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65e05ec252
1481507 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Anthony Krowiak
|
65e05ec252 |
s390/vfio-ap: fix KVM GISC and page leak when queue removed from host config
Three related problems exist in the handling of KVM interrupt and page
resources when a queue is removed from the host's AP configuration
while assigned to a mediated device (mdev).
Problem 1:
~~~~~~~~~
AP_RESPONSE_Q_NOT_AVAIL not handled in vfio_ap_mdev_reset_queue()
When the AP bus removes a queue device whose adapter or domain has
been removed from the host's AP configuration,
vfio_ap_mdev_remove_queue() is called. If the queue is still in the
host's AP configuration at that point, it calls
vfio_ap_mdev_reset_queue(), which issues a PQAP(ZAPQ). Since the
adapter is already gone from the host configuration, ap_zapq() returns
AP_RESPONSE_Q_NOT_AVAIL (0x01). This response code is not handled in
vfio_ap_mdev_reset_queue()'s switch statement and falls through to
the default case, which issues a WARN but does not call
vfio_ap_free_aqic_resources(). As a result, if IRQ handling was
enabled for the queue by the guest, the KVM GISC registration and
the pinned guest page holding the notification indicator byte (NIB)
are both leaked.
This is fixed by adding AP_RESPONSE_Q_NOT_AVAIL to the same case as
AP_RESPONSE_DECONFIGURED and AP_RESPONSE_CHECKSTOPPED in
vfio_ap_mdev_reset_queue(). Like those response codes, Q_NOT_AVAIL
indicates the queue is not operational and no further reset attempts
are possible; the correct action is to free the IRQ resources
immediately.
Problem 2:
~~~~~~~~~
AP_RESPONSE_Q_NOT_AVAIL not handled in apq_status_check()
In vfio_ap_mdev_reset_queue(), there are four cases that indicate a queue
reset has not yet completed, in which case apq_reset_check() is queued to
a work queue to verify completion of the reset operation. This function
uses the PQAP(TAPQ) function to get the queue's status and calls
apq_status_check() to verify whether the reset has completed, failed or
needs to be executed again. As described in Problem #1 above,
apq_reset_check() does not specifically check for AP_RESPONSE_Q_NOT_AVAIL,
thereby potentially leaking KVM GISC registration and the pinned guest page
holding the NIB.
This is fixed by adding a case statement for AP_RESPONSE_Q_NOT_AVAIL to
apq_status_check() and returning -ENODEV for that case. The caller,
apq_reset_check() will then check for this return code and call
vfio_ap_free_aqic_resources() to prevent the leak.
Problem 3:
~~~~~~~~~
vfio_ap_free_aqic_resources() leaks saved_isc when kvm is NULL
vfio_ap_free_aqic_resources() guards the call to
kvm_s390_gisc_unregister() with:
if (q->saved_isc != VFIO_AP_ISC_INVALID &&
!WARN_ON(!(q->matrix_mdev && q->matrix_mdev->kvm)))
If matrix_mdev->kvm is NULL -- which can happen when
vfio_ap_mdev_unset_kvm() has already run and cleared kvm before a
subsequent cleanup path reaches this function -- the WARN_ON fires
and the entire block is skipped. This leaves q->saved_isc set to a
non-invalid value, creating a potential double-free on any subsequent
call to this function.
When kvm is NULL the KVM guest is already torn down, so
kvm_s390_gisc_unregister() need not and cannot be called; however,
q->saved_isc must always be cleared. Fix this by separating the
kvm_s390_gisc_unregister() call from the q->saved_isc reset. The
WARN_ON now guards only the genuinely impossible case of matrix_mdev
being NULL. A NULL kvm is handled gracefully by skipping only the
unregister call, and q->saved_isc = VFIO_AP_ISC_INVALID is set
unconditionally whenever saved_isc was not already invalid.
Additionally, add an else clause to the host-config check in
vfio_ap_mdev_remove_queue() to call vfio_ap_free_aqic_resources()
directly when the queue is not in the host's AP configuration. This
serves as a backstop: when the AP bus fires the driver .remove
callback after an adapter is removed from the host config, the queue
is by definition no longer addressable, so vfio_ap_mdev_reset_queue()
would always return Q_NOT_AVAIL. The else clause handles this case
directly without the unnecessary ap_zapq() call, and ensures cleanup
occurs even if kvm has already been set to NULL by a prior call to
vfio_ap_mdev_unset_kvm().
Fixes:
|
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Claudio Imbrenda
|
4ca00a9154 |
KVM: s390: Fix race in _destroy_pages_crste()
Use READ_ONCE() in _destroy_pages_crste() to read the crste, avoid
dereferencing the pointer multiple times.
Fixes:
|
||
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Claudio Imbrenda
|
27554b9505 |
KVM: s390: Fix potential races in dat skey functions
When dat_cond_set_storage_key() finds a large page, it will
conditionally set the storage key in absolute memory using
large_crste_to_phys() to get the absolute address.
There is a race window between dat_entry_walk() and
large_crste_to_phys(): the large page could have been split
concurrently, and large_crste_to_phys() might be called with a crste
that does not designate a large page, leading to crashes.
Similar issues were also present in dat_set_storage_key().
dat_get_storage_key() and dat_reset_reference_bit() did instead check
for a potential concurrent splitting of the large page, but then
handled it incorrectly.
Fix by performing a READ_ONCE on the crste pointer, checking and using
the result, instead of dereferencing the pointer again. In case a race
is detacted, try dat_entry_walk() again.
Fixes:
|
||
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Claudio Imbrenda
|
f3a557067d |
KVM: s390: Add missing srcu in kvm_s390_set_irq_state()
Like kvm_s390_inject_vcpu(), kvm_s390_set_irq_state() also needs the kvm->srcu or the slots lock when performing the Store status operation. Fix by taking kvm->srcu in kvm_s390_set_irq_state(). Fixes: |
||
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Claudio Imbrenda
|
19192a4043 |
KVM: s390: Move all code into s390_kvm_mmu_prepare_memory_region()
Move all code from s390_kvm_mmu_commit_memory_region() into
s390_kvm_mmu_prepare_memory_region(). This allows the function to fail
gracefully if needed. The previous behaviour was to print a warning and
continue execution with page tables inconsistent with the memslots.
Fixes:
|
||
|
Claudio Imbrenda
|
00c0ae5e43 |
KVM: s390: Refactor dat_set_slot()
Refactor dat_set_slot(), _dat_slot_pte(), _dat_slot_crste(). Now they only take a struct kvm_s390_mmu_cache as priv. For dat_delete_slot(), mc is NULL, as no allocations should take place. This is needed as a prerequisite to move gmap DAT table setup from kvm_arch_commit_memory_region() to kvm_arch_prepare_memory_region(). Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Message-ID: <20260828115439.145885-5-imbrenda@linux.ibm.com> |
||
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Claudio Imbrenda
|
faff4c8ff3 |
KVM: s390: Fix _gaccess_shadow_fault()
In some circumstances, it is possible that the page of nested guest
memory that is being shadowed is not present at all in the parent guest
gmap. dat_entry_walk() will not find any leaf entry and return with
-ENOENT, which will erroneously be propagated all the way to userspace.
Fix by manually calling gmap_link() on the memory of the nested guest
that is being shadowed if the mapping was not already present.
Fixes:
|
||
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Claudio Imbrenda
|
ae12d2f9c1 |
KVM: s390: Fix compile warning for kvm_s390_update_cmma_dirty()
The parameter "old" should be marked as const, to prevent compile-time
warnings.
Fixes:
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Claudio Imbrenda
|
d215f014b3 |
KVM: s390: Fix dirty marking in adapter_indicators_set*()
When the indicator and/or summary bits are set in the guest, the
accessed page was only marked dirty in KVM if the access was performed
using the slow path; accesses through the new kvm_arch_set_irq_inatomic
fast inject path would not mark the page as dirty.
Fix by adding/moving the missing calls to mark_page_dirty(). Note that
for the inatomic path set_page_dirty{,_lock}() is not needed as the
page stays pinned; the unpin path correctly marks it as dirty.
Opportunistically reorder the local variables to be in reverse
Christmas tree order and refactor to use guard().
Fixes:
|
||
|
Linus Torvalds
|
786262be60 |
- Mark the mpc85xx and ThunderX EDAC drivers as orphaned due to lack of
access to hardware
- Remove the unused fake error injection interface from the EDAC debugfs
code due to potential races between logging a fake and a real hw error
- edac_mc_sysfs: Use sysfs_emit_at() for proper bounds checking
- Remove Mark Gross from maintainer entries and move him to CREDITS
- Load the AMD address translation library only on systems which can
actually make use of it (have ECC memory) instead of on every AMD Zen
system out there
- In edac_altera, detect the SoC variant using the ECC manager's
compatible string instead of the build architecture to select the
correct interrupt layout, and remove leftover architecture-specific
ifdeffery from the double-bit error handling path
- Add a new reviewer for the Xilinx EDAC drivers
- Unify address translation logic in Intel client EDAC drivers igen6 and
ie31200 along with detecting memory controller counts at boot time
instead of relying on hardcoded, platform specific numbers. Also, fix
a bunch of issues in them; work by Qiuxu Zhuo
- Add support for a new Intel processor platform Starfire which is
a derivative of Panther Lake SoCs
- The usual cleanups and fixlets all over
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Merge tag 'edac_updates_for_v7.3_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull forgotten EDAC updates from Borislav Petkov:
"Somewhat belated (and forgotten :-\) EDAC updates lineup for v7.3:
- Mark the mpc85xx and ThunderX EDAC drivers as orphaned due to lack
of access to hardware
- Remove the unused fake error injection interface from the EDAC
debugfs code due to potential races between logging a fake and a
real hw error
- edac_mc_sysfs: Use sysfs_emit_at() for proper bounds checking
- Remove Mark Gross from maintainer entries and move him to CREDITS
- Load the AMD address translation library only on systems which can
actually make use of it (have ECC memory) instead of on every AMD
Zen system out there
- In edac_altera, detect the SoC variant using the ECC manager's
compatible string instead of the build architecture to select the
correct interrupt layout, and remove leftover architecture-specific
ifdeffery from the double-bit error handling path
- Add a new reviewer for the Xilinx EDAC drivers
- Unify address translation logic in Intel client EDAC drivers igen6
and ie31200 along with detecting memory controller counts at boot
time instead of relying on hardcoded, platform specific numbers.
Also, fix a bunch of issues in them; work by Qiuxu Zhuo
- Add support for a new Intel processor platform Starfire which is a
derivative of Panther Lake SoCs
- The usual cleanups and fixlets all over"
* tag 'edac_updates_for_v7.3_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: (24 commits)
EDAC/thunderx: Orphan it
EDAC/device_sysfs: Cleanup around edac_device_ctl_poll_msec_store()
EDAC/device_sysfs: Use kstrtouint() for poll_msec to prevent truncation
EDAC/igen6: Add Intel Starfire SoCs support
EDAC/igen6: Refactor address translation logic
EDAC/igen6: Remove redundant resource configuration tables
EDAC/igen6: Detect present memory controllers at runtime
EDAC/igen6: Simplify compute die ID comments
EDAC/igen6: Remove unnecessary XOR on the zero-valued interleave bit
EDAC/igen6: Fix Raptor Lake-P logged error address
EDAC/igen6: Fix channel address decode for non-hash mode
EDAC/igen6: Fix channel selection hash
EDAC/igen6: Fix interleave boundary condition
EDAC/ie31200: Decouple DIMM width decoding from enum order
RAS/AMD/ATL: Remove conditional return with no effect
EDAC: Remove redundant dev_err()
MAINTAINERS: Add Radhey Shyam Pandey as Xilinx EDAC reviewer
EDAC/altera: Remove remaining CONFIG_64BIT ifdefs in the DB-error path
EDAC/altera: Use ECC manager compatible to select A10/S10 IRQ layout
RAS/AMD/ATL, EDAC/amd64: Only load ATL when needed
...
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||
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Borislav Petkov (AMD)
|
68c90773f4 |
Merge remote-tracking branches 'ras/edac-misc', 'ras/edac-drivers' and 'ras/edac-amd-atl' into edac-updates
* ras/edac-misc: EDAC/thunderx: Orphan it EDAC/device_sysfs: Cleanup around edac_device_ctl_poll_msec_store() EDAC/device_sysfs: Use kstrtouint() for poll_msec to prevent truncation MAINTAINERS: Add Radhey Shyam Pandey as Xilinx EDAC reviewer MAINTAINERS: Remove Mark Gross from relevant entries EDAC/sysfs: Use sysfs_emit_at() in dimmdev_location_show() EDAC/mpc85xx: Orphan it * ras/edac-drivers: EDAC/igen6: Add Intel Starfire SoCs support EDAC/igen6: Refactor address translation logic EDAC/igen6: Remove redundant resource configuration tables EDAC/igen6: Detect present memory controllers at runtime EDAC/igen6: Simplify compute die ID comments EDAC/igen6: Remove unnecessary XOR on the zero-valued interleave bit EDAC/igen6: Fix Raptor Lake-P logged error address EDAC/igen6: Fix channel address decode for non-hash mode EDAC/igen6: Fix channel selection hash EDAC/igen6: Fix interleave boundary condition EDAC/ie31200: Decouple DIMM width decoding from enum order EDAC: Remove redundant dev_err() EDAC/altera: Remove remaining CONFIG_64BIT ifdefs in the DB-error path EDAC/altera: Use ECC manager compatible to select A10/S10 IRQ layout * ras/edac-amd-atl: RAS/AMD/ATL: Remove conditional return with no effect RAS/AMD/ATL, EDAC/amd64: Only load ATL when needed EDAC/debugfs: Remove the fake_inject debugfs interface Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> |
||
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Linus Torvalds
|
abdf623ddb |
workqueue: Fixes for v7.3-rc1
- An unbound worker pool could be freed while still reachable through the pending-activation list, leading to a use-after-free. Unlink before dropping the reference. - On PREEMPT_RT, the BH workqueue kick raised softirqs from preemptible context, tripping a lockdep assertion and possibly losing concurrently raised softirq bits. - Draining BH work off a dead CPU nests two pools' callback locks, which lockdep misreported as recursive locking. The nesting cannot deadlock. Annotate it. - Reject watchdog thresholds that overflow the conversion to jiffies. - Make the drgn workqueue dump script work again on kernels and vmcores from before the workqueue attrs field rename. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCapXs/Q4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGd75AP9VTI8d7dor4mn82j7J6l8Xcy8U1ePM/K5v1PqU n9lfUwD/aopS+dp/uCuqR6pLBxineFAPxNoEgxxO2bDv9OqhoAY= =fj3U -----END PGP SIGNATURE----- Merge tag 'wq-for-7.3-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue fixes from Tejun Heo: - An unbound worker pool could be freed while still reachable through the pending-activation list, leading to a use-after-free. Unlink before dropping the reference - On PREEMPT_RT, the BH workqueue kick raised softirqs from preemptible context, tripping a lockdep assertion and possibly losing concurrently raised softirq bits - Draining BH work off a dead CPU nests two pools' callback locks, which lockdep misreported as recursive locking. The nesting cannot deadlock. Annotate it - Reject watchdog thresholds that overflow the conversion to jiffies - Make the drgn workqueue dump script work again on kernels and vmcores from before the workqueue attrs field rename * tag 'wq-for-7.3-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: tools/workqueue/wq_dump.py: Support backward compatibility for wq->attrs rename workqueue: reject watchdog thresholds that overflow jiffies workqueue: Fix unbound pool lifetime for pending pwqs workqueue: Use raise_softirq() to trigger softirq in irq_work handler workqueue: Annotate cb_lock nesting when draining a dead BH pool |
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Linus Torvalds
|
c3b510de42 |
cgroup: Fixes for v7.3-rc1
- After cgroup.kill was written to a cgroup, every child cloned into it with CLONE_INTO_CGROUP was spuriously killed because the fork path snapshotted the kill counter before resolving the target cgroup. - Releasing an isolated cpuset partition dropped the isolation of CPUs isolated on the kernel command line. - Selftest and documentation fixes. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCapXm8w4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGbhtAQCfUc4oanF94uiAGzH2UAA2HIorLT4TDjuDj/oM qrqeLQEA1p2XQz56SYXhK8fG+fy+Ep3xxqS2gStmtYL20ie4lQc= =i4QU -----END PGP SIGNATURE----- Merge tag 'cgroup-for-7.3-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: - After cgroup.kill was written to a cgroup, every child cloned into it with CLONE_INTO_CGROUP was spuriously killed because the fork path snapshotted the kill counter before resolving the target cgroup - Releasing an isolated cpuset partition dropped the isolation of CPUs isolated on the kernel command line - Selftest and documentation fixes * tag 'cgroup-for-7.3-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: selftests/cgroup: test clone3() into a previously killed cgroup cgroup: fix spurious SIGKILL of CLONE_INTO_CGROUP children selftests/cgroup: Add test for preserving boot-isolated CPUs cgroup/cpuset: Preserve boot-isolated CPUs on partition release selftests/cgroup: Drop invalid boot isolation comparison docs: cgroup-v2: fix misc.events key format description selftests/cgroup: Fix cg_run_in_subcgroups ignoring arg parameter selftests/cgroup: set the test plan after the setup checks |
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Aaron Tomlin
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93e257938a |
tools/workqueue/wq_dump.py: Support backward compatibility for wq->attrs rename
Commit |
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Linus Torvalds
|
bf1079577a |
sched_ext: Fixes for v7.3-rc1
- The task ownership check in the dispatch queue move operation raced against the task exiting or moving to a different sub-scheduler, spuriously triggering scheduler aborts. Fix by moving the check under the queue lock. - The cgroup bandwidth change callback runs in a sleepable context but sleepable implementations were rejected at load time. Allow them and add a marker so userspace can detect the capability. - Sync tooling headers with the scx repo for accumulated compatibility improvements. - Example scheduler fixes: ignored timer re-arm failures and vtime credit loss on cgroup migration. - Documentation and comment fixes. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCapXcug4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGZFfAQCMdpcFMqLdaHkRMiWK+SopQ703AnnpoX9xC81t vy81mQD/QlIEZimidIS2xju3/HkHfVXX6hHxAbMy8hdclhYHlgM= =256l -----END PGP SIGNATURE----- Merge tag 'sched_ext-for-7.3-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext Pull sched_ext fixes from Tejun Heo: - The task ownership check in the dispatch queue move operation raced against the task exiting or moving to a different sub-scheduler, spuriously triggering scheduler aborts. Fix by moving the check under the queue lock - The cgroup bandwidth change callback runs in a sleepable context but sleepable implementations were rejected at load time. Allow them and add a marker so userspace can detect the capability - Sync tooling headers with the scx repo for accumulated compatibility improvements - Example scheduler fixes: ignored timer re-arm failures and vtime credit loss on cgroup migration - Documentation and comment fixes * tag 'sched_ext-for-7.3-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: sched_ext: Fix missing @slice and @vtime descriptions in finish_dispatch() kernel-doc sched_ext: Fix several comment issues sched_ext: Check bpf_timer_start return values in scx_qmap sched_ext: Fix vtime delta loss in scx_flatcg cgroup migration sched_ext: Fix timer pinning and return value in scx_central docs/sched_ext: document that cgroup CPU knobs are scheduler-dependent sched_ext: Fix spurious aborts in scx_bpf_dsq_move() on ownership change races sched_ext: Sync common and compat headers from the scx repo sched_ext: Sync tools autogen enum headers from the scx repo Docs/admin-guide/cgroup-v2: document BPF scheduler callbacks for cpu.max and cpu.idle sched_ext: Fix nonexistent field in sched-ext.rst example sched_ext: Allow ops.cgroup_set_bandwidth() to be sleepable |
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Linus Torvalds
|
a7f25dc23f |
xfs: fixes for 7.3-rc2
Signed-off-by: Carlos Maiolino <cem@kernel.org> -----BEGIN PGP SIGNATURE----- iJUEABMJAB0WIQSmtYVZ/MfVMGUq1GNcsMJ8RxYuYwUCapUNuQAKCRBcsMJ8RxYu Y/QVAX9SDXNSP3dw04wAuYgwSH5Ftm+WAnwusAsSvJkQdTvU0nEpAHyjb6WokS5a EbOGy5UBfRyqJFOmOw6wF5Ax0Aoxrt+lN8CuoDoh6aEhtYlh0jvd50ustYX8QSas W2R9B6IFIw== =JWP4 -----END PGP SIGNATURE----- Merge tag 'xfs-fixes-7.3-rc2' of gitolite.kernel.org:/pub/scm/fs/xfs/xfs-linux Pull xfs fixes from Carlos Maiolino: "This contains a few fixes for the zoned storage support, a possible deadlock vector fix, some code refactoring patches and a quota evasion fix on XFS while exporting it via NFS. Please note that for the quota evasion fix, a couple patches for the capability subsystem are included in the pull request. Those have been ack'ed by the respective maintainer which also agreed to have them going through the xfs tree. This also includes a patch for the quota subsystem to stop issuing audit messages during quota enforcing. Quota maintainer also ack'ed and agreed with this going through xfs tree" * tag 'xfs-fixes-7.3-rc2' of gitolite.kernel.org:/pub/scm/fs/xfs/xfs-linux: capability: unexport has_capability_noaudit xfs: replace ns_capable_noaudit quota: Don't issue audit messages on quota enforcing capability: Add new capable_noaudit xfs: fix capability check in xfs xfs: restore bi_bdev in xfs_zone_gc_write_chunk xfs: split ioend handling into a separate source file xfs: factor out a xfs_iomap_set_anon_write helper xfs: fix zoned write iomap flags assignments xfs: fix racy open zone caching xfs: handle NULL open_zone for merged ioends in xfs_ioend_put_open_zones xfs: use inode_init_always_gfp with __GFP_NOFAIL in xfs_inode_alloc xfs: remove kmem_to_page() xfs: don't flush and invalidate internal RT device twice in xfs_shutdown_devices xfs: split an assert in xfs_trans_log_buf xfs: don't hold buffer locks across sync transaction commit in xfs_sync_sb_buf |
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Jiacheng Xu
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068c35b5d0 |
workqueue: reject watchdog thresholds that overflow jiffies
The watchdog threshold is supplied in seconds but is multiplied by HZ
before being used as a jiffies interval. Reject values that exceed
MAX_JIFFY_OFFSET / HZ so the multiplication cannot wrap and the
time_after() comparisons remain within their supported range.
The check is performed before changing the threshold or watchdog timer.
Zero remains the value used to disable the watchdog.
Fixes:
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Liang Luo
|
068e5a0bc5 |
sched_ext: Fix missing @slice and @vtime descriptions in finish_dispatch() kernel-doc
Commit
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Wanwu Li
|
4881a13521 |
sched_ext: Fix several comment issues
Fix several comment issues found during review: __setschduler_prio() -> __setscheduler_class() scx_iter_scx_dsq_new() -> bpf_iter_scx_dsq_new() scx_next_task_scx() -> set_next_task_scx() Signed-off-by: Wanwu Li <liwanwu@kylinos.cn> Signed-off-by: Tejun Heo <tj@kernel.org> |
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Wanwu Li
|
84590dbb9f |
sched_ext: Check bpf_timer_start return values in scx_qmap
monitor_timerfn(), lowpri_timerfn() and round_robin_timerfn() ignore bpf_timer_start()'s return value: a failed re-arm silently stops the periodic heartbeat, starving every task parked in LOWPRI_DSQ (lowpri) or freezing cid rotation (round-robin). Check the returns and raise scx_bpf_error(), matching the init paths. Signed-off-by: Wanwu Li <liwanwu@kylinos.cn> Signed-off-by: Tejun Heo <tj@kernel.org> |
||
|
Wanwu Li
|
b6ee92d7f7 |
sched_ext: Fix vtime delta loss in scx_flatcg cgroup migration
fcg_cgroup_move() lost the signed vtime offset across cgroup
migration in the mechanical conversion to time helpers:
time_delta() clamps negative deltas to 0, so a queued task (whose
dsq_vtime is normally behind the source frontier) loses its
accumulated vtime credit and lands exactly at the destination
frontier instead of keeping its relative position. Restore the
wrapping signed subtraction.
Fixes:
|
||
|
Wanwu Li
|
2376135986 |
sched_ext: Fix timer pinning and return value in scx_central
central_timerfn() re-arms the timer with a hardcoded
BPF_F_TIMER_CPU_PIN flag and ignores the return value, defeating
start_central_timer()'s -EINVAL fallback for kernels without the flag
(<6.7): on such kernels the first tick kills the timer permanently
with no diagnostic. Honor timer_pinned and check the return like
the initial arm does.
Fixes:
|
||
|
Etienne Perot
|
3f4b7d1a49 |
selftests/cgroup: test clone3() into a previously killed cgroup
Once cgroup.kill had been written to a cgroup, a stale kill_seq snapshot (taken in cgroup_css_set_fork() before the target cgroup was resolved) caused every child subsequently cloned into that cgroup with clone3(CLONE_INTO_CGROUP) to be SIGKILLed on the spot. Add a regression test: create a cgroup, kill it while it is empty, then clone a child into it and check that the child runs and exits cleanly. On a kernel without the fix, the test fails: not ok 4 test_cgkill_clone_into_killed The test is skipped on kernels without clone3() or without CLONE_INTO_CGROUP. Cc: Shakeel Butt <shakeel.butt@linux.dev> Assisted-by: LLM Signed-off-by: Etienne Perot <eperot@google.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
||
|
Etienne Perot
|
8e35992021 |
cgroup: fix spurious SIGKILL of CLONE_INTO_CGROUP children
Since commit |
||
|
Linus Torvalds
|
cee9395acd | Linux 7.3-rc1 | ||
|
Linus Torvalds
|
78bb208b99 |
i2c-fixes for v7.3-rc1
Fixes mainly for teardown and resource handling, runtime PM and hardware-specific controller issues. - core: fix debugfs use-after-free when removing the adapter - designware: apply interrupt mask quirk for HJMC3001 - imx-lpi2c: avoid target accesses on master-only controllers - mux: release channel node when adapter registration fails - qcom-cci: fix autosuspend and runtime PM cleanup on removal - qcom-geni: fix timing parameters for 32 MHz clock -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQScDfrjQa34uOld1VLaeAVmJtMtbgUCapRFYgAKCRDaeAVmJtMt bpVsAQDz0v5x5AdiZQS224oErSA6vfd7ztavFkh8gg3tR+PgogEAhhV+xChRle4U DTwvfC2DYuzxJxYpuQbMGdvu39cuTgA= =t/+3 -----END PGP SIGNATURE----- Merge tag 'i2c-fixes-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux Pull i2c fixes from Andi Shyti: "Fixes mainly for teardown and resource handling, runtime PM and hardware-specific controller issues: - fix debugfs use-after-free when removing the adapter - designware: apply interrupt mask quirk for HJMC3001 - imx-lpi2c: avoid target accesses on master-only controllers - mux: release channel node when adapter registration fails - qcom-cci: fix autosuspend and runtime PM cleanup on removal - qcom-geni: fix timing parameters for 32 MHz clock" * tag 'i2c-fixes-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux: i2c: core: fix debugfs UAF on adapter removal i2c: imx-lpi2c: avoid accessing target registers on master-only controllers i2c: qcom-cci: fix autosuspend cleanup i2c: designware: Enable interrupt mask workaround for HJMC3001 i2c: qcom-geni: update frequency table to fix timing parameters i2c: mux: Fix channel node leak on adapter add failure |
||
|
Linus Torvalds
|
eea8bdcb59 |
Coccinelle patches for Linux v7.3
Sang-Heon Jeon <ekffu200098@gmail.com> has cleaned up a number of the semantic patches in the scripts/coccinelle directory, particularly with respect to functions that no longer exist in the kernel. He and I have also done some reorganizations that improve performance. I eliminatd some false positives. 相浦彰 / AIURA，AKIRA <akira.aiura.bj@hitachi.com> fixed an out of date URL. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEnGZC8gbRfLXdcpA0F+92B3f5RZ0FAmqUJzoACgkQF+92B3f5 RZ1ZKA//XmJPmm4VapiaWb3Kd9R11JXEqUrkDMkexkwpa+844xC6XfUKsAJTsxff 18UksaPH+GQyLInWtu271uPDL+3X/yXbSU0iQA675XVQsG9Bz9MJ3R7tDcmFiJR9 Oflm7VwlG0QFVk1HVJRtY5+kfZ5ob54CZ82QltHCRIrPKQJ9JWqS8ffnNggLQu91 D079YK9gL/SqTXsWSUg+oU/TN5zILAZ0XDAdqN5THuMtq3ADurlKoPFeGHTiXdDs rFlmbu3XX40aL06qun6B4WLD/86fpvaVQ9NwqJnTEoTA4GNwENY/wYY9GJdsWa7h N7bTB7R8g441orRx0CeGyFBJkNocg4V5ImT42aGtsxfgIxDvFPxcfVg3TnCSbO8/ SYvvnzaIzdYkx41IIIHPLZHNbW96kbT8rI5s3DrkUoKvMePnCtrV/6bR1QFBHdiw I5/q4yhFjwvRh5ffiU5McqlYcM4NK1s3lHD+fk6oKf8XOgPzo6b1nBFky+P4Whw+ Sy/uBM2TrafRlvRrctz0EdhKSQede/Q7OVFcJKOvUUwnYKRqmrM5qPIQvDg6s4zZ 7NQWK7SsfWFKFUd1mljqN9Pe//fLIxfHKqyQwWtoPJwPmVaKSUTF/UDHu5HR4VVn wd4MxZj1ck3Dv/mtvAcJNxKw3+imD+284wPkpsrityMDpdYRHoc= =AgiL -----END PGP SIGNATURE----- Merge tag 'cocci-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux Pull Coccinelle updates from Julia Lawall: - Clean up a number of the semantic patches in the scripts/coccinelle directory, particularly with respect to functions that no longer exist in the kernel (Sang-Heon Jeon) He and I have also done some reorganizations that improve performance. - Eliminate some false positives (me) - Fix an out of date URL (相浦彰) * tag 'cocci-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux: coccinelle: ifnulldev_put: update error message coccinelle: ifnulldev_put: update outdated helper names coccinelle: atomic_as_refcounter: drop atomic_long_dec_and_lock coccinelle: kfree_mismatch: drop vmalloc_exec coccinelle: pool_zalloc-simple: drop the pci_pool_alloc rules coccinelle: zalloc-simple: drop the kmem_alloc rules coccinelle: alloc_cast: drop removed allocators coccinelle: remove obsolete pci_free_consistent.cocci scripts: coccinelle: devm_free: reduce false positives coccinelle: misc: struct_size: drop unneeded parentheses coccinelle: mini_lock: improve performance when searching loops coccinelle: api: check for macro context coccinelle: update Coccinelle website URL coccinelle: misc: minmax: avoid unhelpful isomorphisms coccinelle: misc: minmax: check for the presence of if cases coccinelle: misc: minmax: drop unneeded parentheses coccinelle: misc: minmax: improve performance when no candidate exists coccinelle: double_lock: improve performance when no double lock exists |
||
|
Darrick J. Wong
|
cbb4c6d9af |
CREDITS/mailmap: add some info about Darrick J. Wong
Add myself to CREDITS because apparently I've never done that; and update mailmap so that all my old email addresses get remapped to the kernel.org redirector. Signed-off-by: "Darrick J. Wong" <djwong@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
a23cbb0574 |
- Fix UM build regression caused by the removal of the UM
specific timex.h header. (Thomas Weißschuh) Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmqTmUsRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1iFihAAtSFpL6WKwu+eTTdTn/J41OCx6SWMw79O GRXfHX7HKVS52IhEnh3OWDVcMAqhNXe8oP/JwzBn4EuCv2LrsuBxpiTp6Bq4Y0Da Ws16Nb0CRH966L9E6z0kMZQBMsKrLGXGOE+/t9gzHpkTBzJ4a7Dzh1TZX2YudhRO lrnS+7azTb5XyshyMDo0C43AH6rUpt1ffYUz0MyACkbWPzQge42O3neN/2gKMDjq TM128Man3V4AX6K/9hC4vnvDNYdHsUqxHhc81826wVX7brF74uoYSiogn/AZK7RY CK9GQmAv7xo7AJTqe9AKt5dCy/cvVLp4vLqVYMQMGaFB05PF+1EMY69xrAkWnS4k 1cYnU0hCHN/86XOShe1s0101UPD6ZxYo/WlU53VGRJMNi7Dm5OMFFOGzAK9WfTIB 4UyOwuzq/505aA8dr5+Hk5PYikDvDXOA/zmqewAMonDrlTWhPBxWV6k+Dhks8WOt MIgjoX8wFlA7h0SUQH12XN/pxEBTgNl4P4k8YyHqVwOKN/XPZJ6XPGt2nIc8hnVc m3wHxP27x/68Ugpz1a8oADkC6lhDFgTE5XO6mmpfHKaVp/Fwdjrg8atwltHbixiV 4mo5ZlcI759lN40EBJM4QbGRP8k5TjRGgkUnv7B2qpBBgAvPnCnlMZo0871J6VVz 0CeKb6kxT+k= =eGi8 -----END PGP SIGNATURE----- Merge tag 'timers-urgent-2026-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Ingo Molnar: - Fix UM build regression caused by the removal of the UM specific timex.h header (Thomas Weißschuh) * tag 'timers-urgent-2026-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: um: Use asm-generic/timex.h over the host architecture one |
||
|
Linus Torvalds
|
637836563d |
- Revert a commit to spinlock cleanup guards that got caught up
in the subtle limitations & fragility of guards (again...) and
caused a regression (Peter Zijlstra)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2026-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Ingo Molnar:
- Revert a commit to spinlock cleanup guards that got caught up
in the subtle limitations & fragility of guards (again...) and
caused a regression (Peter Zijlstra)
* tag 'locking-urgent-2026-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking: Revert switching guards to _irq_{disable,enable}()
|
||
|
Linus Torvalds
|
f59c074e76 |
Rust fixes for v7.3
Toolchain and infrastructure:
- Fix KCFI failures, such as in Rust doctests, by disabling function
merging when CFI is enabled. Gary reported the LLVM bug to upstream
and it is now fixed in their mainline.
- Fix 'objtool' fallthrough warnings under the experimental
'CONFIG_RUST_INLINE_HELPERS' by passing (for the combined Rust and
helpers code) the LLVM options needed to preserve the unreachable
traps that 'rustc' normally emits.
In addition, fix 'objtool' errors when LTO is enabled on top, by
also filtering out the LTO flags (for the combined Rust and helpers
code) so that the traps are kept in place.
- Fix 'objtool' warnings by adding one more 'noreturn' function.
- Fix 'make rusttest' target when the 'rustc-dev' component is
installed and Rust >= 1.82.0, <= 1.87.0 is used.
'kernel' crate:
- 'num' module: fix soundness issue in the 'Bounded' conversion from
'bool' by restricting the conversions to unsigned 'Bounded'.
- 'jump_label' module: fix future 'make rusttest' target failures when
'ARCH=' is set to an arch different than the host's.
- 'list' module: fix incorrect 'pop_back()' comment.
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Merge tag 'rust-fixes-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull Rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- Fix KCFI failures, such as in Rust doctests, by disabling function
merging when CFI is enabled. Gary reported the LLVM bug to upstream
and it is now fixed in their mainline.
- Fix 'objtool' fallthrough warnings under the experimental
'CONFIG_RUST_INLINE_HELPERS' by passing (for the combined Rust and
helpers code) the LLVM options needed to preserve the unreachable
traps that 'rustc' normally emits.
In addition, fix 'objtool' errors when LTO is enabled on top, by
also filtering out the LTO flags (for the combined Rust and helpers
code) so that the traps are kept in place.
- Fix 'objtool' warnings by adding one more 'noreturn' function.
- Fix 'make rusttest' target when the 'rustc-dev' component is
installed and Rust >= 1.82.0, <= 1.87.0 is used.
'kernel' crate:
- 'num' module: fix soundness issue in the 'Bounded' conversion from
'bool' by restricting the conversions to unsigned 'Bounded'.
- 'jump_label' module: fix future 'make rusttest' target failures
when 'ARCH=' is set to an arch different than the host's.
- 'list' module: fix incorrect 'pop_back()' comment"
* tag 'rust-fixes-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
rust: kbuild: disambiguate `zerocopy_derive` for `rusttest`
rust: num: restrict bool conversion to unsigned Bounded
kbuild: rust: keep Rust objects out of Clang LTO with inline helpers
kbuild: rust: preserve unreachable traps with inline helpers
rust: cfi: disable function merging if CFI is enabled
rust: jump_label: skip arch-specific asm in `testlib` builds
objtool/rust: add one more `noreturn` Rust function
rust: kernel: list: fix incorrect pop_back example comment
|
||
|
Linus Torvalds
|
0fe792fa9b |
ARM updates for 7.3-rc1
- add module description for kprobes testing module
- remove references to CONFIG_CPU_ARM92x_CPU_IDLE options
- expand comment in ARM's __switch_to()
Also a number of fixes that missed 7.2:
- disable broken eBPF on RiscPC
- more BKPT fixes (guys, it's a *very* bad idea when everyone uses
the BKPT instruction for their own differing purposes.)
- another preempt-rt fix, this time for siglock / CPU timers
- fix another path where we try to send signals to processes
with interrupts disabled
- acquire mmap write lock for show_pte() with user faults
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
Pull arm updates from Russell King:
"Updates for 7.3:
- add module description for kprobes testing module
- remove references to CONFIG_CPU_ARM92x_CPU_IDLE options
- expand comment in ARM's __switch_to()
Also a number of fixes that missed 7.2:
- disable broken eBPF on RiscPC
- more BKPT fixes (guys, it's a *very* bad idea when everyone uses
the BKPT instruction for their own differing purposes)
- another preempt-rt fix, this time for siglock / CPU timers
- fix another path where we try to send signals to processes with
interrupts disabled
- acquire mmap write lock for show_pte() with user faults"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
ARM: 9480/1: entry: expand comment in __switch_to
ARM: 9478/1: Remove references to removed CONFIG_CPU_ARM92x_CPU_IDLE options
ARM: 9485/1: mm: acquire mmap write lock around show_pte() for user faults
ARM: 9484/1: enable interrupts when unhandled user faults are triggered
ARM: 9483/1: select HAVE_POSIX_CPU_TIMERS_TASK_WORK
ARM: 9481/2: breakpoint: CFI breakpoints only on demand
ARM: 9477/1: Disable broken eBPF JIT on the Risc PC
ARM: 9473/1: kprobes: test: add MODULE_DESCRIPTION
|
||
|
Linus Torvalds
|
fb5b59a6a6 |
OpenRISC 7.3 updates
One small item and one bug fix.
* The bug fix is to fix an unchecked access in our or1k_atomic syscall,
I am debating if we should just deprecate this as there is minimal
need for it.
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Merge tag 'for-linus' of https://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
"One small trivial macro cleanup and one bug fix.
The bug fix is to fix an unchecked access in our or1k_atomic syscall,
I am debating if we should just deprecate this as there is minimal
need for it"
* tag 'for-linus' of https://github.com/openrisc/linux:
openrisc: fix arbitrary kernel memory access via or1k_atomic syscall
openrisc: drop unneeded semicolon
|
||
|
Linus Torvalds
|
034dd340b0 |
tracing fixes for v7.3:
- Fix error output of boot instance creation failure Currently if a boot instance creation fails, instead of printing out the name of the instance that failed, it prints "(null)". That is because it prints "cur_str" that had already been processed by strsep(). Print the saved name instead. While at it, print the error code of the failure. - Fix use-after-free for same named historgrams Histograms can be named so that they can be used in multiple events. But if the named histogram has a variable attached, the second event that uses the named histogram which duplicates it and needs to free the original after duplication leaves the old variable in place and still visible. If another histogram uses than variable, it will use the stale one which will try to reference the freed duplicate histogram and crash the kernel. Free the duplicate variables along with the duplicated histogram data. - Check return value of kthread_run() in event self test The events self tests uses a kthread for testing but does not check if it succeeded in creating a kthread. If the kthread creation were to fail, the code will still try to call kthread_stop() on the error returned. - Fix race between reading trace_pipe and updating subbuffer size If a user is reading the trace_pipe file at the same time they update the ring buffer sub-buffer size, can cause the trace_pipe read to read stale data. Add trace_access_lock() around updating the ring buffer sub-buffer size. - Fix eventfs_inode on failure path in creation of the events directory In the creation of the "events" directory, if after allocating the eventfs_inode a failure is detected, it calls cleanup_ei() which calls free_ei(). The free_ei() will test if eventfs_inode being freed has no children. It is a bug if it does. But on the failure case of the creation of the "events" directory, the children lists have not yet been initialized and the free will trigger a warning because list_empty() on an uninitialized list returns false. Move the initialization into init_ei() where it makes more sense and makes sure that a created eventfs_inode has its lists initialized upon creation. - Check return value of kthread_run() in ftrace direct sample code The sample code that shows how to use the ftrace direct calls does not test the return of kthread_run() to see if it succeeds. Return a failure if the kthread_run() doesn't succeed. - Clear user events state on fork in case of alloc failure On fork, the child gets a pointer to the parent's user events state. It makes a copy of it then updates the child's pointer to it. But if the allocation fails, the duplication function leaves the child with a pointer to its parent's descriptor. When the child cleans up its data, it will free the parent's descriptor while the parent is still using it. In the duplication function, set the child's user_event_mm to NULL before testing if the allocation succeeded, and when it exits it will not free the parent's descriptor. - Fix retry exhaustion in simple ring buffer reader swap simple_ring_buffer_swap_reader_page() starts with retry set to 8 and post-decrements it only after a failed link replacement. On the final attempt, a successful replacement leaves retry at zero, while a failed replacement leaves it at -1. But the check for success expects the retry value to be non-zero and exits with an error on zero. This is the opposite result. Fix it. - Fail nicely when the remote swap_reader_page() returns an error Currently, if the swap_reader_page() of a remote buffer fails, it triggers a WARN_ON_ONCE() and continues normally. Instead, have it exit with an error and a pr_warn() print instead of a full WARNING. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCapOC3hQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qvjkAQCGVuyK980rwiBnfenWLpeB3QjfHA8B mV0mJSlGWm1t1gEA9WWzMGbp+OHeRV2xyA+xW7OS1S58VO9OIGrzXCGqbAM= =TrF5 -----END PGP SIGNATURE----- Merge tag 'trace-v7.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing fixes from Steven Rostedt: - Fix error output of boot instance creation failure Currently if a boot instance creation fails, instead of printing out the name of the instance that failed, it prints "(null)". That is because it prints "cur_str" that had already been processed by strsep(). Print the saved name instead. While at it, print the error code of the failure. - Fix use-after-free for same named historgrams Histograms can be named so that they can be used in multiple events. But if the named histogram has a variable attached, the second event that uses the named histogram which duplicates it and needs to free the original after duplication leaves the old variable in place and still visible. If another histogram uses than variable, it will use the stale one which will try to reference the freed duplicate histogram and crash the kernel. Free the duplicate variables along with the duplicated histogram data. - Check return value of kthread_run() in event self test The events self tests uses a kthread for testing but does not check if it succeeded in creating a kthread. If the kthread creation were to fail, the code will still try to call kthread_stop() on the error returned. - Fix race between reading trace_pipe and updating subbuffer size If a user is reading the trace_pipe file at the same time they update the ring buffer sub-buffer size, can cause the trace_pipe read to read stale data. Add trace_access_lock() around updating the ring buffer sub-buffer size. - Fix eventfs_inode on failure path in creation of the events directory In the creation of the "events" directory, if after allocating the eventfs_inode a failure is detected, it calls cleanup_ei() which calls free_ei(). The free_ei() will test if eventfs_inode being freed has no children. It is a bug if it does. But on the failure case of the creation of the "events" directory, the children lists have not yet been initialized and the free will trigger a warning because list_empty() on an uninitialized list returns false. Move the initialization into init_ei() where it makes more sense and makes sure that a created eventfs_inode has its lists initialized upon creation. - Check return value of kthread_run() in ftrace direct sample code The sample code that shows how to use the ftrace direct calls does not test the return of kthread_run() to see if it succeeds. Return a failure if the kthread_run() doesn't succeed. - Clear user events state on fork in case of alloc failure On fork, the child gets a pointer to the parent's user events state. It makes a copy of it then updates the child's pointer to it. But if the allocation fails, the duplication function leaves the child with a pointer to its parent's descriptor. When the child cleans up its data, it will free the parent's descriptor while the parent is still using it. In the duplication function, set the child's user_event_mm to NULL before testing if the allocation succeeded, and when it exits it will not free the parent's descriptor. - Fix retry exhaustion in simple ring buffer reader swap simple_ring_buffer_swap_reader_page() starts with retry set to 8 and post-decrements it only after a failed link replacement. On the final attempt, a successful replacement leaves retry at zero, while a failed replacement leaves it at -1. But the check for success expects the retry value to be non-zero and exits with an error on zero. This is the opposite result. Fix it. - Fail nicely when the remote swap_reader_page() returns an error Currently, if the swap_reader_page() of a remote buffer fails, it triggers a WARN_ON_ONCE() and continues normally. Instead, have it exit with an error and a pr_warn() print instead of a full WARNING. * tag 'trace-v7.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: ring-buffer: Stop remote reader update when page swap fails tracing: Fix retry exhaustion in simple ring buffer reader swap tracing/user_events: Clear copied tracing state before fork duplication samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-multi-modify samples/ftrace: Fix kthread_stop() on ERR_PTR in ftrace-direct-modify eventfs: Initialize ei->children and ei->list in init_ei() tracing: Fix use-after-free in trace_pipe read on sub-buffer order change tracing: Fix crash passing ERR_PTR to kthread_stop() tracing: Fix use-after-free with same-name named triggers tracing: Fix logged instance name on creation failure |
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Russell King (Oracle)
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1a89abc009 | Merge branches 'fixes' and 'misc' into for-linus | ||
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Julia Lawall
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ef6a1dca8d |
coccinelle: ifnulldev_put: update error message
Update the report and org mode messages to reflect the new function names. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> |
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Sang-Heon Jeon
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f83b8a5869 |
coccinelle: ifnulldev_put: update outdated helper names
dev_put_track() and dev_hold_track() were renamed to netdev_put() and
netdev_hold() by commit
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||
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Sang-Heon Jeon
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5264281879 |
coccinelle: atomic_as_refcounter: drop atomic_long_dec_and_lock
atomic_long_dec_and_lock() has never existed. So drop it from the rules. No functional change. Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> |
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Sang-Heon Jeon
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3beb6e620f |
coccinelle: kfree_mismatch: drop vmalloc_exec
vmalloc_exec() was removed by commit
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Sang-Heon Jeon
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729eb52aa1 |
coccinelle: pool_zalloc-simple: drop the pci_pool_alloc rules
pci_pool_alloc() and pci_pool_zalloc() were removed by commit
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Linus Torvalds
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08dbfad3f5 |
SCSI updates for 7.3
Remaining updates for the 7.3 merge window. The only core change is enabling context analysis for the SCSI layer and UFS. The remaining changes are either bug fixes or hardening. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEZOpW2gUwxXeCmhkh7ulgGnXF3j0FAmqTH1UACgkQ7ulgGnXF 3j2EhA//VAZ4F5A4McmtwYMnCdUCjaPihX9JC7i0GHnBqloX/Scc97xs7/Gzzf7u 5HcQjoYArPYpHkGMT+KuqEpfzRiiYe41XpiPMQf7EkW4VAwYbuwLqPn4z2ma9HIS LAmxSdi1RDU3KBo9hYm4GTsvY+FYDpmrjNcYNvR5Ajf1H3O1+2EBlA54FJ92Ct1v NuxgR8F9cY2JM9cB84qhjCd1/49NEOfAQjBA32OFGbLC/9TbF83g1pgyClmOyglD WTzmzQkIq7kmq0BKWleRUKwgj9EQmOHpe4VGdvHC4n2G8vTBscsXRMqt4l1pM/UY B7c7MfCT8Ar3EnUBO1m9QAADMj9DMqIWZ7SJRDyJL0BLabhxaxDx+yrdkN0dM4SZ n/GW5f8uNO/jxLumk0OfrUChGhKnsNTjQKDnbQZ8jLPjgaj2bx8UZg/8JglOxfaZ +vV3GGsClxjIANqY6pNwvCuXFxatG1o7HUk+JwX08DQT+k7iKkHRLM/4tpiIIwWm xLvAhrX7SJRYjISZm54bPumMscjkzSaUt6CoHqSIJ9iO5AJWBUqFQqaki+lBqF43 DgIUzdEn/OYk9PGKcpjKoeXbEkBPkogHF2YI848z0bdlgb1ae+FHzkDoYH58mDKZ wVt+kQQ3iQgwgB2x9NN+wtxlGFMh6nyPS5GpWopUJXEEvm2WygY= =tfy0 -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi Pull more SCSI updates from Martin Petersen: "Remaining updates for the 7.3 merge window. The only core change is enabling context analysis for the SCSI layer and UFS. The remaining changes are either bug fixes or hardening" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi: (26 commits) scsi: snic: Fix SCSI host leak on workqueue allocation failure scsi: MAINTAINERS: Update my email address scsi: MAINTAINERS: Leave the cumana_1 and oak drivers to the RISCPC maintainers scsi: leapraid: Standardize NCQ priority sysfs attributes scsi: leapraid: Serialize firmware log mmap with teardown scsi: leapraid: Balance host references for firmware log VMAs scsi: lpfc: Remove unnnecessary NULL check scsi: qla2xxx: Fix an loop timeout test scsi: qla2xxx: Fix an error code in qla_get_tmf() scsi: ibmvfc: Fix use of uninitialized rport in ibmvfc_do_work() scsi: core: Enable context analysis for hosts.o scsi: lpfc: Replace strlcat() with sysfs_emit_at() in the sysfs show functions scsi: lpfc: Replace strlcat() with seq_buf in the debugfs dump helpers scsi: lpfc: Replace strlcat() with seq_buf in lpfc_rx_monitor_report() scsi: lpfc: Replace strlcat() with scnprintf() in lpfc_vport_symbolic_node_name() scsi: lpfc: Replace strlcat() with seq_buf in lpfc_info() scsi: core: Enable context analysis scsi: core: Protect host state changes with the host lock scsi: core: Add lock context annotations scsi: core: Pass the SCSI host pointer directly to scanning functions ... |
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Ali Ahmet Memis
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78004e9a87 |
openrisc: fix arbitrary kernel memory access via or1k_atomic syscall
sys_or1k_atomic() (syscall 244 in the "or1k" ABI) takes two user
pointers, v1 and v2, and swaps the words they point to in hand-written
assembly.
l.lwz r29,0(r4)
l.lwz r27,0(r5)
l.sw 0(r4),r27
l.sw 0(r5),r29
The pointers are not checked with access_ok(). The four memory
accesses also have no exception table entries.
A caller passes a kernel address as either pointer, and the syscall
reads from and writes to it directly.
This gives an unprivileged process a kernel read/write primitive. It
overwrites kernel data such as the sys_call_table, gaining code
execution in kernel context.
Check both pointers before entering the critical section. Add fixups
for the four memory accesses so faults on valid but unmapped user
addresses return -EFAULT.
[shorne@gmail.com: fix comment style]
Fixes:
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Linus Torvalds
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cf72cbb39d |
io_uring-7.3-20260828
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Linus Torvalds
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a99d741df7 |
drm next/fixes for 7.3-rc1
core: - use drm_warn instead of warn msm: - Bindings: - Added Shikra support - Document a840, a704, a722 - Core: - Use drm_client buffers for fbdev emulation - teardown fixes - ARM32 DMA fixup - Remove objects from evict list when re-validated - Bunch of corner case and error path fixes - DPU: - Dropped dev_pm_opp_set_rate(0) preventing burnout - Fixed SSPP offsets of Kaanapali - DP: - Dropped dev_pm_opp_set_rate(0) preventing burnout - Cleaned up core code in preparation for MST support - Fixed prepare() to let Pipewire continue in case of the unplugged cable - GPU: - Add support for a704 - Add support for a722 - HDMI: - Simplifed register access amdgpu: - eGPU fixes - Runtime PM fix - UserQ fixes - Backlight fix - Discovery sysfs fix - Reset handling fixes - Buffer func handling fix for xgmi - VCN boundary check fix - DC lut handling fixes - MES fixes - UVD fix - VCE 3 fix - Enforce isolation fix - HPD fix for VGA/LVDS - DML fix - DCN 6 fixes - DC gpu reset fix amdkfd: - Fix return value - CU occupancy for GFX 11 - CU occupancy for GFX 12/12.1 - Queue bounds checking fix - SVM fixes - CRIU bounds checking fix radeon: - iMac display fix xe: - error message cleanups - i2c global register definitions as dependency for xe/i2c fixes - Media workardound - Add CCS to gt_idle debugfs print - Page fault related fix - i2c related fixes - System Controller mailbox bit fix -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmqR+2wACgkQDHTzWXnE hr5VPRAAhJpCnUEOUnhiBRfQB3lqHuKV4N9XQGVoaAZHYLxNkZD6I99ScpIznEr9 sHG0ViBqz2PHyM2XoJzPZDzm8Us0moVUMMdV56IH7h11l8E7Az2Sd/Ji+AQvZEBT /qh9Py0/fjibfDm0ueMROFRhuD8RA2sJqzkGMZUBvErh+zmEQvkIDkIT6A5RpHD8 B3XEGN+UCxPBzCnKNixyNDgY2i4ipFAe0MDj9+Mh0b9BM9BoV8+Eb7sjkBz+ROMH tl57Mjjd37FaYM9MgtEt9m7eOBf266V9Xb9tbIfqShwO1aZa0Vfzuih/3Ck53Nwc VkwepP7NHZZKFHIxFgcRCVjzyA3HpZJmLot8YYOyZDJOG6KKp2X0ZUFBog5Uiv8o 7exd95FLUtIsnUtmLxlermOYJwrokgcVoigcalhLCB2+KZ5/BznutzcCSvrd8vI2 LzEGnLMgzuEKeOmiWZjagID51TYwHfPogULUlwWT4XB62dKih7/uselCObj4m/Lc kRSbiXWz1pxisfiFRsK2GECwsbEb/8qOYgSOQBgppuPbSWpX+2P4IApomRBesQ8E Db+i6hptauOwT0/1ZBo8gkOfb0XIWsjg9iV6pVuUIS80hOlr7Zj1MR7mMrWgL0nM Chs4/Nq8jWU1ESbmKPBINIXCGOGuev4lJO/pBjfySLpTUhWOQcw= =wbEZ -----END PGP SIGNATURE----- Merge tag 'drm-next-2026-08-29' of https://gitlab.freedesktop.org/drm/kernel Pull more drm updates from Dave Airlie: "As mentioned last week, an msm pull request fell down the side of the couch or whatever the email equivalent of that is. This has the msm next stuff + the usual fixes for amd/intel. core: - use drm_warn instead of warn msm: - Bindings: - Added Shikra support - Document a840, a704, a722 - Core: - Use drm_client buffers for fbdev emulation - teardown fixes - ARM32 DMA fixup - Remove objects from evict list when re-validated - Bunch of corner case and error path fixes - DPU: - Dropped dev_pm_opp_set_rate(0) preventing burnout - Fixed SSPP offsets of Kaanapali - DP: - Dropped dev_pm_opp_set_rate(0) preventing burnout - Cleaned up core code in preparation for MST support - Fixed prepare() to let Pipewire continue in case of the unplugged cable - GPU: - Add support for a704 - Add support for a722 - HDMI: - Simplifed register access amdgpu: - eGPU fixes - Runtime PM fix - UserQ fixes - Backlight fix - Discovery sysfs fix - Reset handling fixes - Buffer func handling fix for xgmi - VCN boundary check fix - DC lut handling fixes - MES fixes - UVD fix - VCE 3 fix - Enforce isolation fix - HPD fix for VGA/LVDS - DML fix - DCN 6 fixes - DC gpu reset fix amdkfd: - Fix return value - CU occupancy for GFX 11 - CU occupancy for GFX 12/12.1 - Queue bounds checking fix - SVM fixes - CRIU bounds checking fix radeon: - iMac display fix xe: - error message cleanups - i2c global register definitions as dependency for xe/i2c fixes - Media workardound - Add CCS to gt_idle debugfs print - Page fault related fix - i2c related fixes - System Controller mailbox bit fix" * tag 'drm-next-2026-08-29' of https://gitlab.freedesktop.org/drm/kernel: (121 commits) drm/xe/sysctrl: Read mailbox phase bit from hardware drm/xe/i2c: Keep the i2c controller always enabled drm/xe/i2c: Fix the interrupt handling i2c: designware: Global register definitions drm/xe: Reject page faults from non-fault-mode scratch VMs drm/xe/xe_gt_idle: Add CCS to the powergating info print drm/xe: Do not apply WA 14025883347 to media 3503 drm/amd/display: fix dc_lock leak on GPU reset error paths drm/amd/display: Fix redundant GPUVMEnable checks in dcn6 flip schedule drm/amd/display: Fix wrong bytes-per-pixel value for dml2_422_packed_10 drm/amdkfd: guard against NULL restore_mqd in CRIU queue restore drm/amdgpu/userq: fix lock missing for userq fence error set drm/amdkfd: Fix the case that vm range is hole at svm_migrate_copy_to_vram drm/amdkfd: Fix error path at svm_migrate_copy_to_ram drm/amd/display: Log details when failing to register HPD IRQ drm/amd/display: Fix HPD consideration for VGA/LVDS connectors on DCE drm/amdgpu: clamp the isolation index for rings outside a partition drm/amdkfd: Reject zero-sized AQL queue allocations after size halving drm/amdgpu: Fix VCE 3 ring align_mask drm/kfd: Add CU occupancy support to GFX12.1 ... |
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Linus Torvalds
|
4cc4cc367f |
ipmi: Fix some minor issues, add async init
Several cleanup on error fixes and a missing RCU wait and proper validation on a received message in one place. The biggest change is the initialization of the driver can be done asynchronously on a work queue. That saves significant boot time. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE/Q1c5nzg9ZpmiCaGYfOMkJGb/4EFAmqR5uMACgkQYfOMkJGb /4HmSw//behOuqAjgDZ8kwxs/WCfdXz4Tz+hr/tFUkHgCMpq5XFKZVBonY5s6eEB y4Wei0JXURTt+Yex7aH7y22g5lIwaOYA8KGklnPGsHerPR9Xpr9PucNq7YjL8EN2 hfND4jHjWtIl/8Z61/D24Dq7zbzY2oNcBt2rnAboKpEQuGOrCR4imuRkVZ182XzL wtsoMwcWYhUIpCvQ87vhUJy9IyJrwHBPRe8ziUoDfxAjQdgKBCcJ2g9hDOQY910A UphBIyAaXfap5QEBhiV4bYJd3+HM0FC/G7zH5MX6+AP19253ODuN8jlq1zCKYiwx h3uEweshhTrEQJPUh5YClRPKs4h3dkRfUPEzzW5UXtoCS75Slcdtoc/A/mf7YTTB dRKaeqyJq6WboVOcLllO6EyJtk8Wrp4YwtMHXwDpi86sHtqcPPuAQMwt5uPomJDU kTvsxfGGaLV+G+pKvjfKH6iLEAPI3gNGcjMJXdH9WPqP+w7lsGDwJR3BCIOZsFoV 8oB4rzjtlkNOTo/WD8Ijo1VU5QT4yhzDC2SYhaoJCL95fMxaay5AIlbN8k3gDalE eIlTgbcyi2qyyTV4+JjjqXdCQwI9AGSoW7B0Y8mJgt5CzY0vl3A1kKa884d5tEOm auJAUgt4oXE2E5qLL5gMgqkiay8ofNNIEMhRpjY0g/yGSUnPPa0= =Nbl3 -----END PGP SIGNATURE----- Merge tag 'for-linus-7.3-1' of https://github.com/cminyard/linux-ipmi Pull ipmi updates from Corey Minyard: "Several cleanup on error fixes and a missing RCU wait and proper validation on a received message in one place. The biggest change is the initialization of the driver can be done asynchronously on a work queue. That saves significant boot time" * tag 'for-linus-7.3-1' of https://github.com/cminyard/linux-ipmi: ipmi: Fix use-after-free of cmd_rcvr in _ipmi_destroy_user() ipmi:msghandler: Cancel work cleanly on an error ipmi:si: Add async init to ipmi_si char: ipmi: use named initializers for acpi_device_id ipmi: Fix leak in __ipmi_bmc_register ipmi: Remove all sysfs files on registration failure ipmi: si: Fix NULL pointer dereference after failed registration ipmi: ipmb: validate write message length |
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Linus Torvalds
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548e7bcd0c |
A wide variety of mostly CephFS fixes and cleanups, split between
changes that address edge cases (Sam, Xiubo, Matthew), efficiency improvements (Max) and AI-assisted hardening (Michael, Jeremy). One thing that stands out is Alex's change to how CephFS behaves in NEARFULL scenarios: the long-standing "make all writes synchronous" behavior has become opt-in. It was always somewhat controversial and doesn't make much sense for modern deployments; the new default is to continue normal operation (i.e. buffer writes as MDS allows, etc). The behavior in case the cluster reaches any FULL state remains the same as before. -----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEydHwtzie9C7TfviiSn/eOAIR84sFAmqRz9QTHGlkcnlvbW92 QGdtYWlsLmNvbQAKCRBKf944AhHzi/63CACpEmwY/3lOZ4M0IQV2UJqSWzNNtUDI Hdq7hosk5gRXP/gG1bV63i935Ibe/Sp6Cb/XkTRcrPIxy/1eky8PDZN3knPlPocM TMAdLKUOzzpmehqORWdVsEGSYIXuIfVhrey30pfHVLQc86orTj7worDZydYl8r3L K6nAM8gfcT9l9Sd4jtquaT61kqCcjXKPANlvUtt8oqniMRdpL63GnFHaU33n3XTE 5Dalh4YHtIL4gTA6xZLbZqOq+99QbmmqlqlMiwFNtrfpVtPO7HWHrEy61mYrKW7U Nr7HRF6X+MeUngZVI5AgrH5K6HtlE0SeHZt2XSKuMKGMG+I4dcygUcSr =F8+z -----END PGP SIGNATURE----- Merge tag 'ceph-for-7.3-rc1' of https://github.com/ceph/ceph-client Pull ceph updates from Ilya Dryomov: "A wide variety of mostly CephFS fixes and cleanups, split between changes that address edge cases (Sam, Xiubo, Matthew), efficiency improvements (Max) and AI-assisted hardening (Michael, Jeremy). One thing that stands out is Alex's change to how CephFS behaves in NEARFULL scenarios: the long-standing "make all writes synchronous" behavior has become opt-in. It was always somewhat controversial and doesn't make much sense for modern deployments; the new default is to continue normal operation (i.e. buffer writes as MDS allows, etc). The behavior in case the cluster reaches any FULL state remains the same as before" * tag 'ceph-for-7.3-rc1' of https://github.com/ceph/ceph-client: (32 commits) ceph: force a cap message when a deferred revoke can't be acked immediately libceph: reject buckets with mismatched CRUSH ids ceph: reject export_targets ranks >= CEPH_MAX_MDS in mdsmap decode ceph: fix leaked inode reference on writeback abort at umount libceph: remove ceph_put_page_vector() libceph: validate banner payload length ceph: make nearfull sync writes opt-in ceph: do not repeat ceph_trim_dentries() if no progress possible ceph: drop mdsc->mutex before decoding the MDS reply ceph: fix UAF in check_new_map() on session freed during unlock ceph: fix UAF in __kick_flushing_caps() on cf entry freed during unlock ceph: pass inode pointer around instead of reloading it ceph: mark cap remove with RB_CLEAR_NODE() instead of setting ci=NULL ceph: add helper function ceph_cap_is_removed() ceph: make __ceph_remove_cap() static ceph: cap delegated inode count in ceph_parse_deleg_inos() ceph: bound num_export_targets array for mds info v2/v3 ceph: bound MDSCapAuth path and fs_name decode in handle_session() ceph: bound xattr value length in __build_xattrs() ceph: bound copied dentry name length in NFS export get_name ... |
||
|
Linus Torvalds
|
ce727a090b |
This pull request contains updates for UBI and UBIFS:
UBI: - Support for a per-device wear-leveling threshold - Various fixes and cleanups of error paths - Correctly preserve torture flag up wear-leveling UBIFS: - Various fixes and cleanups of error paths and kernel-doc -----BEGIN PGP SIGNATURE----- iQJmBAABCABQFiEEdgfidid8lnn52cLTZvlZhesYu8EFAmqRnEsbFIAAAAAABAAO bWFudTIsMi41KzEuMTEsMiwyFhxyaWNoYXJkQHNpZ21hLXN0YXIuYXQACgkQZvlZ hesYu8HaKhAAuU11eCVhmQk9jpIdaOnFKwokE/PIj23SRz13jc7PWmFbAIHiaVt4 0p1Xd59kPfdFqsfBo6ZgSr+f0cQu2N1MjzZYSmaklG5iJk2+IuMOIvNdve/GFzNg X86J7yxLtrCq+ULNNgGv0m89G/uYoFP27Su0rAid4D2T5gYEOisXpPw5AhAL6+bS FLRMlt0QWCAtb66FmSeDgTW042NPoSCZNOsxF35X9hQ6RxvftB8mbggmTummmlgb K9Nsuwkarterq7JhS4X+RL6aZG7yDPfHVpdCDD6Ui4W0SP59W0oSokikm1myw6Yg 9NH67jUD03s0y/z3QaNiTVPuQXz5dpUyxGzK/FCT8y2aiycCDmwWF0VG8MVMhC0j TmNiuSWAljweaPSsgF176ISRG63++zwMGtz/JclVlkUwkVKYFbpEv5lcT0EzfCqh ahBlpM2aCLgJaYExd6LSVKEu0tT3+x+2MJDnRWcZM2OPMuL65IQw5V2lbdJN78Gb XFX6bfolhneptc2JwQKJx8E72iW7zuFovprTyS/J+TNcceFbfQTTcFt9EFZaXWnh +wiWm7rL7Xp9t8MA4Sc979oKFJMkAMl3Z6WTUHJWUZicX2hK+3OQaCVNO8LO/izu nPanrTeBnRiBKuAc5skQN5ywaAD3GgG/5ERWP/tdHkdsx34pcvuPnHQ= =+fCs -----END PGP SIGNATURE----- Merge tag 'ubifs-for-linus-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs Pull UBI and UBIFS updates from Richard Weinberger: "UBI: - Support for a per-device wear-leveling threshold - Various fixes and cleanups of error paths - Correctly preserve torture flag up wear-leveling UBIFS: - Various fixes and cleanups of error paths and kernel-doc" * tag 'ubifs-for-linus-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: UBI: support per-device wear-leveling threshold UBI: fix two issues in the ubi.mtd MODULE_PARM_DESC mtd: ubi: Release device reference on busy detach ubi: Fix rollback for explicit UBI device numbers ubifs: fix out-of-bounds read in signature length check UBI: fastmap: Pass to_be_tortured when reusing old fastmap PEBs UBI: Preserve torture flag when rescheduling failed erasures ubifs: ubifs.h: clean up kernel-doc comments ubifs: key.h: use correct function parameter name ubifs: debug.h: fix kernel-doc struct prototypes |
||
|
Linus Torvalds
|
115bd364ab |
f2fs-for-7.3-rc1
In this round, key enhancements focus on reducing inode management memory
overhead, introducing resizable tail sections with unified pinned allocation,
and boosting I/O throughput via parallel multi-device flushes and asynchronous
f2fs_write_end_io() execution. We also add dynamic device alias reservations to
allow on-the-fly space donation from user partitions.
Alongside these features, critical bug fixes resolve folio race conditions,
lingering dirty flags, dentry and block counter leaks, and potential deadloops
in f2fs_fsync_node_pages(). Additional stability patches address error-path
handling across symlink, sync, and rename/unlink operations, prevent pinned file
fragmentation, and correct segment migration and free section accounting in
free_segment_range.
Enhancement:
- reduce memory footprint of ino management
- support dynamic reserve/release for device aliasing
- issue multi-device flushes in parallel
- add a way to run f2fs_write_end_io() asynchronously
- support resizable tail section and unify pinned allocation
Bug fix:
- fix to pass folio->index to f2fs_sanity_check_node_footer()
- fix folio_nr_pages() race after put in large folio invalidate
- fix to clear dirty flag on folio in error path
- accurately adjust free_sections during free_segment_range
- fix to avoid potential deadloop in f2fs_fsync_node_pages()
- fix the error path in symlink, device alias in rename/unlink,
f2fs_sync_fs,
- fix to migrate all curseg types during free_segment_range
- fix to avoid pinfile fragment on fragment:{block, segment} mode
- fix valid block count leak on data block allocation failure
- fix dentry folio leak in find_in_level
- reject overlapping move range after len expansion
- fix some bugs related to file pinning, GC functions, i_size.
And, the series includes a number of minor bug fixes.
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Merge tag 'f2fs-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, key enhancements focus on reducing inode management
memory overhead, introducing resizable tail sections with unified
pinned allocation, and boosting I/O throughput via parallel
multi-device flushes and asynchronous f2fs_write_end_io() execution.
We also add dynamic device alias reservations to allow on-the-fly
space donation from user partitions.
Alongside these features, critical bug fixes resolve folio race
conditions, lingering dirty flags, dentry and block counter leaks, and
potential deadloops in f2fs_fsync_node_pages(). Additional stability
patches address error-path handling across symlink, sync, and
rename/unlink operations, prevent pinned file fragmentation, and
correct segment migration and free section accounting in
free_segment_range.
Enhancements:
- reduce memory footprint of ino management
- support dynamic reserve/release for device aliasing
- issue multi-device flushes in parallel
- add a way to run f2fs_write_end_io() asynchronously
- support resizable tail section and unify pinned allocation
Bug fixes:
- fix to pass folio->index to f2fs_sanity_check_node_footer()
- fix folio_nr_pages() race after put in large folio invalidate
- fix to clear dirty flag on folio in error path
- accurately adjust free_sections during free_segment_range
- fix to avoid potential deadloop in f2fs_fsync_node_pages()
- fix the error path in symlink, device alias in rename/unlink,
f2fs_sync_fs
- fix to migrate all curseg types during free_segment_range
- fix to avoid pinfile fragment on fragment:{block, segment} mode
- fix valid block count leak on data block allocation failure
- fix dentry folio leak in find_in_level
- reject overlapping move range after len expansion
- fix some bugs related to file pinning, GC functions, i_size
And, the series includes a number of minor bug fixes"
* tag 'f2fs-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (51 commits)
f2fs: support resizable tail section and unify pinned allocation
f2fs: don't leave the hashed inode while it's unlinked
f2fs: accurately adjust free_sections during free_segment_range
f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()
f2fs: use adjusted write range after f2fs_write_checks()
f2fs: fix to propagate error from f2fs_sync_fs()
f2fs: return symlink writeback errors
f2fs: fix error handling on device alias check in rename and unlink
f2fs: fix to reset all pinned status during fggc
f2fs: use f2fs_{down, up}_(read, write}_trace() for nat_tree_lock
f2fs: reduce memory footprint of ino management
f2fs: fix i_size when pinned fallocate partially fails
f2fs: fix to migrate all curseg types during free_segment_range
f2fs: avoid setting SBI_NEED_FSCK on transient resize failure
f2fs: fix to avoid pinfile fragment on fragment:{block, segment} mode
f2fs: cleanup w/ f2fs_need_rand_{blk, seg, seg_blk}
f2fs: fix to shrink gc_lock coverage in f2fs_gc_range()
f2fs: fix to reclaim space in f2fs_allocate_pinning_section()
f2fs: unify add/remove ino entry API for all ino types
f2fs: fix to zero post-EOF data when extending file size
...
|
||
|
Linus Torvalds
|
c20313e98b |
sound fixes for 7.3-rc1
A collection of various small fixes since the last PR.
Most changes are device-specific fixes, while there are a few fixes
addressing the issues reported recently by fuzzers.
Here are highlights:
* ALSA Core:
- Prevent adding invalid kcontrols to the LED layer
- Workaround for a false-positive mutex lockdep warning in rawmidi
* USB-audio:
- Relaxed the sticky mixer behavior check that caused regressions
- Fix an OOB write in Novation MIDI output
- Proper cleanup after system-resume errors
- Quirk updates for M-Audio Venom, Audient iD14 MkI, Logitech PRO X
Wireless, SMSL USB DAC, and Creative Sound Blaster Play! 3
HD-audio:
- Conexant headset plugin fixes
- Quirk additions and fixes for HP Laptop 15, Lenovo IdeaPad Slim 3,
TongFang XxAF5xxx, Lenovo Legion Pro 7, and Lenovo Yoga Pro 9
ASoC:
- DAPM: Fix off-by-one check on the second enum channel
- Tegra: Fix and sort register defaults
- AMD quirk updates for ASUS FA401EA, HP OmniBook X Flip 16,
HVY-WXX9/M1060, Alienware m18 R1, and MSI Thin A15 B7UC
- Fixes Qualcomm TDM handling
- Fix double put_device() on SoundWire
- Codec fixes for rt766, tac5xx2, rt712, tas2783, and max98926
Misc:
- Fix card leak on probe error on ice1712 driver
- Hardening for legacy aoa, mtpav and pcxhr drivers
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Merge tag 'sound-fix-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of various small fixes since the last PR. Most changes
are device-specific fixes, while there are a few fixes addressing the
issues reported recently by fuzzers.
Here are highlights:
ALSA Core:
- Prevent adding invalid kcontrols to the LED layer
- Workaround for a false-positive mutex lockdep warning in rawmidi
USB-audio:
- Relaxed the sticky mixer behavior check that caused regressions
- Fix an OOB write in Novation MIDI output
- Proper cleanup after system-resume errors
- Quirk updates for M-Audio Venom, Audient iD14 MkI, Logitech PRO X
Wireless, SMSL USB DAC, and Creative Sound Blaster Play! 3
HD-audio:
- Conexant headset plugin fixes
- Quirk additions and fixes for HP Laptop 15, Lenovo IdeaPad Slim 3,
TongFang XxAF5xxx, Lenovo Legion Pro 7, and Lenovo Yoga Pro 9
ASoC:
- DAPM: Fix off-by-one check on the second enum channel
- Tegra: Fix and sort register defaults
- AMD quirk updates for ASUS FA401EA, HP OmniBook X Flip 16,
HVY-WXX9/M1060, Alienware m18 R1, and MSI Thin A15 B7UC
- Fixes Qualcomm TDM handling
- Fix double put_device() on SoundWire
- Codec fixes for rt766, tac5xx2, rt712, tas2783, and max98926
Misc:
- Fix card leak on probe error on ice1712 driver
- Hardening for legacy aoa, mtpav and pcxhr drivers"
* tag 'sound-fix-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (53 commits)
ALSA: control: Don't add invalid kcontrols to LED layer
ASoC: amd: acp-config: change quirks to cover all ASUS FA401EA variants
ALSA: hda/conexant: Always enable the headset-mic pin on plugin
ASoC: dapm: Fix off-by-one check on the second enum channel
ASoC: amd: acp-config: force SoundWire probe on HP OmniBook X Flip 16
ASoC: amd: acp3x-es83xx: Add HVY-WXX9/M1060 DMI quirk
ASoC: amd: acp-config: Add HVY-WXX9/M1060 DMI quirk
ASoC: soc-generic-dmaengine: Fix DMA channel request warning
ALSA: rawmidi: Another workaround for false-positive mutex lockdep warning
ASoC: amd: yc: Add DMI entry for Alienware m18 R1 AMD
ASoC: amd: yc: Add DMI entry for MSI Thin A15 B7UC
ALSA: hda/realtek: Fix speaker mute LED for HP Laptop 15-fd0039nt
ALSA: usb-audio: Complete cleanup after system-resume errors
ALSA: hda/realtek: Add quirk for Lenovo IdeaPad Slim 3 15ABR8
ALSA: aoa: i2sbus: Check IRQ before requesting it
ALSA: usb-audio: Skip mixer creation on M-Audio Venom
ALSA: usb-audio: Skip reading sample rate on M-Audio Venom
ASoC: rt766: add RT766/RT767 VA1 device IDs
ALSA: hda/realtek: Add quirk for TongFang XxAF5xxx
ALSA: usb-audio: fix OOB write in snd_usbmidi_novation_output()
...
|
||
|
Linus Torvalds
|
275bc4eedf |
RTC for 7.3
Subsystem: - patchwork project is moving to kernel.org - fully initialize clk_init_data - add missing MODULE_DEVICE_TABLE() - DT bindings conversions to DT schema Drivers: - ds1307: fix WADA bit for alarms on RX8130 - rzn1: add support for RZ/T2H and RZ/N2H, many fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEBqsFVZXh8s/0O5JiY6TcMGxwOjIFAmqQtsEACgkQY6TcMGxw OjJlIhAAoIwDLpLYkKfiZ+WIEcYOQkEnU7TYGD9R01oNSlGFEUkKEd5oATm4Dmz7 DfNYEFi6oPF+GJVQyVFQVxOroaKdfG80KW1ydXQVk7oMUuqW6L/juivjncGm17r+ rzMOUaSFYOCGJkvsEqTNZBz6aBHV89pTIeuwDqeTrZvkJOUHDwcKvHh401AKnIif cylLWGu72ai8+qz/9+wBY7lVDEEnW4DsYc4JjLhpc5p7B/rtHgaiyuI57KvAOZLr QP3nO+Ffoj5D+WSuT/eebVujEj7FM8cGbQwDUqgGKfAvZg4HDqcnMwUp6j3/Z1nQ Zt3DRq760oZoW9lXZEKZEOcvGh7AY/xNwNjF5kG/vAYLuHzlsne4T50BvtijUHUP KvDN6yt3acWOnr/VTikuf84lpZEgm6lxBj2ek7uxMBkSm+L22LPXl0zIhrymiHLQ dyq/DLADmpKuJPhogRhqEcQ0xEh30R46oxR4+84rjMLW7kTjNoX52oZ+n7vDctmJ Z5Tgup65WfR3T4AKgB/DHAQYomisaAEXn+mw+QuwsIV3xrBoMaxuMVwqdN/nM6yY cu20yTZK5Ap/o0oFPDoYT9jQqmyipTvHVba0Q3XCD63qg5zGW3DU77KpbEDyIgSa g5uvWQHQMafJrhnCsTKJw8plMKxec63KWyIrDOXHFAppypZYBPA= =Br8X -----END PGP SIGNATURE----- Merge tag 'rtc-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "The RZN1 driver got a fairly comprehensive cleanup. More DT binding are converted to DT schema, leaving only 5 remaining files to convert. Subsystem: - patchwork project is moving to kernel.org - fully initialize clk_init_data - add missing MODULE_DEVICE_TABLE() - DT bindings conversions to DT schema Drivers: - ds1307: fix WADA bit for alarms on RX8130 - rzn1: add support for RZ/T2H and RZ/N2H, many fixes" * tag 'rtc-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (42 commits) MAINTAINERS: update rtc subsystem patchwork location rtc: msc313: Select by default on MSTARV7 rtc: microcrystal: Make sure clk_init_data is fully initialized rtc: philips: Make sure clk_init_data is fully initialized rtc: nct3018y: Make sure clk_init_data is fully initialized rtc: m41t80: Make sure clk_init_data is fully initialized rtc: hym8563: Make sure clk_init_data is fully initialized rtc: rzn1: Add support for Renesas RZ/T2H and RZ/N2H SoCs rtc: rzn1: Drop trailing comma from OF match table sentinel rtc: rzn1: Add OF match data to gate SUBU register access rtc: rzn1: use FIELD_PREP/FIELD_GET and GENMASK for register access rtc: rzn1: Consistently use dev_err_probe() rtc: rzn1: Use temporary variable for struct device rtc: rzn1: Dynamically calculate synchronization delay based on clock rate rtc: rzn1: Replace remove callback with devm_add_action_or_reset() rtc: rzn1: Use pm_runtime_put_sync() rtc: Kconfig: Broaden RTC_DRV_RZN1 dependency to ARCH_RENESAS rtc: rzn1: Fix malformed MODULE_AUTHOR string rtc: rzn1: Disable alarm interrupt before reprogramming alarm registers rtc: rzn1: Fix alarm range check truncation on 32-bit systems ... |