individual changelogs for details.
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Merge tag 'mm-nonmm-stable-2025-12-11-11-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc updates from Andrew Morton:
"There are no significant series in this small merge. Please see the
individual changelogs for details"
[ Editor's note: it's mainly ocfs2 and a couple of random fixes ]
* tag 'mm-nonmm-stable-2025-12-11-11-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: memfd_luo: add CONFIG_SHMEM dependency
mm: shmem: avoid build warning for CONFIG_SHMEM=n
ocfs2: fix memory leak in ocfs2_merge_rec_left()
ocfs2: invalidate inode if i_mode is zero after block read
ocfs2: avoid -Wflex-array-member-not-at-end warning
ocfs2: convert remaining read-only checks to ocfs2_emergency_state
ocfs2: add ocfs2_emergency_state helper and apply to setattr
checkpatch: add uninitialized pointer with __free attribute check
args: fix documentation to reflect the correct numbers
ocfs2: fix kernel BUG in ocfs2_find_victim_chain
liveupdate: luo_core: fix redundant bound check in luo_ioctl()
ocfs2: validate inline xattr size and entry count in ocfs2_xattr_ibody_list
fs/fat: remove unnecessary wrapper fat_max_cache()
ocfs2: replace deprecated strcpy with strscpy
ocfs2: check tl_used after reading it from trancate log inode
liveupdate: luo_file: don't use invalid list iterator
- The 2 patch series "powerpc/pseries/cmm: two smaller fixes" from David
Hildenbrand fixes a couple of minor things in ppc land.
- The 4 patch series "Improve folio split related functions" from Zi Yan
provides some cleanups and minorish fixes in the folio splitting code.
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Merge tag 'mm-stable-2025-12-11-11-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- "powerpc/pseries/cmm: two smaller fixes" (David Hildenbrand)
fixes a couple of minor things in ppc land
- "Improve folio split related functions" (Zi Yan)
some cleanups and minorish fixes in the folio splitting code
* tag 'mm-stable-2025-12-11-11-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/damon/tests/core-kunit: avoid damos_test_commit stack warning
mm: vmscan: correct nr_requested tracing in scan_folios
MAINTAINERS: add idr core-api doc file to XARRAY
mm/hugetlb: fix incorrect error return from hugetlb_reserve_pages()
mm: fix CONFIG_STACK_GROWSUP typo in mm.h
mm/huge_memory: fix folio split stats counting
mm/huge_memory: make min_order_for_split() always return an order
mm/huge_memory: replace can_split_folio() with direct refcount calculation
mm/huge_memory: change folio_split_supported() to folio_check_splittable()
mm/sparse: fix sparse_vmemmap_init_nid_early definition without CONFIG_SPARSEMEM
powerpc/pseries/cmm: adjust BALLOON_MIGRATE when migrating pages
powerpc/pseries/cmm: call balloon_devinfo_init() also without CONFIG_BALLOON_COMPACTION
Brown paper bag time. This is a silly oversight where I missed to drop
the error condition checking to ensure we clean up on early error
returns. I have an internal unit testset coming up for this which will
catch all such issues going forward.
Reported-by: Chris Mason <clm@fb.com>
Reported-by: Jeff Layton <jlayton@kernel.org>
Fixes: 011703a9ac ("file: add FD_{ADD,PREPARE}()")
Signed-off-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 7bfe3b8ea6 ("Drivers: hv: Introduce mshv_vtl driver") added a
new generated header file for the offsets into the mshv_vtl_cpu_context
structure to be used by the low-level assembly code. But it didn't add
the .gitignore file to go with it, so 'git status' and friends will
mention it.
Let's add the gitignore file before somebody thinks that generated
header should be committed.
Fixes: 7bfe3b8ea6 ("Drivers: hv: Introduce mshv_vtl driver")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
core:
- revert dumb bo 8 byte alignment
amdgpu:
- SI fix
- DC reduce stack usage
- HDMI fixes
- VCN 4.0.5 fix
- DP MST fix
- DC memory allocation fix
amdkfd:
- SVM fix
- Trap handler fix
- VGPR fixes for GC 11.5
i915:
- Fix format string truncation warning
- FIx runtime PM reference during fbdev BO creation
panthor:
- fix UAF
renesas:
- fix sync flag handling
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Merge tag 'drm-next-2025-12-13' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"This is the weekly fixes for what is in next tree, mostly amdgpu and
some i915, panthor and a core revert.
core:
- revert dumb bo 8 byte alignment
amdgpu:
- SI fix
- DC reduce stack usage
- HDMI fixes
- VCN 4.0.5 fix
- DP MST fix
- DC memory allocation fix
amdkfd:
- SVM fix
- Trap handler fix
- VGPR fixes for GC 11.5
i915:
- Fix format string truncation warning
- FIx runtime PM reference during fbdev BO creation
panthor:
- fix UAF
renesas:
- fix sync flag handling"
* tag 'drm-next-2025-12-13' of https://gitlab.freedesktop.org/drm/kernel:
Revert "drm/amd/display: Fix pbn to kbps Conversion"
drm/amd: Fix unbind/rebind for VCN 4.0.5
drm/i915: Fix format string truncation warning
drm/i915/fbdev: Hold runtime PM ref during fbdev BO creation
drm/amd/display: Improve HDMI info retrieval
drm/amdkfd: bump minimum vgpr size for gfx1151
drm/amd/display: shrink struct members
drm/amdkfd: Export the cwsr_size and ctl_stack_size to userspace
drm/amd/display: Refactor dml_core_mode_support to reduce stack frame
drm/amdgpu: don't attach the tlb fence for SI
drm/amd/display: Use GFP_ATOMIC in dc_create_plane_state()
drm/amdkfd: Trap handler support for expert scheduling mode
drm/amdkfd: Use huge page size to check split svm range alignment
drm/rcar-du: dsi: Handle both DRM_MODE_FLAG_N.SYNC and !DRM_MODE_FLAG_P.SYNC
drm/gem-shmem: revert the 8-byte alignment constraint
drm/gem-dma: revert the 8-byte alignment constraint
drm/panthor: Prevent potential UAF in group creation
Subsystem:
- remove .priv_xfers
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Merge tag 'i3c/for-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull further i3c update from Alexandre Belloni:
"We are removing a legacy API callback and having this sooner rather
than later will help ensuring no one introduces a new driver using it.
I've also added patches removing the "__free(...) = NULL" pattern
because I'm sure we won't avoid people sending those following the
mailing list discussion..."
* tag 'i3c/for-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: adi: Fix confusing cleanup.h syntax
i3c: master: Fix confusing cleanup.h syntax
i3c: master: cleanup callback .priv_xfers()
i3c: master: switch to use new callback .i3c_xfers() from .priv_xfers()
Subsystem:
- stop setting max_user_freq from the individual drivers as this has not been
hardware related for a while
New drivers:
- Andes ATCRTC100
- Apple SMC
- Nvidia VRS
Drivers:
- renesas-rtca3: add RZ/V2H support
- tegra: add ACPI support
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Merge tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- stop setting max_user_freq from the individual drivers as this has
not been hardware related for a while
New drivers:
- Andes ATCRTC100
- Apple SMC
- Nvidia VRS
Drivers:
- renesas-rtca3: add RZ/V2H support
- tegra: add ACPI support"
* tag 'rtc-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (34 commits)
rtc: spacemit: MFD_SPACEMIT_P1 as dependencies
rtc: atcrtc100: Fix signedness bug in probe()
rtc: max31335: Fix ignored return value in set_alarm
rtc: gamecube: Check the return value of ioremap()
Documentation: ABI: testing: Fix "upto" typo in rtc-cdev
rtc: Add new rtc-macsmc driver for Apple Silicon Macs
dt-bindings: rtc: Add Apple SMC RTC
MAINTAINERS: drop unneeded file entry in NVIDIA VRS RTC DRIVER
rtc: isl12026: Add id_table
rtc: renesas-rtca3: Add support for multiple reset lines
dt-bindings: rtc: renesas,rz-rtca3: Add RZ/V2H support
rtc: tegra: Replace deprecated SIMPLE_DEV_PM_OPS
rtc: tegra: Add ACPI support
rtc: tegra: Use devm_clk_get_enabled() in probe
rtc: Kconfig: add MC34708 to mc13xxx help text
rtc: s35390a: use u8 instead of char for register buffer
rtc: nvvrs: add NVIDIA VRS RTC device driver
dt-bindings: rtc: Document NVIDIA VRS RTC
rtc: atcrtc100: Add ATCRTC100 RTC driver
MAINTAINERS: Add entry for ATCRTC100 RTC driver
...
This tightens the dependency for the new pwm driver written in Rust to
make build bots and obviously also users happy.
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Merge tag 'pwm/for-6.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fix from Uwe Kleine-König:
"Fix missing th1520 Kconfig dependencies
This tightens the dependency for the new pwm driver written in Rust to
make build bots and obviously also users happy"
* tag 'pwm/for-6.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: th1520: Fix missing Kconfig dependencies
- fix spinlock op type after conversion to lock guards
- fix a memory leak in error path in gpio-regmap
- Kconfig fixes in GPIO drivers
- add a GPIO ACPI quirk for Dell Precision 7780
- set of fixes for shared GPIO management
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Merge tag 'gpio-fixes-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
- fix spinlock op type after conversion to lock guards
- fix a memory leak in error path in gpio-regmap
- Kconfig fixes in GPIO drivers
- add a GPIO ACPI quirk for Dell Precision 7780
- set of fixes for shared GPIO management
* tag 'gpio-fixes-for-v6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: shared: make locking more fine-grained
gpio: shared: fix auxiliary device cleanup order
gpio: shared: check if a reference is populated before cleaning its resources
gpio: shared: fix NULL-pointer dereference in teardown path
gpio: shared: ignore disabled nodes when traversing the device-tree
gpiolib: acpi: Add quirk for Dell Precision 7780
gpio: tb10x: fix OF_GPIO dependency
gpio: qixis: select CONFIG_REGMAP_MMIO
gpio: regmap: Fix memleak in error path in gpio_regmap_register()
gpio: mmio: fix bad guard conversion
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Merge tag 'pci-v6.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fix from Bjorn Helgaas:
- Initialize rzg3s_pcie_msi_irq() MSI status bitmap before use (Claudiu
Beznea)
* tag 'pci-v6.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: rzg3s-host: Initialize MSI status bitmap before use
- Support for multiple sections in a BPT stream
- Aligning DMA frame with BPT frames
- Qualcomm: support for v3.1.0 controllers
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Merge tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- Support for multiple sections in a BPT stream
- Align DMA frame with BPT frames
- Qualcomm support for v3.1.0 controllers
* tag 'soundwire-6.19-rc1_updated' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: intel_ace2x: handle multi BPT sections
soundwire: pass sdw_bpt_section to cdns BPT helpers
soundwire: introduce BPT section
soundwire: intel_ace2x: add fake frame to BRA read command
soundwire: cadence_master: add fake_size parameter to sdw_cdns_prepare_read_dma_buffer
ASoC: SOF: Intel: export hda_sdw_bpt_get_buf_size_aligment
soundwire: cadence: export sdw_cdns_bpt_find_bandwidth
soundwire: cadence_master: set data_per_frame as frame capability
soundwire: only compute BPT stream in sdw_compute_dp0_port_params
soundwire: cadence_master: make frame index trace more readable
soundwire: qcom: adding support for v3.1.0
dt-bindings: soundwire: qcom: Document v3.1.0 version of IP block
soundwire: qcom: prepare for v3.x
soundwire: qcom: deprecate qcom,din/out-ports
dt-bindings: soundwire: qcom: deprecate qcom,din/out-ports
soundwire: qcom: remove unused rd_fifo_depth
of: base: Add of_property_read_u8_index
The rest for 6.19 merge window. The only slightly large change is
the enablement of CIX HD-audio controller, which took a bit time to
be cooked up, while most of other changes are device-specific small
trivial fixes.
- Default disablement of the kconfig for decades old pre-release
alsa-lib PCM API; it's only the default config value change, so
it can't lead to any regressions for the existing setups
- Support for CIX HD-audio controller
- A few ASoC ACP fixes
- Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms
- Trivial hardening for FireWire and USB-audio
- HD-audio Intel binding fix and quirks
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Merge tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The only slightly large change is the enablement of CIX HD-audio
controller, which took a bit time to be cooked up, while most of other
changes are device-specific small trivial fixes:
- Default disablement of the kconfig for decades old pre-release
alsa-lib PCM API; it's only the default config value change, so it
can't lead to any regressions for the existing setups
- Support for CIX HD-audio controller
- A few ASoC ACP fixes
- Fixes for ASoC cirrus, bcm, wcd, qcom, ak platforms
- Trivial hardening for FireWire and USB-audio
- HD-audio Intel binding fix and quirks"
* tag 'sound-fix-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
ALSA: hda/tas2781: Add new quirk for HP new project
ALSA: hda: cix-ipbloq: Use modern PM ops
ALSA: hda: intel-dsp-config: Prefer legacy driver as fallback
ASoC: amd: acp: update tdm channels for specific DAI
ASoC: cs35l56: Fix incorrect select SND_SOC_CS35L56_CAL_SYSFS_COMMON
ALSA: firewire-motu: add bounds check in put_user loop for DSP events
ASoC: cs35l41: Always return 0 when a subsystem ID is found
ALSA: uapi: Fix typo in asound.h comment
ALSA: Do not build obsolete API
ALSA: hda: add CIX IPBLOQ HDA controller support
ALSA: hda/core: add addr_offset field for bus address translation
ALSA: hda: dt-bindings: add CIX IPBLOQ HDA controller support
ALSA: hda/realtek: Add support for ASUS UM3406GA
ALSA: hda/realtek: Add support for HP Turbine Laptops
ALSA: usb-audio: Initialize status1 to fix uninitialized symbol errors
ALSA: firewire-motu: fix buffer overflow in hwdep read for DSP events
ALSA: hda: cs35l41: Fix NULL pointer dereference in cs35l41_hda_read_acpi()
ASoC: cros_ec_codec: Remove unnecessary selection of CRYPTO
ASoc: qcom: q6afe: fix bad guard conversion
ASoC: rockchip: Fix Wvoid-pointer-to-enum-cast warning (again)
...
drm-misc-fixes for v6.19-rc1:
- Fix stack usage warning in novatek-nt35560.
- Fix s/r, i2c issues in nouveau and update string handling.
- Ignore spurious PLL_UNLOCK bit in ti-sn65dsi83.
- Handle IS_ERR vs NULL in drm_plane_create_hotspot_properties().
- Fix devcoredump crash on reading evicted bo's.
- Fix bigendian handling in mgag200.
- Fix probe failure in tilcdc.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/6c371dc1-08bf-4a34-895c-9ef348b6061b@linux.intel.com
Initializing automatic __free variables to NULL without need (e.g.
branches with different allocations), followed by actual allocation is
in contrary to explicit coding rules guiding cleanup.h:
"Given that the "__free(...) = NULL" pattern for variables defined at
the top of the function poses this potential interdependency problem the
recommendation is to always define and assign variables in one statement
and not group variable definitions at the top of the function when
__free() is used."
Code does not have a bug, but is less readable and uses discouraged
coding practice, so fix that by moving declaration to the place of
assignment.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251208020750.4727-4-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Initializing automatic __free variables to NULL without need (e.g.
branches with different allocations), followed by actual allocation is
in contrary to explicit coding rules guiding cleanup.h:
"Given that the "__free(...) = NULL" pattern for variables defined at
the top of the function poses this potential interdependency problem the
recommendation is to always define and assign variables in one statement
and not group variable definitions at the top of the function when
__free() is used."
Code does not have a bug, but is less readable and uses discouraged
coding practice, so fix that by moving declaration to the place of
assignment.
Not that other existing usage of __free() in this context is a corret
exception initialized to NULL, because the actual allocation is branched
in if().
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251208020750.4727-3-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Remove the .priv_xfers() callback from the framework after all master
controller drivers have switched to use the new .i3c_xfers() callback.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Tested-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Link: https://patch.msgid.link/20251203-i3c_xfer_cleanup_master-v2-2-7dd94d04ee2d@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
1, Add basic LoongArch32 support;
2, Select HAVE_ARCH_BITREVERSE in Kconfig;
3, Fix build and boot for CONFIG_RANDSTRUCT;
4, Correct the calculation logic of thread_count;
5, Some bug fixes and other small changes.
Note: Build infrastructures of LoongArch32 are not enabled yet, because
we need to adjust irqchip drivers and wait for GNU toolchain be upstream
first.
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Merge tag 'loongarch-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Add basic LoongArch32 support
Note: Build infrastructures of LoongArch32 are not enabled yet,
because we need to adjust irqchip drivers and wait for GNU toolchain
be upstream first.
- Select HAVE_ARCH_BITREVERSE in Kconfig
- Fix build and boot for CONFIG_RANDSTRUCT
- Correct the calculation logic of thread_count
- Some bug fixes and other small changes
* tag 'loongarch-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (22 commits)
LoongArch: Adjust default config files for 32BIT/64BIT
LoongArch: Adjust VDSO/VSYSCALL for 32BIT/64BIT
LoongArch: Adjust misc routines for 32BIT/64BIT
LoongArch: Adjust user accessors for 32BIT/64BIT
LoongArch: Adjust system call for 32BIT/64BIT
LoongArch: Adjust module loader for 32BIT/64BIT
LoongArch: Adjust time routines for 32BIT/64BIT
LoongArch: Adjust process management for 32BIT/64BIT
LoongArch: Adjust memory management for 32BIT/64BIT
LoongArch: Adjust boot & setup for 32BIT/64BIT
LoongArch: Adjust common macro definitions for 32BIT/64BIT
LoongArch: Add adaptive CSR accessors for 32BIT/64BIT
LoongArch: Add atomic operations for 32BIT/64BIT
LoongArch: Add new PCI ID for pci_fixup_vgadev()
LoongArch: Add and use some macros for AVEC
LoongArch: Correct the calculation logic of thread_count
LoongArch: Use unsigned long for _end and _text
LoongArch: Use __pmd()/__pte() for swap entry conversions
LoongArch: Fix arch_dup_task_struct() for CONFIG_RANDSTRUCT
LoongArch: Fix build errors for CONFIG_RANDSTRUCT
...
Fixes for some recent regressions as well as some longstanding issues:
- Fix incorrect output from the arm64 NEON implementation of GHASH
- Merge the ksimd scopes in the arm64 XTS code to reduce stack usage
- Roll up the BLAKE2b round loop on 32-bit kernels to greatly reduce
code size and stack usage
- Add missing RISCV_EFFICIENT_VECTOR_UNALIGNED_ACCESS dependency
- Fix chacha-riscv64-zvkb.S to not use frame pointer for data
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Merge tag 'libcrypto-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull crypto library fixes from Eric Biggers:
"Fixes for some recent regressions as well as some longstanding issues:
- Fix incorrect output from the arm64 NEON implementation of GHASH
- Merge the ksimd scopes in the arm64 XTS code to reduce stack usage
- Roll up the BLAKE2b round loop on 32-bit kernels to greatly reduce
code size and stack usage
- Add missing RISCV_EFFICIENT_VECTOR_UNALIGNED_ACCESS dependency
- Fix chacha-riscv64-zvkb.S to not use frame pointer for data"
* tag 'libcrypto-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
crypto: arm64/ghash - Fix incorrect output from ghash-neon
crypto/arm64: sm4/xts - Merge ksimd scopes to reduce stack bloat
crypto/arm64: aes/xts - Use single ksimd scope to reduce stack bloat
lib/crypto: blake2s: Replace manual unrolling with unrolled_full
lib/crypto: blake2b: Roll up BLAKE2b round loop on 32-bit
lib/crypto: riscv: Depend on RISCV_EFFICIENT_VECTOR_UNALIGNED_ACCESS
lib/crypto: riscv/chacha: Avoid s0/fp register
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Merge tag 'block-6.19-20251211' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Always initialize DMA state, fixing a potentially nasty issue on the
block side
- btrfs zoned write fix with cached zone reports
- Fix corruption issues in bcache with chained bio's, and further make
it clear that the chained IO handler is simply a marker, it's not
code meant to be executed
- Kill old code dealing with synchronous IO polling in the block layer,
that has been dead for a long time. Only async polling is supported
these days
- Fix a lockdep issue in tag_set management, moving it to RCU
- Fix an issue with ublks bio_vec iteration
- Don't unconditionally enforce blocking issue of ublk control
commands, allow some of them with non-blocking issue as they
do not block
* tag 'block-6.19-20251211' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
blk-mq-dma: always initialize dma state
blk-mq: delete task running check in blk_hctx_poll()
block: fix cached zone reports on devices with native zone append
block: Use RCU in blk_mq_[un]quiesce_tagset() instead of set->tag_list_lock
ublk: don't mutate struct bio_vec in iteration
block: prohibit calls to bio_chain_endio
bcache: fix improper use of bi_end_io
ublk: allow non-blocking ctrl cmds in IO_URING_F_NONBLOCK issue
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Merge tag 'io_uring-6.19-20251211' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fix from Jens Axboe:
"Single fix for io_uring headed to stable, fixing an issue introduced
with the min_wait support earlier this year, where SQPOLL didn't get
correctly woken if an event arrived once the event waiting has
finished the min_wait portion.
As we already have regression tests for this added and people
reporting new failures there, let's get this one flushed out
so it can bubble back down to stable as well"
* tag 'io_uring-6.19-20251211' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring: fix min_wait wakeups for SQPOLL
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Merge tag 'v6.19-rc-smb3-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- minor cleanup
- minor update to comment to avoid confusion about fs type
* tag 'v6.19-rc-smb3-server-fixes' of git://git.samba.org/ksmbd:
smb/server: add comment to FileSystemName of FileFsAttributeInformation
smb/server: remove unused nterr.h
smb/server: rename include guard in smb_common.h
Highlights include:
Bugfixes:
- Fix 'nlink' attribute update races when unlinking a file.
- Add missing initialisers for the directory verifier in various places.
- Don't regress the NFSv4 open state due to misordered racing replies.
- Ensure the NFSv4.x callback server uses the correct transport
connection.
- Fix potential use-after-free races when shutting down the NFSv4.x
callback server.
- Fix a pNFS layout commit crash.
- Assorted fixes to ensure correct propagation of mount options when the
client crosses a filesystem boundary and triggers the VFS automount
code.
- More localio fixes.
Features and cleanups:
- Add initial support for basic directory delegations.
- SunRPC back channel code cleanups.
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Merge tag 'nfs-for-6.19-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Bugfixes:
- Fix 'nlink' attribute update races when unlinking a file
- Add missing initialisers for the directory verifier in various
places
- Don't regress the NFSv4 open state due to misordered racing replies
- Ensure the NFSv4.x callback server uses the correct transport
connection
- Fix potential use-after-free races when shutting down the NFSv4.x
callback server
- Fix a pNFS layout commit crash
- Assorted fixes to ensure correct propagation of mount options when
the client crosses a filesystem boundary and triggers the VFS
automount code
- More localio fixes
Features and cleanups:
- Add initial support for basic directory delegations
- SunRPC back channel code cleanups"
* tag 'nfs-for-6.19-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (24 commits)
NFSv4: Handle NFS4ERR_NOTSUPP errors for directory delegations
nfs/localio: remove 61 byte hole from needless ____cacheline_aligned
nfs/localio: remove alignment size checking in nfs_is_local_dio_possible
NFS: Fix up the automount fs_context to use the correct cred
NFS: Fix inheritance of the block sizes when automounting
NFS: Automounted filesystems should inherit ro,noexec,nodev,sync flags
Revert "nfs: ignore SB_RDONLY when mounting nfs"
Revert "nfs: clear SB_RDONLY before getting superblock"
Revert "nfs: ignore SB_RDONLY when remounting nfs"
NFS: Add a module option to disable directory delegations
NFS: Shortcut lookup revalidations if we have a directory delegation
NFS: Request a directory delegation during RENAME
NFS: Request a directory delegation on ACCESS, CREATE, and UNLINK
NFS: Add support for sending GDD_GETATTR
NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid
NFSv4.1: protect destroying and nullifying bc_serv structure
SUNRPC: new helper function for stopping backchannel server
SUNRPC: cleanup common code in backchannel request
NFSv4.1: pass transport for callback shutdown
NFSv4: ensure the open stateid seqid doesn't go backwards
...
To get the full benefit of:
eaa9088d56 ("rseq: Use static branch for syscall exit debug when GENERIC_IRQ_ENTRY=y")
clang needs an __always_inline instead of a plain inline qualifier:
$ for i in {1..10}; do taskset -c 4 perf5 bench syscall basic -l 100000000 | grep "ops/sec"; done
Before After
ops/sec 15424491 15872221 +2.9%
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20251205100753.4073221-1-edumazet@google.com
Recent additions to this function cause GCC 14.3.0 to get excited
(W=1) and suggest a missing attribute:
lib/bug.c: In function '__warn_printf':
lib/bug.c:187:25: error: function '__warn_printf' be a candidate for 'gnu_printf' format attribute [-Werror=suggest-attribute=format]
187 | vprintk(fmt, *args);
| ^~~~~~~
Disable the diagnostic locally, following the pattern used for stuff
like va_format().
Fixes: 5c47b7f3d1 ("bug: Add BUG_FORMAT_ARGS infrastructure")
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://patch.msgid.link/20251207-warn-printf-gcc-v1-1-b597d612b94b@google.com
report_bug_entry() always provides zero for bugaddr but could easily
extract the correct address from the provided bug_entry. Just do that to
have proper warning messages.
E.g. adding an artificial:
void foo(void) { WARN_ONCE(1, "bar"); }
function generates this warning message:
WARNING: arch/s390/kernel/setup.c:1017 at 0x0, CPU#0: swapper/0/0
^^^
With the correct bug address this changes to:
WARNING: arch/s390/kernel/setup.c:1017 at foo+0x1c/0x40, CPU#0: swapper/0/0
^^^^^^^^^^^^^
Fixes: 7d2c27a0ec ("bug: Add report_bug_entry()")
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://patch.msgid.link/20251208200658.3431511-1-hca@linux.ibm.com
When building without CONFIG_PM_SLEEP, there are several warnings (or
errors with CONFIG_WERROR=y / W=e) from the cix-ipbloq driver:
sound/hda/controllers/cix-ipbloq.c:378:12: error: 'cix_ipbloq_hda_runtime_resume' defined but not used [-Werror=unused-function]
378 | static int cix_ipbloq_hda_runtime_resume(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/hda/controllers/cix-ipbloq.c:362:12: error: 'cix_ipbloq_hda_runtime_suspend' defined but not used [-Werror=unused-function]
362 | static int cix_ipbloq_hda_runtime_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/hda/controllers/cix-ipbloq.c:349:12: error: 'cix_ipbloq_hda_resume' defined but not used [-Werror=unused-function]
349 | static int cix_ipbloq_hda_resume(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~
sound/hda/controllers/cix-ipbloq.c:336:12: error: 'cix_ipbloq_hda_suspend' defined but not used [-Werror=unused-function]
336 | static int cix_ipbloq_hda_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~~
When CONFIG_PM and CONFIG_PM_SLEEP are unset, SET_SYSTEM_SLEEP_PM_OPS()
and SET_RUNTIME_PM_OPS() evaluate to nothing, so these functions appear
unused to the compiler in this configuration.
Use the modern SYSTEM_SLEEP_PM_OPS and RUNTIME_PM_OPS macros to resolve
these warnings, which is what they are intended to do. Additionally,
wrap &cix_ipbloq_hda_pm in pm_ptr() to ensure the compiler can drop the
entire structure when CONFIG_PM is unset.
Fixes: d91e9bd101 ("ALSA: hda: add CIX IPBLOQ HDA controller support")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20251211-hda-cix-ipbloq-modern-pm-ops-v1-1-c7a5580af021@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
A small pile of fixes that came in during the merge window, it's all
fairly standard device specific stuff.
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Merge tag 'asoc-fix-v6.19-merge-window' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.19
A small pile of fixes that came in during the merge window, it's all
fairly standard device specific stuff.
These definitions are already in common/smb2pdu.h, so remove the duplicated
ones from the client.
Co-developed-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: ZhangGuoDong <zhangguodong@kylinos.cn>
Signed-off-by: Steve French <stfrench@microsoft.com>
These definitions are specified in MS-FSCC 2.6, so move them into fscc.h.
Modify the following places:
- FILE_ATTRIBUTE__MASK -> FILE_ATTRIBUTE_MASK
- Update FILE_ATTRIBUTE_MASK value
- cpu_to_le32(constant) -> cpu_to_le32(MACRO DEFINITION)
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: Steve French <stfrench@microsoft.com>
Add the missing field to the structure (see MS-FSCC 2.3.9.2), and correct
the section number in the documentation reference.
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: Steve French <stfrench@microsoft.com>
fix deadlock when reloading a multipath table
don't warn if IMA_DISABLE_HTABLE is not enabled
test for REQ_ATOMIC in dm_accept_partial_bio()
ignore discard return value
MAINTAINERS: add Benjamin Marzinski as a device mapper maintainer
dm-bufio: align write boundary on physical block size
dm-crypt: use the MD5 library directly
dm-crypt: use folio_nr_pages() instead of shift operation
dm-crypt: enable DM_TARGET_ATOMIC_WRITES
dm-verity: remove log message with shash driver name
dm-verity: use the SHA-256 library directly
dm-verity: use 2-way interleaved SHA-256 hashing when supported
dm-verity: expose corrected block count via status
dm-verity: disable recursive forward error correction
dm-verity: remove useless mempool
dm-mpath: enable DM_TARGET_ATOMIC_WRITES
dm-mpath: simplify the setup_scsi_dh code
dm-ebs: mark full buffer dirty even on partial write
dm-vdo: fix kerneldoc warnings
dm-snapshot: fix 'scheduling while atomic' on real-time kernels
dm-raid: fix possible NULL dereference with undefined raid type
dm raid: add documentation for takeover/reshape raid1 -> raid5 table line examples
dm-log-writes: add missing set_freezable() for freezable kthread
dm-pcache: fixes in indexing code
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Merge tag 'for-6.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mikulas Patocka:
- convert crypto_shash users to direct crypto library use with simpler
and faster code and reduced stack usage (Eric Biggers):
- the dm-verity SHA-256 conversion also teaches it to do two-way
interleaved hashing for added performance
- dm-crypt MD5 conversion (used for Loop-AES compatibility)
- added document for for takeover/reshape raid1 -> raid5 examples (Heinz Mauelshagen)
- fix dm-vdo kerneldoc warnings (Matthew Sakai)
- various random fixes and cleanups
* tag 'for-6.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (29 commits)
dm pcache: fix segment info indexing
dm pcache: fix cache info indexing
dm-pcache: advance slot index before writing slot
dm raid: add documentation for takeover/reshape raid1 -> raid5 table line examples
dm log-writes: Add missing set_freezable() for freezable kthread
dm-raid: fix possible NULL dereference with undefined raid type
dm-snapshot: fix 'scheduling while atomic' on real-time kernels
dm: ignore discard return value
MAINTAINERS: add Benjamin Marzinski as a device mapper maintainer
dm-mpath: Simplify the setup_scsi_dh code
dm vdo: fix kerneldoc warnings
dm-bufio: align write boundary on physical block size
dm-crypt: enable DM_TARGET_ATOMIC_WRITES
dm: test for REQ_ATOMIC in dm_accept_partial_bio()
dm-verity: remove useless mempool
dm-verity: disable recursive forward error correction
dm-ebs: Mark full buffer dirty even on partial write
dm mpath: enable DM_TARGET_ATOMIC_WRITES
dm verity fec: Expose corrected block count via status
dm: Don't warn if IMA_DISABLE_HTABLE is not enabled
...
A few small fixes for SPI that came in during the merge window, nothing
too exciting here.
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Merge tag 'spi-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few small fixes for SPI that came in during the merge window,
nothing too exciting here"
* tag 'spi-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: microchip-core: Fix an error handling path in mchp_corespi_probe()
spi: cadence-qspi: Fix runtime PM imbalance in probe
A few fixes that came in during the merge window, nothing too exciting -
the one core fix improves error propagation from gpiolib which hopefully
shouldn't actually happen but is safer.
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Merge tag 'regulator-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few fixes that came in during the merge window, nothing too
exciting - the one core fix improves error propagation from gpiolib
which hopefully shouldn't actually happen but is safer"
* tag 'regulator-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: spacemit: Align input supply name with the DT binding
regulator: fixed: Rely on the core freeing the enable GPIO
regulator: check the return value of gpiod_set_value_cansleep()
The new memfd code fails to link without SHMEM:
aarch64-linux-ld: mm/memfd_luo.o: in function `memfd_luo_retrieve_folios':
memfd_luo.c:(.text.memfd_luo_retrieve_folios+0xdc): undefined reference to `shmem_add_to_page_cache'
memfd_luo.c:(.text.memfd_luo_retrieve_folios+0x11c): undefined reference to `shmem_inode_acct_blocks'
memfd_luo.c:(.text.memfd_luo_retrieve_folios+0x134): undefined reference to `shmem_recalc_inode'
Add a Kconfig dependency to disallow that configuration.
Link: https://lkml.kernel.org/r/20251204100203.1034394-1-arnd@kernel.org
Fixes: b3749f174d ("mm: memfd_luo: allow preserving memfd")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The newly added 'flags' variable is unused and causes a warning if
CONFIG_SHMEM is disabled, since the shmem_acct_size() macro it is passed
into does nothing:
mm/shmem.c: In function '__shmem_file_setup':
mm/shmem.c:5816:23: error: unused variable 'flags' [-Werror=unused-variable]
5816 | unsigned long flags = (vm_flags & VM_NORESERVE) ? SHMEM_F_NORESERVE : 0;
| ^~~~~
Replace the two macros with equivalent inline functions to get the
argument checking.
Link: https://lkml.kernel.org/r/20251204102905.1048000-1-arnd@kernel.org
Fixes: 6ff1610ced ("mm: shmem: use SHMEM_F_* flags instead of VM_* flags")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: guoweikang <guoweikang.kernel@gmail.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kairui Song <kasong@tencent.com>
Cc: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
In 'ocfs2_merge_rec_left()', do not reset 'left_path' to NULL after
move, thus allowing 'ocfs2_free_path()' to free it before return.
Link: https://lkml.kernel.org/r/20251205065159.392749-1-dmantipov@yandex.ru
Fixes: 677b975282 ("ocfs2: Add support for cross extent block")
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Reported-by: syzbot+cfc7cab3bb6eaa7c4de2@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=cfc7cab3bb6eaa7c4de2
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
A panic occurs in ocfs2_unlink due to WARN_ON(inode->i_nlink == 0) when
handling a corrupted inode with i_mode=0 and i_nlink=0 in memory.
This "zombie" inode is created because ocfs2_read_locked_inode proceeds
even after ocfs2_validate_inode_block successfully validates a block that
structurally looks okay (passes checksum, signature etc.) but contains
semantically invalid data (specifically i_mode=0). The current validation
function doesn't check for i_mode being zero.
This results in an in-memory inode with i_mode=0 being added to the VFS
cache, which later triggers the panic during unlink.
Prevent this by adding an explicit check for (i_mode == 0, i_nlink == 0,
non-orphan) within ocfs2_validate_inode_block. If the check is true,
return -EFSCORRUPTED to signal corruption. This causes the caller
(ocfs2_read_locked_inode) to invoke make_bad_inode(), correctly preventing
the zombie inode from entering the cache.
Link: https://lkml.kernel.org/r/20251202224507.53452-2-eraykrdg1@gmail.com
Co-developed-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Ahmet Eray Karadag <eraykrdg1@gmail.com>
Reported-by: syzbot+55c40ae8a0e5f3659f2b@syzkaller.appspotmail.com
Fixes: https://syzkaller.appspot.com/bug?extid=55c40ae8a0e5f3659f2b
Link: https://lore.kernel.org/all/20251022222752.46758-2-eraykrdg1@gmail.com/T/
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: David Hunter <david.hunter.linux@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Heming Zhao <heming.zhao@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-Wflex-array-member-not-at-end was introduced in GCC-14, and we are
getting ready to enable it, globally.
Use the new TRAILING_OVERLAP() helper to fix the following warning:
fs/ocfs2/xattr.c:52:41: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
This helper creates a union between a flexible-array member (FAM) and a
set of MEMBERS that would otherwise follow it.
This overlays the trailing MEMBER struct ocfs2_extent_rec er; onto the FAM
struct ocfs2_xattr_value_root::xr_list.l_recs[], while keeping the FAM and
the start of MEMBER aligned.
The static_assert() ensures this alignment remains, and it's intentionally
placed inmediately after the related structure --no blank line in between.
Link: https://lkml.kernel.org/r/aRKm_7aN7Smc3J5L@kspp
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Now that the centralized `ocfs2_emergency_state()` helper is available,
refactor remaining filesystem-wide checks for `ocfs2_is_soft_readonly` and
`ocfs2_is_hard_readonly` to use this new function.
To ensure strict consistency with the previous behavior and guarantee no
functional changes, the call sites continue to explicitly return -EROFS
when the emergency state is detected. This standardizes the check logic
while preserving the existing error handling flow.
Link: https://lkml.kernel.org/r/3421641b54ad6b6e4ffca052351b518eacc1bd08.1764728893.git.eraykrdg1@gmail.com
Co-developed-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Ahmet Eray Karadag <eraykrdg1@gmail.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: David Hunter <david.hunter.linux@gmail.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "ocfs2: Refactor read-only checks to use
ocfs2_emergency_state", v4.
Following the fix for the `make_bad_inode` validation failure (syzbot ID:
b93b65ee321c97861072), this separate series introduces a new helper
function, `ocfs2_emergency_state()`, to improve and centralize read-only
and error state checking.
This is modeled after the `ext4_emergency_state()` pattern, providing a
single, unified location for checking all filesystem-level emergency
conditions. This makes the code cleaner and ensures that any future
checks (e.g., for fatal error states) can be added in one place.
This series is structured as follows:
1. The first patch introduces the `ocfs2_emergency_state()` helper
(currently checking for -EROFS) and applies it to `ocfs2_setattr`
to provide a "fail-fast" mechanism, as suggested by Albin
Babu Varghese.
2. The second patch completes the refactoring by converting all
remaining read-only checks throughout OCFS2 to use this new helper.
This patch (of 2):
To centralize error checking, follow the pattern of other filesystems like
ext4 (which uses `ext4_emergency_state()`), and prepare for future
enhancements, this patch introduces a new helper function:
`ocfs2_emergency_state()`.
The purpose of this helper is to provide a single, unified location for
checking all filesystem-level emergency conditions. In this initial
implementation, the function only checks for the existing hard and soft
read-only modes, returning -EROFS if either is set.
This provides a foundation where future checks (e.g., for fatal error
states returning -EIO, or shutdown states) can be easily added in one
place.
This patch also adds this new check to the beginning of `ocfs2_setattr()`.
This ensures that operations like `ftruncate` (which triggered the
original BUG) fail-fast with -EROFS when the filesystem is already in a
read-only state.
Link: https://lkml.kernel.org/r/cover.1764728893.git.eraykrdg1@gmail.com
Link: https://lkml.kernel.org/r/e9e975bcaaff8dbc155b70fbc1b2798a2e36e96f.1764728893.git.eraykrdg1@gmail.com
Co-developed-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Ahmet Eray Karadag <eraykrdg1@gmail.com>
Suggested-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Cc: David Hunter <david.hunter.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Uinitialized pointers with __free attribute can cause undefined behavior
as the memory randomly assigned to the pointer is freed automatically when
the pointer goes out of scope. add check in checkpatch to detect such
issues.
Link: https://lkml.kernel.org/r/20251203-aheev-checkpatch-uninitialized-free-v7-1-841e3b31d8f3@gmail.com
Signed-off-by: Ally Heev <allyheev@gmail.com>
Suggested-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/all/8a4c0b43-cf63-400d-b33d-d9c447b7e0b9@suswa.mountain/
Link: https://lore.kernel.org/all/58fd478f408a34b578ee8d949c5c4b4da4d4f41d.camel@HansenPartnership.com/
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: David Hunter <david.hunter.linux@gmail.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: James Bottomley <james.bottomley@HansenPartnership.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Menon, Nishanth <nm@ti.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Viresh Kumar <vireshk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The macro uses up to 15 arguments. Reflect this in the top level comment.
Link: https://lkml.kernel.org/r/20251201201018.765475-1-andriy.shevchenko@linux.intel.com
Fixes: d51e783c17 ("lsm: count the LSMs enabled at compile time")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Linus Torvalds