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1468510 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
1d7443e4dc |
fscrypt updates for 7.3
The main change this cycle is a significant simplification that's been
overdue for a while now: standardizing on a single file contents
encryption implementation in ext4 and f2fs, instead of having two.
Specifically, the original filesystem-layer file contents encryption
implementation is removed, and the blk-crypto implementation is now
used unconditionally. blk-crypto delegates either to inline crypto
hardware or to the CPU via blk-crypto-fallback. The latter is
functionally equivalent to the original filesystem-layer code.
The blk-crypto implementation already existed, but previously it was
used only when the filesystem was mounted with "-o inlinecrypt". Now,
"-o inlinecrypt" just selects whether inline crypto hardware is used.
To allow maintaining that user control over hardware use, the
blk-crypto API is extended with a new flag BLK_CRYPTO_CFG_ALLOW_HW.
Overall, this removes quite a bit of redundant code from ext4, f2fs,
and fs/crypto/. It should make things easier for ongoing filesystem
efforts such as iomap support, large folios, and btrfs encryption.
(btrfs had already been planning to use blk-crypto exclusively.)
There are two small behavior changes of note:
- Direct I/O now works on encrypted files even without
"-o inlinecrypt", rather than falling back to buffered I/O. This is
effectively a bugfix, though I'll continue to keep an eye out for
any user that may have been depending on the buffered I/O fallback.
- IV_INO_LBLK_32 policies are no longer supported in certain cases
that didn't make sense and have no known uses.
This has been in linux-next since July 22 with no reported issues.
All encryption xfstests pass on ext4 and f2fs. As usual I've also been
using it on a system with an fscrypt-encrypted home directory. Of
course, the blk-crypto code paths also aren't new and were already
being used on many systems via the inlinecrypt mount option.
In addition to the main change described above, there are a few other
cleanups such as using lock guards for mutexes, improving
documentation, and removing a workaround for outdated gcc versions.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux
Pull fscrypt updates from Eric Biggers:
"The main change this cycle is a significant simplification that's been
overdue for a while now: standardizing on a single file contents
encryption implementation in ext4 and f2fs, instead of having two.
Specifically, the original filesystem-layer file contents encryption
implementation is removed, and the blk-crypto implementation is now
used unconditionally. blk-crypto delegates either to inline crypto
hardware or to the CPU via blk-crypto-fallback. The latter is
functionally equivalent to the original filesystem-layer code.
The blk-crypto implementation already existed, but previously it was
used only when the filesystem was mounted with "-o inlinecrypt". Now,
"-o inlinecrypt" just selects whether inline crypto hardware is used.
To allow maintaining that user control over hardware use, the
blk-crypto API is extended with a new flag BLK_CRYPTO_CFG_ALLOW_HW.
Overall, this removes quite a bit of redundant code from ext4, f2fs,
and fs/crypto/. It should make things easier for ongoing filesystem
efforts such as iomap support, large folios, and btrfs encryption
(btrfs had already been planning to use blk-crypto exclusively.)
There are two small behavior changes of note:
- Direct I/O now works on encrypted files even without "-o inlinecrypt",
rather than falling back to buffered I/O. This is effectively a
bugfix, though I'll continue to keep an eye out for any user that
may have been depending on the buffered I/O fallback.
- IV_INO_LBLK_32 policies are no longer supported in certain cases
that didn't make sense and have no known uses.
This has been in linux-next since July 22 with no reported issues. All
encryption xfstests pass on ext4 and f2fs. As usual I've also been
using it on a system with an fscrypt-encrypted home directory. Of
course, the blk-crypto code paths also aren't new and were already
being used on many systems via the inlinecrypt mount option.
In addition to the main change described above, there are a few other
cleanups such as using lock guards for mutexes, improving
documentation, and removing a workaround for outdated gcc versions"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux: (29 commits)
blk-crypto: Update docs for blk-crypto-fallback motivation
blk-crypto: Remove unused function blk_crypto_config_supported()
fscrypt: Update docs for data path
fscrypt: Remove unused function fscrypt_finalize_bounce_page()
f2fs: Update outdated comment in f2fs_write_begin()
fs: Update outdated comment for SB_INLINECRYPT
fscrypt: Update encryption policy version docs
fscrypt: Replace some variable-size memsets with fixed-size
fscrypt: Add safety checks to non-block-based en/decryption
fscrypt: Merge bio.c and inline_crypt.c into block.c
fscrypt: Remove unused functions and workqueue
fscrypt: Remove fs-layer zeroout code
fscrypt: Remove fscrypt_dio_supported()
fscrypt: Replace calls to fscrypt_inode_uses_inline_crypto()
fs/buffer: Remove fs-layer decryption code
f2fs: Remove fs-layer file contents en/decryption code
ext4: Further de-generalize the bio postprocessing code
ext4: Make ext4_bio_write_folio() return void
ext4: Remove fs-layer file contents en/decryption code
Documentation: fscrypt: Update docs for inlinecrypt
...
|
||
|
Linus Torvalds
|
63c070cba0 |
nilfs2 updates for v7.3
- nilfs2: standardize the inode number type to u64
- nilfs2: enhance btree node keys check
- nilfs2: suppress false positive WARN_ONs for sufile after an FS error
- nilfs2: fix BUG in nilfs_copy_dirty_pages() on dirty state mismatch
- nilfs2: prevent out-of-bounds read in super root block parsing
- nilfs2: fix infinite loop in nilfs_clean_segments()
- nilfs2: fix slab-out-of-bounds in nilfs_direct_propagate after truncation
- Documentation: fix grammar in description of nilfs2 recovery code
- nilfs2: handle corrupted checkpoint count gracefully during deletion
- nilfs2: reject invalid block index in GC ioctl
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Merge tag 'nilfs2-v7.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/nilfs2
Pull nilfs2 updates from Viacheslav Dubeyko:
"This contains fixes of syzbot reported issue and various fixes in
NILFS2 functionality:
- Reject super-root inode sizes whose computed on-disk footprint
exceeds the filesystem block size (David Lee)
- Replace WARN_ON() in nilfs_cpfile_delete_checkpoints() with
returning -EIO and reporting a filesystem error via nilfs_error()
in the case of corrupted checkpoint count on the storage medium
(Igor Putko)
- Fixed a potential infinite loop in nilfs_clean_segments() reported
by syzbot (Joshua Crofts)
In nilfs_clean_segments(), if err is non-zero, logic logs the error
and sleeps but doesn't abort when it encounters a terminal error
like -EROFS. This causes the thread to loop forever.
Fix this by breaking out of the loop if nilfs_segctor_construct()
returns -EROFS.
- Fix small grammar mistake in the description for nilfs2 recovery
code (Manoj K M)
- Multiple fixes by Ryusuke Konishi:
- fix the list corruption issue recently detected by syzbot, that
can occur when out-of-range values are intentionally passed to
certain GC ioctl parameters
- fix a flaw in the original B-tree implementation related to
truncation and resolves the reported out-of-bounds memory
access issue
- fix an issue reported by syzbot where a kernel BUG could be
triggered depending on timing after filesystem corruption is
detected
- fix an issue where a WARN_ON check is triggered by sufile
functions within the log writer after the filesystem degrades
to read-only mode
- Check for sorted keys when reading btree node blocks into the cache
(Wang Jianjian)
This prevents unexpected errors during the block number assignment
phase in log writing caused by key order inconsistencies, as well
as the kernel warnings reported by syzbot"
* tag 'nilfs2-v7.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/nilfs2:
nilfs2: standardize the inode number type to u64
nilfs2: enhance btree node keys check
nilfs2: suppress false positive WARN_ONs for sufile after an FS error
nilfs2: fix BUG in nilfs_copy_dirty_pages() on dirty state mismatch
nilfs2: prevent out-of-bounds read in super root block parsing
nilfs2: fix infinite loop in nilfs_clean_segments()
nilfs2: fix slab-out-of-bounds in nilfs_direct_propagate after truncation
Documentation: fix grammar in description of nilfs2 recovery code
nilfs2: handle corrupted checkpoint count gracefully during deletion
nilfs2: reject invalid block index in GC ioctl
|
||
|
Linus Torvalds
|
0de672c7e1 |
hfs/hfsplus updates for v7.3
- hfsplus: validate extent record length before writing it back
- hfsplus: validate B-tree record offset table
- hfs: rework MDB locking scheme
- fs: hfsplus: remove redundant NULL check before kfree()
- hfs: port HFS+ b-tree bitmap corruption check
- hfs: don't re-dirty MDB buffers after a write failure
- hfsplus: fix error code when writing beyond volume capacity
- hfs: fix error code when writing beyond volume capacity
- hfsplus: validate thread record before delete key rebuild
- hfs: validate catalog CNIDs before instantiating inodes
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Merge tag 'hfs-v7.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/hfs
Pull HFS updates from Viacheslav Dubeyko:
"This contains several fixes in HFS/HFS+ of syzbot reported issues and
HFS/HFS+ fixes of xfstests failures.
- b-tree bitmap corruption check (Aditya Prakash Srivastava)
During b-tree open (hfs_btree_open()), the code verifies that the
allocation map bit for the tree header (node 0) is set. If not, it
indicates a corrupted map record/bitmap and mounts the volume as
read-only (SB_RDONLY) to prevent further damage.
- Validate catalog CNIDs before instantiating inodes (David
Maximiliano Hermitte)
The hfs_cat_find_brec() first resolves a catalog thread record by
CNID and then looks up the corresponding catalog record by
parent/name. On a corrupted filesystem image, the second lookup may
find a record whose CNID does not match the CNID that was
requested. Finally, corrupted catalog records are rejected.
- Validate B-tree record offset table (Jiaming Zhang)
A crafted HFS+ image can contain a corrupted B-tree node. The node
descriptor may contain a record count that does not fit in the
node, and record offsets may be unordered, unaligned, outside the
node, or point into the offset table itself. Validate num_recs
against the node size before walking the record offset table.
Reject record ranges that are unordered, unaligned, outside the
node, or overlapping the offset table. Reject invalid record
indexes before reading their offset entries, and avoid decrementing
an already-zero leaf_count.
- Refactoring of hfsplus_delete_cat() logic (Kyle Zeng).
The hfsplus_delete_cat() is called with str == NULL when the last
open reference to an unlinked HFS+ hardlink backing inode is
closed. In that case, the function finds the catalog thread by CNID
and rebuilds the catalog key from thread.nodeName. A corrupted
image can therefore provide an oversized thread name length and
make hfs_bnode_read() write past the catalog search-key allocation.
Read the CNID record through hfsplus_brec_read_cat(), which bounds
the record read to sizeof(hfsplus_cat_entry) and verifies that a
thread record's size exactly matches nodeName.length.
- Cleanup in KUnit test (Mohammad Shahid)
The kfree() safely handles NULL pointers, so the explicit NULL
check in free_mock_str_env() before calling kfree() is unnecessary.
The rest contain fixes of generic/564 xfstests' test-case failure
for the case of HFS+ file system, syzbot reported issue in
hfs_mdb_commit() and hfs_mdb_close() methods of HFS file system,
and reworking the MDB locking scheme in HFS file system"
* tag 'hfs-v7.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/vdubeyko/hfs:
hfsplus: validate extent record length before writing it back
hfsplus: validate B-tree record offset table
hfs: rework MDB locking scheme
fs: hfsplus: remove redundant NULL check before kfree()
hfs: port HFS+ b-tree bitmap corruption check
hfs: don't re-dirty MDB buffers after a write failure
hfsplus: fix error code when writing beyond volume capacity
hfs: fix error code when writing beyond volume capacity
hfsplus: validate thread record before delete key rebuild
hfs: validate catalog CNIDs before instantiating inodes
|
||
|
Linus Torvalds
|
4bb187d6f3 |
gfs2 changes
- Don't cache unreferenced glocks: when a glock is no longer referenced (for example, because the inode it protects is evicted), it is now released as soon as possible instead of leaving it around until memory pressure or an unmount forces it out. For some workloads, this saves a lot of memory and speeds up unmounts significantly. - Harden gfs2_glock_hold() by making sure the caller holds a reference and fix a related race in checking for the liveliness of glocks between gdlm_bast() and gfs2_glock_cb(). -----BEGIN PGP SIGNATURE----- iQJIBAABCgAyFiEEJZs3krPW0xkhLMTc1b+f6wMTZToFAmqC7e8UHGFncnVlbmJh QHJlZGhhdC5jb20ACgkQ1b+f6wMTZTql+A/+OLEPtizpJ6k/uqk7+I63D0xYakK5 GMWCPPf5C9fernW57cF/p0TfRRDUKqKOrb+mKkJuPBMSfEZIldKOmYQx6U/kvXIF 6hdtRfAvVBjIs1aY+P/dliRXfzvO1HVamPsu7dx7NdTnozJz2tv/spNQ2cZV5tQD 2t6VovUzje+U7x7Qsz3EhN/po1aNBlXlzWtvF/r7uwAtiYfXaknJkr8cjo202w0Y fAQ5KRZA5EiN1Fc1d6V7ehYyzv31osmaQA9Bsf7NVlpnBPG1LyibYWzFF4zg1pDo 9JU4tcD9IpIALwYkGFFcG1qutjq0E2QKqeYgaIau94ezQnTY+q1zQQDiixyoHxHu 2AHMIcbUzEKHib+pYWtSy5GLgeTI59+hxFe9tOERhjHGDW8fYbqQTV969S84bYTm +Ar04VsbToMdjYSh5I+FPLQbKwfetKjDIlKSYeZzMOfGEqpJtoU9lB8WbvP/2LcQ c5hJfJcV7JWW9j4YZZIZuwzZv93CstBvFubKpktMw0x9utGc6a7M+f9eADYnd3JH l7yb+dyjUeYeIqEbALsfnxicuoiYfVKNVxh/zdz4TJEYDH1l/CyBIirLsSAVTAJl ruCT13akq5e+EXGOztcIXyU39l/ajJA0v58n9gzEzMakTwpyCTwx7WcooILf1aem P1QRnAoud8FoAYk= =U72j -----END PGP SIGNATURE----- Merge tag 'gfs2-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 Pull gfs2 updates from Andreas Gruenbacher: - Don't cache unreferenced glocks: when a glock is no longer referenced (for example, because the inode it protects is evicted), it is now released as soon as possible instead of leaving it around until memory pressure or an unmount forces it out. For some workloads, this saves a lot of memory and speeds up unmounts significantly. - Harden gfs2_glock_hold() by making sure the caller holds a reference and fix a related race in checking for the liveliness of glocks between gdlm_bast() and gfs2_glock_cb(). * tag 'gfs2-for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: gfs2: harden gfs2_glock_hold gfs2: Remove the glock lru list and shrinker gfs2: Skip dlm unlocks earlier gfs2: Don't cache unreferenced glocks gfs2: Enable automatic glock hash table shrinking |
||
|
Linus Torvalds
|
cf07e82984 |
xfs: new patches for Linux 7.3
Signed-off-by: Carlos Maiolino <cem@kernel.org> -----BEGIN PGP SIGNATURE----- iJUEABMJAB0WIQSmtYVZ/MfVMGUq1GNcsMJ8RxYuYwUCaoK4XwAKCRBcsMJ8RxYu Y13uAX9yjOxdb5XA8FSEqu18n4oLn4XCC0DIIEzraKqdmL5X2jWzkwQsAEtGY75S QhDAqtcBgN1vjQyHfhQQsnFPk2M+0qEUevr53VNGF382UNtYISws2uoHWfV+gJ/M qkHyJJ9oPg== =IKKx -----END PGP SIGNATURE----- Merge tag 'xfs-merge-7.3' of git://git.kernel.org:/pub/scm/fs/xfs/xfs-linux Pull xfs updates from Carlos Maiolino: "There are no big standing out features on this window, so this mostly consists on bug fixes and code refactoring. The only user visible change that stands out is the support for FALLOC_FL_WRITE_ZEROES added to this" * tag 'xfs-merge-7.3' of git://git.kernel.org:/pub/scm/fs/xfs/xfs-linux: (23 commits) xfs: validate attr entry pointer before field access xfs: check split_sectors validity before bio_split call xfs: use file target for post-log fsync fallback flush xfs: restore nofs context unconditionally in xfs_trans_roll xfs: add lockless xfs_buf_readahead_map fast path xfs: move buffer locking out of xfs_find_get_buf xfs: merge xfs_buf_reverify into xfs_buf_read_map xfs: use goto based error unwinding in xfs_buf_read_map xfs: don't reverify buffers in xfs_buf_readahead_map xfs: use WRITE_ONCE to update b_flags xfs: hide b_flags manipulation from code outside of xfs_buf.c xfs: remove _XBF_LOGRECOVERY xfs: remove spurious XBF_DONE clearing on readahead validation failure xfs: split out a lower-level xfs_buf_get_map helper from xfs_find_get_buf xfs: consolidate buffer locking in xfs_buf_get_map xfs: don't get a pag reference in xfs_buf_get_map xfs: use kmalloc_objs() instead of kmalloc() in xfs_da_grow_inode_int xfs: mark internal metadir file creation helpers static xfs: create rtgroup metadir inodes using xfs_metadir_create_file xfs: create quota metadir inodes using xfs_metadir_create_file ... |
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Linus Torvalds
|
ff68e5f557 |
vfs-7.3-rc1.sync
Please consider pulling these changes from the signed vfs-7.3-rc1.sync tag.
Thanks!
Christian
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Merge tag 'vfs-7.3-rc1.sync' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs writeback updates from Christian Brauner:
"This makes sync_inode_metadata() and writeback_single_inode() persist
not only the inode but all metadata associated with it.
A new .sync_inode_metadata superblock operation is called from
__writeback_single_inode(). Alongside it a new I_METADATA_WRITEBACK
state flag is added.
Filesystems no longer need their own mmb_fsync() implementations and
can just use simple_fsync(). All metadata is now written for IS_SYNC
and IS_DIRSYNC inodes. Races where several fsyncs raced and mmb_sync()
could return before all buffers were really persisted are fixed since
I_SYNC now serializes properly.
The I_METADATA_WRITEBACK scheme also fixes the case where a
WB_SYNC_NONE writeback landing between write(2) and fsync(2) left
fsync(2) failing to persist the inode. That problem is not specific to
filesystems using the generic metadata bh tracking, and the ones that
do not are left alone.
ext2, udf, bfs, minix, fat and ext4 in nojournal mode have their data
integrity writeout fixed and are converted. affs drops metadata bh
tracking and mmb_fsync() is removed.
A few other fixes came out of this:
- a UAF in mark_buffer_write_io_error()
- missed inode writeback when racing with __writeback_single_inode()
- ext4 allocating the mapping_metadata_bhs struct on demand
- three fat fixes: a lost inode update in do_msdos_rename() with
DIRSYNC, inode buffer write errors not propagating out of
fat_sync_inode_metadata() and directory entries not being
persisted on fsync(2) of the root directory"
* tag 'vfs-7.3-rc1.sync' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (24 commits)
writeback: Export __inode_attach_wb()
fat: Fix persisting directory entries on fsync(2) of the root directory
fat: Propagate inode buffer write errors from fat_sync_inode_metadata()
fat: Fix lost inode update in do_msdos_rename() with DIRSYNC
vfs: Remove mmb_fsync()
fat: Replace fat_sync_inode() with sync_inode_metadata()
fat: Fix missed inode writeback during fsync(2)
ext4: Fix data integrity writeout issues in nojournal mode
minix: Fix data integrity writeout issues
bfs: Fix data integrity writeout issues
udf: Fold udf_update_inode() into udf_write_inode()
udf: Use sync_inode_metadata() in udf_evict_inode()
udf: Drop udf_sync_inode()
udf: Use sync_inode_metadata() to writeout IS_SYNC inode
udf: Fix data integrity writeout issues
ext2: Fix data integrity writeout issues
ext2: Avoid unnecessary inode buffer writeback for sync(2)
ext2: Drop __ext2_write_inode()
ext2: Fix lost inode updates for IS_SYNC inodes
fs: Provide way for filesystem to wait for metadata writeback
...
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Linus Torvalds
|
1781f0b3d7 |
vfs-7.3-rc1.super
Please consider pulling these changes from the signed vfs-7.3-rc1.super tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJQAKCRCRxhvAZXjc oroBAP40BufiChnC6I9Ev79QWF+Pfri1r/3AR4xXRG4HkXQaYQD/YE+Ria3+Bt35 +tWU66cYlQ/+9LfU8DJ3KXm7jPUBiQA= =hXLH -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.super' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs superblock updates from Christian Brauner: - Make it possible to share a block device between multiple filesystems. erofs can mount read-only blob devices shared between many superblocks, but because we only tracked a single superblock a freeze, thaw, removal or sync on such a device was never propagated to all the superblocks using it, and there was no way to find them. Add an efficient table to lookup all superblocks using a given block device. - A bunch of pre-existing fixes fell out of this work: A block-device freeze racing a btrfs device change could leave the whole filesystem stuck frozen. A bdev_freeze() issued by "dmsetup suspend" or an LVM snapshot resolves that holder to freeze the filesystem. and bdev_thaw() resolves it again to thaw. A freeze landing while btrfs is adding, removing or replacing a device freezes the filesystem. The membership change then drops that link. So the matching thaw could no longer find the superblock. Forbid freezing a device for the duration of a membership change, modelled on deny_write_access()/allow_write_access(). * tag 'vfs-7.3-rc1.super' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (24 commits) super: fix dying superblock warning messages block: reject block device inodes with i_rdev == 0 in lookup_bdev() selftests/filesystems: add ustat() coverage fs: look up the superblock via the device table in user_get_super() super: make fs_holder_ops private f2fs: open via dedicated fs bdev helpers erofs: open via dedicated fs bdev helpers fs: tolerate per-superblock freeze errors on shared devices fs: look up superblocks via the device table in fs_holder_ops ext4: open via dedicated fs bdev helpers btrfs: open via dedicated fs bdev helpers xfs: port to fs_bdev_file_open_by_path() fs: add dedicated block device open helpers for filesystems fs: maintain a global device-to-superblock table ocfs2: don't reset s_dev on dismount ext4: use anonymous devices for KUnit test superblocks fs, block: move blk_mode_t and fop_flags_t into <linux/types.h> super: take lock after last reference count super: convert s_count to refcount_t s_passive btrfs: deny freezing devices undergoing a replace ... |
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Linus Torvalds
|
aaed66fadb |
vfs-7.3-rc1.ovl
Please consider pulling these changes from the signed vfs-7.3-rc1.ovl tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJQAKCRCRxhvAZXjc ok/9AQDpiRYIoLwnUa7URD92AQXBRQeSYFqicAqDqP3NpCUMwQD+IcmA1EtkfmaG ROdhiUJWe8TV5Ci1qNPXzoy1XRVhNQU= =xOj4 -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.ovl' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull overlayfs updates from Christian Brauner: "This lets the merged overlayfs mount itself be idmapped through mount_setattr(MOUNT_ATTR_IDMAP), in addition to the already supported idmapped lower and upper layers. The same overlay tree can then be exposed under a different ownership view. Overlayfs already normalizes every underlying id through the relevant layer idmap when ovl_copyattr() copies attributes into the overlay inode. So the overlay inode's i_uid and i_gid are overlay-final ids. The overlay mount idmap composes on top of that and is applied at the overlay-inode boundary only while the underlying layers keep being accessed with the mounter's credentials through their own (possibly idmapped) mounts. So this only changes how the caller sees the overlay inode and never widens the mounter's access to the layers. The second, mounter-credential check in ovl_permission() against the real inode stays on the layer idmap. Most paths need no change because the VFS applies the mount idmap to the overlay inode before overlayfs runs or after it returns at the syscall boundary. Overlayfs only has to change where it bypasses the generic path. This also included is a fix for a double end_creating() on the overlayfs casefold-mismatch path" * tag 'vfs-7.3-rc1.ovl' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: ovl: fix double end_creating() on the casefold-mismatch path ovl: document security.capability idmapping on the xattr forward paths selftests/filesystems/overlayfs: test idmapped overlay mounts selftests/filesystems/overlayfs: fix set_layers_via_fds link error docs: document idmapped overlay mounts ovl: allow idmapping overlay mounts ovl: handle idmapped mounts in ovl_set_acl() ovl: handle idmapped mounts in ovl_getattr() ovl: handle idmapped mounts in ovl_setattr() ovl: handle idmapped mounts in ovl_permission() ovl: handle idmapped mounts in ovl_create_object() and ovl_tmpfile() |
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Linus Torvalds
|
55668d04e3 |
vfs-7.3-rc1.netfs
Please consider pulling these changes from the signed vfs-7.3-rc1.netfs tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJQAKCRCRxhvAZXjc oq5VAPwLHEyDBJUM581Nsj9O7NnkSRhffjp4//Cp2jHRYkaR4wEAiceqF+rONVWK VYCyLEDSU5TPP9EeON95qSzq0khbswo= =kcGi -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull cachefiles ondemand removal from Christian Brauner: "This sunsets cachefiles ondemand mode. It was an effort to make fscache usable as a kernel cache for lazy pulling. EROFS over fscache was its only in-tree user. fscache has since become netfslib-oriented while EROFS never acts as a network filesystem and EROFS over fscache has been removed. So this cleans up the netfs, fscache and cachefiles side as well" * tag 'vfs-7.3-rc1.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: cachefiles,netfs: sunset ondemand mode |
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Linus Torvalds
|
c3d6d6dde3 |
vfs-7.3-rc1.mount
Please consider pulling these changes from the signed vfs-7.3-rc1.mount tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJQAKCRCRxhvAZXjc omDqAP9BOedYydQiJhviQggsX5IFfDfCa1semGokHPOsW9WKHwD+PJBHVLvvP/uU TmzBuX9zkDzPGEDcT7arcXjzKu8gLgY= =d1MF -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull mount updates from Christian Brauner: - Make the legacy mount API notify pollers of propagation changes. Changing propagation via change_mnt_propagation() or with MOVE_MOUNT_SET_GROUP update the propagation relationship of the target mount. But unlike mount_setattr() neither path touched the affected mount namespace. So pollers of /proc/<pid>/mountinfo were never woken. - Also remove a redundant panic() in mnt_init() * tag 'vfs-7.3-rc1.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: mount: remove redundant panic() in mnt_init() fs/namespace: notify pollers of legacy propagation changes |
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Linus Torvalds
|
1c3e8cef79 |
vfs-7.3-rc1.misc
Please consider pulling these changes from the signed vfs-7.3-rc1.misc tag.
Thanks!
Christian
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Merge tag 'vfs-7.3-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"Bigger cleanups:
- The lockref dead-count handling is tidied up.
The open-coded check for a count below zero as the dead marker
relies on information the caller should not have.
- make put_mnt_ns() leave mounts connected. Destroying a mount
namespace disconnected its mounts from their mount points. So a
file descriptor still open on the parent of a mount point could be
used to peek under it.
Locked mounts were already kept connected to prevent exactly that.
But a mount is only locked when its tree is copied across a user
namespace boundary. So a mount namespace set up by a privileged
component had no locked mounts and its mounts were disconnected.
Passing UMOUNT_CONNECTED keeps every mount connected and prevents
that bug.
- vfs_prepare_mode() passes S_IFDIR for directories. I meant to fix
that ago but didn't get to it. So now someone finally did it.
This kills the exception where the mode could be 0 when a directory
was created whereas every other creation operation passed it
explicitly already.
- move long delayed work for ufs, jffs2, hfsplus, hfs and affs from
the per-cpu system_long_wq to the new unbound system_dfl_long_wq.
None of that work relies on per-cpu state and the work item is
enqueued with queue_delayed_work() whose timer is global anyway. So
it may as well benefit from scheduler task placement.
Smaller fixes and cleanups:
- unlock_buffer() and journal_end_buffer_io_sync() use
clear_and_wake_up_bit()
- the pipe page pools are unified into a single per-pipe pool and the
extra wake_up(rd_wait) is limited to EPOLLET consumers
- eventpoll now computes its timer slack lazily in ep_poll()
- shrink_dcache_for_umount() keeps making progress on busy roots
- excess xarray nodes are freed in clear_inode()
- romfs detects hard link cycles
- the user path of nested backing files is fixed
- pidfd holds exec_update_lock around the namespace ioctl
- non-memcg-aware nr_cached_objects is skipped during memcg slab
shrink
- iomap_write_iter() always returns status
- mangle_path() is renamed to seq_mangle_path()
- inode timestamp accessors are annotated
- new regression test for pipe->poll_usage.
- a few documentation, kernel-doc and selftest fixes"
* tag 'vfs-7.3-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (67 commits)
selftests/namespaces: Fix racy pipe handshake in timens and pidns_separate
selftests/epoll: add a regression test for pipe->poll_usage
pipe: only enable the extra wake_up(rd_wait) for EPOLLET consumers
pidfd: hold exec_update_lock around namespace ioctl
fs: fix user path of nested backing files
fs: remove stale inode_insert5() kernel-doc parameter
fs: fix switch/case indentation in sysfs() syscall
fs: document semantics of kstat::{uid,gid} fields
dcache: keep shrink_dcache_for_umount() making progress on busy roots
seq_file: rename mangle_path to seq_mangle_path
nstree: add/fix struct ns_id_req kernel-doc member fields
dcache: use lockref routines for dead count checks
lockref: tidy up dead count handling
initramfs: fix typo in reserve_initrd_mem comment
fs/pipe: unify the page pools into a single per-pipe pool
fs: annotate inode timestamp accessors
eventpoll: compute timer slack lazily in ep_poll()
selftests/filesystems: add mntns cleanup test
put_mnt_ns(): leave mounts connected
affs: Move long delayed work on system_dfl_long_wq
...
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Linus Torvalds
|
ab5ed08f2d |
vfs-7.3-rc1.lookup
Please consider pulling these changes from the signed vfs-7.3-rc1.lookup tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJQAKCRCRxhvAZXjc ouj6AQCnBHstCt5RRimywLYU+eTmdKe203zRQYxXpwlYOAzm7wEAm1mIC7/Of6bD jkiJilcPDcyYcJsqwBw/Vcz5HR+v8wo= =TX6K -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.lookup' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs lookup updates from Christian Brauner: "This refactors lookup_open() and adds vfs_lookup_open() for nfsd. mnt_want_write() and parent locking are moved into lookup_open() itself. audit_inode_child() is also now called in lookup_open() on failure. That is the calling convention in vfs_create() and vfs_mkdir(), but lookup_open() made no such call when atomic_open() should have created a file and did not. And neither did the regular ->create() path fwiw. This also contains work to remove the unneeded excl argument from the ->create() inode op" * tag 'vfs-7.3-rc1.lookup' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: fs/namei.c: fix coding style in atomic_open() and lookup_open() fs/namei.c: fix kerneldoc of atomic_open() and vfs_lookup_open() fs/namei.c: update stale comments in lookup_open() Remove excl arg to ->create inode_operation fs/namei.c: update kerneldoc of atomic_open() vfs: call audit_inode_child() in lookup_open() on failure vfs: move create error && negative dentry case in lookup_open() up VFS: add vfs_lookup_open() for nfsd VFS: move delegated_inode retry loop into lookup_open() VFS: move mnt_want_write() and locking into lookup_open() |
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Linus Torvalds
|
fff0150b02 |
vfs-7.3-rc1.kthread
Please consider pulling these changes from the signed vfs-7.3-rc1.kthread tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJQAKCRCRxhvAZXjc ohHuAQCFeGhxqsb44KhuJaWXewiXbefr6eg31lXmxgSfg0DILAD/Tw/WmpiUbX5M H+/jh6NmLKnQ/ADjlWFRy3R1K1Il3w4= =jwPP -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.kthread' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull kthread vfs updates from Christian Brauner: "This stops kernel threads from sharing filesystem state with userspace. This work is about 3 cycles old and has been in -next for about that time. When the kernel boots init_task creates PID 1 and then kthreadd. From that point every kthread and PID 1 share the same fs_struct. That is why pivot_root() has to rewrite the fs_struct of all kthreads. The rewriting exists so that kthreads can use init's filesystem state when they want to. It also means userspace can move the ground out from under the kernel. PID 1 now gets a completely separate fs_struct. All kthreads are anchored in a private SB_KERNMOUNT instance of nullfs that cannot be mounted on and cannot be used to follow other mounts. Userspace init can no longer affect kthread filesystem state and kthreads can no longer affect userspace fs state without explicit opting in to that. Path lookup from a kthread now fails by default. It makes it deliberately hard to offload security sensitive operations into init's filesystem state from a kthread. Places that legitimately need to look something up there opt in through the new scoped_with_init_fs() which temporarily overrides the caller's fs_struct with init's. usermodehelpers remain the only kernel tasks that genuinely share init's filesystem state, since they execute random binaries in the root filesystem (excellent...). The visible result is that /proc/2/root is a nullfs with an empty mountinfo while /proc/1/root is the real root" * tag 'vfs-7.3-rc1.kthread' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (26 commits) initramfs_test: use test init/exit hooks to override init fs fs: stop rewriting paths for PF_EXITING | PF_DUMPCORE fs: stop rewriting kthread fs structs fs: start all kthreads in nullfs nullfs: make nullfs multi-instance devtmpfs: create private mount namespace fs: add umh argument to struct kernel_clone_args fs: stop sharing fs_struct between init_task and pid 1 af_unix: use scoped_with_init_fs() for coredump socket lookup initramfs: use scoped_with_init_fs() for rootfs unpacking pnfs/blocklayout: use scoped_with_init_fs() for SCSI device lookup ksmbd: use scoped_with_init_fs() for VFS path operations ksmbd: use scoped_with_init_fs() for filesystem info path lookup ksmbd: use scoped_with_init_fs() for share path resolution fs: use scoped_with_init_fs() for kernel_read_file_from_path_initns() coredump: use scoped_with_init_fs() for coredump path resolution btrfs: use scoped_with_init_fs() for update_dev_time() scsi: target: use scoped_with_init_fs() for APTPL metadata scsi: target: use scoped_with_init_fs() for ALUA metadata crypto: ccp: use scoped_with_init_fs() for SEV file access ... |
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Linus Torvalds
|
de03b17ec0 |
vfs-7.3-rc1.kfunc
Please consider pulling these changes from the signed vfs-7.3-rc1.kfunc tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJQAKCRCRxhvAZXjc oqBnAQDzCTHIa0wColluZLaFVuL4pvipQzC7tjUUQCwPmy85EwEA2cyeguEkNYJZ SK3m4z8kfuZjO2tEOig+XCkmtVrSMQQ= =6gwq -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.kfunc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs bpf access updates from Christian Brauner: "This adds a bpf_sock_read_xattr() kfunc so a BPF LSM program can read a user.* extended attribute from a socket's sockfs inode locklessly. userspace already uses user.* xattrs on sockets to implement socket rate limiting and to tag sockets for other purposes such as a varlink registry. There has been no efficient way for a BPF program to read those labels back. With this a listening socket marked from userspace with fsetxattr() can be read back during bind or connect and acted upon on the connecting socket. That lets userspace mark sockets and later rediscover them or implement policy on them" * tag 'vfs-7.3-rc1.kfunc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: selftests/bpf: Add test for bpf_sock_read_xattr() kfunc fs: Add bpf_sock_read_xattr() kfunc to read socket xattrs |
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Linus Torvalds
|
9ea8d6197d |
vfs-7.3-rc1.iomap
Please consider pulling these changes from the signed vfs-7.3-rc1.iomap tag.
Thanks!
Christian
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Merge tag 'vfs-7.3-rc1.iomap' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull iomap updates from Christian Brauner:
"The bulk of this is the conversion of iomap to a single ->iomap_next()
callback and thus finishing the move to an iterator model.
Every iomap operation drove its iteration through a struct iomap_ops
holding ->iomap_begin() and ->iomap_end(). iomap_iter() only ever sees
those as pointers. That means every step of every iteration is an
indirect call.
This collapses both into one ->iomap_next() callback that finishes the
previous mapping and produces the next one. This lets callers inline
the iteration loop and pass its ->iomap_next() as a compile time
constant. That means the compiler can turn it into a direct and hence
inlineable call.
This also allows future callers to express custom logic to drive the
iteration forward better. xfs, btrfs, ext4, ext2, erofs, f2fs, gfs2,
hpfs, fuse, exfat, zonefs, ntfs, ntfs3 and the block device mapping
are all converted. No functional changes are intended.
This also adds a simple direct I/O path for small reads. On Gen5 NVMe
the __iomap_dio_rw() dominates 4K random reads. The same single-core
io_uring poll mode workload reaches ~3.2M IOPS against the raw block
device but only ~1.92M through ext4 or XFS.
__iomap_dio_rw(), iomap_iter(), iomap_dio_bio_iter() and kfree() were
at the top of the profile. The new path is very lightweight if no
special behavior is requested. The bio comes from a dedicated bioset
and laid out so the whole request is a single cacheline aligned
allocation. Completion runs inline.
That takes ext4 from 1.92M to 2.19M IOPS in the original workload. fio
shows around:
- 4% at libaio queue depths of 64 and up
- around 5% for io_uring
- up to 10% for io_uring poll mode at depth 256
on both ext4 and xfs.
A few other patches:
- iomap_folio_mark_uptodate() lets a filesystem that writes into the
page cache outside the iomap read and write paths keep iomap's
internal uptodate bitmap in sync, which fuse needs for
server-pushed notify stores before it can enable large folios;
- two fixes for iomap_bio_read_folio_range_sync(): a potential crash
when device integrity behavior is changed and a missing
bio_uninit().
- a folio batch release fix on iomap callback failures
- FGP_NOFS is dropped from iomap_get_folio()
- documentation fix"
* tag 'vfs-7.3-rc1.iomap' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (29 commits)
iomap: iomap_bio_read_folio_range_sync is missing a call to bio_uninit
iomap: don't free integrity payload that doesn't exist
docs: fix grammatical error in iomap docs
exfat: convert iomap ops to ->iomap_next()
fuse: convert iomap ops to ->iomap_next()
hpfs: convert iomap ops to ->iomap_next()
gfs2: convert iomap ops to ->iomap_next()
f2fs: convert iomap ops to ->iomap_next()
block: convert iomap ops to ->iomap_next()
ext2: convert iomap ops to ->iomap_next()
zonefs: convert iomap ops to ->iomap_next()
erofs: convert iomap ops to ->iomap_next()
ext4: convert iomap ops to ->iomap_next()
ntfs: convert iomap ops to ->iomap_next()
ntfs3: convert iomap ops to ->iomap_next()
btrfs: convert iomap ops to ->iomap_next()
xfs: convert iomap ops to ->iomap_next()
iomap: add ->iomap_next()
iomap: use GFP_NOWAIT when application for iomap_dio_simple allocations
iomap: decouple simple direct I/O reads from iomap_dio_rw
...
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Linus Torvalds
|
3d1f952677 |
vfs-7.3-rc1.fat
Please consider pulling these changes from the signed vfs-7.3-rc1.fat tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJAAKCRCRxhvAZXjc onKkAP40wNdwV6l2ve+dioDeEAd7L8hBANbh6X6p7s8s1WUaQAEAtdq8PsA2UqBy RjS/Mj5X+MTttydrrp3A7FQdhf5/lwQ= =DHKe -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.fat' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull FAT update from Christian Brauner: "This rejects names longer than NAME_MAX in msdos_format_name(). The VFS only enforces PATH_MAX rather than the length of an individual component. open() on such a path component reported success for a name far longer than NAME_MAX" * tag 'vfs-7.3-rc1.fat' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: fat: reject name longer than NAME_MAX in msdos_format_name() |
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Linus Torvalds
|
cd051cfe1e |
vfs-7.3-rc1.failfs
Please consider pulling these changes from the signed vfs-7.3-rc1.failfs tag. Thanks! Christian -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCan7RJAAKCRCRxhvAZXjc ouz+AQCXKHb1Ay9ra1RG+dGu8mCpVZLebMt/+VO0/beMCqiqWAD8ChgvsFqObmr5 8vLKOnzsSMeglRYGPL81h3xnaILRIQk= =0qwg -----END PGP SIGNATURE----- Merge tag 'vfs-7.3-rc1.failfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull failfs filesystem from Christian Brauner: "Add failfs and expose a FD_FAILFS_ROOT sentinel. This allows userspace to shed their filesystem state completely. A process with its root or working directory in failfs must anchor every path lookup at an explicit file descriptor. Absolute paths, absolute symlinks and AT_FDCWD-relative lookups simply fail. Failfs is the counterpart to nullfs. nullfs says adds a permanently empty, immutable directory whose lookups fail with ENOENT but which can be opened, read, stat'd and mounted upon. Failfs on the other hand fails every operation. The root cannot be opened at all. A single instance is mounted during early boot via kern_mount(), which makes it logically distinct from every mount namespace. This is accompanied by a new fchroot() system call which makes chrooting via a file descriptor a first class concept. It's possible to chroot into failfs as an unprivileged user provided the task has no new privileges set" * tag 'vfs-7.3-rc1.failfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: Documentation: add failfs documentation selftests/filesystems: add failfs selftests arch: hookup fchroot() system call fs: support FD_FAILFS_ROOT in fchroot() fs: add fchroot() fs: support FD_FAILFS_ROOT in fchdir() fs: add failfs |
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Linus Torvalds
|
d31a688a49 |
vfs-7.3-rc1.efs
Please consider pulling these changes from the signed vfs-7.3-rc1.efs tag.
Thanks!
Christian
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8etF+tlQeeB+kCiel9XJUnDfu6i1gwE=
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mergetag object
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||
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Linus Torvalds
|
b9cba7ebfe |
vfs-7.3-rc1.binfmt
Please consider pulling these changes from the signed vfs-7.3-rc1.binfmt tag.
Thanks!
Christian
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Merge tag 'vfs-7.3-rc1.binfmt' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull binfmt updates from Christian Brauner:
"This contains a bunch of work for binfmt_misc. It fixes a bunch of
old bugs, reworks the locking, and then extends the format registry
so a binary type can be matched programmatically and its interpreter
computed per exec instead of being a fixed string recorded at
registration time.
This allows nixos and other to e.g., implement relocatable binaries
meaning the interpreter/dynamic loader can be determined
programatically, say found relative to the binary. The mechanism is
flexible and can support other policies:
- Handler lookup is now an rcu walk. An exec that matches no
binfmt_misc entry should now never write to a shared cacheline
- remove the VERBOSE_STATUS and USE_DEBUG compile time toggles
- convert the entry file to a seq_file which simplifies things quite
a bit and kills a lot of custom logic
- make flags proper enums
- rename struct Node to binfmt_misc_entry
- allow entries to be removed with unlink(2)
- Add the ability to attach bpf programs to binfmt_misc entries so
it's possible to dynamically choose the execution environment such
as the loader or interpreter on a per binary basis.
A handler is an instance of a binfmt_misc_ops struct_ops with a
->match() and a ->load() program. match() decides from the entry
lookup walk whether the handler applies under the same
registration-order. It can read file content as needed not only the
prefetched 256 bytes in bprm->buf.
load() then selects the interpreter and stages it through the new
bpf_binprm_set_interp(), bpf_binprm_set_interp_arg() and
bpf_binprm_set_flags() kfuncs.
Handlers are published in a registry keyed by the registering
task's user namespace and activated through the existing text
interface with a new 'B' type carrying the handler name:
echo ':origin:B::::nix:' > /proc/sys/fs/binfmt_misc/register
The permission and namespacing model is unchanged. Activating a
handler requires the same write access to an instance as any other
registration. A container mounting its own instance escapes the
host's entries exactly as before. The computed interpreter is
opened with open_exec() under the caller's credentials and goes
through full LSM vetting as the next binprm level. A program can
only ever redirect the caller to something the caller could exec
anyway.
- Two dispatch modes are added. So far the chosen interpreter owns
the whole process identity (argv[0], /proc/pid/cmdline,
/proc/self/exe all name interpreter information). So relocatable
find the dynamic linker instead. Also a binary passed to execveat()
as an inaccessible O_CLOEXEC fd cannot run at all and gdb trips
because AT_ENTRY and AT_PHDR do not match the exe file. So PIE
symbols are unrelocated.
This adds transparent dispatch which allows the interpreter to load
the binary through AT_EXECFD and leaves the argument vector exactly
as the caller built it and labels mm->exe_file and comm with the
binary. It also raises the AT_FLAGS_TRANSPARENT_INTERP aux vector
bit. The interpreter keeps control of mapping the binary.
The second mode is loader substitution. This allows a binary to be
executed natively and only the interpreter to be changed.
- Last, interpreters can be bound at registration time. Each
interpreter is opened by its own write with the credentials the
entry file was opened with. The program picks one per exec with
bpf_binprm_select_interp().
Ucounts are used to properly account for pre-opened interpreters
via /proc/sys/user/max_binfmt_misc_interpreters"
* tag 'vfs-7.3-rc1.binfmt' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (63 commits)
binfmt_misc: document the pre-opened interpreter limit
selftests/exec: test the pre-opened interpreter limit
binfmt_misc: correctly account pre-opened interpreters
binfmt_misc: document interpreters bound by a 'B' entry
selftests/exec: test interpreters bound to a 'B' entry
binfmt_misc: let a 'B' entry bind its interpreters
binfmt_misc: carry pre-opened interpreters in struct binfmt_misc_interp
selftests/exec: share the bpf handler preconditions
binfmt_misc: document registering an entry disabled
selftests/exec: test registering an entry disabled
selftests/exec: let binfmt_flag_supported() return a bool
selftests/exec: check that a binfmt_misc instance cannot be pinned
binfmt_misc: let a register string create an entry disabled
binfmt_misc: document loader substitution
selftests/exec: test binfmt_misc loader substitution
binfmt_misc: let a bpf handler request loader substitution
binfmt_misc: add the 'L' loader substitution flag
binfmt_elf_fdpic: consume a stashed PT_INTERP substitute
binfmt_elf: consume a stashed PT_INTERP substitute
exec: carry a PT_INTERP substitute in struct linux_binprm
...
|
||
|
Linus Torvalds
|
043d7a2b40 |
ipc-7.3-rc1.misc
Please consider pulling these changes from the signed ipc-7.3-rc1.misc tag.
Thanks!
Christian
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mergetag object
|
||
|
David Heidelberg
|
4e926dc3d6 |
dt-bindings: arm: qcom,ids: Add SoC ID for Snapdragon SDM 850
Add SoC ID for Qualcomm Snapdragon SDM850. Signed-off-by: David Heidelberg <david@ixit.cz> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Link: https://lore.kernel.org/r/20260627-sda850-v2-1-44bf46ade42e@ixit.cz Signed-off-by: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
|
Alexandre Belloni
|
dfda289ad7 |
mvebu dt64 for 7.3 (part 1)
Fix usb3 phys declaration on Turris MOX an Armada 3700 based Soc -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQQYqXDMF3cvSLY+g9cLBhiOFHI71QUCaoAfZQAKCRALBhiOFHI7 1bPEAKCYsVZGnu3RMT1wDPjJA+V1mEj7ggCeOh43LlcoQFEuUYLMnyKJsiCC90E= =zt1F -----END PGP SIGNATURE----- Merge tag 'mvebu-dt64-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu into soc/dt mvebu dt64 for 7.3 (part 1) Fix usb3 phys declaration on Turris MOX an Armada 3700 based Soc * tag 'mvebu-dt64-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu: arm64: dts: turris-mox: fix usb3 phys Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
||
|
Alexandre Belloni
|
63dbd330b5 |
mvebu dt for 7.3 (part 1)
Add regulator supplies for helios4 (Armada 388 based) Correct indentation on dts files -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQQYqXDMF3cvSLY+g9cLBhiOFHI71QUCaoAipAAKCRALBhiOFHI7 1WSpAJ9IoqCU6rpfggMxr9XK06teLupF+QCfc0RjX4fwUe1xPzF9i9kEziADxL4= =rk8w -----END PGP SIGNATURE----- Merge tag 'mvebu-dt-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu into soc/dt mvebu dt for 7.3 (part 1) Add regulator supplies for helios4 (Armada 388 based) Correct indentation on dts files * tag 'mvebu-dt-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu: ARM: dts: helios4: add SATA regulator supplies ARM: dts: helios4: add vcc-supply to GPIO expander ARM: dts: helios4: add vcc-supply to EEPROM ARM: dts: marvell: orion5x: Correct indentation ARM: dts: marvell: kirkwood: Correct indentation ARM: dts: marvell: armada: Correct indentation Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
||
|
Josh Poimboeuf
|
d8a2860b4a |
objtool/klp: Fix vmlinux klp relocations for EXPORT_SYMBOL_FOR_MODULES()
When a module function references a vmlinux symbol which is exported with EXPORT_SYMBOL_FOR_MODULES(), a patch to that function needs to use a klp reloc. Currently, livepatch fails to load such a module: livepatch: invalid access to vmlinux symbol 'get_task_policy' from module-specific livepatch relocation section livepatch: failed to initialize patch 'livepatch_test' for module 'testmod' (-22) livepatch: patch 'livepatch_test' failed for module 'testmod', refusing to load module 'testmod' klp diff puts all klp relocs in __klp_relocs.<patched object>, so post-link names the section .klp.rela.<patched object>.<secname>, which the kernel rejects for vmlinux symbols. Commit |
||
|
Thomas Gleixner
|
0eaed89c18 |
- Use designated initializers for sh_mtu2, sh_cmt, and sh_tmu, and
drop the unused initializer in the platform_device_id table for
sh_mtu2 (Uwe Kleine-König)
- Remove redundant dev_err()/dev_err_probe() messages when
devm_request_*_irq() fails, as the helper already logs an error
message (Pan Chuang)
- Fix a boot hang on Allwinner D1 when a forced minimum delta is used
with the sun4i timer (Felix Yan)
- Fix an IRQ leak in the cpuhp_setup_state() error path by freeing the
IRQ on failure in the NXP PIT driver (WenTao Liang)
- Fix incorrect unmapping of shared MMIO between the clocksource and
clockevent drivers. If one of them fails to initialize, the error
path unmaps the shared MMIO region, leaving the other driver with an
invalid mapping on clps711x (Guangshuo Li)
- Make the samsung_pwm driver compatible with PREEMPT_RT by replacing
regular spinlocks with raw_spinlock_t in atomic contexts (Marek
Szyprowski)
- Use __raw_readl() and __raw_writel() instead of ioread32() and
iowrite32() to support SWAP_IO_SPACE in the rtl-otto driver (Rustam
Adilov)
- Fix a missing clk_disable_unprepare() call in the timer
initialization error path of the Armada driver (Yuho Choi)
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Merge tag 'timers-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/daniel.lezcano/linux into timers/clocksource
- Use designated initializers for sh_mtu2, sh_cmt, and sh_tmu, and
drop the unused initializer in the platform_device_id table for
sh_mtu2 (Uwe Kleine-König)
- Remove redundant dev_err()/dev_err_probe() messages when
devm_request_*_irq() fails, as the helper already logs an error
message (Pan Chuang)
- Fix a boot hang on Allwinner D1 when a forced minimum delta is used
with the sun4i timer (Felix Yan)
- Fix an IRQ leak in the cpuhp_setup_state() error path by freeing the
IRQ on failure in the NXP PIT driver (WenTao Liang)
- Fix incorrect unmapping of shared MMIO between the clocksource and
clockevent drivers. If one of them fails to initialize, the error
path unmaps the shared MMIO region, leaving the other driver with an
invalid mapping on clps711x (Guangshuo Li)
- Make the samsung_pwm driver compatible with PREEMPT_RT by replacing
regular spinlocks with raw_spinlock_t in atomic contexts (Marek
Szyprowski)
- Use __raw_readl() and __raw_writel() instead of ioread32() and
iowrite32() to support SWAP_IO_SPACE in the rtl-otto driver (Rustam
Adilov)
- Fix a missing clk_disable_unprepare() call in the timer
initialization error path of the Armada driver (Yuho Choi)
Link: https://lore.kernel.org/lkml/75feea31-683d-45a1-87f4-ab045e0152ae@oss.qualcomm.com
|
||
|
Marius Cristea
|
75f2c0b369 |
hwmon: (emc1403) Drop hysteresis for low limit temperature
Remove the hysteresis for low temperature limit, in hardware
the hysteresis is applied only to the maxim limit and the
critical limit temperature.
Fixes:
|
||
|
Szymon Wilczek
|
0cd8450c25 |
hwmon: (coretemp) Fix core_data leak on CPUs without PTS
pdata->core_data is allocated in init_temp_data() when the first core
temp_data of a package is created, but it is only released from
destroy_temp_data(), and only in the branch that handles the package
temp_data.
Package temp_data is created solely when the CPU supports
X86_FEATURE_PTS. On a CPU without it, coretemp_cpu_online() never calls
coretemp_add_core() with pkg_flag set, so pdata->pkg_data stays NULL.
coretemp_cpu_offline() then skips the removal of the package interface,
destroy_temp_data() is never called for package data, and the array is
still allocated when coretemp_device_remove() frees the platform data
that pointed at it.
Release the array in coretemp_device_remove(). destroy_temp_data() sets
pdata->core_data to NULL when it frees it, so the added kfree() is a
no-op on CPUs that do have PTS.
Tested on an Intel Core i5-1135G7. The driver was instrumented to log
every allocation and release of pdata->core_data, and the PTS check in
coretemp_cpu_online() was patched out to emulate a CPU without package
thermal support. Without this change the array was allocated and never
released, and coretemp_device_remove() still saw a non-NULL pointer.
With it the array is released and the pointer accounting balances. On an
unmodified build the release still happens via the package temp_data and
the added kfree() sees NULL, with no slab warnings over repeated module
load and unload cycles.
Fixes:
|
||
|
Cong Nguyen
|
acc52bd431 |
hwmon: (max6621) fix negative temperature offset and crit readings
max6621_read() reads the CONFIG2 offset and the critical alert threshold
registers into a u32 and scales them without sign extension:
/* offset */ *val = (regval >> MAX6621_REG_TEMP_SHIFT) * 1000L;
/* crit */ *val = regval * 1000L;
Both attributes are writable and their write paths clamp to a negative
minimum and encode negative values, so a value written as negative is read
back as a large positive number. For example, writing a -10 degrees C
offset stores max6621_temp_mc2reg(-10000) = (-10 << 6) = 0xfd80; the read
then computes 0xfd80 >> 6 = 1014 -> 1014000 instead of -10000.
Cast the register value to s16 before scaling so the read preserves the
sign the write path encodes. The temperature input path already uses an s8
intermediate and is left unchanged.
Fixes:
|
||
|
Cong Nguyen
|
24fbeb83d9 |
hwmon: (max6621) fix temperature clamp range
MAX6621_TEMP_INPUT_MIN and MAX6621_TEMP_INPUT_MAX are used to clamp the
writable offset and critical thresholds. They are defined as -127000 and
128000.
The driver decodes the temperature through an s8 and its own comment in
max6621_read() documents an 8-bit two's complement value, whose range is
-128 to +127 degrees C. The current limits therefore reject the valid
-128 degrees C and accept +128 degrees C, which does not fit the 8-bit
range.
Correct the limits to -128000 and 127000.
Fixes:
|
||
|
Linus Torvalds
|
8d3ae59288 | Linux 7.2 | ||
|
Linus Torvalds
|
fd923b32d7 |
- Make sure a delayed sched entity's runtime stats are updated at the right
time so that it receives the proper lag compensation -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmqB/CQACgkQEsHwGGHe VUq4Eg//ZeldqtFqUxohjcy5ZrgJ9dhdxwRfqZgYhZCSqTJHVLqAxWVAHnJZWfiz Vh63rnt78rIPpVX6E/lZLnYm2VwhEO6P6piMzG4CVlh2pMySjhoRIQ3ufNAQRt0o P79Y29rLhDhHkOaL+jjgSr+ePiDzerrkBfYHK0wJ+BAjphjWxML1wYyCGwhWk/Lu KuXN/jzbEbAn2QWEwEy9KyxztzJlTYTE+l8jiGfRywAeZOBo8HaXg0HhuCwLnaXb yPmarhof2/7XUdW/CBGYggLaXF+mW6VeMaiqdhxSKl48KMpIfPnBC99/YCJy6vmQ pD+kOiysGSFy+3vMbTvjwOYV8T3g7LOpeVkY8KkVmAHUFVF9wBSyPULyooNuxGS9 2pBv6Uz2ojm3wMVk+gggt2VU5uVNLsn9IKpNObyuBRDkt3My4Jej3cQ89LeqyS8Z q49JbAhEwCRfGpxq92WW6izMWjOnduhiTd9TXF/WoXVtcT9ZSbyxJ3sCxbTBrJxd na7xln2xsR8w9+G91DmmNPRnBtBkBOJ6xRGacKDeV8dcfKcZGGH6/sRMN9mIhP8v huCVazSwNCVWDaHn8o/ORBJ0dEJ/536a806ysYfB6MdNzZYtU8iepCj5Lr+uAG/Q W49ftqYFst9o22wT2i4ZdTfrDrkbekVU67BLv9yu8VcmoQJgt90= =bK3W -----END PGP SIGNATURE----- Merge tag 'sched_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fix from Borislav Petkov: - Make sure a delayed sched entity's runtime stats are updated at the right time so that it receives the proper lag compensation * tag 'sched_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Update time before requeueing delayed entities |
||
|
Linus Torvalds
|
240de1acf3 |
- Detect a broken EL2 virtual timer in the bcm2712 SoC boards (RPi5) and
fallback to the physical one instead - Fix a build error with ARM rpc_defconfig and function tracer enabled -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmqB+qQACgkQEsHwGGHe VUr7zQ//d2p80ASoa/3p6qzDs5FiySg2tWEfdRp6PoWDeonu5xVcXHs4GJyFFunP X7pu4kZ+gXq5RoWuk/ClFschaakeij0XtNCjMrpA7ZZpqwBwx387nv3v/9KecU3n IGqS6bz22d/99te9cMo+1vj3gm/PBIE3SOEnwQQ7oD2pAc2TzdLeoXo554EE5zZu tBpgdCz4fDcvmpr9sXzw9fDjgJgPjlVJYq/+juCtxXAWQtGJnHWCqGdMxbOtzHHo E2lLQhZNgC3Vi+jbTYB7mpa70R9iS8TmjuosjKpan3uxakQZnE/+pqN6xFpDh3Ho 090dtBFOUYxx7LDcX6RjXrbddIaHwZNCP1W6OB0EKPUntcpD6MMo4GMBURUxJ4mO TT0gCtd1bsgYhNwZDVBUxhwoqM1e+EtL44ndT26E0HnIIT0gqr4QE6ODvFpeUQmj 2sNdnBSslrLYeHYypBFRRo3aiDmfYCrML2z/OWEdRmAOYvUssJP4euXrBbInobd5 VtBxjjQmBCSiV7nD0vor9eU5kJ4y6VNfiDDBuByNBzIWliMznLNgN92zAGPn7uwR IZ1wBWSbMYoc2C8h0CIPax1J+S517G17WVhMbJnYNlg9SzMAxttBWoHHvrdGMfW8 Nua9plybvDVa+SRgCgJl7fiY19/UtXh/9NxHFQtcJnqR0eQfxJs= =IlDf -----END PGP SIGNATURE----- Merge tag 'timers_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Borislav Petkov: - Detect a broken EL2 virtual timer in the bcm2712 SoC boards (RPi5) and fallback to the physical one instead - Fix a build error with ARM rpc_defconfig and function tracer enabled * tag 'timers_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource/drivers/arm_arch_timer: Workaround bcm2712 broken EL2 virtual timer tick: Include ktime.h and jiffies.h in linux/tick.h |
||
|
Linus Torvalds
|
7820dd4a12 |
- Prevent a lockup when rseq grants a timeslice extension
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||
|
Charlie-cy Wu
|
d6e7d57ed9 |
wifi: mt76: mt7921: refactor regd update to fix recursive mutex deadlock
Split mt7921_mcu_regd_update() into two functions to prevent recursive
mutex acquisition. Introduce __mt7921_mcu_regd_update() as the internal
implementation that assumes the mutex is already held by the caller,
while mt7921_mcu_regd_update() remains as the external interface that
handles mutex acquisition and release.
This fixes a deadlock issue when mt7921_regd_set_6ghz_power_type() is
called with the device mutex already held. Without this change, calling
mt7921_mcu_regd_update() would attempt to acquire the same mutex again,
causing a recursive lock deadlock.
The __mt7921_mcu_regd_update() function can be safely called when the
caller has already acquired the device mutex, avoiding the deadlock
while maintaining proper synchronization for regulatory domain updates.
Fixes: dc2608cf5224 ("wifi: mt76: mt7921: refactor regulatory notifier flow")
Signed-off-by: Charlie-cy Wu <Charlie-cy.Wu@mediatek.com>
Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Tested-by: Devin Wittmayer <lucid_duck@justthetip.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Linus Torvalds
|
d5b95e612c |
Revert "i2c: designware: defer probe if child GpioInt controllers are not bound"
This reverts commit
|
||
|
Linus Torvalds
|
9da3fc37f5 |
- Prevent the use of exited events as group leaders
- Avoid use-after-free of an event's group leader by promoting detached sibling events to standalone entities and correct related accounting and state transitions -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmqB6xQACgkQEsHwGGHe VUpWFQ/+KyU6R2DC48ifpChzgTFmQ2gmIjy1IIsWSGmdSbyD5CEWar8hHDRq1X9r peuQizTXTQ2Ze75atTMIBExR6eUFYb2sKA1HpobcGnB96cpK8e2vmxhvXoHgB3IZ TYDXQ1RMPnbyTn2rCQwr5cgSq2Qe7w2tMXMQKzfmDxP1r7cE81zJVFAsRdVVZP75 kvlcCL43pIwzxzP7sDb9bU9lTkW2Sw83dLIp3jBd3iiUpIQpwqV+UG3/fkInV58n L56cYFsovLbvWdxq4oj6cFwRBmvyrYKV0zkT+zW0SO2AzlVhfwCD/o74hxLwrN// Gas0d51uQfWt+5M7s6T0KFQYBfClG4uoIi2yh7zXxWEXyhcNuvmAVrY3xiQxReIi m88+ByWHfBc/mYTHKWJAqb8sHhJiktU52T55ktOJaPNGczA5+O/4alnOg3Kxvw7d CXp1raxJLqDxvd7Ubu/LVjWY96ds+fAaC15ydC6Lh08b9LPhA8rRCavf7NeSOzOD E1NA3QLS3TwbrTboaGqLMmzOLPkBBZ+28PUASg1ZpyfGnw91Ggv/gOVNUgr5PvMU D/gzRCwEYfDdhOrIHzGrfJ1fwj4qFsZ6HSge3sHDj8/BCcQYj/zmlTKe0CHKbaiy D7bkLNwdBc0z+eh5T7UfCYodUu0qiiek5Y0G3q8FVad0mFDYtUA= =moR8 -----END PGP SIGNATURE----- Merge tag 'perf_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Borislav Petkov: - Prevent the use of exited events as group leaders - Avoid use-after-free of an event's group leader by promoting detached sibling events to standalone entities and correct related accounting and state transitions * tag 'perf_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Fix group leader use-after-free after sibling detach perf: Reject exited events as group leaders |
||
|
Linus Torvalds
|
16429bb371 |
- Add a proper kernel cmdline option to control the TLB invalidation method on
x86 prompted mainly by a recent finding on AMD related to INVLPGB/TYLBSYNC invalidations. Having the command line option is simply another way to alleviate the situation short-term -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmqB44wACgkQEsHwGGHe VUqKSRAAgQKrFw3mH29qsNGjS0GH1m1B6DShBB6/BwJb716gGNfFV/EmYrcwRM4+ GTSA+LGLkKrb45gR+PkKkyoiXDPB/OzfmSlNvD+VCt1t78RdHCXLByye7SxxFjV/ smboswwphQJPLJ8iTeJn+I1jbfC45Wla1hlMgCdHC7tTyyBOPfg32JdQ37cnd2PE 8igsVVhMbEvszhbDrjVAWWUUjlWEjax8ix4rEKMV9J9zETgurK6Vy/G4QNTePSQU cc31FFUp+z+iBNWjCv1jhsuxUbxsH4u7SM3x18cTmgfKz03DQwVnCafkGPy8Rs2o nIdgojAnDginPQ0CsGvB1la7zHQ2MFtBRbNabW+m6WGs2OdwHs1+ATcm0/bFuQBh UqXic8fZ9jYsoGwRfqy/Nsg1ywkrm+IJ5RxSD1+wreGgYPPpEk5tzs5tx4vPFemX dm2ZizKr+kDxZThdTutwV0WY1A/xaix8M5y2poXb929zMy6E+sMwe7fjdnFSZph4 I84PzW4vlH5BTnEK96ROl+ZB4tTMLGBGM/3ymtlmeXAkLiyrj10f+QdKCF1GPHsO Ljv0LVtVL6h4/AJzoV6mYNLCOQUmooMkwwvTYWoHZ3yoqjHGWjGlWDyx7b5uL6BY mFv81rxp0TWcFKLxv8g737NLKH95JAbP9/bKbldc9rmMl/tBOKE= =1btz -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Borislav Petkov: - Add a proper kernel cmdline option to control the TLB invalidation method on x86 prompted mainly by a recent finding on AMD related to INVLPGB/TYLBSYNC invalidations. Having the command line option is simply another way to alleviate the situation short-term * tag 'x86_urgent_for_v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/CPU: Add a tlbi= cmdline switch |
||
|
Linus Torvalds
|
dcb68831ea |
block-7.2-20260815
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||
|
Matt Turner
|
b39c748d9d |
alpha: read $gp and $sp explicitly for clang
clang honors a local `register unsigned long x __asm__("$N")` variable
only where it appears as an inline-asm operand; merely reading it does
not produce the contents of that register. So trap_init() passed an
undefined global pointer to PAL_wrkgp, and load_PCB() stored an undefined
stack pointer into the PCB that swpctx then loaded. Either one wedges an
early boot.
Read the registers explicitly instead: an inline mov for $gp in
trap_init(), and the file-scope current_stack_pointer for $sp in
load_PCB(). A file-scope register-asm variable is the form clang does
support.
Signed-off-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Maciej W. Rozycki <macro@orcam.me.uk>
Reviewed-by: Magnus Lindholm <linmag7@gmail.com>
Tested-by: Magnus Lindholm <linmag7@gmail.com>
Link: https://lore.kernel.org/r/20260803-alpha-clang-v1-2-1c4ba5ba7a64@gmail.com
Signed-off-by: Magnus Lindholm <linmag7@gmail.com>
|
||
|
Linus Torvalds
|
0bae94aab8 |
io_uring-7.2-20260815
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||
|
Christoph Böhmwalder
|
c71bf113df |
drbd: don't leak the shared secret to unprivileged netlink dumps
The conversion to explicit netlink serialization dropped the
exclude_sensitive parameter from net_conf_to_skb(), so each caller has
to sanitize by hand. Two dump paths were missed:
drbd_nl_get_connections_dumpit() and the volume-less connection branch
of get_one_status(). Neither op carries GENL_ADMIN_PERM, so any
unprivileged local user could read the CRAM-HMAC secret.
Add a net_conf_to_skb_sanitized() wrapper and route all three callers
through it.
Fixes:
|
||
|
Jani Nikula
|
d900723d78
|
modpost: use mod_warn() and mod_error(), clean up logging
Convert all module name logging to use the mod_warn() and mod_error() helpers, and pass the module to modpost_log() where used directly, to always have the module name prefixed in the log message, with .ko suffix for modules. Pass struct module *mod around in a few places instead of just mod->name. Further unify the logging while at it. Use single quotes instead of double quotes for symbols, sections, and namespaces. Explicitly state it's a "symbol" when referencing symbols. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patch.msgid.link/17ed1bce5d54fb32533ba83bc83c429cb71adcb0.1786120005.git.jani.nikula@intel.com Reviewed-by: Nicolas Schier <nsc@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Nicolas Schier <nsc@kernel.org> |
||
|
Linus Torvalds
|
3eb40771c0 |
SoC fixes for 7.2, part 3
These are three last-minute fixes for the 7.2 release, though nothing alarming: - one error handling fix for optee firmware - incorrect i2c data for the apple M3 that was added in 7.2 - a boot time warning fix for nvidia tegra -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmp/kkEACgkQmmx57+YA GNn0sRAAnDh3M8YkrmeGdU4aLCEIFDa+SB4+5OF2ANtjunGy3kUlPj1f9y9Sk7aq CEA2foLgAOThE7anz3VrV5RC+OHBqfe3OD39kMqdlTJlqZNLpVEbqFsyoMr8owAw zpfwDl8n1u9ROjGEyQ7t6QAE512ZLbwZ3wducoQPFGXZfjTpiuF4P00lpXa729xF H+Pb0WOMz3zytIfGKvKx4RWkiH0/xatiLoy0AO+73b2lCQgkJF4bhdkM+G5XAIvG XBhzO488Pu9vuoXpNnY0lizE2xZiJdhBJkR8/Ad0KrTlaLsjwJkF237ozWQ89F8U /00wS8zE9FXsEQNw9uJj7EjW7nKItxTloq3MELjoXbGV7xW5sEsjWZM3xsvFX5rD uJo4laNmjp7LZgTvlOZ9T5HM3XIMes3MNTqa4qx0bmrpxwy8BiaTuED9ugrUAIkv xR2xejKQdFEIEfJRga9YSVbVhF1fDH0dFG+8BVchx6npFWwFRk/RI0JycFGqUul7 8CNXuweWNaVb0Q/zfwWz99pVNqdDySJpAMh4Pl4GKB++jYRvnHU4sCSqDYrkqWRo UGMpZhuXHpwzVWu3B/gPdk2YW/Mo1jfGN6dPFP3JsfdQx1BaUx/2j4ggJn20nTUw v7bBU2i0ljMvNkClCqY8sIfgWDxiI1vsFzabW5o2PRzm8R+jm94= =xgY+ -----END PGP SIGNATURE----- Merge tag 'soc-fixes-7.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull SoC fixes from Arnd Bergmann: "These are three last-minute fixes for the 7.2 release, though nothing alarming: - one error handling fix for optee firmware - incorrect i2c data for the apple M3 that was added in 7.2 - a boot time warning fix for nvidia tegra" * tag 'soc-fixes-7.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: arm64: tegra: Add EL2 virtual timer interrupt for Tegra194 arm64: dts: apple: t8122: Fix I2C resources optee: ffa: Add NULL check in optee_ffa_lend_protmem |
||
|
Linus Torvalds
|
5e060ff9d1 |
OpenRISC fix for 7.2
A bug fix found by researchers.
* Ensure to mask all privileged bits when restoring the supervisor
register from sigreturn.
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Merge tag 'for-linus' of https://github.com/openrisc/linux
Pull OpenRISC fix from Stafford Horne:
"A bug fix found by researchers:
- mask all privileged bits when restoring the supervisor register
from sigreturn"
* tag 'for-linus' of https://github.com/openrisc/linux:
openrisc: signal: do not restore privileged SR bits on sigreturn
|
||
|
Ali Ahmet Memis
|
32ef1b30ad |
openrisc: signal: do not restore privileged SR bits on sigreturn
restore_sigcontext() copies the whole supervision register (SR) from the
signal frame and only clears SPR_SR_SM before the value is reloaded into
the hardware SR (through ESR and l.rfe) on the return to user space. All
other SR bits are left under user control.
An unprivileged task can thus return from a signal handler through a
crafted sigframe that clears SPR_SR_DME. With the data MMU disabled the
CPU performs no translation or protection on data accesses, so the task
gains read and write access to arbitrary physical memory, a local
privilege escalation. SPR_SR_IME, SPR_SR_SUMRA, SPR_SR_LEE, SPR_SR_EPH
and the cache-enable bits are exposed the same way. The ptrace GPR regset
already refuses any change to SR for exactly this reason.
Restore only the arithmetic flag bits (F, CY, OV) from the signal frame
and take every privileged control bit from the SR the kernel saved on
signal entry.
Verified with qemu-system-or1k -M or1k-sim: before this change an
unprivileged PoC clears SPR_SR_DME in rt_sigreturn and writes a marker to
physical address 0x03000000 (beyond the kernel's mem=32M); afterwards the
same PoC receives SIGSEGV and physical memory is unchanged.
Fixes:
|
||
|
Linus Torvalds
|
15ef2f78c4 |
Input updates for v7.2-rc7
- A couple of fixes to the sur40 touchscreen driver to correct registration and teardown ordering, and to fix error path unwinding when video device registration fails. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCan/qAgAKCRBAj56VGEWX nIwLAQCryq8oWRzTY1H7QurNDJ89vSwdRJ8CxiLqQgJmWCzgzQD/Vr9SJmWacfn1 TEtDiqHoRSk2wOrZaSDRgsWTH2BOYQI= =RCXW -----END PGP SIGNATURE----- Merge tag 'input-for-v7.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: - A couple of fixes to the sur40 touchscreen driver to correct registration and teardown ordering, and to fix error path unwinding when video device registration fails. * tag 'input-for-v7.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: sur40 - fix V4L error path cleanup Input: sur40 - fix input device registration ordering |
||
|
Dmitry Torokhov
|
b4d85f863e |
Merge branch 'next' into for-linus
Prepare input updates for 7.3 merge window. |
||
|
Linus Torvalds
|
dac3e89a2c |
drm fixes for 7.2 final:
scheduler: - revert fair scheduler patches due to regression - mark fair as experimental connector: - fix OOB read in hdmi audio infoframe log: - fix divide by 0 if module param is set to 0 - fix OOB read on empty message - fix infinite loop for too large scale xe: - Fix DPT Allocation paths - Fixes around UM queue BO - Order ring writes before ring tail updates - Add termination on resume for PXP - Document Sentinel and make CTX_TIMESTAMP read TOCTOU-safe - Fix sync entry leak on OA config emit failure - Check managed mutex initilization errors - Fix min frequency setting - Fix xe_device_probe error path amdgpu: - Bounds checking fix in CS IOCTL - Bounds checking fix in GEM IOCTL - Display fixes - GPUVM fix - ASPM fix - UVD bounds checking fixes - VCE 3 fix - BT.2020 fixes - NBIF 6.3.1 fix - IP discovery fix radeon: - Runtime pm fix amdxdna: - skip attempting to populate unmapped pages -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmp/eCcACgkQDHTzWXnE hr4BoA/7By6sGa+PelN5D3XzzJCHWd8/G/A3TFAFLrtpVK6M84qzNHenGFTNO1SF 3stK9CANA5GmXTudR3UJ4/ZagTde2ZU2hI0tHwOlldRvV91+Ed4lTcr6Kf4xzSnP R+Z3KZ/ggvGpKb628Z7hbwhNBkbkTY4TgotY0vCGK59t1M9Is0b3rMDB9ok7Z9ET B2nQr6UQ/3rb7aoOm0cYik2vTplTI7P1pchq0yKaXwZLNGlmuf556u/t3zsb2+3T E2ouifY82di75Fq+mQFhr4IP9SnFukxeXZw0mkykg2TUlPNRosHHYifdBWZztVLn ZVICunIDuzBb/bSgCeC3qM1nhNW3IBse9xTwpcNIm6zA7qantoCB83t8MPbR6d/C C1NVGcWC89AP7sKT5s15Yzpk7Ink1CJ8GReDV87g0NGFQKCihb4MnW8AkF4nRR5O CZuIwEE3M8MDncDBErL+9K1KmHO5UnIy0FEV3lEgSmoRqgG9m/6BAMwzNXbVU3W4 CwlgcKyeFS23f++GW02OMWJVAp4VV7S7b4pxllL0zoL2ZPQZ827BYwpnKBtiOrJp Sb0U0dIKxgho+nA6R2XvdCZItN0OvjyvQK6OCNYAMtC7XEGboJJ3jBf+rkvgM4jo rpumV+1lI/urWO9rhhg2Ri318N9mWIWqIbmKYPIMrGojG3MiKBw= =rauR -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2026-08-15' of https://gitlab.freedesktop.org/drm/kernel Pull drm fixes from Dave Airlie: "While this is large for rc8 time but also AI driven fixes is a lot of it, we had a more traditional screw up, and a regression was just found in the fair scheduling patches that went in back in rc1. This reverts the fair scheduler back to an option and sets the default back to what it should have been. We might have been a bit overly zealous in switching over, but at least it feels more normal than the AI driven fixes. Apart from the scheduler, it's mostly amdgpu and xe fixes, with some misc fixes to the log code and connector code. scheduler: - revert fair scheduler patches due to regression - mark fair as experimental connector: - fix OOB read in hdmi audio infoframe log: - fix divide by 0 if module param is set to 0 - fix OOB read on empty message - fix infinite loop for too large scale xe: - Fix DPT Allocation paths - Fixes around UM queue BO - Order ring writes before ring tail updates - Add termination on resume for PXP - Document Sentinel and make CTX_TIMESTAMP read TOCTOU-safe - Fix sync entry leak on OA config emit failure - Check managed mutex initilization errors - Fix min frequency setting - Fix xe_device_probe error path amdgpu: - Bounds checking fix in CS IOCTL - Bounds checking fix in GEM IOCTL - Display fixes - GPUVM fix - ASPM fix - UVD bounds checking fixes - VCE 3 fix - BT.2020 fixes - NBIF 6.3.1 fix - IP discovery fix radeon: - Runtime pm fix amdxdna: - skip attempting to populate unmapped pages" * tag 'drm-fixes-2026-08-15' of https://gitlab.freedesktop.org/drm/kernel: (51 commits) drm/log: Fix infinite loop when scale is too large for display drm/log: Fix out-of-bounds read on empty message length drm/log: Fix division by zero when scale module parameter is 0 drm/xe: Fix xe_device_probe() failure drm/xe: Fix a bug in pc_adjust_freq_bounds() drm/xe/oa: Check managed mutex initialization errors drm/xe/oa: Fix sync entry leak on OA config emit failure drm/xe/lrc: document sentinel and make CTX_TIMESTAMP read TOCTOU-safe drm/xe/pxp: add termination on resume drm/xe: Order ring writes before ring tail updates drm/xe/guc_ads: use uncached mapping for UM queue BO drm/xe/guc_ads: allocate UM queues in VRAM on dGFX drm/xe/guc_ads: allocate UM queues in a separate BO drm/xe: Fix DPT allocation paths. accel/amdxdna: Skip unmapped range in aie2_populate_range() drm/amdgpu: Prefer default discovery offset drm/amdgpu: Reject UVD message with invalid number of h265 refs drm/amdgpu: fix nbif 6.3.1 l1 low power not functional drm/amd/display: fix BT.2020 YCbCr output CSC matrices for DCE drm/amd/display: fix BT.2020 YCbCr limited output CSC matrix ... |
||
|
Linus Torvalds
|
b26d316aaa |
Fixes for the Qualcomm, Rockchip, and SpacemiT clk drivers
- Keep audio working on Rockchip rk3588 by skipping disabling
unused clks
- Fix SpacemiT USB2 clk data so they actually work and keep the
HDMA bus clk enabled to avoid system hangs
- Avoid clk hangs on Qualcomm Eliza display hardware and revert
a patch that breaks PCIe on some Qualcomm platforms
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"Fixes for the Qualcomm, Rockchip, and SpacemiT clk drivers:
- Keep audio working on Rockchip rk3588 by skipping disabling unused
clks
- Fix SpacemiT USB2 clk data so they actually work and keep the HDMA
bus clk enabled to avoid system hangs
- Avoid clk hangs on Qualcomm Eliza display hardware and revert a
patch that breaks PCIe on some Qualcomm platforms"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
dt-bindings: clock: Replace bouncing emails
Revert "clk: qcom: regmap-phy-mux: Rework the implementation"
clk: spacemit: k3: set hdma clock as critical
clk: spacemit: k3: fix USB2 bus clock
clk: qcom: dispcc-eliza: Fix disp_cc_mdss_mdp_clk_src RCG stall on Eliza EVK
clk: rockchip: rk3588: don't disable unused I2S MCLK output gates
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Linus Torvalds
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06d9a86e02 |
spi: Final fixes for v7.2
A couple of relatively minor (but as ever important if you're hitting them) and straightforward driver specific fixes, plus one new device ID documented in the DT bindings for the DesignWare controller. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmp/Vl4ACgkQJNaLcl1U h9Af0Af+J2MqcGcVuUFYO6NG9agqkqZkylfW5rPNPeEL63GqPjo2jh1YTaIiOO1X pOvWxt6Ihf0WQF7MD6WJu7N+wWe2nkVR5AIvLe9HzD5xDBYv8xLd3JQi1O4LsrjL /8aINGhuhizY+PSVQXf5mps0POGX8sb5vE9Q12bE6FCxmUgFSRMISs/dCend8qQl p7YWIQkxkpEj5OWX95iG7wz5Yt0d8JGns+1cCdRaibdKKTG6SlfaQNX0vEV7n1Dx tN3aJyOggSNS4ADed1S/pd1cZyv3663fRvYpya5nL84ynFJFKdHZvElo8AjOuUaO up15wJ4SPnabI5wepnVlNCleLluK/Q== =mKW0 -----END PGP SIGNATURE----- Merge tag 'spi-fix-v7.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi fixes from Mark Brown: "A couple of relatively minor (but as ever important if you're hitting them) and straightforward driver specific fixes, plus one new device ID documented in the DT bindings for the DesignWare controller" * tag 'spi-fix-v7.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: virtio: mark device ready before registering the controller spi: dw: fix wrong RX_SAMPLE_DLY setting after resume spi: dt-bindings: snps,dw-apb-ssi: Document Axiado AX3005 |