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Eric Biggers 3c6d4ffa0c fsverity: Fix silent truncation in bpf_get_fsverity_digest() 
commit 7c68ed5c5a upstream.

bpf_get_fsverity_digest() silently truncates the digest if the provided
buffer is too small.  This is a footgun, and it doesn't match the
semantics of the equivalent UAPI (FS_IOC_MEASURE_VERITY).

Change it to return -EOVERFLOW instead, matching FS_IOC_MEASURE_VERITY.

Fixes: 67814c00de ("bpf, fsverity: Add kfunc bpf_get_fsverity_digest")
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Acked-by: Song Liu <song@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/bpf/20260803181232.14743-3-ebiggers@kernel.org
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-08-19 18:18:20 +02:00
..
9p
9p: skip nlink update in cacheless mode to fix WARN_ON
2026-07-24 16:17:02 +02:00
adfs
fs/adfs: validate nzones in adfs_validate_bblk()
2026-05-23 13:07:06 +02:00
affs
…
afs
afs: Fix UAF when sending a message
2026-08-09 20:25:13 +02:00
autofs
…
befs
…
bfs
bfs: Reconstruct file type when loading from disk
2025-10-29 14:39:34 +01:00
btrfs
btrfs: fix memory leak in btrfs_do_encoded_write()
2026-08-19 18:17:21 +02:00
cachefiles
VFS: unify old_mnt_idmap and new_mnt_idmap in renamedata
2025-09-23 12:37:35 +02:00
ceph
ceph: fix writeback_count leak in write_folio_nounlock()
2026-08-03 11:22:01 +02:00
coda
…
configfs
configfs: fix lockless traversals of ->s_children
2026-07-24 16:16:04 +02:00
cramfs
Merge tag 'mm-nonmm-stable-2025-10-02-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-10-02 18:44:54 -07:00
crypto
fscrypt: use the mount idmap for the owner check in fscrypt_ioctl_set_policy()
2026-08-19 18:18:20 +02:00
debugfs
debugfs: fix placement of EXPORT_SYMBOL_GPL for debugfs_create_str()
2026-05-23 13:06:24 +02:00
devpts
…
dlm
dlm: fix add msg handle in send_queue ordered
2026-07-24 16:15:47 +02:00
ecryptfs
Merge tag 'pull-mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2025-10-03 10:19:44 -07:00
efivarfs
efivarfs: fix error propagation in efivar_entry_get()
2026-02-06 16:57:39 +01:00
efs
fs: efs: remove unneeded debug prints
2026-07-24 16:16:09 +02:00
erofs
erofs: cap LZMA stream pool size
2026-08-09 20:25:10 +02:00
exfat
exfat: preserve benign secondary entries during rename and move
2026-07-24 16:15:40 +02:00
exportfs
…
ext2
ext2: fix ignored return value of generic_write_sync()
2026-07-24 16:15:58 +02:00
ext4
ext4: fix kernel BUG in ext4_write_inline_data_end
2026-07-24 16:16:08 +02:00
f2fs
fscrypt: Avoid dynamic allocation in fscrypt_get_devices()
2026-08-03 11:22:08 +02:00
fat
fat: avoid parent link count underflow in rmdir
2026-02-26 14:59:18 -08:00
freevxfs
…
fuse
fuse-uring: fix race between registration and connection abortion
2026-08-03 11:22:08 +02:00
gfs2
gfs2: fix use-after-free in gfs2_qd_dealloc
2026-07-04 13:44:19 +02:00
hfs
hfs/hfsplus: fix u32 overflow in check_and_correct_requested_length
2026-07-24 16:17:23 +02:00
hfsplus
hfs/hfsplus: fix u32 overflow in check_and_correct_requested_length
2026-07-24 16:17:23 +02:00
hostfs
hostfs: Fix only passing host root in boot stage with new mount
2025-10-21 14:22:42 +02:00
hpfs
hpfs: fix a crash if hpfs_map_dnode_bitmap fails
2026-06-09 12:28:34 +02:00
hugetlbfs
hugetlbfs: move lock assertions after early returns in huge_pmd_unshare()
2025-10-21 15:46:17 -07:00
iomap
iomap: add a separate bio_set for iomap_split_ioend
2026-08-09 20:25:09 +02:00
isofs
isofs: bound Rock Ridge symlink components to the SL record
2026-07-18 16:53:27 +02:00
jbd2
jbd2: fix integer underflow in jbd2_journal_initialize_fast_commit()
2026-07-24 16:16:59 +02:00
jffs2
…
jfs
fs: Fix return in jfs_mkdir and orangefs_mkdir
2026-06-01 17:50:55 +02:00
kernfs
kernfs: fix suspicious RCU usage in kernfs_put()
2026-07-24 16:15:51 +02:00
lockd
lockd: Plug nlm_file refcount leak on cached nlm_do_fopen() failure
2026-07-24 16:16:59 +02:00
minix
minix: avoid overflow in bitmap block count calculation
2026-07-24 16:16:45 +02:00
netfs
netfs: release readahead folios on iterator preparation failure
2026-08-09 20:25:05 +02:00
nfs
NFS: Pin the 'struct nfs_server' during a FREE_STATEID call
2026-08-19 18:17:14 +02:00
nfs_common
NFSD: Remove NFSERR_EAGAIN
2026-01-17 16:35:10 +01:00
nfsd
SUNRPC: Return an error from xdr_buf_to_bvec() on overflow
2026-08-03 11:22:10 +02:00
nilfs2
nilfs2: Fix return in nilfs_mkdir
2026-07-24 16:15:50 +02:00
nls
fs/nls: Fix inconsistency between utf8_to_utf32() and utf32_to_utf8()
2025-12-18 14:03:35 +01:00
notify
fsnotify: fix inode reference leak in fsnotify_recalc_mask()
2026-05-23 13:07:07 +02:00
ntfs3
ntfs3: fix out-of-bounds read in decompress_lznt
2026-07-24 16:17:01 +02:00
ocfs2
ocfs2: reject non-inline dinodes with i_size and zero i_clusters
2026-07-24 16:17:03 +02:00
omfs
fs/omfs: reject s_sys_blocksize smaller than OMFS_DIR_START
2026-05-23 13:06:22 +02:00
openpromfs
…
orangefs
orangefs: keep the readdir entry size 64-bit in fill_from_part()
2026-07-24 16:17:15 +02:00
overlayfs
ovl: don't warn when the mount is completed from another user namespace
2026-08-19 18:18:18 +02:00
proc
fs/proc/task_mmu: fix PAGEMAP_SCAN written state for unpopulated ptes
2026-08-09 20:25:26 +02:00
pstore
pstore/ram: fix resource leak when ioremap() fails
2026-05-23 13:06:23 +02:00
qnx4
…
qnx6
fs/qnx6: fix pointer arithmetic in directory iteration
2026-06-19 13:44:07 +02:00
quota
quota: Fix race of dquot_scan_active() with quota deactivation
2026-05-23 13:06:43 +02:00
ramfs
…
resctrl
fs/resctrl: Fix use-after-free during unmount
2026-08-03 11:22:11 +02:00
romfs
romfs: check sb_set_blocksize() return value
2026-02-19 16:31:32 +01:00
smb
smb: client: Fix use-after-free in cifs_try_adding_channels()
2026-08-19 18:18:19 +02:00
squashfs
Squashfs: check metadata block offset is within range
2026-03-12 07:09:41 -04:00
sysfs
sysfs: clamp show() return value in sysfs_kf_read()
2026-07-24 16:15:50 +02:00
tests
fs/tests: exec: Remove bad test vector
2026-03-25 11:10:45 +01:00
tracefs
eventfs: Fix use-after-free in eventfs_remove_rec()
2026-08-19 18:18:19 +02:00
ubifs
Merge tag 'mm-stable-2025-10-01-19-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-10-02 18:18:33 -07:00
udf
udf: fix nls leak on udf_fill_super() failure
2026-07-24 16:16:13 +02:00
ufs
…
unicode
…
vboxsf
…
verity
fsverity: Fix silent truncation in bpf_get_fsverity_digest()
2026-08-19 18:18:20 +02:00
xfs
xfs: handle NULL b_addr in xfs_buf_free
2026-08-19 18:17:15 +02:00
zonefs
zonefs: handle integer overflow in zonefs_fname_to_fno
2026-06-01 17:50:55 +02:00
aio.c
Merge tag 'mm-stable-2025-10-01-19-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-10-02 18:18:33 -07:00
anon_inodes.c
…
attr.c
vfs: add ATTR_CTIME_SET flag
2025-09-21 19:24:50 -04:00
backing-file.c
lsm: add backing_file LSM hooks
2026-07-04 13:44:14 +02:00
bad_inode.c
…
binfmt_elf_fdpic.c
binfmt_elf_fdpic: only honour the first PT_INTERP
2026-08-03 11:22:02 +02:00
binfmt_elf.c
…
binfmt_flat.c
…
binfmt_misc.c
binfmt_misc: don't warn when the mount is completed from another user namespace
2026-08-19 18:18:18 +02:00
binfmt_script.c
…
bpf_fs_kfuncs.c
bpf: fix crash in bpf_[set|remove]_dentry_xattr for negative dentries
2026-07-24 16:15:47 +02:00
buffer.c
fs/buffer: add alert in try_to_free_buffers() for folios without buffers
2026-03-04 07:19:29 -05:00
char_dev.c
…
compat_binfmt_elf.c
…
coredump.c
coredump: fix core_pattern input validation
2025-10-07 13:12:46 +02:00
d_path.c
…
dax.c
dax: skip read lock assertion for read-only filesystems
2025-10-07 12:48:33 +02:00
dcache.c
dcache: Limit the minimal number of bucket to two
2026-04-22 13:22:29 +02:00
direct-io.c
…
drop_caches.c
…
eventfd.c
…
eventpoll.c
eventpoll: Fix epoll_wait() report false negative
2026-07-24 16:16:15 +02:00
exec.c
exec: fix unsigned loop counter wrap in transfer_args_to_stack()
2026-08-03 11:21:58 +02:00
fcntl.c
fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling
2026-06-19 13:44:14 +02:00
fhandle.c
fhandle: reject detached mounts in capable_wrt_mount()
2026-07-24 16:17:14 +02:00
file_attr.c
fs: init flags_valid before calling vfs_fileattr_get
2026-03-19 16:08:09 +01:00
file_table.c
lsm: add backing_file LSM hooks
2026-07-04 13:44:14 +02:00
file.c
…
filesystems.c
…
fs_context.c
…
fs_parser.c
…
fs_pin.c
…
fs_struct.c
fs: add <linux/init_task.h> for 'init_fs'
2026-02-26 14:58:57 -08:00
fs_types.c
…
fs-writeback.c
writeback: drop now-unnecessary rcu_barrier() in cgroup_writeback_umount()
2026-07-24 16:15:51 +02:00
fsopen.c
…
init.c
VFS: rename kern_path_locked() and related functions.
2025-09-23 12:37:36 +02:00
inode.c
fs: lift the FMODE_NOCMTIME check into file_update_time_flags
2025-12-18 14:03:21 +01:00
internal.h
lsm: add backing_file LSM hooks
2026-07-04 13:44:14 +02:00
ioctl.c
…
Kconfig
Merge tag 'mm-stable-2025-10-01-19-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-10-02 18:18:33 -07:00
Kconfig.binfmt
…
kernel_read_file.c
…
libfs.c
new helper: simple_remove_by_name()
2026-07-24 16:17:24 +02:00
locks.c
lockd: fix vfs_test_lock() calls
2026-01-08 10:17:10 +01:00
Makefile
Remove bcachefs core code
2025-09-29 13:43:52 -07:00
mbcache.c
fs/mbcache: cancel shrink work before destroying the cache
2026-05-23 13:06:22 +02:00
mnt_idmapping.c
fs/statmount: fix slab out-of-bounds write in statmount_mnt_idmap
2026-06-01 17:50:55 +02:00
mount.h
fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()
2026-06-19 13:44:07 +02:00
mpage.c
mpage: convert do_mpage_readpage() to return void type
2025-09-21 14:22:16 -07:00
namei.c
fs: refuse O_TMPFILE creation with an unmapped fsuid or fsgid
2026-07-24 16:16:44 +02:00
namespace.c
mount: honour SB_NOUSER in the new mount API
2026-08-19 18:17:12 +02:00
nsfs.c
nsfs: fix wrong error code returned for pidns ioctls
2026-06-01 17:50:55 +02:00
open.c
Merge tag 'pull-f_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2025-10-03 16:32:36 -07:00
pidfs.c
pidfs: return -EREMOTE when PIDFD_GET_INFO is called on another ns
2026-02-26 14:59:35 -08:00
pipe.c
…
pnode.c
…
pnode.h
…
posix_acl.c
fs: preserve ACL_DONT_CACHE state in forget_cached_acl()
2026-08-03 11:22:02 +02:00
proc_namespace.c
…
read_write.c
…
readdir.c
readdir: require opt-in for d_type flags
2026-02-06 16:57:29 +01:00
remap_range.c
…
select.c
…
seq_file.c
…
signalfd.c
…
splice.c
…
stack.c
…
stat.c
…
statfs.c
…
super.c
super: fix emergency thaw deadlock on frozen block devices
2026-08-03 11:22:04 +02:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
userfaultfd: gate must_wait writability check on pte_present()
2026-07-18 16:53:04 +02:00
utimes.c
…
xattr.c
…