Commit Graph

1481446 Commits

Author SHA1 Message Date
Thomas Lamprecht
af8c273757 scsi: megaraid_sas: Limit NVMe request size to the PRP chain frame
megasas_make_prp_nvme() builds a command's PRP list in cmd->sg_frame, a
DMA pool buffer of instance->max_chain_frame_sz bytes, spending one
entry per NVMe page of the transfer plus one per page of the buffer for
the chain pointer. The loop runs until the transfer is described and
never checks the buffer bound.

max_hw_sectors comes straight from the MDTS the firmware reports for the
drive. On drives with a large MDTS the only thing keeping the list
inside the buffer was the block layer default of 1280 KiB, which needs
320 entries, which fit into a 4 KiB frame as that holds 512. But since
commit 9b8b84879d ("block: Increase BLK_DEF_MAX_SECTORS_CAP") that
default is 4 MiB, and such a transfer needs 1025 entries, so the list
runs a full page past the end of the frame:

  sd 1:0:1:0: [sdb] tag#630 page boundary ptr_sgl: 0x00000000ba62d13f
  BUG: unable to handle page fault for address: ff663bcb81e7c000
  #PF: supervisor write access in kernel mode
  #PF: error_code(0x0002) - not-present page
  RIP: 0010:megasas_build_and_issue_cmd_fusion+0xeaa/0x1870 [megaraid_sas]

If the page after the frame happens to be mapped, the overrun does not
fault but silently corrupts the neighbouring pool entry, which is
another in-flight command's PRP list.

Cap max_hw_sectors at what the chain frame can describe, less one page
for transfers that do not start on a page boundary and so need one entry
more. This is the megaraid_sas counterpart of commit 04631f55af
("scsi: mpt3sas: Limit NVMe request size to 2 MiB"), but derives the
limit from max_chain_frame_sz rather than hardcoding it.

Cc: stable@vger.kernel.org
Fixes: 9b8b84879d ("block: Increase BLK_DEF_MAX_SECTORS_CAP")
Reported-by: Lukasz Magiera <me@magik.net>
Closes: https://lore.kernel.org/all/GPhsSM0vkgyIrs0DIZ62qeUZX7X4RxwQXVKiuvMx-lHQVSPDxpztUyQOGS0xikqvJ-Z94hMV-dW_5KN_0CX2hsfV7kTf_t0MTf6vdAAaSEc=@magik.net/
Reported-by: Mira Limbeck <m.limbeck@proxmox.com>
Closes: https://lore.kernel.org/all/d171cc76-bf25-48ce-b482-d344669dfc24@proxmox.com/
Suggested-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/all/yq17bmzd5jr.fsf@ca-mkp.ca.oracle.com/
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Closes: https://lore.kernel.org/linux-scsi/20260827182106.535D61F000E9@smtp.kernel.org
Link: https://patch.msgid.link/20260827175743.734593-1-t.lamprecht@proxmox.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-09-02 12:13:15 -04:00
Rahul Chandelkar
4b3c5965fc scsi: bsg: Fix TOCTOU in io_uring passthrough command setup
scsi_bsg_uring_cmd() reads bsg_uring_cmd from the shared mmap'd SQE.
Userspace can change a field after we check it and before we use it.
request_len is the sharp case: it can grow past sizeof(scmd->cmnd) after
the bound check and overflow scmd->cmnd in copy_from_user().

READ_ONCE() the SQE fields we check or use into locals before use.

Fixes: 7b6d3255e7 ("scsi: bsg: add io_uring passthrough handler")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20260527105931.3950913-1-rc@rexion.ai
Signed-off-by: Rahul Chandelkar <rc@rexion.ai>
Co-developed-by: Yang Xiuwei <yangxiuwei@kylinos.cn>
Signed-off-by: Yang Xiuwei <yangxiuwei@kylinos.cn>
Link: https://patch.msgid.link/20260817080730.967879-3-yangxiuwei@kylinos.cn
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-09-02 10:36:52 -04:00
Yang Xiuwei
ece06de726 scsi: bsg: Cap io_uring sense copy to max_response_len
Completion copied scmd->sense_len to the user response buffer without
honoring max_response_len. After a valid sense, the midlayer sets
sense_len to the real length (up to SCSI_SENSE_BUFFERSIZE), so a smaller
user buffer was overrun.

Fixes: 7b6d3255e7 ("scsi: bsg: add io_uring passthrough handler")
Cc: stable@vger.kernel.org
Signed-off-by: Yang Xiuwei <yangxiuwei@kylinos.cn>
Link: https://patch.msgid.link/20260817080730.967879-2-yangxiuwei@kylinos.cn
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-09-02 10:36:52 -04:00
Ivy Lopez
e0d26fe176 scsi: mpt3sas: Avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues()
dev_to_node() can return NUMA_NO_NODE (-1) on systems without NUMA
topology information for the PCI device, such as single-socket boards
that don't expose device-to-node affinity. Passing -1 directly into
cpumask_of_node() indexes node_to_cpumask_map[-1], an out-of-bounds
array read caught by UBSAN:

  UBSAN: array-index-out-of-bounds in arch/x86/include/asm/topology.h:72:28
  index -1 is out of range for type 'cpumask *[1024]'

Fall back to cpu_online_mask when no NUMA node is available, rather than
assuming dev_to_node() always returns a valid node index.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=221294
Suggested-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Fixes: 728bbc6cbf ("scsi: mpt3sas: Affinity high iops queues IRQs to local node")
Signed-off-by: Ivy Lopez <skunkolee@gmail.com>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://patch.msgid.link/20260825190313.24013-1-skunkolee@gmail.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-09-01 22:22:23 -04:00
Laurence Oberman
139f57343b scsi: mpi3mr: Fix use-after-free on tgt_dev->starget during target device refresh/update
mpi3mr_refresh_tgtdevs() and mpi3mr_devinfochg_evt_bh() read
tgt_dev->starget and immediately pass it to starget_for_each_device()
without holding mrioc->tgtdev_lock. Every writer of this field --
mpi3mr_target_alloc(), mpi3mr_target_destroy(), mpi3mr_slave_destroy()
and mpi3mr_sdev_init() -- correctly serializes access under tgtdev_lock,
but these two read sites do not, which leaves a check-then-use window
against the SCSI core's target teardown path (scsi_remove_target(),
invoked e.g. via a concurrent host reset, sysfs "delete", or SCSI EH
device offlining running independently of the fwevt workqueue).

Sequence observed on production hardware, triggered on the
mpi3mr0_fwevt_wrkr workqueue during a SAS topology change shortly after
a controller reset:

  BUG: kernel NULL pointer dereference, address: 0000000000000058
  RIP: scsi_is_host_device+0x7/0x20
  Call Trace:
   starget_for_each_device+0x34/0x100
   mpi3mr_refresh_tgtdevs+0x152/0x1d0 [mpi3mr]
   mpi3mr_fwevt_bh+0x514/0x6c0 [mpi3mr]
   mpi3mr_fwevt_worker+0x1a/0x50 [mpi3mr]
   process_one_work+0x194/0x380
   worker_thread+0x2fe/0x410

mpi3mr_refresh_tgtdevs() reads tgt_dev->starget as non-NULL, but by the
time starget_for_each_device() dereferences it, a concurrent
mpi3mr_target_destroy() has already cleared tgt_dev->starget under
tgtdev_lock and the SCSI/device core has freed the underlying
scsi_target (and its embedded struct device). The stale pointer is then
walked by dev_to_shost() -> scsi_is_host_device(), producing the
NULL/garbage dereference above.

Fix this by taking mrioc->tgtdev_lock around every read of
tgt_dev->starget, matching the existing writer-side discipline. Since
starget_for_each_device() and mpi3mr_update_sdev() can end up doing
non-atomic work (e.g. queue_limits_commit_update()), the lock cannot be
held across the whole call, so instead pin the target's device with
get_device() while holding the lock, drop the lock, then run
starget_for_each_device() against the pinned reference and put_device()
afterwards. This closes the TOCTOU window instead of merely narrowing
it.

The same unlocked read-and-dereference pattern also exists earlier in
mpi3mr_refresh_tgtdevs()'s first removal-scan loop
(tgt_dev->starget->hostdata); fix it the same way by holding tgtdev_lock
across that check, which is cheap since it only touches plain struct
fields.

Assisted-by: Claude:Sonnet5 [Claude Code]
Signed-off-by: Laurence Oberman <loberman@redhat.com>
Acked-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Link: https://patch.msgid.link/20260831120047.14690-1-loberman@redhat.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-09-01 22:18:54 -04:00
Sujal Tuladhar
f4825922d2 scsi: target: iscsi: Reserve a terminator byte for the login payload
iscsi_target_check_login_request() rejects a login PDU whose
DataSegmentLength exceeds MAX_KEY_VALUE_PAIRS, but the test is '>' and
login->req_buf is allocated with exactly MAX_KEY_VALUE_PAIRS
bytes. Since iscsit_get_login_rx() receives payload_length + padding
bytes, where

	padding = ((-payload_length) & 3);

any payload_length from 8189 to 8192 fills the whole 8192 byte
buffer. The write stays in bounds, but no byte is left for a NUL
terminator.

The buffer is subsequently consumed as a C string. In the CHAP path
chap_check_algorithm() calls kstrdup(a_str), and extract_param() calls
strstr(in_buf, pattern) followed by strlen_semi(), none of which take a
length. convert_null_to_semi() additionally rewrites every embedded NUL
to ';', so even a payload made of well formed NUL separated key=value
records is left without a terminator. These walk past the end of the
object into adjacent slab memory. It is reachable by an unauthenticated
initiator against a portal configured for CHAP; when authentication is
not required iscsi_login_zero_tsih_s2() rewrites AuthMethod to None and
the CHAP path is never entered.

Allocate one extra byte. kzalloc() zeroes it and nothing ever writes to
it, as every writer copies to offset 0 for at most MAX_KEY_VALUE_PAIRS
bytes, so the buffer is always terminated.

Fixes: e48354ce07 ("iscsi-target: Add iSCSI fabric support for target v4.1")
Assisted-by: Claude Opus5 (custom harness)
Cc: stable@vger.kernel.org
Signed-off-by: Sujal Tuladhar <sujaltuladhar1231@gmail.com>
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-09-01 22:08:31 -04:00
Martin K. Petersen (Oracle)
35131b1d29 Merge branch '7.3/scsi-queue' into 7.3/scsi-fixes
Pull in outstanding fixes queued for 7.3.

Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-31 11:20:09 -04:00
Linus Torvalds
cee9395acd Linux 7.3-rc1 2026-08-30 13:34:40 -07:00
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
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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
2026-08-30 10:53:24 -07:00
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.
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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
2026-08-30 10:42:40 -07:00
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>
2026-08-30 10:29:08 -07:00
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>
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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
2026-08-30 10:19:11 -07:00
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}()
2026-08-30 09:57:35 -07:00
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
2026-08-30 09:47:39 -07:00
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
2026-08-30 09:43:01 -07:00
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
2026-08-30 09:26:54 -07:00
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.
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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
2026-08-30 09:22:00 -07:00
Russell King (Oracle)
1a89abc009 Merge branches 'fixes' and 'misc' into for-linus 2026-08-30 15:05:54 +01:00
Julia Lawall
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>
2026-08-30 14:36:11 +02:00
Sang-Heon Jeon
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 d62607c3fe ("net: rename reference+tracking
helpers").

So update the names.

Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
2026-08-30 14:34:22 +02:00
Sang-Heon Jeon
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>
2026-08-30 14:17:25 +02:00
Sang-Heon Jeon
3beb6e620f coccinelle: kfree_mismatch: drop vmalloc_exec
vmalloc_exec() was removed by commit 7a0e27b2a0 ("mm: remove
vmalloc_exec").

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>
2026-08-30 14:09:27 +02:00
Sang-Heon Jeon
729eb52aa1 coccinelle: pool_zalloc-simple: drop the pci_pool_alloc rules
pci_pool_alloc() and pci_pool_zalloc() were removed by commit
88dee3b0ef ("PCI: Remove unused pci_pool wrappers").

So drop the pci_pool_alloc rules.

No functional change.

Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
2026-08-30 11:19:01 +02:00
Linus Torvalds
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>
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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
  ...
2026-08-29 11:55:36 -07:00
Ali Ahmet Memis
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: 9d02a4283e ("OpenRISC: Boot code")
Cc: stable@vger.kernel.org
Signed-off-by: Ali Ahmet Memis <ali@iusegentoo.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
2026-08-29 07:32:26 +01:00
Maurizio Lombardi
d5869dae50 scsi: target: iscsi: Fix hang for aborted WRITE_PENDING commands
When a LUN_RESET aborts a WRITE command that is in the
TRANSPORT_WRITE_PENDING state, the target core sets CMD_T_ABORTED and
waits for the frontend to finish processing.

If the initiator subsequently sends the remaining dataout PDUs,
__iscsit_check_dataout_hdr() catches the payload, stops the dataout
timer if the sequence is final and finally dumps the data.  However, the
iSCSI target doesn't trigger the completion process for these aborted
commands. Because of this, the abort path hangs indefinitely in
target_put_cmd_and_wait(), leading to a deadlocked target worker thread.

Fix this by explicitly calling target_complete_cmd() when the final
dataout PDU is received for an aborted WRITE command.
target_complete_cmd() detects the CMD_T_ABORTED flag and cleanly routes
the command into target_abort_work, allowing the abort completion to
successfully unblock.

Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Link: https://patch.msgid.link/20260717143828.76291-2-mlombard@redhat.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 22:18:58 -04:00
sangram kumar yerra
c46cc9cee3 scsi: ufs: ufs-pci: Add MCQ support for Intel UFS 4.0 controllers
The Intel UFS 4.0 PCI variant (PCI ID 8086:D335) advertises MCQ support
in its capability register. However, ufshcd_alloc_mcq() also requires an
.op_runtime_config hook to locate the per-queue operation and runtime
(OPR) register blocks, which was not provided by this variant operations
table.

As a result, MCQ initialization fails and ufshcd_add_scsi_host() prints
"MCQ mode is disabled, err=%d\n" before falling back to legacy
single-doorbell (SDB) mode.

Add ufs_intel_mcq_config_resource() to initialize the MCQ configuration
base and add ufs_intel_op_runtime_config() to set up the OPR register
offsets and stride.

Wire both hooks into the variant operations table so MCQ is enabled when
supported by the hardware.

Fixes: 096cd6b7ad ("scsi: ufs: ufs-pci: Add support for Intel Nova Lake")
Signed-off-by: sangram kumar yerra <sangram.k.y@intel.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20260818112830.453402-3-sangram.k.y@intel.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 22:12:57 -04:00
sangram kumar yerra
ef675ea168 scsi: ufs: ufs-pci: Add support for Intel UFS 4.0 HS-Gear5
Reliable HS-Gear5 operation on Intel UFS 4.0 controllers requires
configuring PA_INITIAL_ADAPT before changing the power mode. Without
this setting, the link fails to train reliably at Gear5.

Add a pwr_change_notify() hook to configure the adaptation mode before
the power mode transition. Enable this only for UFS 4.0 and later
controllers by checking hba->ufs_version.

Wire the hook into the existing Meteor Lake family variant operations
table (ufs_intel_mtl_hba_vops) instead of introducing a separate table,
since the Intel UFS 4.0 PCI variant (PCI ID 8086:D335) already uses this
vops table and the hook is internally gated on UFS version >= 4.0.

Use PA_INITIAL_ADAPT when the negotiated TX power mode is FAST_MODE or
FASTAUTO_MODE. Otherwise, reset the adaptation mode to PA_NO_ADAPT,
which is the default setting.

Fixes: 096cd6b7ad ("scsi: ufs: ufs-pci: Add support for Intel Nova Lake")
Signed-off-by: sangram kumar yerra <sangram.k.y@intel.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20260818112830.453402-2-sangram.k.y@intel.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 22:12:57 -04:00
Xu Rao
11300f8dde scsi: sg: Report request-table problems when any status is set
SG_GET_REQUEST_TABLE reports per-request diagnostic state through
sg_req_info::problem. The field is meant to indicate whether there is an
error to report for a completed request.

sg_fill_request_table() currently combines masked_status, host_status
and driver_status with bitwise AND. This only reports a problem when all
three status fields are non-zero at the same time. A normal target check
condition, for example, has masked_status set while host_status and
driver_status may both be zero, so the request is incorrectly reported
as clean.

Use the same condition as sg_new_read(), which sets SG_INFO_CHECK when
any of the three status fields is non-zero.

Signed-off-by: Xu Rao <raoxu@uniontech.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/26BF67F369E2123E+20260706084443.805598-1-raoxu@uniontech.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 22:06:09 -04:00
Milan P. Gandhi
419d129f97 scsi: mpi3mr: Fix target device refcount leak in mpi3mr_sas_port_add()
mpi3mr_get_tgtdev_by_addr() increments the target device kref when it
returns a device. If a subsequent error triggers a goto out_fail after
the tgtdev reference is acquired, the reference is never released
because the out_fail path does not call mpi3mr_tgtdev_put(). This
prevents the target device structure from ever being freed.

Add a tgtdev put in the out_fail path, guarded by a NULL check since
tgtdev is only acquired for SAS_END_DEVICE types and the same cleanup
path is shared by earlier error cases where tgtdev is still NULL.

Fixes: e22bae3066 ("scsi: mpi3mr: Add expander devices to STL")
Signed-off-by: Milan P. Gandhi <mgandhi@redhat.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Link: https://patch.msgid.link/20260812103344.174247-3-mgandhi@redhat.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 21:57:18 -04:00
Milan P. Gandhi
dba9e2181c scsi: mpi3mr: Fix NULL pointer dereference in mpi3mr_sas_port_add()
sas_port_alloc_num() can return NULL on memory allocation failure. The
return value is passed directly to sas_port_add() without a NULL check,
which causes a NULL pointer dereference.

Additionally, if sas_port_add() fails, the allocated port is not freed
before jumping to out_fail, leaking the sas_port structure. Call
sas_port_free() to properly release it.

Fixes: e22bae3066 ("scsi: mpi3mr: Add expander devices to STL")
Signed-off-by: Milan P. Gandhi <mgandhi@redhat.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Link: https://patch.msgid.link/20260812103344.174247-2-mgandhi@redhat.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 21:57:18 -04:00
Nitin Rawat
b2ededcb27 scsi: ufs: ufs-qcom: Fix sequential read variance
The current devfreq downdifferential threshold of 5% causes overly
aggressive frequency downscaling, leading to performance degradation
sometimes during sequential read workloads.

Update the UFS devfreq downdifferential threshold to 65.  This widens
the hysteresis window and prevents overly aggressive downscaling,
ensuring that frequency is maintained for loads above 5% and scaling
down occurs only when utilization falls below this level, while scale-up
still triggers above the 70% threshold.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Nitin Rawat <nitin.rawat@oss.qualcomm.com>
Link: https://patch.msgid.link/20260825145203.265579-3-nitin.rawat@oss.qualcomm.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 21:55:10 -04:00
Nitin Rawat
a3756f53ba scsi: ufs: ufs-qcom: Restore HS/LS link startup mode for Qualcomm UFS controller v6.2+
The link startup mode (HS LSS - high-speed link startup, or LS LSS -
low-speed link startup) is decided in the boot stage based on the
bootconfig GPIO. This selection is carried forward through the secondary
stage bootloaders and finally to HLOS via the spare configuration
register (REG_UFS_DEBUG_SPARE_CFG).

On Qualcomm UFS controller v6.2 and later, bit 31 in the spare
configuration register indicates the high-speed link startup mode
selection, as per the Hardware Programming Guide (HPG).

The spare register value is read during host driver initialization but
gets cleared after UFS reset. Preserve the spare register value during
initialization and restore it during link startup to maintain the
bootloader-configured link startup mode.

Signed-off-by: Nitin Rawat <nitin.rawat@oss.qualcomm.com>
Tested-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Link: https://patch.msgid.link/20260825145203.265579-2-nitin.rawat@oss.qualcomm.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 21:55:10 -04:00
Muhammad Falak R Wani
9a69cc5f19 scsi: ibmvfc: Document protocol parameter of ibmvfc_alloc_target()
Commit 249313b3f7 ("scsi: ibmvfc: allocate targets based on protocol")
added a protocol parameter to ibmvfc_alloc_target() but did not describe
it in the function's kernel-doc comment, so a W=1 build warns:

  drivers/scsi/ibmvscsi/ibmvfc-core.c:4996: warning: Function parameter
  or struct member 'protocol' not described in 'ibmvfc_alloc_target'

Add the missing parameter description.

Fixes: 249313b3f7 ("scsi: ibmvfc: allocate targets based on protocol")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202608270829.lHI1FAdO-lkp@intel.com/
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Reviewed-by: Dave Marquardt <davemarq@linux.ibm.com>
Acked-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Link: https://patch.msgid.link/b073968ae020b6ae0240e91341a92f428587ebd9.1787828961.git.falakreyaz@gmail.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 21:38:26 -04:00
Muhammad Falak R Wani
9a0716348d scsi: ibmvfc: Fix kernel-doc name for ibmvfc_scsi_relogin()
Commit e0fca728a8 ("scsi: ibmvfc: delete NVMe/FC targets as well as
SCSI") renamed ibmvfc_relogin() to ibmvfc_scsi_relogin() but left the
kernel-doc comment referring to the old name, so a W=1 build warns:

  drivers/scsi/ibmvscsi/ibmvfc-core.c:1901: warning: expecting prototype
  for ibmvfc_relogin(). Prototype was for ibmvfc_scsi_relogin() instead

Update the kernel-doc comment to use the current function name.

Fixes: e0fca728a8 ("scsi: ibmvfc: delete NVMe/FC targets as well as SCSI")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202608271026.iMLmrwz4-lkp@intel.com/
Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
Reviewed-by: Dave Marquardt <davemarq@linux.ibm.com>
Acked-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Link: https://patch.msgid.link/dd866cf2321381694af027fbd726bcbd63ac3751.1787828961.git.falakreyaz@gmail.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 21:38:26 -04:00
Runyu Xiao
3f92a64545 scsi: pm8001: Use rollback index when freeing MSI-X vectors
pm8001_request_msix() unwinds previously registered handlers with
free_irq() when request_irq() fails. The rollback loop uses the failing
index i for every iteration instead of the already registered vector
index j.

That passes the wrong IRQ/dev_id pair to free_irq() and leaves the
earlier handlers installed. Use j for both pci_irq_vector() and the
matching irq_vector entry in the rollback loop.

Fixes: a76037ff34 ("scsi: pm8001: switch to pci_irq_alloc_vectors")
Cc: stable@vger.kernel.org
Assisted-by: Codex:GPT-5
Signed-off-by: Runyu Xiao <runyu.xiao@seu.edu.cn>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Link: https://patch.msgid.link/20260824113618.2239100-1-runyu.xiao@seu.edu.cn
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 21:36:18 -04:00
Linmao Li
98f0a1422e scsi: fnic: Initialize the NVMe local port info before registering
nvfnic_add_lport() declares struct nvme_fc_port_info on the stack and
fills in four of its five members, leaving dev_loss_tmo holding whatever
the stack happened to contain before the call.  The structure is then
handed to nvme_fc_register_localport().

nvfnic_add_tport(), which registers the remote port a few lines further
down, memsets its own struct nvme_fc_port_info first, so only the local
port path passes uninitialized data across the transport interface.

The NVMe/FC transport documents dev_loss_tmo as "Used only on a
remoteport" and does not read it in nvme_fc_register_localport(), so
there is no behavioural change today.  Initialize the structure anyway:
the driver must not depend on which members the transport happens to
consume, and any member added to struct nvme_fc_port_info later would
silently start out as stack garbage.

Signed-off-by: Linmao Li <lilinmao@kylinos.cn>
Tested-by: Karan Tilak Kumar <kartilak@cisco.com>
Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com>
Link: https://patch.msgid.link/20260819114242.3598034-2-lilinmao@kylinos.cn
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
2026-08-28 21:33:03 -04:00
Linus Torvalds
cf72cbb39d io_uring-7.3-20260828
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Merge tag 'io_uring-7.3-20260828' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

Pull io_uring fixes from Jens Axboe:
 "A few smaller fixes for io_uring that should go into the 7.3-rc1
  kernel, all three headed to stable as well. This contains:

   - A few fixes around cancellation and teardown for waitid

   - Cap the user size for the query interface copy-out"

* tag 'io_uring-7.3-20260828' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
  io_uring/waitid: avoid siginfo copy during ring teardown
  io_uring/waitid: honor task_work cancellation
  io_uring/query: cap user size passed to copy_struct_to_user
2026-08-28 16:51:14 -07:00
Linus Torvalds
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
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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
  ...
2026-08-28 16:37:55 -07:00
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.
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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
2026-08-28 16:32:12 -07:00
Linus Torvalds
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.
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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
  ...
2026-08-28 11:51:05 -07:00
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
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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
2026-08-28 10:59:07 -07:00
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
  ...
2026-08-28 10:48:48 -07:00
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()
  ...
2026-08-28 10:01:02 -07:00
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
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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
  ...
2026-08-28 09:53:43 -07:00
Linus Torvalds
afe0579334 Hi,
I had to think a lot how to put this into few paragraphs.  I hope this will
 makes sense to you and I'm not too confusing.
 
 The bulk of this pull request are Ross Philipson's TPM enablers for the
 Trenchboot patch series.  The commits expose TPM constants, and decouple
 and improve robustness of tpm_buf a bit in order to implement a minimal
 early TPM driver.
 
 Early boot code will call either SKINIT on AMD or GETSEC[SENTER] on Intel
 before jumping into kernel's entry point.  They re-initalize TPM PCRs but
 leave up to the early boot code measure initrd, boot_params and Trenchboot
 associated metadata.
 
 The motivation here is just that we would want in future iterations of the
 series put our full focus to the x86 part of the review, and call it a day
 as per TPM changes.  Further, even if Trenchboot turned out to be empty
 lottery the worst possible outcome for TPM driver is that things get
 cleaned up a bit.
 
 BR, Jarkko
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Merge tag 'for-next-tpm-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull TPM updates from Jarkko Sakkinen:
 "The bulk of this is Ross Philipson's TPM enablement for Trenchboot.
  That exposes TPM constants, and decouple and improve robustness of
  tpm_buf a bit in order to implement a minimal early TPM driver.

  Early boot code will call either SKINIT on AMD or GETSEC[SENTER] on
  Intel before jumping into kernel's entry point. They re-initalize TPM
  PCRs but leave up to the early boot code measure initrd, boot_params
  and Trenchboot associated metadata.

  The motivation here is just that we would want in future iterations of
  the series put our full focus to the x86 part of the review, and call
  it a day as per TPM changes. Further, even if Trenchboot turned out to
  be empty lottery the worst possible outcome for TPM driver is that
  things get cleaned up a bit"

* tag 'for-next-tpm-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  tpm-buf: Add TPM buffer support header for standalone reuse
  tpm-buf: Memory-safe allocations
  tpm-buf: Remove chip parameter from tpm_buf_append_handle()
  tpm-buf: Merge TPM_BUF_BOUNDARY_ERROR and TPM_BUF_OVERFLOW
  tpm: Remove main TPM header from TPM event log header
  tpm: Move platform specific definitions to the new PTP header
  tpm: Move TPM common base definitions to the command header
  tpm: Move TPM2 specific definitions to the command header
  tpm: Move TPM1 specific definitions to the command header
  tpm: Initial step to reorganize TPM public headers
  tpm: st33zp24: Validate locality read result
  tpm: st33zp24: Return zero on status read failure
  tpm: tpm_tis_spi: fix nodef CR50 tpm_tis_spi_resume is null
  tpm: atmel: depend on X86
  tpm: Remove redundant dev_err()
  tpm: tpm_i2c_nuvoton: disable IRQ on wait timeout
2026-08-28 09:36:27 -07:00
Linus Torvalds
9df08cdd33 This push fixes a memory allocation overrun in crypto acomp.
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Merge tag 'v7.3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto fix from Herbert Xu:
 "Fix a memory allocation overrun in crypto acomp"

* tag 'v7.3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: acomp - allocate async request context when cloning
2026-08-28 09:28:40 -07:00
Linus Torvalds
344be13211 ACPI support fix for 7.3-rc1
Revert an incomplete recent commit that may cause ACPI device
 power management to stop working.
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Merge tag 'acpi-7.3-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI support fix from Rafael Wysocki:
 "Revert an incomplete recent commit that may cause ACPI device power
  management to stop working"

* tag 'acpi-7.3-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  Revert "ACPI: scan: Defer device power initialization"
2026-08-28 09:09:01 -07:00
Linus Torvalds
9d607ae0f7 arm64 fixes for -rc1
- Fix address handling of final memory region in ptdump
 
 - Fix emulation of decrementing load/store multiple from 32-bit task
 
 - Fix SCTLR context-switching for store-only MTE mode
 
 - Fix numerous issues in MTE selftests
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "A mixture of ptdump, compat and MTE fixes that came in during the
  merge window:

   - Fix address handling of final memory region in ptdump

   - Fix emulation of decrementing load/store multiple from 32-bit task

   - Fix SCTLR context-switching for store-only MTE mode

   - Fix numerous issues in MTE selftests"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  selftests/arm64: Add MTE test config fragment
  selftests/arm64: Fix MTE prctl TAP plan
  selftests/arm64: Treat KSM merge_across_nodes as optional
  selftests/arm64: Print missing MTE TAP headers
  arm64: compat: Fix decrementing LDM/STM alignment emulation
  arm64: process: Fix context switching MTE store-only tag check
  KVM: arm64: ptdump: Flush the last region
  arm64: ptdump: Make note_page_flush() range aware
2026-08-28 09:02:04 -07:00
Linus Torvalds
72ecc30d60 Xtensa updates for v7.3
- use strnlen() to improve iss_console_write()
 - remove unused function setup_profiling_timer()
 - fix CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment
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Merge tag 'xtensa-20260828' of https://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa updates from Max Filippov:

 - use strnlen() to improve iss_console_write()

 - remove unused function setup_profiling_timer()

 - fix CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment

* tag 'xtensa-20260828' of https://github.com/jcmvbkbc/linux-xtensa:
  xtensa: remove unused setup_profiling_timer function
  xtensa: correct CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment
  tty: xtensa/iss: use strnlen to improve iss_console_write
2026-08-28 08:55:47 -07:00