For WQ_UNBOUND workqueues, alloc_and_link_pwqs() allocates wq->cpu_pwq
via alloc_percpu() and then calls apply_workqueue_attrs_locked(). On
failure it returns the error directly, bypassing the enomem: label
which holds the only free_percpu(wq->cpu_pwq) in this function.
The caller's error path kfree()s wq without touching wq->cpu_pwq,
leaking one percpu pointer table (nr_cpu_ids * sizeof(void *) bytes) per
failed call.
If kmemleak is enabled, we can see:
unreferenced object (percpu) 0xc0fffa5b121048 (size 8):
comm "insmod", pid 776, jiffies 4294682844
backtrace (crc 0):
pcpu_alloc_noprof+0x665/0xac0
__alloc_workqueue+0x33f/0xa20
alloc_workqueue_noprof+0x60/0x100
Route the error through the existing enomem: cleanup and any error
before this one.
Cc: stable@kernel.org
Fixes: 636b927eba ("workqueue: Make unbound workqueues to use per-cpu pool_workqueues")
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
The caller of __queue_work() owns WORK_STRUCT_PENDING, won via
test_and_set_bit() in queue_work_on()/__queue_delayed_work(). The
state machine documented above __queue_work() requires that owner
to either hand the token to a pwq (insert_work() -> set_work_pwq()),
hand it to a timer, or release it via set_work_pool_and_clear_pending().
try_to_grab_pending() relies on this: when it observes
"PENDING && off-queue" it busy-loops, trusting the current owner to
make progress.
The (__WQ_DESTROYING | __WQ_DRAINING) early-return path violates that
contract. It WARN_ONCE()s and bare-returns, leaving work->data with
PENDING set, WORK_STRUCT_PWQ clear, and work->entry empty.
The path is reachable without explicit API abuse: queue_delayed_work()
arms a timer with PENDING set; if drain_workqueue() runs while the
timer is still pending, delayed_work_timer_fn() -> __queue_work() in
softirq context hits the WARN, current is not a wq worker so
is_chained_work() is false, and the work is silently dropped with
PENDING leaked.
Mirror what clear_pending_if_disabled() already does on its analogous
reject path: unpack the off-queue data and call
set_work_pool_and_clear_pending() to release the token before
returning.
I was able to reproduce this by queueing several slow works on
a max_active=1 wq, arm a delayed_work whose timer fires while
drain_workqueue() is blocked, then call cancel_delayed_work_sync().
Without this patch the cancel livelocks at 100% CPU; with it the cancel
returns immediately.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
alloc_workqueue_va() forwards its va_list to __alloc_workqueue() which
ultimately feeds vsnprintf(). __alloc_workqueue() already carries
__printf(1, 0); the new wrapper needs the same annotation so format
string checking propagates through the forwarding.
Fixes: 0de4cb473a ("workqueue: fix devm_alloc_workqueue() va_list misuse")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202604300347.2LgXyteh-lkp@intel.com/
Signed-off-by: Tejun Heo <tj@kernel.org>
devm_alloc_workqueue() built a va_list and passed it as a single
positional argument to the variadic alloc_workqueue() macro:
va_start(args, max_active);
wq = alloc_workqueue(fmt, flags, max_active, args);
va_end(args);
C does not allow forwarding a va_list through a ... parameter.
alloc_workqueue() expands to alloc_workqueue_noprof(), which runs
its own va_start() over its ... params, so the inner
vsnprintf(wq->name, sizeof(wq->name), fmt, args) in
__alloc_workqueue() received the outer va_list object as the first
variadic slot rather than the caller's actual format arguments.
Add a new static helper alloc_workqueue_va() that wraps
__alloc_workqueue() and runs wq_init_lockdep() on success, and
fold both alloc_workqueue_noprof() and devm_alloc_workqueue_noprof()
onto it as suggested by Tejun.
The wq_init_lockdep() step is required on the devm path
too, otherwise __flush_workqueue()'s on-stack
COMPLETION_INITIALIZER_ONSTACK_MAP would NULL-deref wq->lockdep_map.
No caller changes are required. devm_alloc_ordered_workqueue() is
a macro forwarding to devm_alloc_workqueue() and inherits the fix.
Two in-tree callers actively trigger the broken path on every probe:
drivers/power/supply/mt6370-charger.c:889
drivers/power/supply/max77705_charger.c:649
both of which use devm_alloc_ordered_workqueue(dev, "%s", 0,
dev_name(dev)).
A standalone reproducer module is available at[1].
Link: https://github.com/leitao/debug/blob/main/workqueue/valist/wq_va_test.c [1]
Fixes: 1dfc9d60a6 ("workqueue: devres: Add device-managed allocate workqueue")
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Pull xen fixes from Juergen Gross:
"XSA-485 and XSA-487 security patches"
* tag 'xsa48x-7.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/privcmd: fix double free via VMA splitting
Buffer overflow in drivers/xen/sys-hypervisor.c
Pull cgroup fixes from Tejun Heo:
- Fix UAF race in psi pressure_write() against cgroup file release by
extending cgroup_mutex coverage and ordering of->priv access after
cgroup_kn_lock_live()
- Fix integer overflow in rdmacg_try_charge() when usage equals INT_MAX
by performing the increment in s64
- Fix asymmetric DL bandwidth accounting on cpuset attach rollback by
recording the CPU used by dl_bw_alloc() so cancel_attach() returns
the reservation to the same root domain
- Fix nr_dying_subsys_* race that briefly showed 0 in cgroup.stat after
rmdir by incrementing from kill_css() instead of offline_css()
- Typo fix in cgroup-v2 documentation
* tag 'cgroup-for-7.1-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
docs: cgroup: fix typo 'protetion' -> 'protection'
cgroup: Increment nr_dying_subsys_* from rmdir context
cgroup/cpuset: record DL BW alloc CPU for attach rollback
cgroup/rdma: fix integer overflow in rdmacg_try_charge()
sched/psi: fix race between file release and pressure write
Pull isofs and udf fixes from Jan Kara:
"Several isofs and udf fixes"
* tag 'fs_for_v7.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
docs: isofs: replace dead ECMA-119 FTP link
udf: reject descriptors with oversized CRC length
isofs: use QSTR_LEN() in isofs_cmp
isofs: validate block number from NFS file handle in isofs_export_iget
isofs: validate Rock Ridge CE continuation extent against volume size
Pull btrfs fixes from David Sterba:
- space reservation fixes:
- correctly undo 'may_use' accounting for remap tree
- avoid double decrement of 'may_use' when submitting async io
- actually enable the shutdown ioctl callback (not just the superblock
ops)
- raid stripe tree fixes when deleting extents
- add missing error handling
- fix various incorrect values set
- fix transaction state when removing a directory, possibly leading to
EIO during log replay
- additional b-tree node key checks during metadata readahead
- error handling and transaction abort updates
* tag 'for-7.1-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix double-decrement of bytes_may_use in submit_one_async_extent()
btrfs: check return value of btrfs_partially_delete_raid_extent()
btrfs: handle -EAGAIN from btrfs_duplicate_item and refresh stale leaf pointer
btrfs: replace ASSERT with proper error handling in stripe lookup fallback
btrfs: fix wrong min_objectid in btrfs_previous_item() call
btrfs: fix raid stripe search missing entries at leaf boundaries
btrfs: copy devid in btrfs_partially_delete_raid_extent()
btrfs: handle unexpected free-space-tree key types
btrfs: fix missing last_unlink_trans update when removing a directory
btrfs: don't clobber errors in add_remap_tree_entries()
btrfs: enable shutdown ioctl for non-experimental builds
btrfs: apply first key check for readahead when possible
btrfs: abort transaction in do_remap_reloc_trans() on failure
btrfs: fix bytes_may_use leak in do_remap_reloc_trans()
btrfs: fix bytes_may_use leak in move_existing_remap()
Fix a small typo in the description of the memory_hugetlb_accounting
mount option.
Signed-off-by: Petr Vaněk <arkamar@atlas.cz>
Signed-off-by: Tejun Heo <tj@kernel.org>
Pull clk fix from Stephen Boyd:
"One more fix for the merge window to avoid a boot hang on
Raspberry Pi 3B by marking the VEC clk critical so that it
doesn't get turned off and hang the bus"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: bcm: rpi: Mark VEC clock as CLK_IGNORE_UNUSED
Pull PCIe TSP update from Dan Williams:
"A small update for the TSM core. It is arguably a fix and coming in
late as I have been offline the past few weeks:
- Drop class_create() for the 'tsm' class"
* tag 'tsm-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm:
virt: coco: change tsm_class to a const struct
Pull Kbuild fixes from Nicolas Schier:
- builddeb - avoid recompiles for non-cross-compiles
Avoid triggering complete rebuilds for non-cross-compile Debian
package builds by only triggering the rebuild of host tools for
actual cross-compile builds
- Never respect CONFIG_WERROR / W=e to fixdep
Avoid spurious rebuilds of fixdep w/ and w/o -Werror during a single
kbuild invocation by never respecting CONFIG_WERROR for fixdep
* tag 'kbuild-fixes-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux:
kbuild: Never respect CONFIG_WERROR / W=e to fixdep
kbuild: builddeb - avoid recompiles for non-cross-compiles
Pull power utility updates from Len Brown:
"x86_energy_perf_policy:
- Initial SoC Slider support
turbostat:
- Display HT siblings in cpu# order
- Add Module-ID column
- Print Core-ID and APIC-ID in hex
- Fix misc bugs"
* tag 'power-utilities-2026.04.25' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power x86_energy_perf_policy: Version 2026.04.25
tools/power x86_energy_perf_policy.8: Document SoC Slider Options
tools/power x86_energy_perf_policy: Enhances SoC Slider related checks
tools/power turbostat: v2026.04.21
tools/power turbostat: Process HT siblings in CPU order
tools/power turbostat: Show module_id column
tools/power turbostat: Print core_id and apic_id in hex
tools/power turbostat: Cleanup print helper functions
tools/power turbostat: Fix --cpu-set 1 regression on HT systems
tools/power turbostat: Fix --cpu-set 0 regression on HT systems
tools/power turbostat: Fix unrecognized option '-P'
tools/power turbostat: Fix AMD RAPL regression on big systems
tools/power/x86: Add SOC slider and platform profile support
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- add data_race() in rtc_dev_poll()
Drivers:
- remove i2c_match_id usage
- abx80x: Disable alarm feature if no interrupt attached
- ti-k3: support resuming from IO DDR low power mode"
* tag 'rtc-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: abx80x: Disable alarm feature if no interrupt attached
rtc: ntxec: fix OF node reference imbalance
rtc: pic32: allow driver to be compiled with COMPILE_TEST
rtc: ti-k3: Add support to resume from IO DDR low power mode
rtc: cmos: Use platform_get_irq_optional() in cmos_platform_probe()
dt-bindings: rtc: add olpc,xo1-rtc to trivial-rtc
dt-bindings: rtc: sc2731: Add compatible for SC2730
rtc: add data_race() in rtc_dev_poll()
rtc: armada38x: zalloc + calloc to single allocation
dt-bindings: rtc: isl12026: convert to YAML schema
dt-bindings: rtc: microcrystal,rv3028: Allow to specify vdd-supply
rtc: max77686: convert to i2c_new_ancillary_device
dt-bindings: rtc: mpfs-rtc: permit resets
rtc: rx8025: Remove use of i2c_match_id()
rtc: rv8803: Remove use of i2c_match_id()
rtc: rs5c372: Remove use of i2c_match_id()
rtc: pcf2127: Remove use of i2c_match_id()
rtc: m41t80: Remove use of i2c_match_id()
rtc: abx80x: Remove use of i2c_match_id()
Pull tpm updates from Jarkko Sakkinen:
"Here are the accumulated fixes for 7.1-rc1 and a single structural
change worth mentioning separately: Rafael's commit converting tpm_crb
from ACPI driver to a platform driver"
* tag 'for-next-tpm-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: tpm_tis: stop transmit if retries are exhausted
tpm: tpm_tis: add error logging for data transfer
tpm: avoid -Wunused-but-set-variable
tpm: Use kfree_sensitive() to free auth session in tpm_dev_release()
tpm2-sessions: Fix missing tpm_buf_destroy() in tpm2_read_public()
tpm: Fix auth session leak in tpm2_get_random() error path
tpm: i2c: atmel: fix block comment formatting
tpm_crb: Convert ACPI driver to a platform one
tpm: Make tcpci_pm_ops variable static const
Since v2025.11.22:
Initial SoC Slider support
SoC Slider is an SoC-wide power/performance policy setting.
On SoC Slider systems, EPP plays a diminished role.
Whitespace cleanup via: indent -npro -kr -i8 -ts8 -sob -l160 -ss -ncs -cp1
No functional changes
Signed-off-by: Len Brown <len.brown@intel.com>
x86_energy_perf_policy accesses the SoC Slider via standard
user/kernel APIs to the processor_thermal_soc_slider driver.
Machines that support SoC Slider largely use it instead of EPP,
which may continue to exist in a diminished role, or vanish entirely.
Signed-off-by: Len Brown <len.brown@intel.com>
When processor_thermal_soc_slider is loaded, its slider
and offset modparams are visible. Check that the driver
actually registered the profile named "SoC Slider" before
reading or writing these modparams.
n.b. This utility allows writing the Slider and Offset modparams
even if the driver policy is not "balanced". Currently the
processor_thermal_soc_slider consults those modparams
only in "balanced" mode.
Signed-off-by: Len Brown <len.brown@intel.com>
Pull ARM updates from Russell King:
- fix a race condition handling PG_dcache_clean
- further cleanups for the fault handling, allowing RT to be enabled
- fixing nzones validation in adfs filesystem driver
- fix for module unwinding
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
ARM: 9463/1: Allow to enable RT
ARM: 9472/1: fix race condition on PG_dcache_clean in __sync_icache_dcache()
ARM: 9471/1: module: fix unwind section relocation out of range error
fs/adfs: validate nzones in adfs_validate_bblk()
ARM: provide individual is_translation_fault() and is_permission_fault()
ARM: move FSR fault status definitions before fsr_fs()
ARM: use BIT() and GENMASK() for fault status register fields
ARM: move is_permission_fault() and is_translation_fault() to fault.h
ARM: move vmalloc() lazy-page table population
ARM: ensure interrupts are enabled in __do_user_fault()
Pull ring-buffer fix from Steven Rostedt:
- Fix accounting of persistent ring buffer rewind
On boot up, the head page is moved back to the earliest point of the
saved ring buffer. This is because the ring buffer being read by user
space on a crash may not save the part it read. Rewinding the head
page back to the earliest saved position helps keep those events from
being lost.
The number of events is also read during boot up and displayed in the
stats file in the tracefs directory. It's also used for other
accounting as well. On boot up, the "reader page" is accounted for
but a rewind may put it back into the buffer and then the reader page
may be accounted for again.
Save off the original reader page and skip accounting it when
scanning the pages in the ring buffer.
* tag 'trace-ring-buffer-v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Do not double count the reader_page
Pull block fixes from Jens Axboe:
- Series for zloop, fixing a variety of issues
- t10-pi code cleanup
- Fix for a merge window regression with the bio memory allocation mask
- Fix for a merge window regression in ublk, caused by an issue with
the maple tree iteration code at teardown
- ublk self tests additions
- Zoned device pgmap fixes
- Various little cleanups and fixes
* tag 'block-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (21 commits)
Revert "floppy: fix reference leak on platform_device_register() failure"
ublk: avoid unpinning pages under maple tree spinlock
ublk: refactor common helper ublk_shmem_remove_ranges()
ublk: fix maple tree lockdep warning in ublk_buf_cleanup
selftests: ublk: add ublk auto integrity test
selftests: ublk: enable test_integrity_02.sh on fio 3.42
selftests: ublk: remove unused argument to _cleanup
block: only restrict bio allocation gfp mask asked to block
block/blk-throttle: Add WQ_PERCPU to alloc_workqueue users
block: Add WQ_PERCPU to alloc_workqueue users
block: relax pgmap check in bio_add_page for compatible zone device pages
block: add pgmap check to biovec_phys_mergeable
floppy: fix reference leak on platform_device_register() failure
ublk: use unchecked copy helpers for bio page data
t10-pi: reduce ref tag code duplication
zloop: remove irq-safe locking
zloop: factor out zloop_mark_{full,empty} helpers
zloop: set RQF_QUIET when completing requests on deleted devices
zloop: improve the unaligned write pointer warning
zloop: use vfs_truncate
...
Pull io_uring fixes from Jens Axboe:
- Fix for a NOMMU bug with io_uring, where NOMMU doesn't grab page refs
at mmap time. NOMMU also has entirely broken FOLL_PIN support, yet
here we are
- A few fixes covering minor issues introduced in this merge window
- data race annotation to shut up KCSAN for when io-wq limits are
applied
- A nospec addition for direct descriptor file updating. Rest of the
direct descriptor path already had this, but for some reason the
update did not. Now they are all the same
- Various minor defensive changes that claude identified and suggested
terrible fixes for, turned into actually useful cleanups:
- Use kvfree() for the imu cache. These can come from kmalloc or
vmalloc depending on size, but the in-cache ones are capped
where it's always kmalloc based. Change to kvfree() in the
cleanup path, making future changes unlikely to mess that up
- Negative kbuf consumption lengths. Can't happen right now, but
cqe->res is used directly, which if other codes changes could
then be an error value
- Fix for an issue with the futex code, where partial wakes on a
vectored fuxes would potentially wake the same futex twice, rather
than move on to the next one. This could confuse an application as it
would've expected the next futex to have been woken
- Fix for a bug with ring resizing, where SQEs or CQEs might not have
been copied correctly if large SQEs or CQEs are used in the ring.
Application side issue, where SQEs or CQEs might have been lost
during resize
- Fix for a bug where EPOLL_URING_WAKE might have been lost, causing a
multishot poll to not be terminated when it's nested, like it should
have been
- Fix for an issue with signed comparison of poll references for the
slow path
- Fix for a user struct UAF in the zcrx code
- Two minor zcrx cleanups
* tag 'io_uring-7.1-20260424' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring: take page references for NOMMU pbuf_ring mmaps
io_uring/poll: ensure EPOLL_ONESHOT is propagated for EPOLL_URING_WAKE
io_uring/zcrx: warn on freelist violations
io_uring/zcrx: clear RQ headers on init
io_uring/zcrx: fix user_struct uaf
io_uring/register: fix ring resizing with mixed/large SQEs/CQEs
io_uring/futex: ensure partial wakes are appropriately dequeued
io_uring/rw: add defensive hardening for negative kbuf lengths
io_uring/rsrc: use kvfree() for the imu cache
io_uring/rsrc: unify nospec indexing for direct descriptors
io_uring: fix spurious fput in registered ring path
io_uring: fix iowq_limits data race in tctx node addition
io_uring/tctx: mark io_wq as exiting before error path teardown
io_uring/tctx: check for setup tctx->io_wq before teardown
io_uring/poll: fix signed comparison in io_poll_get_ownership()
Pull NFS client updates from Trond Myklebust:
"Bugfixes:
- Fix handling of ENOSPC so that if we have to resend writes, they
are written synchronously
- SUNRPC RDMA transport fixes from Chuck
- Several fixes for delegated timestamps in NFSv4.2
- Failure to obtain a directory delegation should not cause stat() to
fail with NFSv4
- Rename was failing to update timestamps when a directory delegation
is held on NFSv4
- Ensure we check rsize/wsize after crossing a NFSv4 filesystem
boundary
- NFSv4/pnfs:
- If the server is down, retry the layout returns on reboot
- Fallback to MDS could result in a short write being incorrectly
logged
Cleanups:
- Use memcpy_and_pad in decode_fh"
* tag 'nfs-for-7.1-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (21 commits)
NFS: Fix RCU dereference of cl_xprt in nfs_compare_super_address
NFS: remove redundant __private attribute from nfs_page_class
NFSv4.2: fix CLONE/COPY attrs in presence of delegated attributes
NFS: fix writeback in presence of errors
nfs: use memcpy_and_pad in decode_fh
NFSv4.1: Apply session size limits on clone path
NFSv4: retry GETATTR if GET_DIR_DELEGATION failed
NFS: fix RENAME attr in presence of directory delegations
pnfs/flexfiles: validate ds_versions_cnt is non-zero
NFS/blocklayout: print each device used for SCSI layouts
xprtrdma: Post receive buffers after RPC completion
xprtrdma: Scale receive batch size with credit window
xprtrdma: Replace rpcrdma_mr_seg with xdr_buf cursor
xprtrdma: Decouple frwr_wp_create from frwr_map
xprtrdma: Close lost-wakeup race in xprt_rdma_alloc_slot
xprtrdma: Avoid 250 ms delay on backlog wakeup
xprtrdma: Close sendctx get/put race that can block a transport
nfs: update inode ctime after removexattr operation
nfs: fix utimensat() for atime with delegated timestamps
NFS: improve "Server wrote zero bytes" error
...
Pull ceph updates from Ilya Dryomov:
"We have a series from Alex which extends CephFS client metrics with
support for per-subvolume data I/O performance and latency tracking
(metadata operations aren't included) and a good variety of fixes and
cleanups across RBD and CephFS"
* tag 'ceph-for-7.1-rc1' of https://github.com/ceph/ceph-client:
ceph: add subvolume metrics collection and reporting
ceph: parse subvolume_id from InodeStat v9 and store in inode
ceph: handle InodeStat v8 versioned field in reply parsing
libceph: Fix slab-out-of-bounds access in auth message processing
rbd: fix null-ptr-deref when device_add_disk() fails
crush: cleanup in crush_do_rule() method
ceph: clear s_cap_reconnect when ceph_pagelist_encode_32() fails
ceph: only d_add() negative dentries when they are unhashed
libceph: update outdated comment in ceph_sock_write_space()
libceph: Remove obsolete session key alignment logic
ceph: fix num_ops off-by-one when crypto allocation fails
libceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply()
Pull ntfs updates from Namjae Jeon:
- Fix potential data leakage by zeroing the portion of the straddle
block beyond initialized_size when reading non-resident attributes
- Remove unnecessary zeroing in ntfs_punch_hole() for ranges beyond
initialized_size, as they are already returned as zeros on read
- Fix writable check in ntfs_file_mmap_prepare() to correctly handle
shared mappings using VMA_SHARED_BIT | VMA_MAYWRITE_BIT
- Use page allocation instead of kmemdup() for IOMAP_INLINE data to
ensure page-aligned address and avoid BUG trap in
iomap_inline_data_valid() caused by the page boundary check
- Add a size check before memory allocation in ntfs_attr_readall() and
reject overly large attributes
- Remove unneeded noop_direct_IO from ntfs_aops as it is no longer
required following the FMODE_CAN_ODIRECT flag
- Fix seven static analysis warnings reported by Smatch
* tag 'ntfs-for-7.1-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs:
ntfs: use page allocation for resident attribute inline data
ntfs: fix mmap_prepare writable check for shared mappings
ntfs: fix potential 32-bit truncation in ntfs_write_cb()
ntfs: fix uninitialized variable in ntfs_map_runlist_nolock
ntfs: delete dead code
ntfs: add missing error code in ntfs_mft_record_alloc()
ntfs: fix uninitialized variables in ntfs_ea_set_wsl_inode()
ntfs: fix uninitialized pointer in ntfs_write_mft_block
ntfs: fix uninitialized variable in ntfs_write_simple_iomap_begin_non_resident
ntfs: remove noop_direct_IO from address_space_operations
ntfs: limit memory allocation in ntfs_attr_readall
ntfs: not zero out range beyond init in punch_hole
ntfs: zero out stale data in straddle block beyond initialized_size
Pull 9p updates from Dominique Martinet:
- 9p access flag fix (cannot change access flag since new mount API implem)
- some minor cleanup
* tag '9p-for-7.1-rc1' of https://github.com/martinetd/linux:
9p/trans_xen: replace simple_strto* with kstrtouint
9p/trans_xen: make cleanup idempotent after dataring alloc errors
9p: document missing enum values in kernel-doc comments
9p: fix access mode flags being ORed instead of replaced
9p: fix memory leak in v9fs_init_fs_context error path
Pull SPDX update from Greg KH:
"Here is a single SPDX-like change for 7.1-rc1. It explicitly allows
the use of SPDX-FileCopyrightText which has been used already in many
files.
At the same time, update checkpatch to catch any "non allowed" spdx
identifiers as we don't want to go overboard here.
This has been in linux-next for a long time with no reported problems"
* tag 'spdx-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx:
LICENSES: Explicitly allow SPDX-FileCopyrightText
Pull char / misc / IIO / and others driver updates from Greg KH:
"Here is the char/misc/iio and other smaller driver subsystem updates
for 7.1-rc1. Lots of stuff in here, all tiny, but relevant for the
different drivers they touch. Major points in here is:
- the usual large set of new IIO drivers and updates for that
subsystem (the large majority of this diffstat)
- lots of comedi driver updates and bugfixes
- coresight driver updates
- interconnect driver updates and additions
- mei driver updates
- binder (both rust and C versions) updates and fixes
- lots of other smaller driver subsystem updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (405 commits)
coresight: tpdm: fix invalid MMIO access issue
mei: me: add nova lake point H DID
mei: lb: add late binding version 2
mei: bus: add mei_cldev_uuid
w1: ds2490: drop redundant device reference
bus: mhi: host: pci_generic: Add Telit FE912C04 modem support
mei: csc: wake device while reading firmware status
mei: csc: support controller with separate PCI device
mei: convert PCI error to common errno
mei: trace: print return value of pci_cfg_read
mei: me: move trace into firmware status read
mei: fix idle print specifiers
mei: me: use PCI_DEVICE_DATA macro
sonypi: Convert ACPI driver to a platform one
misc: apds990x: fix all kernel-doc warnings
most: usb: Use kzalloc_objs for endpoint address array
hpet: Convert ACPI driver to a platform one
misc: vmw_vmci: Fix spelling mistakes in comments
parport: Remove completed item from to-do list
char: remove unnecessary module_init/exit functions
...
Pull spi fixes from Mark Brown:
"This is quite a big set of fixes, almost all from Johan Hovold who is
on an ongoing quest to clean up issues with probe and removal handling
in drivers.
There isn't anything too concerning here especially with the
deregistration stuff which will very rarely get run in production
systems since this is all platform devices in the SoC on embedded
hardware, but it's all real issues which should be fixed. There's more
in flight here.
We also have a few other minor fixes, one from Felix Gu along the same
lines as Johan's work and a couple of documentation things"
* tag 'spi-fix-v7.1-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (23 commits)
spi: fix controller cleanup() documentation
spi: fix resource leaks on device setup failure
spi: axiado: clean up probe return value
spi: axiado: rename probe error labels
spi: axiado: fix runtime pm imbalance on probe failure
spi: orion: clean up probe return value
spi: orion: fix clock imbalance on registration failure
spi: orion: fix runtime pm leak on unbind
spi: imx: fix runtime pm leak on probe deferral
spi: mpc52xx: fix use-after-free on registration failure
spi: Fix the error description in the `ptp_sts_word_post` comment
spi: topcliff-pch: fix use-after-free on unbind
spi: topcliff-pch: fix controller deregistration
spi: orion: fix controller deregistration
spi: mxic: fix controller deregistration
spi: mpc52xx: fix use-after-free on unbind
spi: mpc52xx: fix controller deregistration
spi: cadence-quadspi: fix controller deregistration
spi: cadence: fix controller deregistration
spi: mtk-snfi: fix memory leak in probe
...
Pull regulator fix from Mark Brown:
"Just one trivial cleanup of the user visible prompts in Kconfig here,
standardising how we describe Qualcomm"
* tag 'regulator-fix-v7.1-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: qcom: Unify user-visible "Qualcomm" name
Pull regmap fixes from Mark Brown:
"There's couple of patches here that came in since my pull request:
- What is effectively a quirk for shoehorning support for a wider
range of I2C regmaps on weirdly restricted SMBus controllers
- One minor fix for a memory leak on in error handling in the dummy
driver used by the KUnit tests"
* tag 'regmap-fix-v7.1-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: ram: fix memory leaks in __regmap_init_ram() on error
regmap-i2c: add SMBus byte/word reg16 bus for adapters lacking I2C_FUNC_I2C
Pull gpio fixes from Bartosz Golaszewski:
- fix a regression in gpio-rockchip introduced on older chips during
the merge window when converting to dynamic GPIO base
- fix AST2700 debounce selector bit definitions in gpio-aspeed
* tag 'gpio-fixes-for-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: aspeed: fix AST2700 debounce selector bit definitions
gpio: rockchip: Fix GPIO regression after conversion to dynamic base allocation
Pull sound fixes from Takashi Iwai:
"Here are the rest of small updates for 7.1-rc1. All small fixes mostly
for device-specific issues or regressions.
Core:
- Fix a potential data race in fasync handling
USB-audio:
- New device support: Line6 POD HD PRO, NexiGo N930W webcam
- Fixes for Audio Advantage Micro II SPDIF switch and E-MU sample
rates
- Limit UAC2 rate parsing to prevent potential overflows
HD-Audio:
- Device-specific quirks for HP, Acer, and Honor laptops
- Fix for TAS2781 SPI device abnormal sound
- Move Intel firmware loading into probe work to avoid stalling
ASoC:
- New support for TI TAS5832
- Fixes for SoundWire SDCA/DisCo boolean parsing
- Driver-specific fixes for Intel SOF, ES8311, RT1320, and PXA2xx
Misc:
- Fixes for resource leaks and data races in 6fire, caiaq, als4000,
and pcmtest drivers"
* tag 'sound-fix-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (41 commits)
Revert "ALSA: pcmtest: fix reference leak on failed device registration"
ASoC: tas2781: Add tas5832 support
ASoC: dt-bindings: ti,tas2781: Add TAS5832 support
ALSA: usb-audio: Fix Audio Advantage Micro II SPDIF switch
ALSA: usb-audio: Avoid false E-MU sample-rate notifications
ASoC: sdw_utils: cs42l43: allow spk component names to be combined
ASoC: qcom: x1e80100: limit speaker volumes
ALSA: hda/realtek - Add mute LED support for HP Victus 15-fa2xxx
ALSA: pcmtest: Fix resource leaks in module init error paths
ALSA: usb-audio/line6: Add support for POD HD PRO
ALSA: hda/realtek: Add LED fixup for HP EliteBook 6 G2a Laptops
ASoC: SDCA: Fix reading of mipi-sdca-control-deferrable
regmap: sdw-mbq: Allow defers on undeferrable controls
Revert "ALSA: usb-audio: Add quirk for SmartlinkTechnology M01"
ALSA: als4000: Fix capture trigger chip->mode race
ALSA: core: Fix potential data race at fasync handling
ALSA: hda/tas2781: Fix sound abnormal issue on some SPI device
ALSA: hda/realtek: add quirk for Acer Nitro 16 AN16-41
ALSA: caiaq: Fix control_put() result and cache rollback
ALSA: pcmtest: fix reference leak on failed device registration
...
Pull more drm fixes from Dave Airlie:
"These are the regular fixes that have built up over last couple of
weeks, all pretty minor and spread all over.
atomic:
- raise the vblank timeout to avoid it on virtual drivers
- fix colorop duplication
bridge:
- stm_lvds: state check fix
- dw-mipi-dsi: bridge reference leak fix
panel:
- visionx-rm69299: init fix
dma-fence:
- fix sparse warning
dma-buf:
- UAF fix
panthor:
- mapping fix
arcgpu:
- device_node reference leak fix
nouveau:
- memory leak in error path fix
- overflow in reloc path for old hw fix
hv:
- Kconfig fix
v3d:
- infinite loop fix"
* tag 'drm-fixes-2026-04-24' of https://gitlab.freedesktop.org/drm/kernel:
drm/nouveau: fix u32 overflow in pushbuf reloc bounds check
MAINTAINERS: split hisilicon maintenance and add Yongbang Shi for hibmc-drm matainers
drm/v3d: Reject empty multisync extension to prevent infinite loop
drm/panel: visionox-rm69299: Make use of prepare_prev_first
drm/drm_atomic: duplicate colorop states if plane color pipeline in use
drm/nouveau: fix nvkm_device leak on aperture removal failure
hv: Select CONFIG_SYSFB only for CONFIG_HYPERV_VMBUS
dma-fence: Silence sparse warning in dma_fence_describe
drm/bridge: dw-mipi-dsi: Fix bridge leak when host attach fails
drm/arcpgu: fix device node leak
drm/panthor: Fix outdated function documentation
drm/panthor: Extend VM locked region for remap case to be a superset
dma-buf: fix UAF in dma_buf_put() tracepoint
drm/bridge: stm_lvds: Do not fail atomic_check on disabled connector
drm/atomic: Increase timeout in drm_atomic_helper_wait_for_vblanks()
Pull drm next fixes from Dave Airlie:
"This is the first of two fixes for the merge PRs, the other is based
on 7.0 branch. This mostly AMD fixes, a couple of weeks of backlog
built up and this weeks. The main complaint I've seen is some boot
warnings around the FP code handling which this should fix. Otherwise
a single rcar-du and a single i915 fix.
amdgpu:
- SMU 14 fixes
- Partition fixes
- SMUIO 15.x fix
- SR-IOV fixes
- JPEG fix
- PSP 15.x fix
- NBIF fix
- Devcoredump fixes
- DPC fix
- RAS fixes
- Aldebaran smu fix
- IP discovery fix
- SDMA 7.1 fix
- Runtime pm fix
- MES 12.1 fix
- DML2 fixes
- DCN 4.2 fixes
- YCbCr fixes
- Freesync fixes
- ISM fixes
- Overlay cursor fix
- DC FP fixes
- UserQ locking fixes
- DC idle state manager fix
- ASPM fix
- GPUVM SVM fix
- DCE 6 fix
amdkfd:
- Fix memory clear handling
- num_of_nodes bounds check fix
i915:
- Fix uninitialized variable in the alignment loop [psr]
rcar-du:
- fix NULL-ptr crash"
* tag 'drm-next-2026-04-24' of https://gitlab.freedesktop.org/drm/kernel: (75 commits)
drm/amdkfd: Add upper bound check for num_of_nodes
drm: rcar-du: Fix crash when no CMM is available
drm/amd/display: Disable 10-bit truncation and dithering on DCE 6.x
drm/amdgpu: OR init_pte_flags into invalid leaf PTE updates
drm/amd: Adjust ASPM support quirk to cover more Intel hosts
drm/amd/display: Undo accidental fix revert in amdgpu_dm_ism.c
drm/i915/psr: Init variable to avoid early exit from et alignment loop
drm/amdgpu: drop userq fence driver refs out of fence process()
drm/amdgpu/userq: unpin and unref doorbell and wptr outside mutex
drm/amdgpu/userq: use pm_runtime_resume_and_get and fix err handling
drm/amdgpu/userq: unmap_helper dont return the queue state
drm/amdgpu/userq: unmap is to be called before freeing doorbell/wptr bo
drm/amdgpu/userq: hold root bo lock in caller of input_va_validate
drm/amdgpu/userq: caller to take reserv lock for vas_list_cleanup
drm/amdgpu/userq: create_mqd does not need userq_mutex
drm/amdgpu/userq: dont lock root bo with userq_mutex held
drm/amdgpu/userq: fix kerneldoc for amdgpu_userq_ensure_ev_fence
drm/amdgpu/userq: clean the VA mapping list for failed queue creation
drm/amdgpu/userq: avoid uneccessary locking in amdgpu_userq_create
drm/amd/display: Fix ISM teardown crash from NULL dc dereference
...
Pull locking fixes from Ingo Molnar:
- Fix ww_mutex regression, which caused hangs/pauses in some DRM drivers
- Fix rtmutex proxy-rollback bug
* tag 'locking-urgent-2026-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/mutex: Fix ww_mutex wait_list operations
rtmutex: Use waiter::task instead of current in remove_waiter()
Pull x86 fixes from Ingo Molnar:
- Prevent deadlock during shstk sigreturn (Rick Edgecombe)
- Disable FRED when PTI is forced on (Dave Hansen)
- Revert a CPA INVLPGB optimization that did not properly handle
discontiguous virtual addresses (Dave Hansen)
* tag 'x86-urgent-2026-04-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Revert INVLPGB optimization for set_memory code
x86/cpu: Disable FRED when PTI is forced on
x86/shstk: Prevent deadlock during shstk sigreturn
Pull RISC-V updates from Paul Walmsley:
"There is one significant change outside arch/riscv in this pull
request: the addition of a set of KUnit tests for strlen(), strnlen(),
and strrchr().
Otherwise, the most notable changes are to add some RISC-V-specific
string function implementations, to remove XIP kernel support, to add
hardware error exception handling, and to optimize our runtime
unaligned access speed testing.
A few comments on the motivation for removing XIP support. It's been
broken in the RISC-V kernel for months. The code is not easy to
maintain. Furthermore, for XIP support to truly be useful for RISC-V,
we think that compile-time feature switches would need to be added for
many of the RISC-V ISA features and microarchitectural properties that
are currently implemented with runtime patching. No one has stepped
forward to take responsibility for that work, so many of us think it's
best to remove it until clear use cases and champions emerge.
Summary:
- Add Kunit correctness testing and microbenchmarks for strlen(),
strnlen(), and strrchr()
- Add RISC-V-specific strnlen(), strchr(), strrchr() implementations
- Add hardware error exception handling
- Clean up and optimize our unaligned access probe code
- Enable HAVE_IOREMAP_PROT to be able to use generic_access_phys()
- Remove XIP kernel support
- Warn when addresses outside the vmemmap range are passed to
vmemmap_populate()
- Update the ACPI FADT revision check to warn if it's not at least
ACPI v6.6, which is when key RISC-V-specific tables were added to
the specification
- Increase COMMAND_LINE_SIZE to 2048 to match ARM64, x86, PowerPC,
etc.
- Make kaslr_offset() a static inline function, since there's no need
for it to show up in the symbol table
- Add KASLR offset and SATP to the VMCOREINFO ELF notes to improve
kdump support
- Add Makefile cleanup rule for vdso_cfi copied source files, and add
a .gitignore for the build artifacts in that directory
- Remove some redundant ifdefs that check Kconfig macros
- Add missing SPDX license tag to the CFI selftest
- Simplify UTS_MACHINE assignment in the RISC-V Makefile
- Clarify some unclear comments and remove some superfluous comments
- Fix various English typos across the RISC-V codebase"
* tag 'riscv-for-linus-7.1-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (31 commits)
riscv: Remove support for XIP kernel
riscv: Reuse compare_unaligned_access() in check_vector_unaligned_access()
riscv: Split out compare_unaligned_access()
riscv: Reuse measure_cycles() in check_vector_unaligned_access()
riscv: Split out measure_cycles() for reuse
riscv: Clean up & optimize unaligned scalar access probe
riscv: lib: add strrchr() implementation
riscv: lib: add strchr() implementation
riscv: lib: add strnlen() implementation
lib/string_kunit: extend benchmarks to strnlen() and chr searches
lib/string_kunit: add performance benchmark for strlen()
lib/string_kunit: add correctness test for strrchr()
lib/string_kunit: add correctness test for strnlen()
lib/string_kunit: add correctness test for strlen()
riscv: vdso_cfi: Add .gitignore for build artifacts
riscv: vdso_cfi: Add clean rule for copied sources
riscv: enable HAVE_IOREMAP_PROT
riscv: mm: WARN_ON() for bad addresses in vmemmap_populate()
riscv: acpi: update FADT revision check to 6.6
riscv: add hardware error trap handler support
...
Pull LoongArch updates from Huacai Chen:
- Adjust build infrastructure for 32BIT/64BIT
- Add HIGHMEM (PKMAP and FIX_KMAP) support
- Show and handle CPU vulnerabilites correctly
- Batch the icache maintenance for jump_label
- Add more atomic instructions support for BPF JIT
- Add more features (e.g. fsession) support for BPF trampoline
- Some bug fixes and other small changes
* tag 'loongarch-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (21 commits)
selftests/bpf: Enable CAN_USE_LOAD_ACQ_STORE_REL for LoongArch
LoongArch: BPF: Add fsession support for trampolines
LoongArch: BPF: Introduce emit_store_stack_imm64() helper
LoongArch: BPF: Support up to 12 function arguments for trampoline
LoongArch: BPF: Support small struct arguments for trampoline
LoongArch: BPF: Open code and remove invoke_bpf_mod_ret()
LoongArch: BPF: Support load-acquire and store-release instructions
LoongArch: BPF: Support 8 and 16 bit read-modify-write instructions
LoongArch: BPF: Add the default case in emit_atomic() and rename it
LoongArch: Define instruction formats for AM{SWAP/ADD}.{B/H} and DBAR
LoongArch: Batch the icache maintenance for jump_label
LoongArch: Add flush_icache_all()/local_flush_icache_all()
LoongArch: Add spectre boundry for syscall dispatch table
LoongArch: Show CPU vulnerabilites correctly
LoongArch: Make arch_irq_work_has_interrupt() true only if IPI HW exist
LoongArch: Use get_random_canary() for stack canary init
LoongArch: Improve the logging of disabling KASLR
LoongArch: Align FPU register state to 32 bytes
LoongArch: Handle CONFIG_32BIT in syscall_get_arch()
LoongArch: Add HIGHMEM (PKMAP and FIX_KMAP) support
...
Pull networking deletions from Jakub Kicinski:
"Delete some obsolete networking code
Old code like amateur radio and NFC have long been a burden to core
networking developers. syzbot loves to find bugs in BKL-era code, and
noobs try to fix them.
If we want to have a fighting chance of surviving the LLM-pocalypse
this code needs to find a dedicated owner or get deleted. We've talked
about these deletions multiple times in the past and every time
someone wanted the code to stay. It is never very clear to me how many
of those people actually use the code vs are just nostalgic to see it
go. Amateur radio did have occasional users (or so I think) but most
users switched to user space implementations since its all super slow
stuff. Nobody stepped up to maintain the kernel code.
We were lucky enough to find someone who wants to help with NFC so
we're giving that a chance. Let's try to put the rest of this code
behind us"
* tag 'net-deletions' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next:
drivers: net: 8390: wd80x3: Remove this driver
drivers: net: 8390: ultra: Remove this driver
drivers: net: 8390: AX88190: Remove this driver
drivers: net: fujitsu: fmvj18x: Remove this driver
drivers: net: smsc: smc91c92: Remove this driver
drivers: net: smsc: smc9194: Remove this driver
drivers: net: amd: nmclan: Remove this driver
drivers: net: amd: lance: Remove this driver
drivers: net: 3com: 3c589: Remove this driver
drivers: net: 3com: 3c574: Remove this driver
drivers: net: 3com: 3c515: Remove this driver
drivers: net: 3com: 3c509: Remove this driver
net: packetengines: remove obsolete yellowfin driver and vendor dir
net: packetengines: remove obsolete hamachi driver
net: remove unused ATM protocols and legacy ATM device drivers
net: remove ax25 and amateur radio (hamradio) subsystem
net: remove ISDN subsystem and Bluetooth CMTP
caif: remove CAIF NETWORK LAYER
Pull slab fix from Vlastimil Babka:
- A stable fix for k(v)ealloc() where reallocating on a different node
or shrinking the object can result in either losing the original data
or a buffer overflow (Marco Elver)
* tag 'slab-for-7.1-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
slub: fix data loss and overflow in krealloc()
