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8b97b302f5
1445608 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Hyunchul Lee
|
8b97b302f5 |
ntfs: centalize $INDEX_ROOT header validation
Add a dedicated helper to perform stricter validation of $INDEX_ROOT and use it for both directory inodes and named index inodes. This keeps the root size and header geometry checks consistent across both read paths. Cc: stable@vger.kernel.org # v7.1 Tested-by: woot000 <woot000@woot000.com> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> |
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Hyunchul Lee
|
14bc34fe94 |
ntfs: validate index block header more strictly
Modify ntfs_index_block_inconsisent() to perform stricter validation of INDEX_HEADER geometry in INDX blocks, and update ntfs_lookup_inode_by_name() to use that function to validate INDX blocks. Cc: stable@vger.kernel.org # v7.1 Tested-by: woot000 <woot000@woot000.com> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> |
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DaeMyung Kang
|
c05132077d |
ntfs: avoid heap allocation for free-cluster readahead state
get_nr_free_clusters() allocates a temporary file_ra_state before it publishes the precomputed free cluster count, sets NVolFreeClusterKnown(), and wakes vol->free_waitq. If that allocation fails, the worker returns without setting the flag or waking waiters, so callers waiting for the free count can block indefinitely. The readahead state is only used synchronously while scanning the bitmap. Keep it on the stack and pass it by address to the readahead helper. This eliminates the early allocation failure path instead of adding a special case that publishes a conservative count and wakes the waitqueue. Zero-initialize the on-stack state because file_ra_state_init() only sets ra_pages and prev_pos. Apply the same treatment to __get_nr_free_mft_records(), which scans the MFT bitmap with the same short-lived readahead state. Cc: stable@vger.kernel.org # v7.1 Signed-off-by: DaeMyung Kang <charsyam@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> |
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Hyunchul Lee
|
76bc14c709 |
ntfs: skip extent mft records in writeback to prevent deadlock
This patch fixes the ABBA deadlock between extent_lock and extent
mrec_lock triggered by xfstests generic/113, that occurs since the commit
6994acf33bae ("ntfs: use base mft_no when looking up base inode for
extent record").
Path A (inode writeback):
VFS writeback
-> ntfs_write_inode()
-> __ntfs_write_inode()
-> mutex_lock(&ni->extent_lock)
-> mutex_lock(&tni->mrec_lock)
Path B (MFT folio writeback):
VFS writeback of $MFT dirty folios
-> ntfs_mft_writepages()
-> ntfs_write_mft_block()
-> ntfs_may_write_mft_record()
-> holds one extent mrec_lock from a previous iteration
-> tries to acquire another base inode extent_lock
By removing all extent_lock and extent mrec_lock acquisition from the MFT
folio writeback path, the ABBA lock ordering is eliminated:
Path A: __ntfs_write_inode(): extent_lock -> mrec_lock
Path B (removed): ntfs_write_mft_block(): mrec_lock -> extent_lock
Path B is always redundant for extent records because:
1. mark_mft_record_dirty(ext_ni) does NOT dirty the MFT folio.
It only sets NInoDirty(ext_ni) and marks the base VFS inode dirty
via __mark_inode_dirty(I_DIRTY_DATASYNC), which triggers Path A.
Therefore, normal extent modifications never create a situation where
the MFT folio is dirty and Path B is not scheduled.
2. The MFT folio only gets dirtied via ntfs_mft_mark_dirty() inside
ntfs_mft_record_alloc(). But all identified callers in attrib.c
(ntfs_attr_add, ntfs_attr_record_move_away,
ntfs_attr_make_non_resident, ntfs_attr_record_resize) follow through
with mark_mft_record_dirty(), which triggers Path A to write the
complete record.
3. ntfs_evict_big_inode() calls ntfs_commit_inode() before freeing extent
inodes, ensuring all dirty extents are flushed via Path A before the
base inode leaves the icache.
Cc: stable@vger.kernel.org # v7.1
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
|
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DaeMyung Kang
|
8f4b6e8bda |
ntfs: only alias volume $UpCase to default on exact match
load_and_init_upcase() currently aliases vol->upcase to the global default upcase whenever the shared prefix matches, and then truncates vol->upcase_len to that shorter prefix. The result is correct only by accident: upcase[] accesses in name collation are gated by upcase_len, so the prefix-equality alias produces the same fold output as keeping the volume's own shorter table. Still, prefix equality is not equality: the volume table is logically distinct from the default and should not be replaced by it unless they are byte-for-byte identical. Use memcmp() to compare the complete table in one expression and drop the now-redundant upcase_len rewrite. No user-visible change is expected for compliant volumes whose $UpCase has exactly default_upcase_len entries; shorter volume tables are no longer aliased to the default. Cc: stable@vger.kernel.org # v7.1 Signed-off-by: DaeMyung Kang <charsyam@gmail.com> Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> |
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DaeMyung Kang
|
a9523a7d3b |
ntfs: free volume-wide resources on fill_super failure
ntfs_fill_super()'s err_out_now path frees only the volume struct via
kfree(vol), leaving several vol-owned allocations behind on every mount
failure:
- vol->nls_map, loaded by ntfs_init_fs_context() via
load_nls_default() (or replaced by an explicit nls= option in
ntfs_parse_param()), is never unload_nls()'d.
- vol->volume_label, allocated by load_system_files() through
ntfs_ucstonls() once the $Volume name attribute has been parsed, is
not released by load_system_files()'s own error labels nor by the
fill_super() inline cleanup that only runs on d_make_root()
failure. Any later failure inside load_system_files() leaks it.
- vol->lcn_empty_bits_per_page was kvfree()'d in
unl_upcase_iput_tmp_ino_err_out_now without clearing the pointer,
so it could not be folded into a single common cleanup.
Because the failure paths never call ntfs_volume_free() and never reach
the d_make_root() inline cleanup block (it sits above the label and is
jumped over by the load_system_files() / kvmalloc failure gotos), these
resources accumulate per failed mount attempt with no chance of
recovery short of unloading the module. This is a silent leak: the
inodes loaded prior to failure remain hashed but generic_shutdown_super()
skips evict_inodes() when sb->s_root is unset, so no CHECK_DATA_CORRUPTION
warning is emitted either.
Move the per-volume frees down to err_out_now and drop the
lcn_empty_bits_per_page kvfree() from the upper label so the cleanup is
performed exactly once on every failure path. Using unconditional
kvfree() / kfree() / unload_nls() is safe because they all accept NULL
and the upper labels that previously freed nls_map (the d_make_root()
inline cleanup) already clear the pointer.
Cc: stable@vger.kernel.org # v7.1
Signed-off-by: DaeMyung Kang <charsyam@gmail.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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Linus Torvalds
|
8bc67e4db6 |
Changes since last update:
- Fix a kernel crash related to unaligned zstd extents - Fix metabuf reference leak in shared xattr initialization -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEQ0A6bDUS9Y+83NPFUXZn5Zlu5qoFAmoN+HoRHHhpYW5nQGtl cm5lbC5vcmcACgkQUXZn5Zlu5qpChw//Y09808eXfvBFS6r6ZFctMC0dEqPUFfFG KlJlQDEHgZEW+eaUYmn8ogFrhpaNsIzlzggvWNZy4QdJhFEyHQDAWhidIo3GZZ0H HMwUbjdLhEUOU1rpNk0bEwU9hak9g75Q0GLlhMA++zVsYmvNXaR0Ul1m3sSAe4Pc y7gHSHX66CC9khNTj2oXne7QgdjX/5knPXXd/8AwsVbX6JxczR0x4YBS75DhcSIa kncJlyHtZOqY8FYLwc8f3Y6sK9mYwDVcezz7XBeEAfsLMN0wfJVPi5eQ1eSy3/zT VtxbkXycKcGbkvDcaSNUdEOIIXCOLNEqwnhd0aogtAkSOSxG8ErbmRriwMKYHMVD 0BFc3t9odG/e8a3d2IVuBgXJhrl3ouuXwv2qS2hcuOZjMXEi1CYNu0NSrTNjbUeY y32DEc1jwkYOqB49sUxLIZjdWmqO9oyx6uktGXpfYKhfnTvBKL95VV4Krpo6Uj1L GAOsz4482g7yXuDG3lv+2Q60hcN0e5/lEFi+/t/8aWOfawU1NQC+rPxtWGds7JOc CvZ4ywvGLSkvBHkLnmocbwJF5npZxcI5A6uVktcM7PPEKDelHQhXTaV5IuApy5Wd SD5trL7OT6N66HETkpAccZhnasD4gnmQO+T0VXIOMHC5MQO0CeyLxy4XlqGDFxuk pK2hll9swAs= =iLng -----END PGP SIGNATURE----- Merge tag 'erofs-for-7.1-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs Pull erofs fixes from Gao Xiang: - Fix a kernel crash related to unaligned zstd extents - Fix metabuf reference leak in shared xattr initialization * tag 'erofs-for-7.1-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: fix metabuf leak in inode xattr initialization erofs: fix managed cache race for unaligned extents |
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Linus Torvalds
|
df685633c3 |
RCU fixes for v7.1
Fix a regression introduced by commit |
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Jia Zhu
|
79b09c54c6 |
erofs: fix metabuf leak in inode xattr initialization
commit |
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Gao Xiang
|
649932fc38 |
erofs: fix managed cache race for unaligned extents
After unaligned compressed extents were introduced, the following race
could occur:
[Thread 1] [Thread 2]
(z_erofs_fill_bio_vec)
<handle a Z_EROFS_PREALLOCATED_FOLIO folio>
...
filemap_add_folio (1)
(z_erofs_bind_cache)
<the same folio is found..>
..
..
folio_attach_private (2)
filemap_add_folio (3) again
Since (1) is executed but (2) hasn't been executed yet, it's possible
that another thread finds the same managed folio in z_erofs_bind_cache()
for a different pcluster and calls filemap_add_folio() again since
folio->private is still Z_EROFS_PREALLOCATED_FOLIO.
Fix this by explicitly clearing folio->private before making the folio
visible in the managed cache so that another pcluster can simply wait
on the locked managed folio as what we did for other shared cases [1].
This only impacts unaligned data compression (`-E48bit` with zstd,
for example).
[1] Commit
|
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|
Linus Torvalds
|
e312f536f6 |
lsm/stable-7.1 PR 20260519
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|
Linus Torvalds
|
27fa82620c |
ata fixes for 7.1-rc5
- Make sure that the issuing of a deferred non-NCQ command via
workqueue feature is only used when mixing NCQ and non-NCQ commands
to the same link (i.e. return value ATA_DEFER_LINK), and nothing
else. This way we will not incorrectly try to use the feature for
e.g. PATA drivers.
- The deferred non-NCQ command was stored in a per-port struct.
When using Port Multipliers with FIS-Based Switching, we would thus
needlessly defer commands to all other links. Store the deferred QC
in a per-link struct, such that Port Multipliers with FBS will get
the same performance as before.
- The issuing of a deferred non-NCQ command via workqueue feature
broke support for Port Multipliers using Command-Based Switching.
The issuing of a deferred non-NCQ command via workqueue feature is
not compatible with the use of ap->excl_link, which PMPs with CBS
use for fairness (using implicit round robin).
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Merge tag 'ata-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Niklas Cassel:
- Make sure that the issuing of a deferred non-NCQ command via
workqueue feature is only used when mixing NCQ and non-NCQ commands
to the same link (i.e. return value ATA_DEFER_LINK), and nothing
else. This way we will not incorrectly try to use the feature for
e.g. PATA drivers
- The deferred non-NCQ command was stored in a per-port struct. When
using Port Multipliers with FIS-Based Switching, we would thus
needlessly defer commands to all other links. Store the deferred QC
in a per-link struct, such that Port Multipliers with FBS will get
the same performance as before
- The issuing of a deferred non-NCQ command via workqueue feature broke
support for Port Multipliers using Command-Based Switching. The
issuing of a deferred non-NCQ command via workqueue feature is not
compatible with the use of ap->excl_link, which PMPs with CBS use for
fairness (using implicit round robin)
* tag 'ata-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-scsi: do not needlessly defer commands when using PMP with FBS
ata: libata-scsi: do not use the deferred QC feature on PMPs with CBS
ata: libata-scsi: do not use the deferred QC feature for ATA_DEFER_PORT
ata: libata-scsi: improve readability of ata_scsi_qc_issue()
|
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Linus Torvalds
|
1a2ab0feaa |
three ksmbd server fixes
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|
Linus Torvalds
|
0c0b282d50 |
Description for this pull request:
- Check the index depth limit via ntfs_icx_parent_inc(), avoiding context
corruption from excessively deep child chains.
- Switch security descriptor allocation to kzalloc() to avoid leaking
uninitialized memory.
- Prevent an inconsistent state where vol->volume_label becomes NULL on
allocation failure.
- Validate MFT records by verifying that attrs_offset sits within
bytes_in_use.
- Fix an off-by-one boundary comparison, correctly catching the
out-of-range MFT record number
- Validate the attribute name offset and length bounds prior to AT_UNUSED
enumeration.
- Check for a valid left neighbor before runlist merges to prevent an
8byte out-of-bounds write on crafted volumes.
- Add the missing record comparison against $MFTMirr during mount.
- Fix wrong inode lookup when writing extent MFT records.
- Redirty folio on memory allocation failure in ntfs_write_mft_block().
- Capture and propagate $MFTMirr sync errors during writeback.
- Ensure MFT mirror and synchronous writes wait for I/O completion.
- Fix buffer overflow/heap over-read in ntfs_bdev_write() when cluster
size is smaller than PAGE_SIZE.
- Fix use-after-free in ntfs_inode_sync_filename() when parent index inode
is evicted while still holding its mrec_lock.
- Update resident attribute length validation to match $AttrDef.
- Fix refcount underflow and UAF of the global upcase table.
- Fix two smatch warnings.
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Merge tag 'ntfs-for-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs
Pull ntfs fixes from Namjae Jeon:
- Check the index depth limit via ntfs_icx_parent_inc(), avoiding
context corruption from excessively deep child chains
- Switch security descriptor allocation to kzalloc() to avoid leaking
uninitialized memory
- Prevent an inconsistent state where vol->volume_label becomes NULL on
allocation failure
- Validate MFT records by verifying that attrs_offset sits within
bytes_in_use
- Fix an off-by-one boundary comparison, correctly catching the
out-of-range MFT record number
- Validate the attribute name offset and length bounds prior to
AT_UNUSED enumeration
- Check for a valid left neighbor before runlist merges to prevent an
8byte out-of-bounds write on crafted volumes
- Add the missing record comparison against $MFTMirr during mount
- Fix wrong inode lookup when writing extent MFT records
- Redirty folio on memory allocation failure in ntfs_write_mft_block()
- Capture and propagate $MFTMirr sync errors during writeback
- Ensure MFT mirror and synchronous writes wait for I/O completion
- Fix buffer overflow/heap over-read in ntfs_bdev_write() when cluster
size is smaller than PAGE_SIZE
- Fix use-after-free in ntfs_inode_sync_filename() when parent index
inode is evicted while still holding its mrec_lock
- Update resident attribute length validation to match $AttrDef
- Fix refcount underflow and UAF of the global upcase table
- Fix two smatch warnings
* tag 'ntfs-for-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/ntfs:
ntfs: restore $MFT mirror contents check
ntfs: fix empty_buf and ra lifetime bugs in ntfs_empty_logfile()
ntfs: validate attribute name bounds before returning it
ntfs: fix MFT bitmap scan 2^32 boundary check
ntfs: validate MFT attrs_offset against bytes_in_use
ntfs: fix missing kstrdup() error check in ntfs_write_volume_label()
ntfs: avoid leaking uninitialised bytes in new security descriptors
ntfs: fix out-of-bounds write in ntfs_index_walk_down()
ntfs: fix out-of-bounds write in ntfs_rl_collapse_range() merge path
ntfs: fix variable dereferenced before check ni in ntfs_attr_open()
ntfs: fix default_upcase refcount underflow and UAF on fs_context teardown
ntfs: match ntfs_resident_attr_min_value_length with $AttrDef
ntfs: avoid use-after-free of index inode in ntfs_inode_sync_filename()
ntfs: fix copy length in ntfs_bdev_write() for non-page-aligned start
ntfs: wait for sync mft writes to complete
ntfs: capture mft mirror sync errors in ntfs_write_mft_block()
ntfs: redirty folio when ntfs_write_mft_block() runs out of memory
ntfs: use base mft_no when looking up base inode for extent record
ntfs: fix variable dereferenced before check ni and attr in ntfs_attrlist_entry_add()
|
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|
Linus Torvalds
|
650d21334c |
Second round of Kbuild fixes for 7.1
- modpost: prevent stack buffer overflow in do_input_entry() and do_dmi_entry()
Defensively replace unbound sprintf() calls in file2alias to prevent
silent stack overflows and detect alias name overflows with proper
error message.
- kbuild: pacman-pkg: make "rc" releases adhere to pacman versioning scheme
Enable smooth upgrades from "rc" releases w/ pacman packages.
Cc: Hasan Basbunar <basbunarhasan@gmail.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Thomas Weißschuh <linux@weissschuh.net>
Cc: Viktor Jägersküpper <viktor_jaegerskuepper@freenet.de>
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Merge tag 'kbuild-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild fixes from Nicolas Schier:
- modpost: prevent stack buffer overflow in do_input_entry() and
do_dmi_entry()
Defensively replace unbound sprintf() calls in file2alias to prevent
silent stack overflows and detect alias name overflows with proper
error message.
- kbuild: pacman-pkg: make "rc" releases adhere to pacman versioning
scheme
Enable smooth upgrades from "rc" releases w/ pacman packages.
* tag 'kbuild-fixes-7.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux:
kbuild: pacman-pkg: make "rc" releases adhere to pacman versioning scheme
modpost: prevent stack buffer overflow in do_input_entry() and do_dmi_entry()
|
||
|
Linus Torvalds
|
c6e99c10fd |
14 hotfixes. 9 are for MM. 10 are cc:stable and the remainder are for
post-7.1 issues or aren't deemed suitable for backporting. There's a 2 patch MAINTAINERS series from Mike Rapoport which updates us for the new KEXEC/KDUMP/crash/LUO/etc arrangements. And a 2 patch series from Muchun Song to fix a couple of memory-hotplug issues. Otherwise singletons, please see the changelogs for details. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCagviKQAKCRDdBJ7gKXxA jlbsAP9SEShHxXEYcRMVQtXb+8/iJDe7J3KwVDP4e0VOlQKTPAD/c+C2bx4nllOG 77wl9Qkr++KqTSmoPbzA7Q02gJC2ngQ= =2qN3 -----END PGP SIGNATURE----- Merge tag 'mm-hotfixes-stable-2026-05-18-21-07' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "14 hotfixes. 9 are for MM. 10 are cc:stable and the remainder are for post-7.1 issues or aren't deemed suitable for backporting. There's a two-patch MAINTAINERS series from Mike Rapoport which updates us for the new KEXEC/KDUMP/crash/LUO/etc arrangements. And another two-patch series from Muchun Song to fix a couple of memory-hotplug issues. Otherwise singletons, please see the changelogs for details" * tag 'mm-hotfixes-stable-2026-05-18-21-07' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mm/memory: fix spurious warning when unmapping device-private/exclusive pages mm: fix __vm_normal_page() to handle missing support for pmd_special()/pud_special() drivers/base/memory: fix memory block reference leak in poison accounting mm/memory_hotplug: fix memory block reference leak on remove lib: kunit_iov_iter: fix test fail on powerpc mm/page_alloc: fix initialization of tags of the huge zero folio with init_on_free MAINTAINERS: add kexec@ list to LIVE UPDATE ENTRY MAINTAINERS: add tree for KDUMP and KEXEC selftests/mm: run_vmtests.sh: fix destructive tests invocation scripts/gdb: slab: update field names of struct kmem_cache scripts/gdb: mm: cast untyped symbols in x86_page_ops mm/damon: fix damos_stat tracepoint format for sz_applied mm/damon/sysfs-schemes: call missing mem_cgroup_iter_break() mm/migrate_device: fix spinlock leak in migrate_vma_insert_huge_pmd_page |
||
|
Viktor Jägersküpper
|
2025507131
|
kbuild: pacman-pkg: make "rc" releases adhere to pacman versioning scheme
The package versioning scheme does not enable smooth upgrades from "rc"
releases to the corresponding stable releases (e.g. 7.0.0-rc7 -> 7.0.0)
because pacman considers that a downgrade due to the underscore in
pkgver (e.g. 7.0.0_rc7), see e.g. vercmp(8) for an explanation of the
package version comparison used by pacman. Package versions which are
derived from said releases (e.g. built from git revisions) are
similarly affected. Fix this by modifying pkgver in order to remove the
hyphen from kernel versions containing "-rcN", where N is a
non-negative integer.
Acked-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Viktor Jägersküpper <viktor_jaegerskuepper@freenet.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20260515215913.92481-1-viktor_jaegerskuepper@freenet.de
Fixes:
|
||
|
Hasan Basbunar
|
49f8fcde68
|
modpost: prevent stack buffer overflow in do_input_entry() and do_dmi_entry()
Several functions in scripts/mod/file2alias.c build the module alias
string by repeatedly appending into a fixed-size on-stack buffer:
char alias[256] = {};
...
sprintf(alias + strlen(alias), "%X,*", i);
This pattern is unbounded and silently corrupts the stack when the
formatted output exceeds the destination size. Two functions in this
file are realistically reachable with input that overflows their
buffer:
1. do_input_entry() appends across nine bitmap classes
(evbit/keybit/relbit/absbit/mscbit/ledbit/sndbit/ffbit/swbit). The
keybit case alone scans bits from INPUT_DEVICE_ID_KEY_MIN_INTERESTING
(0x71) to INPUT_DEVICE_ID_KEY_MAX (0x2ff), 655 iterations; if a
MODULE_DEVICE_TABLE(input, ...) populates keybit[] densely, the
emission reaches ~3132 bytes — overflowing the 256-byte buffer by
about 12x. include/linux/mod_devicetable.h declares storage for the
full bit range ("keybit[INPUT_DEVICE_ID_KEY_MAX / BITS_PER_LONG + 1]"),
so the worst case is reachable per the ABI.
2. do_dmi_entry() emits one ":<prefix>*<filtered_substr>*" segment per
matched DMI field, up to 4 matches per dmi_system_id. Each substr
is sized as char[79] in struct dmi_strmatch (mod_devicetable.h:584),
and dmi_ascii_filter() copies it verbatim into the alias buffer
without bounds. Worst case: 4 × (1 + 3 + 1 + 79 + 1) = 336 bytes
into alias[256], an 80-byte overflow.
No driver in the current tree triggers either case — every in-tree
INPUT_DEVICE_ID_MATCH_KEYBIT user populates keybit[] very sparsely
(1-3 bits), and no in-tree dmi_system_id has four maximally-long
matches. The concern is defense-in-depth: both unbounded sprintf
chains are silent stack-corruption primitives in a host build tool,
and the buffer sizes have not been revisited since the corresponding
code was first introduced.
The other do_*_entry() handlers in this file (do_usb_entry,
do_cpu_entry, do_typec_entry, ...) were audited and are bounded by
their input field sizes (uint16 IDs, fixed-length keys); their alias
buffers do not need this treatment.
Reproduced under AddressSanitizer with a stand-alone harness mirroring
do_input on a fully-populated keybit:
==18319==ERROR: AddressSanitizer: stack-buffer-overflow
WRITE of size 2 at offset 288 in frame [32, 288) 'alias'
#6 do_input poc.c:44
Stack-canary build:
Abort trap: 6 (strlen(alias)=3134, cap was 256-1)
Add a small alias_append() helper around vsnprintf with a remaining-
space check and call fatal() on overflow, matching the modpost style
for unrecoverable build conditions. do_input() takes the buffer size
as a new parameter; do_input_entry() and do_dmi_entry() pass
sizeof(alias) at every call site. dmi_ascii_filter() takes the
remaining buffer size as well and aborts on truncation. This bounds
every write into the on-stack buffers and turns the latent overflow
into a clean build error if it is ever reached.
Fixes:
|
||
|
Linus Torvalds
|
ab5fce87a7 |
perf-tools fixes for v7.1-rc5
An usual sync-up for the header files and related codes. - copy headers that are used for perf trace syscall beautifier - update the beautifier scripts according to the changes - not to show differences in the headers by default Signed-off-by: Namhyung Kim <namhyung@kernel.org> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSo2x5BnqMqsoHtzsmMstVUGiXMgwUCagtsFwAKCRCMstVUGiXM g4a3AQCb5NSggS+pmpy3/N9lvKMf61SQ968zgqW3TkMR7HpnaQD/X1Dih2bXwAdV jKLib/OHsDX9BMgErOVCp9iJJlH8CwM= =WQkZ -----END PGP SIGNATURE----- Merge tag 'perf-tools-fixes-for-v7.1-2026-05-18' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools Pull perf-tools fixes "An usual sync-up for the header files and related code: - copy headers that are used for perf trace syscall beautifier - update the beautifier scripts according to the changes - don't show differences in the headers by default" * tag 'perf-tools-fixes-for-v7.1-2026-05-18' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: perf trace: Update beautifier script for clone flags perf trace: Add beautifier script for fsmount flags perf build: Add make check-headers target perf trace: Sync uapi/linux/sched.h with the kernel source perf trace: Sync uapi/linux/mount.h with the kernel source perf trace: Sync uapi/linux/fs.h with the kernel source perf trace: Sync linux/socket.h with the kernel source |
||
|
David Howells
|
8cf8b5ae8e |
cifs: Fix undefined variables
Fix a couple of undefined variables introduced by the patch to fix tearing
on ->remote_i_size and ->zero_point. For some reason, make W=1 with gcc
doesn't give undefined variable warnings (but clang does).
Fixes:
|
||
|
Nathan Chancellor
|
4d3a2a466b |
HID: core: Fix size_t specifier in hid_report_raw_event()
When building for 32-bit platforms, for which 'size_t' is
'unsigned int', there are warnings around using the incorrect format
specifier to print bsize in hid_report_raw_event():
drivers/hid/hid-core.c:2054:29: error: format specifies type 'long' but the argument has type 'size_t' (aka 'unsigned int') [-Werror,-Wformat]
2053 | hid_warn_ratelimited(hid, "Event data for report %d is incorrect (%d vs %ld)\n",
| ~~~
| %zu
2054 | report->id, csize, bsize);
| ^~~~~
drivers/hid/hid-core.c:2076:29: error: format specifies type 'long' but the argument has type 'size_t' (aka 'unsigned int') [-Werror,-Wformat]
2075 | hid_warn_ratelimited(hid, "Event data for report %d was too short (%d vs %ld)\n",
| ~~~
| %zu
2076 | report->id, rsize, bsize);
| ^~~~~
Use the proper 'size_t' format specifier, '%zu', to clear up the
warnings.
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Namhyung Kim
|
9a424b62f7 | Merge branch 'perf-upstream' | ||
|
Paul E. McKenney
|
593889c401 |
srcu: Don't queue workqueue handlers to never-online CPUs
While an srcu_struct structure is in the midst of switching from CPU-0
to all-CPUs state, it can attempt to invoke callbacks for CPUs that
have never been online. Worse yet, it can attempt in invoke callbacks
for CPUs that never will be online, even including imaginary CPUs not in
cpu_possible_mask. This can cause hangs on s390, which is not set up to
deal with workqueue handlers being scheduled on such CPUs. This commit
therefore causes Tree SRCU to refrain from queueing workqueue handlers
on CPUs that have not yet (and might never) come online.
Because callbacks are not invoked on CPUs that have not been
online, it is an error to invoke call_srcu(), synchronize_srcu(), or
synchronize_srcu_expedited() on a CPU that is not yet fully online.
However, it turns out to be less code to redirect the callbacks
from too-early invocations of call_srcu() than to warn about such
invocations. This commit therefore also redirects callbacks queued on
not-yet-fully-online CPUs to the boot CPU.
Reported-by: Vasily Gorbik <gor@linux.ibm.com>
Fixes:
|
||
|
Linus Torvalds
|
4bf5d3da79 |
[GIT PULL for v7.1-rc5] media fixes
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE+QmuaPwR3wnBdVwACF8+vY7k4RUFAmoKwgsACgkQCF8+vY7k 4RXBgw/+IFhiymrL/oEpSgfva7KOKVzkCPOap4O8QQzD5Zo5T2Pax+ZUDmmX/9WU vlovQqKR80/HtR3C0pg4dPKjKftdgBdmnfTLwRPRS1m4EDd894tL4aty/Xst9J/x M5y03f0RE9Lnnm1zMf2rpeKovUyCNwg/1QRbZ2/95qdA2UtwkjglT4277HFzVRFN NOQQyCIAZWPYmPKYePOJDipHoJMFWucsG9BgW8W3DH2Glqf/vm/VtStkGub+yNkw H2ze8ejByVPiAvzkcATd8VXxcJx1ZwuTPxpDiB8ag/CznYYo9VixIhcZbreJdQnE 23i6DNuIsNsnT5lQCQOXusta8RqZUZzTmutSnsXTjRUaRqH3yduqnLbz9v24yqKn NNNqKnqeY1j1rhkRtOJtJqcgqA7IRXtPi6SLFVkV9qxQljrRl0I25/2lLGrpC2vw 1msMpi8UU5ZDCCeAHvHVDUS6OFeKiaIB2z4hWwfd34mHwWVsn5yRe9IArDC2gCMR L5qd9OSG4Dg0RhHIsPOJSxAK8udlUn+naokV83et6dLvdjx0ExCQn0npP+FNBz+Q AGlARBbEnTKLvx3RJLr5Zyiix5ptJfbDPoRn6iThhl/dvTfzSrAGp7we7lwTaKH2 tTGdQG2OahyDhdHalJSs19YHyr7nB2CvgE1QYrimfmwFWcJihpk= =oQY+ -----END PGP SIGNATURE----- Merge tag 'media/v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media fix from Mauro Carvalho Chehab: "Fix inverted error logic in ttusbir driver" * tag 'media/v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: media: rc: ttusbir: fix inverted error logic |
||
|
Linus Torvalds
|
5dfa01ef37 |
vfs-7.1-rc5.fixes
Please consider pulling these changes from the signed vfs-7.1-rc5.fixes tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCagq67gAKCRCRxhvAZXjc ooRHAP0Scrpsiloo7JPM1u0DZZwvTdb9JRlx6k/KXkeN0j5L/wD9FVA9AXarcta5 h37k+SZpz8FuWkoY5LxTvUNbV6mr0w0= =Enhi -----END PGP SIGNATURE----- Merge tag 'vfs-7.1-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs fixes from Christian Brauner: "This contains a fixes for the current development cycle. Note that AI related review sometimes delays fixes a bit because we find more fixes for the fixes. I might try and send smaller but more fixes PRs if this trend keeps up. - Fix various netfslib bugs - Fix an out-of-bounds write when listing idmappings - Fix the return values in jfs_mkdir() and orangefs_mkdir() - Fix a writeback writeback array overflow in fuse - Fix a forced iversion increment on lazytime timestamp updates - Reject a negative timeval component in kern_select() - Fix error return when vfs_mkdir() fails in the cachefiles code - Fix wrong error code returned for pidns ioctls" * tag 'vfs-7.1-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (31 commits) cachefiles: Fix error return when vfs_mkdir() fails afs: Fix the locking used by afs_get_link() netfs, afs: Fix write skipping in dir/link writepages netfs: Fix netfs_read_folio() to wait on writeback netfs: Fix folio->private handling in netfs_perform_write() netfs: Fix partial invalidation of streaming-write folio netfs: Fix potential UAF in netfs_unlock_abandoned_read_pages() netfs: Fix leak of request in netfs_write_begin() error handling netfs: Fix early put of sink folio in netfs_read_gaps() netfs: Fix write streaming disablement if fd open O_RDWR netfs: Fix read-gaps to remove netfs_folio from filled folio netfs: Fix potential deadlock in write-through mode netfs: Fix streaming write being overwritten netfs: Defer the emission of trace_netfs_folio() netfs: Fix netfs_invalidate_folio() to clear dirty bit if all changes gone netfs: Fix overrun check in netfs_extract_user_iter() netfs: fix error handling in netfs_extract_user_iter() netfs: Fix potential uninitialised var in netfs_extract_user_iter() netfs: fix VM_BUG_ON_FOLIO() issue in netfs_write_begin() call netfs: Fix zeropoint update where i_size > remote_i_size ... |
||
|
Niklas Cassel
|
759e8756da |
ata: libata-scsi: do not needlessly defer commands when using PMP with FBS
The ACS specification does not allow a non-NCQ command to be issued while an NCQ command is outstanding. Commit |
||
|
Niklas Cassel
|
f233124fb3 |
ata: libata-scsi: do not use the deferred QC feature on PMPs with CBS
When using Port Multipliers (PMPs) with Command-Based Switching (CBS), you can only issue commands to one link at a time. For PMPs with CBS, there is already code to handle commands being sent to different links in sata_pmp_qc_defer_cmd_switch() using ap->excl_link. sata_sil24 also makes use of ap->excl_link. A user on the list reported that commit |
||
|
Niklas Cassel
|
ce4548807d |
ata: libata-scsi: do not use the deferred QC feature for ATA_DEFER_PORT
The deferred QC feature was meant to handle mixed NCQ and non-NCQ commands,
i.e. for return value ATA_DEFER_LINK.
ATA_DEFER_PORT is returned by PATA drivers, but also certain SATA drivers
like sata_mv and sata_sil24 that uses ap->excl_link to workaround hardware
bugs in these HBAs. Regardless of the reason, using the deferred QC feature
for ATA_DEFER_PORT is always wrong, and will break the ap->excl_link usage
of the SATA drivers that rely on that feature.
Modify ata_scsi_qc_issue() to only use the deferred QC feature when mixing
NCQ and non-NCQ commands, i.e. ATA_DEFER_LINK.
Fixes:
|
||
|
Niklas Cassel
|
360190bd96 |
ata: libata-scsi: improve readability of ata_scsi_qc_issue()
Improve readability of ata_scsi_qc_issue(). No functional changes. Tested-by: Tommy Kelly <linux@tkel.ly> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Signed-off-by: Niklas Cassel <cassel@kernel.org> |
||
|
Linus Torvalds
|
5200f5f493 | Linux 7.1-rc4 | ||
|
Linus Torvalds
|
e5d505e366 |
tracing fixes for 7.1:
- Add more functions to the remote allowed list randconfig found more functions that are allowed for the remote code for s390 and arm. Add them to the allowed list. - Fix remote_test error path If one of the simple ring buffers fails to load, the code is supposed to rollback its initialized buffers. Instead of rolling back the buffers for the failed load, it uses the global variable and rolls back all the successfully loaded buffers. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCagm9FRQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qn0xAP0WSYmbUAGYnrq1o5L4EEM61ManFBfp ta7dmx1Q5SYw6AEAtqbiH42VJZviAmajguyuL0cs9i9exFl+j4SaneejNwg= =CLqK -----END PGP SIGNATURE----- Merge tag 'trace-v7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing fixes from Steven Rostedt: - Add more functions to the remote allowed list randconfig found more functions that are allowed for the remote code for s390 and arm. Add them to the allowed list. - Fix remote_test error path If one of the simple ring buffers fails to load, the code is supposed to rollback its initialized buffers. Instead of rolling back the buffers for the failed load, it uses the global variable and rolls back all the successfully loaded buffers. * tag 'trace-v7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracing: Fix desc in error path for the trace remote test module ring-buffer remote: Avoid unexpected symbol warnings (arm, s390) |
||
|
Carlos López
|
23e6a1ca04 |
virt: sev-guest: Do not use host-controlled page order in cleanup path
When issuing an extended guest request (SVM_VMGEXIT_EXT_GUEST_REQUEST),
get_ext_report() allocates a buffer to retrieve a certificate blob from the
host, keeping track of its size in report_req->certs_len.
However, the host may return SNP_GUEST_VMM_ERR_INVALID_LEN, indicating
an invalid buffer size, as well as the expected length of such buffer.
get_ext_report() subsequently updates report_req->certs_len with the
host-controlled value, and cleans up the buffer by computing a page order
from such value. This is incorrect, as the host-provided length may not
match the page order of the original allocation, potentially resulting
in corruption in the page allocator.
Fix this by using alloc_pages_exact() instead, and reusing @npages to
compute the size passed to free_pages_exact(). For consistency, also
use @npages to compute the size when allocating the pages, even though
this last change has no functional effect.
Fixes:
|
||
|
Linus Torvalds
|
e7f24a388e |
Fix x86 boot crash for non-kjump kexecs, by David Woodhouse.
Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmoJYxcRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1j2hA/+MxdlM9As/a/mXpjyqezX2Ja7QsKYcUrD T5IgYi+5mUN3Bu5NYCkjI6jw4L3fAW1k2nLdAglnp9vo0L0McL7rN4pf/v0vUQ2y LEcWr1Oaml15hg3/vBWTOhYVsRoEFqRkrTMQS0hKh7RbEG4bYXeT0Z9oJAjvSzj+ y8bLYzYiJuAM4AqNpiTHns1c2hUXBroooqsqml9+FXL2+kLx+oAP9uwAJk7/b5sI aGHw0XNypM6QBbXHrj/2QfrH1Mxsb6vk21PHKvvukdiZRs8G4zNjrfInB/7Ri8Ob ACdmPrp/U5jxfpmBFhmbsm5Z1wb955n+P3uWQ/8TFkjBLtPpxao3jN7xgRKb4lY4 EjY123XvrWTm2wCF9wyp6L029jWoDTMAR22Dr1THtsssHeZSLFcVp66LIkxoxWJB fjpyNuf4Y800xf6xUNlJ6/irbyhMyuPxOjdgNDoD/mKiWq1+Y2y4K/ILAwXpmzmB xyEp1L2C30K3kquxQ63gyerEAxLux7KF1gRk0KZllf0HK3dEjiWf0B9TyM0E24rt BmUb0WLUy9Tlbojs7qF4Lge2ooLJkKuj+s86ATi6vb20gN/hXvCZJ+/+xF7glRIT 6BBFXKVQ3Vf1sCRBwsDPZoUc1e9mlxHzIyUkFOnjxOp10YCzeUo6h9vo6acPbWYB 7vzHxuJV8cg= =aolN -----END PGP SIGNATURE----- Merge tag 'x86-urgent-2026-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Ingo Molnar: - Fix x86 boot crash for non-kjump kexecs (David Woodhouse) * tag 'x86-urgent-2026-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/kexec: Push kjump return address even for non-kjump kexec |
||
|
Linus Torvalds
|
46cd5b22e5 |
Fix potential garbage reads in the vDSO gettimeofday code,
by Thomas Weißschuh. Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmoJYkoRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1jBQg/9FfGP+EjrLo7rNnWGUMenFcnB1pLoiad2 voDI0h+YTeH2S4DbW/3jAPFMqKfkrI7OsqX01nhI32rgRNp3Vo8nkIOF1mYwLcnx tFTqW0mPffGiJFUYNUUBMGf6JyA0vkMRc5I//bxKx+WEKLtRs9FIjLpTL9AQ9bRl Q4BglK7ik+HKpZ8DIR5ke1yqZOmTJvP9VFfGns5N641vfQG5LOjLitqIuuVaRStC FDgHAzue1fgKgjWb3jThgWaAGlYnqGYg56Irq4J1P12XA+4SxjfhIsuAQ7TyLukE GEMAWIgGGFD5zghjGuClLHwU1wVaqPf60CKmHDIz7MjPBxcW1Xz4RwbGMmfriiSU Hhr2b2BjI8tuV+IuLbOgXmhs9OoT0++u65R/PvTS2PrgPsUeUGCdrsbM7rGYIIXp yETKT69N4vNZvWe/JJJlmyi2iK0kWtGdgKdexjlzAEfS0WDNckrIYKmB8GSvevxB xxl+hHkAte96H4lY6eN5gXVxPZsc8Rg0/5udyW085aVqy0Sgpe0B/ECbjmScdQDS vCsgtXeXgspB3vKodWvQFFyswvI+692MWOxNOky2zt3PlnS+U144U5RI8tpIzeMK 3n6uwDaNcgXyGAwqYn4XogO5S7kP/76lYFcinfwR4fV4EO51m5LRjlXKW1BQ7/JW LUPWeVceYek= =E5oi -----END PGP SIGNATURE----- Merge tag 'timers-urgent-2026-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Ingo Molnar: - Fix potential garbage reads in the vDSO gettimeofday code (Thomas Weißschuh) * tag 'timers-urgent-2026-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: vdso/gettimeofday: Reload sequence counter after switch to time page in do_aux() |
||
|
Linus Torvalds
|
c97481ab79 |
Fix ARM64-specific rseq regressions, by Mark Rutland.
Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmoJYGARHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1hhqA/7Bu+RlGD2negpCvCLBuqViDz4xdn7Xdh1 UPXLmzS5NkU+BNqGBzgyW9KsSMSfuc8D+f5ukFKNPLWMRnZVj+EOaygmZsXxS5tI DG1JB8JbSm5JCovlTWxpJ+A7GAGL66OLXuN6w7Wh8WmzHy+yro9T5Bt/nS6LTMQJ 9vckipgYczYhJqm8snpPUKcyDmi3EFcQPTLZrXZA7rXHGPVIRO+bkoVa+v9U5ySi LVsccXZN21YNJDjVVze6Lc3MazeEMVD+D5EjsAoYZFZWqGWA26X+Hga5ASP+z3Ae UHLsFyEYHj26trXkk0GIsBelDVaboK9MtOMU3UzbgnxZSXiODVsyYbHDFBLgWymQ RUkOxNaYK3ziV0Izh8OmZZ7x1ODWElD3v5ONI+1eipvAJKiBSpqXSKsJnJavr/Ju ewG2z109BiXYMLEz5IF8ZBVb7PyT1BHkJtrevkFU+y+JmQX4pi284gnNbeanGlju iRiB6etxhc6quQugJxnVmRJwRzipeIbv4sRDvYMOFmzATSKljkovJI3f+jmyAXPa rowWr44p2TamhVhmZ3cyAsuIsVXjt6WhD/JqCPTB/rtZsA9xsPKnEWHS0LoiLDJ6 wfMoGsAzNf7g9qW43WE8jy2UMTsgrQkbDsKekssl0/Ph1dKjW0Z46ZqM/k1ixetr 0rz4q4VNfTU= =ax51 -----END PGP SIGNATURE----- Merge tag 'sched-urgent-2026-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fix from Ingo Molnar: - Fix ARM64-specific rseq regressions (Mark Rutland) * tag 'sched-urgent-2026-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: arm64/entry: Fix arm64-specific rseq brokenness |
||
|
Linus Torvalds
|
daa3de23f9 |
Fix an MCE polling interval adjustment regression, by Borislav Petkov.
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||
|
Linus Torvalds
|
ec296ebf6d |
Miscellaneous IRQ fixes:
- Fix use-after-free in irq_work_single() on PREEMPT_RT
(Jiayuan Chen)
- Don't call add_interrupt_randomness() for NMIs
in handle_percpu_devid_irq() (Mark Rutland)
- Remove unused function in the ath79-cpu irqchip driver
causing LKP CI build warnings (Rosen Penev)
- Fix IRQ allocation/teardown leakage regressions in the GICv5
irqchip driver (Sascha Bischoff)
- Fix an IRQ trigger type regression in the Meson S4 SoC irqchip
driver (Xianwei Zhao)
- Fix CPU offlining regression in the RiscV IMSIC irqchip driver
(Yong-Xuan Wang)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2026-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull IRQ fixes from Ingo Molnar:
- Fix use-after-free in irq_work_single() on PREEMPT_RT (Jiayuan Chen)
- Don't call add_interrupt_randomness() for NMIs in
handle_percpu_devid_irq() (Mark Rutland)
- Remove unused function in the ath79-cpu irqchip driver causing LKP
CI build warnings (Rosen Penev)
- Fix IRQ allocation/teardown leakage regressions in the GICv5 irqchip
driver (Sascha Bischoff)
- Fix an IRQ trigger type regression in the Meson S4 SoC irqchip driver
(Xianwei Zhao)
- Fix CPU offlining regression in the RiscV IMSIC irqchip driver
(Yong-Xuan Wang)
* tag 'irq-urgent-2026-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irq_work: Fix use-after-free in irq_work_single() on PREEMPT_RT
irqchip/riscv-imsic: Clear interrupt move state during CPU offlining
irqchip/meson-gpio: Use the correct register in meson_s4_gpio_irq_set_type()
irqchip/ath79-cpu: Remove unused function
genirq/chip: Don't call add_interrupt_randomness() for NMIs
irqchip/gic-v5: Allocate ITS parent LPIs as a range
irqchip/gic-v5: Support range allocation for LPIs
irqchip/gic-v5: Move LPI allocation into the LPI domain
|
||
|
Linus Torvalds
|
f7c79949be |
RISC-V updates for v7.1-rc4
- Disable satp register probing when no5lvl is specified on the kernel
command line
- Fix a CFI-related issue with the misaligned access speed measurement
code
- Reduce the CFI shadow stack size limit from 4GB to 2GB (following
ARM64 GCS)
- Prevent the kernel from requesting delegation of misaligned access
faults unless a new Kconfig option,
CONFIG_RISCV_SBI_FWFT_DELEGATE_MISALIGNED, is enabled. This will
depend on CONFIG_NONPORTABLE until the deficiencies of the kernel
misaligned access fixup code are fixed
- Fix some potential uninitialized memory accesses in error paths in
compat_riscv_gpr_set() and compat_restore_sigcontext()
- Fix a bug in the RISC-V MIPS vendor errata patching code where a
logical-and was used in place of a bitwise-and
- Drop some unnecessary code in riscv_fill_hwcap_from_isa_string()
- Use macros for isa2hwcap indices in riscv_fill_hwcap(), rather than
open-coding them
- Fix some documentation typos (one affecting "make htmldocs")
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Merge tag 'riscv-for-linus-7.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"Relatively low-impact fixes. Probably the most notable one is that we
no longer ask the monitor-mode firmware to delegate misaligned access
handling to the kernel by default, since the kernel code needs
significant improvement to match the functionality of the firmware.
This change avoids functional problems at some cost in performance,
but shouldn't affect any system with misaligned access handling in
hardware.
- Disable satp register probing when no5lvl is specified on the
kernel command line
- Fix a CFI-related issue with the misaligned access speed
measurement code
- Reduce the CFI shadow stack size limit from 4GB to 2GB (following
ARM64 GCS)
- Prevent the kernel from requesting delegation of misaligned access
faults unless a new Kconfig option, RISCV_SBI_FWFT_DELEGATE_MISALIGNED,
is enabled. This will depend on CONFIG_NONPORTABLE until the
deficiencies of the kernel misaligned access fixup code are fixed
- Fix some potential uninitialized memory accesses in error paths in
compat_riscv_gpr_set() and compat_restore_sigcontext()
- Fix a bug in the RISC-V MIPS vendor errata patching code where a
logical-and was used in place of a bitwise-and
- Drop some unnecessary code in riscv_fill_hwcap_from_isa_string()
- Use macros for isa2hwcap indices in riscv_fill_hwcap(), rather than
open-coding them
- Fix some documentation typos (one affecting 'make htmldocs')"
* tag 'riscv-for-linus-7.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: misaligned: Make enabling delegation depend on NONPORTABLE
riscv: Docs: fix unmatched quote warning
riscv: cfi: reduce shadow stack size limit from 4GB to 2GB
riscv: cpufeature: Use pre-defined ISA ext macros to index isa2hwcap
riscv: mm: Fixup no5lvl failure when vaddr is invalid
riscv: Fix register corruption from uninitialized cregs on error
riscv: errata: Fix bitwise vs logical AND in MIPS errata patching
Documentation: riscv: cmodx: fix typos
riscv: cpufeature: Drop this_hwcap clear in T-Head vector workaround
riscv: Define __riscv_copy_{,vec_}{words,bytes}_unaligned() using SYM_TYPED_FUNC_START
|
||
|
Linus Torvalds
|
1405a07192 |
hwmon fixes for v7.1-rc4
- asus_atk0110, acpi_power_meter: Add missing NULL pointer checks - lm90: Fix locking and UAF issues - sy7636a: Fix sysfs attribute name in documentation -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiHPvMQj9QTOCiqgVyx8mb86fmYEFAmoI8sIACgkQyx8mb86f mYEJ7Q//SOEdVoW7nubLZzjSHqlip7dIQe+m/scLRtMpZfM+T+FRsq8MT5VQuuOy YPsfl6AON+8oWwpbDy8k06tfDXzTOKg/aqzFwMOnM0WqnCpV2DxNOqUSgUdKaWH0 Jyh97Jvm/KRyLdjbTCEHMrpmjylVcoK8eBBP9YLijMWWG9etATZxlTRpg8axPLCV 9e2+NiMhDvDS2rPun78NWQPka9yLgxJFTuY0PzkdFjhaBcze/w1R9FDoO/ADPexD +diea3Vh+zDJIx9W+U2gRo4q0y44WZfdC/kC3Vesrrok5lFZOvY/mSG4g3o7ZtB1 T970J9Ban+Q+KmPHc/u6+/Kbumy9lF0I/Qk1AFTatPD6eWEFzAiMVuWdMO1S88RS rGwpvGMua0Dpl5oOHhbwtKHv1ZQ4mI1ozNHmm9xt6tLPFYvR42Wz46O4/Z3idFTa YZAzxrsEE/6lWTwWuZx9eIn9LVrFyiJfR+0s/R8avj+ybqW5U2aKlMpixcVVykYW x1TKt91omszIaVaj6S5fsdMoiAh8yLEsEI5Hk2Kcf7Jh2Uj7kufJtNCsNa1+zQz9 lxiGra2WKrKBEgrhv392369LQEiUyGWuU2loL0fQQFC33qTv9MoGKrM25YX8DuFB WjQBXOmOD33mnO5fojqshAa9RXX9AnntQfAYsB89Wz8G/mKMjio= =CZ6D -----END PGP SIGNATURE----- Merge tag 'hwmon-for-v7.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: - asus_atk0110, acpi_power_meter: Add missing NULL pointer checks - lm90: Fix locking and UAF issues - sy7636a: Fix sysfs attribute name in documentation * tag 'hwmon-for-v7.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (lm90) Add lock protection to lm90_alert hwmon: (lm90) Stop work before releasing hwmon device docs: hwmon: sy7636a: fix temperature sysfs attribute name hwmon: (asus_atk0110) Check ACPI_COMPANION() against NULL hwmon: (acpi_power_meter) Check ACPI_COMPANION() against NULL |
||
|
Vincent Donnefort
|
55a0005518 |
tracing: Fix desc in error path for the trace remote test module
During initialisation in remote_test_load(), if one of the simple_ring_buffer fails to initialise, the error path attempts to rollback initialised buffers. However, the rollback incorrectly uses the global pointer to the trace descriptor, which is only set upon successful load completion. Fix the error path by using the local pointer to the descriptor. Link: https://patch.msgid.link/20260515201616.337469-1-vdonnefort@google.com Fixes: |
||
|
Linus Torvalds
|
fe6f8e913d |
powerpc fixes for 7.1 #3
- fix preempt count leak in sysfs show paths
- Fix error handling in pika_dtm_thread
- Remove pmac_low_i2c_{lock,unlock}()
- Enable all windfarms by default
- fix dead default for GUEST_STATE_BUFFER_TEST
- Remove redundant preempt_disable|enable() calls from arch_irq_work_raise()
Thanks to:
Aboorva Devarajan, Ally Heev, Amit Machhiwal, Bart Van Assche, Christophe
Leroy, Christophe Leroy (CS GROUP), Dan Carpenter, Gautam Menghani, Harsh
Prateek Bora, Julian Braha, Krzysztof Kozlowski, Linus Walleij, Ma Ke, Ritesh
Harjani (IBM), Sayali Patil
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Merge tag 'powerpc-7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Madhavan Srinivasan:
- Fix preempt count leak in sysfs show paths
- Fix error handling in pika_dtm_thread
- Remove pmac_low_i2c_{lock,unlock}()
- Enable all windfarms by default
- Fix dead default for GUEST_STATE_BUFFER_TEST
- Remove redundant preempt_disable|enable() calls from
arch_irq_work_raise()
Thanks to Aboorva Devarajan, Ally Heev, Amit Machhiwal, Bart Van Assche,
Christophe Leroy, Christophe Leroy (CS GROUP), Dan Carpenter, Gautam
Menghani, Harsh Prateek Bora, Julian Braha, Krzysztof Kozlowski, Linus
Walleij, Ma Ke, Ritesh Harjani (IBM), and Sayali Patil
* tag 'powerpc-7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/time: Remove redundant preempt_disable|enable() calls from arch_irq_work_raise()
powerpc/hv-gpci: fix preempt count leak in sysfs show paths
powerpc: fix dead default for GUEST_STATE_BUFFER_TEST
powerpc/powermac: Remove pmac_low_i2c_{lock,unlock}()
powerpc/warp: Fix error handling in pika_dtm_thread
powerpc: 82xx: fix uninitialized pointers with free attribute
powerpc/g5: Enable all windfarms by default
|
||
|
Linus Torvalds
|
b6a08b017f |
sound fixes for 7.1-rc4
A collection of small fixes. All device-specific small changes.
* HD-audio:
- Fix NULL pointer dereference in snd_hda_ctl_add()
- ACPI and Kconfig fixes for Cirrus drivers
- A regression fix CA0132 codec
- Various device-specific quirks for HP, Lenovo, Samsung, Framework,
etc
- Documentation path fix
* USB-audio:
- Boundary checks for MIDI endpoint descriptors
- Offload mapping error handling for Qualcomm
- A new device quirk for TTGK Technology USB-C Audio
- A fix for Focusrite Scarlett2 mixer
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Merge tag 'sound-7.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes. All device-specific small changes:
HD-audio:
- Fix NULL pointer dereference in snd_hda_ctl_add()
- ACPI and Kconfig fixes for Cirrus drivers
- A regression fix CA0132 codec
- Various device-specific quirks for HP, Lenovo, Samsung, Framework etc
- Documentation path fix
USB-audio:
- Boundary checks for MIDI endpoint descriptors
- Offload mapping error handling for Qualcomm
- A new device quirk for TTGK Technology USB-C Audio
- A fix for Focusrite Scarlett2 mixer"
* tag 'sound-7.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/ca0132: Disable auto-detect on manual output select
ALSA: hda/realtek: Add mute LED quirk for HP Pavilion Laptop 16-ag0xxx
ALSA: hda/realtek: ALC269 fixup for Lenovo Yoga Pro 7 15ASH111 audio
ALSA: hda: Fix NULL pointer dereference in snd_hda_ctl_add()
ALSA: hda/realtek: Add quirk for Samsung Galaxy Book5 360 headphone
ALSA: hda/cs35l56: Drop malformed default N from Kconfig
ALSA: hda/realtek: fix mic boost on Framework PTL
ALSA: hda/realtek: Limit mic boost on Positivo DN50E
ALSA: doc: cs35l56: Update path to HDA driver source
ALSA: usb-audio: qcom: Check offload mapping failures
ALSA: hda/realtek: Fix Legion 7 16ITHG6 speaker amp binding
ALSA: usb-audio: Add iface reset and delay quirk for TTGK Technology USB-C Audio
ALSA: scarlett2: Add missing error check when initialise Autogain Status
ALSA: hda: cs35l41: Put ACPI device on missing physical node
ALSA: hda: cs35l56: Put ACPI device after setting companion
ALSA: usb-audio: Bound MIDI 2.0 endpoint descriptor scans
ALSA: usb-audio: Bound MIDI endpoint descriptor scans
ALSA: hda/realtek: Add codec SSID quirk for Lenovo Yoga Pro 9 16IMH9 (17aa:38d5)
|
||
|
Guenter Roeck
|
873e919e31 |
hwmon: (lm90) Add lock protection to lm90_alert
Sashiko reports:
lm90_alert() executes in the smbus alert context and calls
lm90_update_confreg() to disable the hardware alert line, without
acquiring hwmon_lock.
Concurrently, sysfs write operations (such as lm90_write_convrate) hold
the hwmon_lock, temporarily modify data->config, and then restore it.
If an alert interrupt occurs concurrently with a sysfs write, the sysfs
path will overwrite the alert handler's modifications to data->config
and the hardware register.
This unintentionally re-enables the hardware alert line while the alarm is
still active, causing an interrupt storm.
Add the missing lock to lm90_alert() to solve the problem.
Fixes:
|
||
|
Guenter Roeck
|
b09a456010 |
hwmon: (lm90) Stop work before releasing hwmon device
Sashiko reports:
In lm90_probe(), the devm action to cancel the alert_work and report_work
(lm90_restore_conf) is registered in lm90_init_client() before
devm_hwmon_device_register_with_info() is called.
Because devm executes cleanup actions in reverse order during module
unbind or probe failure, the hwmon device is unregistered and freed first.
If lm90_alert_work() or lm90_report_alarms() runs in the window between
the hwmon device being freed and the delayed works being cancelled,
lm90_update_alarms() will dereference the freed data->hwmon_dev here.
Fix the problem by canceling the workers separately after registering
the hwmon device and before registering the interrupt handler. This ensures
that the workers are canceled after interrupts are disabled and before
the hwmon device is released. Add "shutdown" flag to indicate that device
shutdown is in progress to prevent workers from being re-armed.
Fixes:
|
||
|
Linus Torvalds
|
6916d5703d |
drm fixes for 7.1-rc4
core: - fix for the fix for the handle change race. ttm: - avoid infinite loop in swap out - avoid infinite loop in BO shrinking - convert -EAGAIN from dmem_cgroup_try_charge to -ENOSPC bridge: - imx8qxp-pxl2dpi: avoid ERR_PTR with device_node cleanup i915: - Skip __i915_request_skip() for already signaled requests - Fix VSC dynamic range signaling for RGB formats [dp] xe: - Madvise fix around purgeability tracking - Restore engine mask for specific blitter style - Couple UAF fixes - Drop unused ggtt_balloon field amdgpu: - Userq fixes - DCN 3.2 fix - RAS fix - GC 12 fix gma500: - oaktrail_lvds: fix i2c handling loongson: - use managed cleanup for connector polling panfrost: - handle results from reservation locking correctly qaic: - check for integer overflows in mmap logic rocket: - handle results from reservation locking correctly -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmoHsAcACgkQDHTzWXnE hr4J9Q/+IgTlh6a9M3U5uW8ndgWnKGkrNvww8R7V02eaosbDRnDMUrEvKLwMtjri qN5RokRviiWXkn6a1RI6X/rgLpKHSN5IXSENFwkGZfYLv7b14v3il+6xbGbhvkd5 JhZHxXg5GW/o2bx/CZzHrgfk0DtL8oiO+08m3gtp47/KHmZJtghKsepXUnRPIFms iujS0jsGbsKfBMgtWG/en+iJM2bEnBOElOMGDqJvmz+5id81OgKbq7ceHXvN4p7O 2AZjiL4IvQkpSyX9cRGlLQS/zpl59Ee1LEb8zptUAZx3d1taRjf7dkEPHMCVKFjz sLsbNpask6z/2wJlveAfbdkQ7ImmBtWioOAkVmulYxWaUfG829piC4KZtMtXThfc acyr2hdTPvTjt/iaaRqoCipdAw/YNCo6IsBpx+r8JynVVmFxh+PFFkdwGJ3piz6F LiZgPmn+NFnmL8cCHuOqtit1ySMai3mbnuqyctGxRi4XwG2X5otl8upyPXXirnUM AxLPzmXXtfk3X8xGRwtO+Cp9mrCuesVab9FOKTs78oUb1jTJYG0oBj6FmjNUgniz VxpqiAG0xTyRVVrrnAvbFscbsV8A5k4tGCFAdGr4LhbNfvir57W9LUU0Bv+ZNwnz 2dojMfuUmInEbXSjqWbkRAmsUa3EO0JLp4u3ousDLrqrFMD6fmU= =eHJD -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2026-05-16' of https://gitlab.freedesktop.org/drm/kernel Pull drm fixes from Dave Airlie: "Weekly fixes pull, small and all over fixes, mostly xe and amdgpu, with some ttm and a core fix for the handle change pain. core: - fix for the fix for the handle change race ttm: - avoid infinite loop in swap out - avoid infinite loop in BO shrinking - convert -EAGAIN from dmem_cgroup_try_charge to -ENOSPC bridge: - imx8qxp-pxl2dpi: avoid ERR_PTR with device_node cleanup i915: - Skip __i915_request_skip() for already signaled requests - Fix VSC dynamic range signaling for RGB formats [dp] xe: - Madvise fix around purgeability tracking - Restore engine mask for specific blitter style - Couple UAF fixes - Drop unused ggtt_balloon field amdgpu: - Userq fixes - DCN 3.2 fix - RAS fix - GC 12 fix gma500: - oaktrail_lvds: fix i2c handling loongson: - use managed cleanup for connector polling panfrost: - handle results from reservation locking correctly qaic: - check for integer overflows in mmap logic rocket: - handle results from reservation locking correctly" * tag 'drm-fixes-2026-05-16' of https://gitlab.freedesktop.org/drm/kernel: (26 commits) drm: Replace old pointer to new idr drm/loongson: Use managed KMS polling drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure drm/ttm: Convert -EAGAIN from dmem_cgroup_try_charge to -ENOSPC drm/gma500/oaktrail_lvds: fix i2c adapter leaks on init drm/gma500/oaktrail_lvds: fix hang on init failure drm/gma500/oaktrail_hdmi: fix i2c adapter leak on setup drm/xe: Drop unused ggtt_balloon field accel/qaic: Add overflow check to remap_pfn_range during mmap drm/i915/dp: Fix VSC dynamic range signaling for RGB formats drm/i915: skip __i915_request_skip() for already signaled requests drm/bridge: imx8qxp-pxl2dpi: avoid ERR_PTR with device_node cleanup drm/amdgpu/gfx_v12_0: set gfx.rs64_enable from PFP header on GFX12 drm/amd/ras: Fix CPER ring debugfs read overflow drm/amd/display: Wrap DCN32 phantom-plane allocation in DC_RUN_WITH_PREEMPTION_ENABLED drm/amdgpu: fix userq hang detection and reset drm/amdgpu: remove almost all calls to amdgpu_userq_detect_and_reset_queues drm/amdgpu: rework amdgpu_userq_signal_ioctl v3 drm/amdgpu: remove deadlocks from amdgpu_userq_pre_reset drm/xe/dma-buf: fix UAF with retry loop ... |
||
|
Edward Adam Davis
|
dc366607c4 |
drm: Replace old pointer to new idr
Commit |
||
|
Linus Torvalds
|
36343a8ff3 |
arm64 MPAM fixes:
- Fix NULL dereference and a false-positive warning when the driver
probes hardware with surprising version numbers
- Fix writing values to the wrong registers when probing
cache-utilisation counters. Replace 'NRDY' probing with a version
that is robust for platforms where the bit is writeable by both
hardware and software
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 MPAM fixes from Catalin Marinas:
- Fix NULL dereference and a false-positive warning when the driver
probes hardware with surprising version numbers
- Fix writing values to the wrong registers when probing
cache-utilisation counters. Replace 'NRDY' probing with a version
that is robust for platforms where the bit is writeable by both
hardware and software
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm_mpam: Check whether the config array is allocated before destroying it
arm_mpam: Fix false positive assert failure during mpam_disable()
arm_mpam: Improve check for whether or not NRDY is hardware managed
arm_mpam: Pretend that NRDY is always hardware managed
arm_mpam: Fix monitor instance selection when checking for hardware NRDY
|
||
|
Linus Torvalds
|
30e0ff6d6a |
IOMMU Fixes for Linux v7.1-rc3:
Including:
- AMD-Vi:
- Add bounds checks to debugfs and table lookups
- Intel VT-d:
- Apply an existing quirk for Q35 graphic device.
- Skip dev_pasid teardown for the blocked domain to avoid out-of-bounds
access.
- Return early if dev_pasid is missing to prevent NULL dereference or
UAF.
- Core:
- Fix bugs and corner cases in the pci_dev_reset_iommu_prepare/done()
code. This are some bigger changes including some re-work,
hopefully okay for -rc.
- Fix various issues found by AI in iommupt code.
- MAINTAINERS email address update for RISCV IOMMU.
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Merge tag 'iommu-fixes-v7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu fixes from Joerg Roedel:
"This is probably the largest fixes pull-request ever sent for IOMMU. I
partially blame it on AI code review which found some issues but there
is also some rework in here to fix issues in the iommu parts of PCI
device reset.
AMD-Vi:
- Add bounds checks to debugfs and table lookups
Intel VT-d:
- Apply an existing quirk for Q35 graphic device
- Skip dev_pasid teardown for the blocked domain to avoid
out-of-bounds access
- Return early if dev_pasid is missing to prevent NULL dereference
or UAF
Core:
- Fix bugs and corner cases in pci_dev_reset_iommu_prepare/done()
- Fix various issues found by AI in iommupt code
MAINTAINERS email address update for RISCV IOMMU"
* tag 'iommu-fixes-v7.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
MAINTAINERS: update Tomasz Jeznach's email address
iommupt: Fix the end_index calculation in __map_range_leaf()
iommupt: Check for missing PAGE_SIZE in the pgsize_bitmap
iommu: Handle unmap error when iommu_debug is enabled
iommu: Fix up map/unmap debugging for iommupt domains
iommu: Fix loss of errno on map failure for classic ops
iommu/vt-d: Avoid NULL pointer dereference or refcount corruption
iommu/vt-d: Fix oops due to out of scope access
iommu/vt-d: Disable DMAR for Intel Q35 IGFX
iommu: Warn on premature unblock during DMA aliased sibling reset
iommu: Fix WARN_ON in __iommu_group_set_domain_nofail() due to reset
iommu: Fix ATS invalidation timeouts during __iommu_remove_group_pasid()
iommu: Fix nested pci_dev_reset_iommu_prepare/done()
iommu: Fix pasid attach in pci_dev_reset_iommu_prepare/done()
iommu: Replace per-group resetting_domain with per-gdev blocked flag
iommu: Fix kdocs of pci_dev_reset_iommu_done()
iommu: Fix NULL group->domain dereference in pci_dev_reset_iommu_done()
iommu/amd: Bounds-check devid in __rlookup_amd_iommu()
iommu/amd: Remove latent out-of-bounds access in IOMMU debugfs
|
||
|
Linus Torvalds
|
3bf83e47b4 |
VFIO fixes for v7.1-rc4
- Convert vfio-pci BAR resource requests and iomaps initialization
from a lazy, on-demand model to an eager pre-allocation model to
avoid races while preserving legacy error behavior. Fix unchecked
barmap access in dma-buf export path. (Matt Evans)
- Introduce an implicit unsigned cast in converting vfio-pci device
offsets to region indexes, closing a potential out-of-bounds
access through the vfio_pci_ioeventfd() interface. (Matt Evans)
- Fix a dma-buf kref underflow and stuck wait_for_completion() when
closing a previously revoked dma-buf. (Alex Williamson)
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Merge tag 'vfio-v7.1-rc4' of https://github.com/awilliam/linux-vfio
Pull VFIO fixes from Alex Williamson:
- Convert vfio-pci BAR resource requests and iomaps initialization
from a lazy, on-demand model to an eager pre-allocation model to
avoid races while preserving legacy error behavior. Fix unchecked
barmap access in dma-buf export path (Matt Evans)
- Introduce an implicit unsigned cast in converting vfio-pci device
offsets to region indexes, closing a potential out-of-bounds
access through the vfio_pci_ioeventfd() interface (Matt Evans)
- Fix a dma-buf kref underflow and stuck wait_for_completion() when
closing a previously revoked dma-buf (Alex Williamson)
* tag 'vfio-v7.1-rc4' of https://github.com/awilliam/linux-vfio:
vfio/pci: Check BAR resources before exporting a DMABUF
vfio/pci: Set up BAR resources and maps in vfio_pci_core_enable()
vfio/pci: Make VFIO_PCI_OFFSET_TO_INDEX() return unsigned
vfio/pci: fix dma-buf kref underflow after revoke
|
||
|
Dave Airlie
|
396db75a1f |
Short summary of fixes pull:
bridge: - imx8qxp-pxl2dpi: avoid ERR_PTR with device_node cleanup gma500: - oaktrail_lvds: fix i2c handling loongson: - use managed cleanup for connector polling panfrost: - handle results from reservation locking correctly qaic: - check for integer overflows in mmap logic rocket: - handle results from reservation locking correctly ttm: - avoid infinite loop in swap out - avoid infinite loop in BO shrinking - convert -EAGAIN from dmem_cgroup_try_charge to -ENOSPC -----BEGIN PGP SIGNATURE----- iQFPBAABCgA5FiEEchf7rIzpz2NEoWjlaA3BHVMLeiMFAmoGxjYbFIAAAAAABAAO bWFudTIsMi41KzEuMTIsMiwyAAoJEGgNwR1TC3ojEAUH/3nCZQGCQuVsBqomGkbB ZAKFay0ulKAJRByAiZOMLCfneg7oqhhcvEbOqTE+y6OzFX7H/7bKgOSmGyOFikWY woDOBX7iKMNCaLVgyXA365bpEhMBSCb4nCN2Aj0V5x3LtXpEcYe8oOo6nT3sLmeZ GaZXGXNo1oyVs8rryDSGtrYeOzw+kTeOHeUTapGpO4M8dUhhk0htNsBUp8gLS6Uc OuoIn0v3J/H/lFj4KrKHBxWpcQGl2UQSBW9shhA9+iGRz2HRjHSZWouWR98VbB7C TzNODcUt7XVh38G1BceNnjShmq0EjA05BMsBQUP8dj9E78ZTiuM+pyl3ZW097EkP hpk= =VrvD -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2026-05-15' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes Short summary of fixes pull: bridge: - imx8qxp-pxl2dpi: avoid ERR_PTR with device_node cleanup gma500: - oaktrail_lvds: fix i2c handling loongson: - use managed cleanup for connector polling panfrost: - handle results from reservation locking correctly qaic: - check for integer overflows in mmap logic rocket: - handle results from reservation locking correctly ttm: - avoid infinite loop in swap out - avoid infinite loop in BO shrinking - convert -EAGAIN from dmem_cgroup_try_charge to -ENOSPC Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patch.msgid.link/20260515070816.GA88575@2a02-2455-9062-2500-7dec-552d-233d-9fe0.dyn6.pyur.net |