadlock due to mbcache entry corruption
	SUNRPC: ensure the matching upcall is in-flight upon downcall
	bpf: pull before calling skb_postpull_rcsum()
	drm/panfrost: Fix GEM handle creation ref-counting
	vmxnet3: correctly report csum_level for encapsulated packet
	veth: Fix race with AF_XDP exposing old or uninitialized descriptors
	nfsd: shut down the NFSv4 state objects before the filecache
	net: hns3: add interrupts re-initialization while doing VF FLR
	net: sched: fix memory leak in tcindex_set_parms
	qlcnic: prevent ->dcb use-after-free on qlcnic_dcb_enable() failure
	nfc: Fix potential resource leaks
	vhost/vsock: Fix error handling in vhost_vsock_init()
	vringh: fix range used in iotlb_translate()
	vhost: fix range used in translate_desc()
	net/mlx5: Add forgotten cleanup calls into mlx5_init_once() error path
	net/mlx5: Avoid recovery in probe flows
	net/mlx5e: IPoIB, Don't allow CQE compression to be turned on by default
	net/mlx5e: Fix hw mtu initializing at XDP SQ allocation
	net: amd-xgbe: add missed tasklet_kill
	net: phy: xgmiitorgmii: Fix refcount leak in xgmiitorgmii_probe
	RDMA/mlx5: Fix validation of max_rd_atomic caps for DC
	drm/meson: Reduce the FIFO lines held when AFBC is not used
	filelock: new helper: vfs_inode_has_locks
	ceph: switch to vfs_inode_has_locks() to fix file lock bug
	gpio: sifive: Fix refcount leak in sifive_gpio_probe
	net: sched: atm: dont intepret cls results when asked to drop
	net: sched: cbq: dont intepret cls results when asked to drop
	netfilter: ipset: fix hash:net,port,net hang with /0 subnet
	netfilter: ipset: Rework long task execution when adding/deleting entries
	perf tools: Fix resources leak in perf_data__open_dir()
	drivers/net/bonding/bond_3ad: return when there's no aggregator
	usb: rndis_host: Secure rndis_query check against int overflow
	drm/i915: unpin on error in intel_vgpu_shadow_mm_pin()
	caif: fix memory leak in cfctrl_linkup_request()
	udf: Fix extension of the last extent in the file
	ASoC: Intel: bytcr_rt5640: Add quirk for the Advantech MICA-071 tablet
	nvme: fix multipath crash caused by flush request when blktrace is enabled
	x86/bugs: Flush IBP in ib_prctl_set()
	nfsd: fix handling of readdir in v4root vs. mount upcall timeout
	fbdev: matroxfb: G200eW: Increase max memory from 1 MB to 16 MB
	riscv: uaccess: fix type of 0 variable on error in get_user()
	drm/i915/gvt: fix gvt debugfs destroy
	drm/i915/gvt: fix vgpu debugfs clean in remove
	ext4: don't allow journal inode to have encrypt flag
	selftests: set the BUILD variable to absolute path
	hfs/hfsplus: use WARN_ON for sanity check
	hfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling
	mbcache: Avoid nesting of cache->c_list_lock under bit locks
	efi: random: combine bootloader provided RNG seed with RNG protocol output
	io_uring: Fix unsigned 'res' comparison with zero in io_fixup_rw_res()
	parisc: Align parisc MADV_XXX constants with all other architectures
	ext4: disable fast-commit of encrypted dir operations
	ext4: don't set up encryption key during jbd2 transaction
	fsl_lpuart: Don't enable interrupts too early
	serial: fixup backport of "serial: Deassert Transmit Enable on probe in driver-specific way"
	mptcp: mark ops structures as ro_after_init
	mptcp: remove MPTCP 'ifdef' in TCP SYN cookies
	mptcp: dedicated request sock for subflow in v6
	mptcp: use proper req destructor for IPv6
	net: sched: disallow noqueue for qdisc classes
	net/ulp: prevent ULP without clone op from entering the LISTEN status
	ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
	ALSA: hda/hdmi: Add a HP device 0x8715 to force connect list
	ALSA: hda - Enable headset mic on another Dell laptop with ALC3254
	Linux 5.10.163

Change-Id: I9026971760be8484f1e1fa607f9f91243cc87785
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
2023-02-06 12:30:05 +00:00
Chen Zhongjin
ad4842634d fs: sysv: Fix sysv_nblocks() returns wrong value
[ Upstream commit e0c49bd2b4d3cd1751491eb2d940bce968ac65e9 ]

sysv_nblocks() returns 'blocks' rather than 'res', which only counting
the number of triple-indirect blocks and causing sysv_getattr() gets a
wrong result.

[AV: this is actually a sysv counterpart of minixfs fix -
0fcd426de9d0 "[PATCH] minix block usage counting fix" in
historical tree; mea culpa, should've thought to check
fs/sysv back then...]

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-01-14 10:15:22 +01:00
Greg Kroah-Hartman
d483eed85f ANDROID: GKI: set vfs-only exports into their own namespace
We have namespaces, so use them for all vfs-exported namespaces so that
filesystems can use them, but not anything else.

Some in-kernel drivers that do direct filesystem accesses (because they
serve up files) are also allowed access to these symbols to keep 'make
allmodconfig' builds working properly, but it is not needed for Android
kernel images.

Bug: 157965270
Bug: 210074446
Cc: Matthias Maennich <maennich@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Iaf6140baf3a18a516ab2d5c3966235c42f3f70de
2022-01-11 09:30:47 +01:00
Al Viro
6d1349c769 [PATCH] reduce boilerplate in fsid handling
Get rid of boilerplate in most of ->statfs()
instances...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2020-09-18 16:45:50 -04:00
Mauro Carvalho Chehab
0c1bc6b845 docs: filesystems: fix renamed references
Some filesystem references got broken by a previous patch
series I submitted. Address those.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: David Sterba <dsterba@suse.com> # fs/affs/Kconfig
Link: https://lore.kernel.org/r/57318c53008dbda7f6f4a5a9e5787f4d37e8565a.1586881715.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-04-20 15:45:22 -06:00
Deepa Dinamani
452c277941 fs: sysv: Initialize filesystem timestamp ranges
Fill in the appropriate limits to avoid inconsistencies
in the vfs cached inode times when timestamps are
outside the permitted range.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: Jeff Layton <jlayton@kernel.org>
Cc: hch@infradead.org
2019-08-30 07:27:18 -07:00
Thomas Gleixner
ec8f24b7fa treewide: Add SPDX license identifier - Makefile/Kconfig
Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:46 +02:00
Thomas Gleixner
09c434b8a0 treewide: Add SPDX license identifier for more missed files
Add SPDX license identifiers to all files which:

 - Have no license information of any form

 - Have MODULE_LICENCE("GPL*") inside which was used in the initial
   scan/conversion to ignore the file

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:45 +02:00
Linus Torvalds
d27fb65bc2 Merge branch 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc dcache updates from Al Viro:
 "Most of this pile is putting name length into struct name_snapshot and
  making use of it.

  The beginning of this series ("ovl_lookup_real_one(): don't bother
  with strlen()") ought to have been split in two (separate switch of
  name_snapshot to struct qstr from overlayfs reaping the trivial
  benefits of that), but I wanted to avoid a rebase - by the time I'd
  spotted that it was (a) in -next and (b) close to 5.1-final ;-/"

* 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  audit_compare_dname_path(): switch to const struct qstr *
  audit_update_watch(): switch to const struct qstr *
  inotify_handle_event(): don't bother with strlen()
  fsnotify: switch send_to_group() and ->handle_event to const struct qstr *
  fsnotify(): switch to passing const struct qstr * for file_name
  switch fsnotify_move() to passing const struct qstr * for old_name
  ovl_lookup_real_one(): don't bother with strlen()
  sysv: bury the broken "quietly truncate the long filenames" logics
  nsfs: unobfuscate
  unexport d_alloc_pseudo()
2019-05-07 20:03:32 -07:00
Al Viro
6becf8edf1 sysv: switch to ->free_inode()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-05-01 22:43:25 -04:00
Al Viro
1d8b29fdb7 sysv: bury the broken "quietly truncate the long filenames" logics
It's contrary to the normal semantics, only sysv and adfs try to
do that (on any other filesystem you'll get -ENAMETOOLONG instead
of quiet truncation) and nobody actually uses that - it got
accidentally broken 5 years ago and nobody noticed.  Time to
bury it...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-04-09 19:21:06 -04:00
YueHaibing
c4b7d1ba7d sysv: return 'err' instead of 0 in __sysv_write_inode
Fixes gcc '-Wunused-but-set-variable' warning:

fs/sysv/inode.c: In function '__sysv_write_inode':
fs/sysv/inode.c:239:6: warning:
 variable 'err' set but not used [-Wunused-but-set-variable]

__sysv_write_inode should return 'err' instead of 0

Fixes: 05459ca81a ("repair sysv_write_inode(), switch sysv to simple_fsync()")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-11-10 08:02:40 -05:00
Arnd Bergmann
3e811f053a fs/sysv/inode.c: use ktime_get_real_seconds() for superblock stamp
get_seconds() is deprecated in favor of ktime_get_real_seconds(), which
returns a 64-bit timestamp.

In the SYSV file system, the superblock timestamp is only 32 bits wide,
and it is used to check whether a file system is clean, so the best
solution seems to be to force a wraparound and explicitly convert it to an
unsigned 32-bit value.

This is independent of the inode timestamps that are also 32-bit wide on
disk and that come from current_time().

Link: http://lkml.kernel.org/r/20180713145236.3152513-1-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-22 10:52:51 -07:00
Al Viro
5bf3544970 sysv_lookup: use d_splice_alias()
code is simpler that way

Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-05-22 14:27:53 -04:00
Linus Torvalds
1751e8a6cb Rename superblock flags (MS_xyz -> SB_xyz)
This is a pure automated search-and-replace of the internal kernel
superblock flags.

The s_flags are now called SB_*, with the names and the values for the
moment mirroring the MS_* flags that they're equivalent to.

Note how the MS_xyz flags are the ones passed to the mount system call,
while the SB_xyz flags are what we then use in sb->s_flags.

The script to do this was:

    # places to look in; re security/*: it generally should *not* be
    # touched (that stuff parses mount(2) arguments directly), but
    # there are two places where we really deal with superblock flags.
    FILES="drivers/mtd drivers/staging/lustre fs ipc mm \
            include/linux/fs.h include/uapi/linux/bfs_fs.h \
            security/apparmor/apparmorfs.c security/apparmor/include/lib.h"
    # the list of MS_... constants
    SYMS="RDONLY NOSUID NODEV NOEXEC SYNCHRONOUS REMOUNT MANDLOCK \
          DIRSYNC NOATIME NODIRATIME BIND MOVE REC VERBOSE SILENT \
          POSIXACL UNBINDABLE PRIVATE SLAVE SHARED RELATIME KERNMOUNT \
          I_VERSION STRICTATIME LAZYTIME SUBMOUNT NOREMOTELOCK NOSEC BORN \
          ACTIVE NOUSER"

    SED_PROG=
    for i in $SYMS; do SED_PROG="$SED_PROG -e s/MS_$i/SB_$i/g"; done

    # we want files that contain at least one of MS_...,
    # with fs/namespace.c and fs/pnode.c excluded.
    L=$(for i in $SYMS; do git grep -w -l MS_$i $FILES; done| sort|uniq|grep -v '^fs/namespace.c'|grep -v '^fs/pnode.c')

    for f in $L; do sed -i $f $SED_PROG; done

Requested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-11-27 13:05:09 -08:00
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
David Howells
bc98a42c1f VFS: Convert sb->s_flags & MS_RDONLY to sb_rdonly(sb)
Firstly by applying the following with coccinelle's spatch:

	@@ expression SB; @@
	-SB->s_flags & MS_RDONLY
	+sb_rdonly(SB)

to effect the conversion to sb_rdonly(sb), then by applying:

	@@ expression A, SB; @@
	(
	-(!sb_rdonly(SB)) && A
	+!sb_rdonly(SB) && A
	|
	-A != (sb_rdonly(SB))
	+A != sb_rdonly(SB)
	|
	-A == (sb_rdonly(SB))
	+A == sb_rdonly(SB)
	|
	-!(sb_rdonly(SB))
	+!sb_rdonly(SB)
	|
	-A && (sb_rdonly(SB))
	+A && sb_rdonly(SB)
	|
	-A || (sb_rdonly(SB))
	+A || sb_rdonly(SB)
	|
	-(sb_rdonly(SB)) != A
	+sb_rdonly(SB) != A
	|
	-(sb_rdonly(SB)) == A
	+sb_rdonly(SB) == A
	|
	-(sb_rdonly(SB)) && A
	+sb_rdonly(SB) && A
	|
	-(sb_rdonly(SB)) || A
	+sb_rdonly(SB) || A
	)

	@@ expression A, B, SB; @@
	(
	-(sb_rdonly(SB)) ? 1 : 0
	+sb_rdonly(SB)
	|
	-(sb_rdonly(SB)) ? A : B
	+sb_rdonly(SB) ? A : B
	)

to remove left over excess bracketage and finally by applying:

	@@ expression A, SB; @@
	(
	-(A & MS_RDONLY) != sb_rdonly(SB)
	+(bool)(A & MS_RDONLY) != sb_rdonly(SB)
	|
	-(A & MS_RDONLY) == sb_rdonly(SB)
	+(bool)(A & MS_RDONLY) == sb_rdonly(SB)
	)

to make comparisons against the result of sb_rdonly() (which is a bool)
work correctly.

Signed-off-by: David Howells <dhowells@redhat.com>
2017-07-17 08:45:34 +01:00
Jeff Layton
2b69c8280c mm: drop "wait" parameter from write_one_page()
The callers all set it to 1.

Also, make it clear that this function will not set any sort of AS_*
error, and that the caller must do so if necessary.  No existing caller
uses this on normal files, so none of them need it.

Also, add __must_check here since, in general, the callers need to handle
an error here in some fashion.

Link: http://lkml.kernel.org/r/20170525103303.6524-1-jlayton@redhat.com
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2017-07-05 18:44:22 -04:00
David Howells
a528d35e8b statx: Add a system call to make enhanced file info available
Add a system call to make extended file information available, including
file creation and some attribute flags where available through the
underlying filesystem.

The getattr inode operation is altered to take two additional arguments: a
u32 request_mask and an unsigned int flags that indicate the
synchronisation mode.  This change is propagated to the vfs_getattr*()
function.

Functions like vfs_stat() are now inline wrappers around new functions
vfs_statx() and vfs_statx_fd() to reduce stack usage.

========
OVERVIEW
========

The idea was initially proposed as a set of xattrs that could be retrieved
with getxattr(), but the general preference proved to be for a new syscall
with an extended stat structure.

A number of requests were gathered for features to be included.  The
following have been included:

 (1) Make the fields a consistent size on all arches and make them large.

 (2) Spare space, request flags and information flags are provided for
     future expansion.

 (3) Better support for the y2038 problem [Arnd Bergmann] (tv_sec is an
     __s64).

 (4) Creation time: The SMB protocol carries the creation time, which could
     be exported by Samba, which will in turn help CIFS make use of
     FS-Cache as that can be used for coherency data (stx_btime).

     This is also specified in NFSv4 as a recommended attribute and could
     be exported by NFSD [Steve French].

 (5) Lightweight stat: Ask for just those details of interest, and allow a
     netfs (such as NFS) to approximate anything not of interest, possibly
     without going to the server [Trond Myklebust, Ulrich Drepper, Andreas
     Dilger] (AT_STATX_DONT_SYNC).

 (6) Heavyweight stat: Force a netfs to go to the server, even if it thinks
     its cached attributes are up to date [Trond Myklebust]
     (AT_STATX_FORCE_SYNC).

And the following have been left out for future extension:

 (7) Data version number: Could be used by userspace NFS servers [Aneesh
     Kumar].

     Can also be used to modify fill_post_wcc() in NFSD which retrieves
     i_version directly, but has just called vfs_getattr().  It could get
     it from the kstat struct if it used vfs_xgetattr() instead.

     (There's disagreement on the exact semantics of a single field, since
     not all filesystems do this the same way).

 (8) BSD stat compatibility: Including more fields from the BSD stat such
     as creation time (st_btime) and inode generation number (st_gen)
     [Jeremy Allison, Bernd Schubert].

 (9) Inode generation number: Useful for FUSE and userspace NFS servers
     [Bernd Schubert].

     (This was asked for but later deemed unnecessary with the
     open-by-handle capability available and caused disagreement as to
     whether it's a security hole or not).

(10) Extra coherency data may be useful in making backups [Andreas Dilger].

     (No particular data were offered, but things like last backup
     timestamp, the data version number and the DOS archive bit would come
     into this category).

(11) Allow the filesystem to indicate what it can/cannot provide: A
     filesystem can now say it doesn't support a standard stat feature if
     that isn't available, so if, for instance, inode numbers or UIDs don't
     exist or are fabricated locally...

     (This requires a separate system call - I have an fsinfo() call idea
     for this).

(12) Store a 16-byte volume ID in the superblock that can be returned in
     struct xstat [Steve French].

     (Deferred to fsinfo).

(13) Include granularity fields in the time data to indicate the
     granularity of each of the times (NFSv4 time_delta) [Steve French].

     (Deferred to fsinfo).

(14) FS_IOC_GETFLAGS value.  These could be translated to BSD's st_flags.
     Note that the Linux IOC flags are a mess and filesystems such as Ext4
     define flags that aren't in linux/fs.h, so translation in the kernel
     may be a necessity (or, possibly, we provide the filesystem type too).

     (Some attributes are made available in stx_attributes, but the general
     feeling was that the IOC flags were to ext[234]-specific and shouldn't
     be exposed through statx this way).

(15) Mask of features available on file (eg: ACLs, seclabel) [Brad Boyer,
     Michael Kerrisk].

     (Deferred, probably to fsinfo.  Finding out if there's an ACL or
     seclabal might require extra filesystem operations).

(16) Femtosecond-resolution timestamps [Dave Chinner].

     (A __reserved field has been left in the statx_timestamp struct for
     this - if there proves to be a need).

(17) A set multiple attributes syscall to go with this.

===============
NEW SYSTEM CALL
===============

The new system call is:

	int ret = statx(int dfd,
			const char *filename,
			unsigned int flags,
			unsigned int mask,
			struct statx *buffer);

The dfd, filename and flags parameters indicate the file to query, in a
similar way to fstatat().  There is no equivalent of lstat() as that can be
emulated with statx() by passing AT_SYMLINK_NOFOLLOW in flags.  There is
also no equivalent of fstat() as that can be emulated by passing a NULL
filename to statx() with the fd of interest in dfd.

Whether or not statx() synchronises the attributes with the backing store
can be controlled by OR'ing a value into the flags argument (this typically
only affects network filesystems):

 (1) AT_STATX_SYNC_AS_STAT tells statx() to behave as stat() does in this
     respect.

 (2) AT_STATX_FORCE_SYNC will require a network filesystem to synchronise
     its attributes with the server - which might require data writeback to
     occur to get the timestamps correct.

 (3) AT_STATX_DONT_SYNC will suppress synchronisation with the server in a
     network filesystem.  The resulting values should be considered
     approximate.

mask is a bitmask indicating the fields in struct statx that are of
interest to the caller.  The user should set this to STATX_BASIC_STATS to
get the basic set returned by stat().  It should be noted that asking for
more information may entail extra I/O operations.

buffer points to the destination for the data.  This must be 256 bytes in
size.

======================
MAIN ATTRIBUTES RECORD
======================

The following structures are defined in which to return the main attribute
set:

	struct statx_timestamp {
		__s64	tv_sec;
		__s32	tv_nsec;
		__s32	__reserved;
	};

	struct statx {
		__u32	stx_mask;
		__u32	stx_blksize;
		__u64	stx_attributes;
		__u32	stx_nlink;
		__u32	stx_uid;
		__u32	stx_gid;
		__u16	stx_mode;
		__u16	__spare0[1];
		__u64	stx_ino;
		__u64	stx_size;
		__u64	stx_blocks;
		__u64	__spare1[1];
		struct statx_timestamp	stx_atime;
		struct statx_timestamp	stx_btime;
		struct statx_timestamp	stx_ctime;
		struct statx_timestamp	stx_mtime;
		__u32	stx_rdev_major;
		__u32	stx_rdev_minor;
		__u32	stx_dev_major;
		__u32	stx_dev_minor;
		__u64	__spare2[14];
	};

The defined bits in request_mask and stx_mask are:

	STATX_TYPE		Want/got stx_mode & S_IFMT
	STATX_MODE		Want/got stx_mode & ~S_IFMT
	STATX_NLINK		Want/got stx_nlink
	STATX_UID		Want/got stx_uid
	STATX_GID		Want/got stx_gid
	STATX_ATIME		Want/got stx_atime{,_ns}
	STATX_MTIME		Want/got stx_mtime{,_ns}
	STATX_CTIME		Want/got stx_ctime{,_ns}
	STATX_INO		Want/got stx_ino
	STATX_SIZE		Want/got stx_size
	STATX_BLOCKS		Want/got stx_blocks
	STATX_BASIC_STATS	[The stuff in the normal stat struct]
	STATX_BTIME		Want/got stx_btime{,_ns}
	STATX_ALL		[All currently available stuff]

stx_btime is the file creation time, stx_mask is a bitmask indicating the
data provided and __spares*[] are where as-yet undefined fields can be
placed.

Time fields are structures with separate seconds and nanoseconds fields
plus a reserved field in case we want to add even finer resolution.  Note
that times will be negative if before 1970; in such a case, the nanosecond
fields will also be negative if not zero.

The bits defined in the stx_attributes field convey information about a
file, how it is accessed, where it is and what it does.  The following
attributes map to FS_*_FL flags and are the same numerical value:

	STATX_ATTR_COMPRESSED		File is compressed by the fs
	STATX_ATTR_IMMUTABLE		File is marked immutable
	STATX_ATTR_APPEND		File is append-only
	STATX_ATTR_NODUMP		File is not to be dumped
	STATX_ATTR_ENCRYPTED		File requires key to decrypt in fs

Within the kernel, the supported flags are listed by:

	KSTAT_ATTR_FS_IOC_FLAGS

[Are any other IOC flags of sufficient general interest to be exposed
through this interface?]

New flags include:

	STATX_ATTR_AUTOMOUNT		Object is an automount trigger

These are for the use of GUI tools that might want to mark files specially,
depending on what they are.

Fields in struct statx come in a number of classes:

 (0) stx_dev_*, stx_blksize.

     These are local system information and are always available.

 (1) stx_mode, stx_nlinks, stx_uid, stx_gid, stx_[amc]time, stx_ino,
     stx_size, stx_blocks.

     These will be returned whether the caller asks for them or not.  The
     corresponding bits in stx_mask will be set to indicate whether they
     actually have valid values.

     If the caller didn't ask for them, then they may be approximated.  For
     example, NFS won't waste any time updating them from the server,
     unless as a byproduct of updating something requested.

     If the values don't actually exist for the underlying object (such as
     UID or GID on a DOS file), then the bit won't be set in the stx_mask,
     even if the caller asked for the value.  In such a case, the returned
     value will be a fabrication.

     Note that there are instances where the type might not be valid, for
     instance Windows reparse points.

 (2) stx_rdev_*.

     This will be set only if stx_mode indicates we're looking at a
     blockdev or a chardev, otherwise will be 0.

 (3) stx_btime.

     Similar to (1), except this will be set to 0 if it doesn't exist.

=======
TESTING
=======

The following test program can be used to test the statx system call:

	samples/statx/test-statx.c

Just compile and run, passing it paths to the files you want to examine.
The file is built automatically if CONFIG_SAMPLES is enabled.

Here's some example output.  Firstly, an NFS directory that crosses to
another FSID.  Note that the AUTOMOUNT attribute is set because transiting
this directory will cause d_automount to be invoked by the VFS.

	[root@andromeda ~]# /tmp/test-statx -A /warthog/data
	statx(/warthog/data) = 0
	results=7ff
	  Size: 4096            Blocks: 8          IO Block: 1048576  directory
	Device: 00:26           Inode: 1703937     Links: 125
	Access: (3777/drwxrwxrwx)  Uid:     0   Gid:  4041
	Access: 2016-11-24 09:02:12.219699527+0000
	Modify: 2016-11-17 10:44:36.225653653+0000
	Change: 2016-11-17 10:44:36.225653653+0000
	Attributes: 0000000000001000 (-------- -------- -------- -------- -------- -------- ---m---- --------)

Secondly, the result of automounting on that directory.

	[root@andromeda ~]# /tmp/test-statx /warthog/data
	statx(/warthog/data) = 0
	results=7ff
	  Size: 4096            Blocks: 8          IO Block: 1048576  directory
	Device: 00:27           Inode: 2           Links: 125
	Access: (3777/drwxrwxrwx)  Uid:     0   Gid:  4041
	Access: 2016-11-24 09:02:12.219699527+0000
	Modify: 2016-11-17 10:44:36.225653653+0000
	Change: 2016-11-17 10:44:36.225653653+0000

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-03-02 20:51:15 -05:00
Miklos Szeredi
dfeef68862 vfs: remove ".readlink = generic_readlink" assignments
If .readlink == NULL implies generic_readlink().

Generated by:

to_del="\.readlink.*=.*generic_readlink"
for i in `git grep -l $to_del`; do sed -i "/$to_del"/d $i; done

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-12-09 16:45:04 +01:00
Linus Torvalds
101105b171 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull more vfs updates from Al Viro:
 ">rename2() work from Miklos + current_time() from Deepa"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fs: Replace current_fs_time() with current_time()
  fs: Replace CURRENT_TIME_SEC with current_time() for inode timestamps
  fs: Replace CURRENT_TIME with current_time() for inode timestamps
  fs: proc: Delete inode time initializations in proc_alloc_inode()
  vfs: Add current_time() api
  vfs: add note about i_op->rename changes to porting
  fs: rename "rename2" i_op to "rename"
  vfs: remove unused i_op->rename
  fs: make remaining filesystems use .rename2
  libfs: support RENAME_NOREPLACE in simple_rename()
  fs: support RENAME_NOREPLACE for local filesystems
  ncpfs: fix unused variable warning
2016-10-10 20:16:43 -07:00
Al Viro
3873691e5a Merge remote-tracking branch 'ovl/rename2' into for-linus 2016-10-10 23:02:51 -04:00
Deepa Dinamani
02027d42c3 fs: Replace CURRENT_TIME_SEC with current_time() for inode timestamps
CURRENT_TIME_SEC is not y2038 safe. current_time() will
be transitioned to use 64 bit time along with vfs in a
separate patch.
There is no plan to transistion CURRENT_TIME_SEC to use
y2038 safe time interfaces.

current_time() will also be extended to use superblock
range checking parameters when range checking is introduced.

This works because alloc_super() fills in the the s_time_gran
in super block to NSEC_PER_SEC.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-09-27 21:06:22 -04:00
Miklos Szeredi
2773bf00ae fs: rename "rename2" i_op to "rename"
Generated patch:

sed -i "s/\.rename2\t/\.rename\t\t/" `git grep -wl rename2`
sed -i "s/\brename2\b/rename/g" `git grep -wl rename2`

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-09-27 11:03:58 +02:00
Miklos Szeredi
f03b8ad8d3 fs: support RENAME_NOREPLACE for local filesystems
This is trivial to do:

 - add flags argument to foo_rename()
 - check if flags doesn't have any other than RENAME_NOREPLACE
 - assign foo_rename() to .rename2 instead of .rename

Filesystems converted:

affs, bfs, exofs, ext2, hfs, hfsplus, jffs2, jfs, logfs, minix, msdos,
nilfs2, omfs, reiserfs, sysvfs, ubifs, udf, ufs, vfat.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Acked-by: Boaz Harrosh <ooo@electrozaur.com>
Acked-by: Richard Weinberger <richard@nod.at>
Acked-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Dave Kleikamp <shaggy@kernel.org>
Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Christoph Hellwig <hch@infradead.org>
2016-09-27 11:03:57 +02:00
Jan Kara
31051c85b5 fs: Give dentry to inode_change_ok() instead of inode
inode_change_ok() will be resposible for clearing capabilities and IMA
extended attributes and as such will need dentry. Give it as an argument
to inode_change_ok() instead of an inode. Also rename inode_change_ok()
to setattr_prepare() to better relect that it does also some
modifications in addition to checks.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
2016-09-22 10:56:19 +02:00
Linus Torvalds
8387ff2577 vfs: make the string hashes salt the hash
We always mixed in the parent pointer into the dentry name hash, but we
did it late at lookup time.  It turns out that we can simplify that
lookup-time action by salting the hash with the parent pointer early
instead of late.

A few other users of our string hashes also wanted to mix in their own
pointers into the hash, and those are updated to use the same mechanism.

Hash users that don't have any particular initial salt can just use the
NULL pointer as a no-salt.

Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: George Spelvin <linux@sciencehorizons.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-06-10 20:21:46 -07:00
Al Viro
3b0a3c1ac1 simple local filesystems: switch to ->iterate_shared()
no changes needed (XFS isn't simple, but it has the same parallelism
in the interesting parts exercised from CXFS).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-05-02 19:49:32 -04:00
Kirill A. Shutemov
09cbfeaf1a mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
PAGE_CACHE_{SIZE,SHIFT,MASK,ALIGN} macros were introduced *long* time
ago with promise that one day it will be possible to implement page
cache with bigger chunks than PAGE_SIZE.

This promise never materialized.  And unlikely will.

We have many places where PAGE_CACHE_SIZE assumed to be equal to
PAGE_SIZE.  And it's constant source of confusion on whether
PAGE_CACHE_* or PAGE_* constant should be used in a particular case,
especially on the border between fs and mm.

Global switching to PAGE_CACHE_SIZE != PAGE_SIZE would cause to much
breakage to be doable.

Let's stop pretending that pages in page cache are special.  They are
not.

The changes are pretty straight-forward:

 - <foo> << (PAGE_CACHE_SHIFT - PAGE_SHIFT) -> <foo>;

 - <foo> >> (PAGE_CACHE_SHIFT - PAGE_SHIFT) -> <foo>;

 - PAGE_CACHE_{SIZE,SHIFT,MASK,ALIGN} -> PAGE_{SIZE,SHIFT,MASK,ALIGN};

 - page_cache_get() -> get_page();

 - page_cache_release() -> put_page();

This patch contains automated changes generated with coccinelle using
script below.  For some reason, coccinelle doesn't patch header files.
I've called spatch for them manually.

The only adjustment after coccinelle is revert of changes to
PAGE_CAHCE_ALIGN definition: we are going to drop it later.

There are few places in the code where coccinelle didn't reach.  I'll
fix them manually in a separate patch.  Comments and documentation also
will be addressed with the separate patch.

virtual patch

@@
expression E;
@@
- E << (PAGE_CACHE_SHIFT - PAGE_SHIFT)
+ E

@@
expression E;
@@
- E >> (PAGE_CACHE_SHIFT - PAGE_SHIFT)
+ E

@@
@@
- PAGE_CACHE_SHIFT
+ PAGE_SHIFT

@@
@@
- PAGE_CACHE_SIZE
+ PAGE_SIZE

@@
@@
- PAGE_CACHE_MASK
+ PAGE_MASK

@@
expression E;
@@
- PAGE_CACHE_ALIGN(E)
+ PAGE_ALIGN(E)

@@
expression E;
@@
- page_cache_get(E)
+ get_page(E)

@@
expression E;
@@
- page_cache_release(E)
+ put_page(E)

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-04 10:41:08 -07:00
Vladimir Davydov
5d097056c9 kmemcg: account certain kmem allocations to memcg
Mark those kmem allocations that are known to be easily triggered from
userspace as __GFP_ACCOUNT/SLAB_ACCOUNT, which makes them accounted to
memcg.  For the list, see below:

 - threadinfo
 - task_struct
 - task_delay_info
 - pid
 - cred
 - mm_struct
 - vm_area_struct and vm_region (nommu)
 - anon_vma and anon_vma_chain
 - signal_struct
 - sighand_struct
 - fs_struct
 - files_struct
 - fdtable and fdtable->full_fds_bits
 - dentry and external_name
 - inode for all filesystems. This is the most tedious part, because
   most filesystems overwrite the alloc_inode method.

The list is far from complete, so feel free to add more objects.
Nevertheless, it should be close to "account everything" approach and
keep most workloads within bounds.  Malevolent users will be able to
breach the limit, but this was possible even with the former "account
everything" approach (simply because it did not account everything in
fact).

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Greg Thelen <gthelen@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-14 16:00:49 -08:00
Al Viro
fceef393a5 switch ->get_link() to delayed_call, kill ->put_link()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-30 13:01:03 -05:00
Al Viro
6b2553918d replace ->follow_link() with new method that could stay in RCU mode
new method: ->get_link(); replacement of ->follow_link().  The differences
are:
	* inode and dentry are passed separately
	* might be called both in RCU and non-RCU mode;
the former is indicated by passing it a NULL dentry.
	* when called that way it isn't allowed to block
and should return ERR_PTR(-ECHILD) if it needs to be called
in non-RCU mode.

It's a flagday change - the old method is gone, all in-tree instances
converted.  Conversion isn't hard; said that, so far very few instances
do not immediately bail out when called in RCU mode.  That'll change
in the next commits.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-08 22:41:54 -05:00
Al Viro
21fc61c73c don't put symlink bodies in pagecache into highmem
kmap() in page_follow_link_light() needed to go - allowing to hold
an arbitrary number of kmaps for long is a great way to deadlocking
the system.

new helper (inode_nohighmem(inode)) needs to be used for pagecache
symlinks inodes; done for all in-tree cases.  page_follow_link_light()
instrumented to yell about anything missed.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-08 22:41:36 -05:00
Al Viro
0ebf7f10d6 fix sysvfs symlinks
The thing got broken back in 2002 - sysvfs does *not* have inline
symlinks; even short ones have bodies stored in the first block
of file.  sysv_symlink() handles that correctly; unfortunately,
attempting to look an existing symlink up will end up confusing
them for inline symlinks, and interpret the block number containing
the body as the body itself.

Nobody has noticed until now, which says something about the level
of testing sysvfs gets ;-/

Cc: stable@vger.kernel.org # all of them, not that anyone cared
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-11-23 21:11:08 -05:00
Fabian Frederick
b57c2cb9ea pagemap.h: move dir_pages() over there
That function was declared in a lot of filesystems to calculate
directory pages.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-06-23 18:02:00 -04:00
Rasmus Villemoes
db6172c411 fs: cleanup slight list_entry abuse
list_entry is just a wrapper for container_of, but it is arguably
wrong (and slightly confusing) to use it when the pointed-to struct
member is not a struct list_head. Use container_of directly instead.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-06-23 18:01:59 -04:00
Al Viro
2e03f3ea7a sysv: switch to simple_follow_link()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-05-10 22:18:26 -04:00
David Howells
2b0143b5c9 VFS: normal filesystems (and lustre): d_inode() annotations
that's the bulk of filesystem drivers dealing with inodes of their own

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-04-15 15:06:57 -04:00
Al Viro
5d5d568975 make new_sync_{read,write}() static
All places outside of core VFS that checked ->read and ->write for being NULL or
called the methods directly are gone now, so NULL {read,write} with non-NULL
{read,write}_iter will do the right thing in all cases.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-04-11 22:29:40 -04:00
Al Viro
8174202b34 write_iter variants of {__,}generic_file_aio_write()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-05-06 17:38:00 -04:00
Al Viro
aad4f8bb42 switch simple generic_file_aio_read() users to ->read_iter()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-05-06 17:37:55 -04:00
Linus Torvalds
24e7ea3bea Major changes for 3.14 include support for the newly added ZERO_RANGE
and COLLAPSE_RANGE fallocate operations, and scalability improvements
 in the jbd2 layer and in xattr handling when the extended attributes
 spill over into an external block.
 
 Other than that, the usual clean ups and minor bug fixes.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Major changes for 3.14 include support for the newly added ZERO_RANGE
  and COLLAPSE_RANGE fallocate operations, and scalability improvements
  in the jbd2 layer and in xattr handling when the extended attributes
  spill over into an external block.

  Other than that, the usual clean ups and minor bug fixes"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (42 commits)
  ext4: fix premature freeing of partial clusters split across leaf blocks
  ext4: remove unneeded test of ret variable
  ext4: fix comment typo
  ext4: make ext4_block_zero_page_range static
  ext4: atomically set inode->i_flags in ext4_set_inode_flags()
  ext4: optimize Hurd tests when reading/writing inodes
  ext4: kill i_version support for Hurd-castrated file systems
  ext4: each filesystem creates and uses its own mb_cache
  fs/mbcache.c: doucple the locking of local from global data
  fs/mbcache.c: change block and index hash chain to hlist_bl_node
  ext4: Introduce FALLOC_FL_ZERO_RANGE flag for fallocate
  ext4: refactor ext4_fallocate code
  ext4: Update inode i_size after the preallocation
  ext4: fix partial cluster handling for bigalloc file systems
  ext4: delete path dealloc code in ext4_ext_handle_uninitialized_extents
  ext4: only call sync_filesystm() when remounting read-only
  fs: push sync_filesystem() down to the file system's remount_fs()
  jbd2: improve error messages for inconsistent journal heads
  jbd2: minimize region locked by j_list_lock in jbd2_journal_forget()
  jbd2: minimize region locked by j_list_lock in journal_get_create_access()
  ...
2014-04-04 15:39:39 -07:00
Johannes Weiner
91b0abe36a mm + fs: store shadow entries in page cache
Reclaim will be leaving shadow entries in the page cache radix tree upon
evicting the real page.  As those pages are found from the LRU, an
iput() can lead to the inode being freed concurrently.  At this point,
reclaim must no longer install shadow pages because the inode freeing
code needs to ensure the page tree is really empty.

Add an address_space flag, AS_EXITING, that the inode freeing code sets
under the tree lock before doing the final truncate.  Reclaim will check
for this flag before installing shadow pages.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: Minchan Kim <minchan@kernel.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Bob Liu <bob.liu@oracle.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jan Kara <jack@suse.cz>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Luigi Semenzato <semenzato@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Metin Doslu <metin@citusdata.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Ozgun Erdogan <ozgun@citusdata.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Roman Gushchin <klamm@yandex-team.ru>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-03 16:21:01 -07:00
Theodore Ts'o
02b9984d64 fs: push sync_filesystem() down to the file system's remount_fs()
Previously, the no-op "mount -o mount /dev/xxx" operation when the
file system is already mounted read-write causes an implied,
unconditional syncfs().  This seems pretty stupid, and it's certainly
documented or guaraunteed to do this, nor is it particularly useful,
except in the case where the file system was mounted rw and is getting
remounted read-only.

However, it's possible that there might be some file systems that are
actually depending on this behavior.  In most file systems, it's
probably fine to only call sync_filesystem() when transitioning from
read-write to read-only, and there are some file systems where this is
not needed at all (for example, for a pseudo-filesystem or something
like romfs).

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: linux-fsdevel@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Evgeniy Dushistov <dushistov@mail.ru>
Cc: Jan Kara <jack@suse.cz>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Anders Larsen <al@alarsen.net>
Cc: Phillip Lougher <phillip@squashfs.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: Petr Vandrovec <petr@vandrovec.name>
Cc: xfs@oss.sgi.com
Cc: linux-btrfs@vger.kernel.org
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Cc: codalist@coda.cs.cmu.edu
Cc: linux-ext4@vger.kernel.org
Cc: linux-f2fs-devel@lists.sourceforge.net
Cc: fuse-devel@lists.sourceforge.net
Cc: cluster-devel@redhat.com
Cc: linux-mtd@lists.infradead.org
Cc: jfs-discussion@lists.sourceforge.net
Cc: linux-nfs@vger.kernel.org
Cc: linux-nilfs@vger.kernel.org
Cc: linux-ntfs-dev@lists.sourceforge.net
Cc: ocfs2-devel@oss.oracle.com
Cc: reiserfs-devel@vger.kernel.org
2014-03-13 10:14:33 -04:00
Lubomir Rintel
4947555584 sysv: Add forgotten superblock lock init for v7 fs
Superblock lock was replaced with (un)lock_super() removal, but left
uninitialized for Seventh Edition UNIX filesystem in the following commit (3.7):
c07cb01 sysv: drop lock/unlock super

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-29 22:02:02 -04:00
Kirill A. Shutemov
7caef26767 truncate: drop 'oldsize' truncate_pagecache() parameter
truncate_pagecache() doesn't care about old size since commit
cedabed49b ("vfs: Fix vmtruncate() regression").  Let's drop it.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-12 15:38:02 -07:00