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linux/fs
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Vasiliy Kovalev ff43d008bb ovl: Filter invalid inodes with missing lookup function 
commit c8b359dddb418c60df1a69beea01d1b3322bfe83 upstream.

Add a check to the ovl_dentry_weird() function to prevent the
processing of directory inodes that lack the lookup function.
This is important because such inodes can cause errors in overlayfs
when passed to the lowerstack.

Reported-by: syzbot+a8c9d476508bd14a90e5@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?extid=a8c9d476508bd14a90e5
Suggested-by: Miklos Szeredi <miklos@szeredi.hu>
Link: https://lore.kernel.org/linux-unionfs/CAJfpegvx-oS9XGuwpJx=Xe28_jzWx5eRo1y900_ZzWY+=gGzUg@mail.gmail.com/
Signed-off-by: Vasiliy Kovalev <kovalev@altlinux.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-12-14 19:54:13 +01:00
..
9p
fs/9p: fix uninitialized values during inode evict
2024-11-22 15:37:34 +01:00
adfs
…
affs
affs: initialize fsdata in affs_truncate()
2023-02-01 08:34:08 +01:00
afs
afs: Fix missing subdir edit when renamed between parent dirs
2024-11-08 16:26:43 +01:00
autofs
autofs: fix memory leak of waitqueues in autofs_catatonic_mode
2023-09-23 11:10:59 +02:00
befs
…
bfs
…
btrfs
btrfs: ref-verify: fix use-after-free after invalid ref action
2024-12-14 19:54:10 +01:00
cachefiles
cachefiles: Fix missing pos updates in cachefiles_ondemand_fd_write_iter()
2024-12-14 19:53:15 +01:00
ceph
ceph: fix cap ref leak via netfs init_request
2024-10-17 15:22:02 +02:00
coda
coda: Avoid partial allocation of sig_inputArgs
2023-03-10 09:33:52 +01:00
configfs
configfs: fix possible memory leak in configfs_create_dir()
2022-12-31 13:32:22 +01:00
cramfs
fs/cramfs/inode.c: initialize file_ra_state
2023-03-10 09:34:09 +01:00
crypto
fs: Create a generic is_dot_dotdot() utility
2024-10-17 15:21:17 +02:00
debugfs
debugfs: fix automount d_fsdata usage
2024-01-20 11:50:04 +01:00
devpts
…
dlm
fs: dlm: don't put dlm_local_addrs on heap
2024-02-16 19:06:29 +01:00
ecryptfs
fs: Create a generic is_dot_dotdot() utility
2024-10-17 15:21:17 +02:00
efivarfs
efivarfs: Request at most 512 bytes for variable names
2024-03-06 14:45:11 +00:00
efs
…
erofs
erofs: fix incorrect symlink detection in fast symlink
2024-10-17 15:22:09 +02:00
exfat
exfat: fix uninit-value in __exfat_get_dentry_set
2024-12-14 19:54:00 +01:00
exportfs
exportfs: use pr_debug for unreachable debug statements
2024-03-06 14:45:15 +00:00
ext2
ext2: Verify bitmap and itable block numbers before using them
2024-08-03 08:49:32 +02:00
ext4
ext4: fix FS_IOC_GETFSMAP handling
2024-12-14 19:53:58 +01:00
f2fs
f2fs: fix to avoid forcing direct write to use buffered IO on inline_data inode
2024-12-14 19:53:45 +01:00
fat
fat: fix uninitialized variable
2024-10-22 15:56:43 +02:00
freevxfs
…
fscache
netfs/fscache: Add a memory barrier for FSCACHE_VOLUME_CREATING
2024-12-14 19:53:15 +01:00
fuse
fuse: add feature flag for expire-only
2024-09-12 11:10:30 +02:00
gfs2
gfs2: Remove freeze_go_demote_ok
2024-08-29 17:30:56 +02:00
hfs
hfs: fix to initialize fields of hfs_inode_info after hfs_alloc_inode()
2024-08-03 08:49:32 +02:00
hfsplus
hfsplus: don't query the device logical block size multiple times
2024-12-14 19:53:16 +01:00
hostfs
hostfs: move from strlcpy with unused retval to strscpy
2022-09-19 22:46:25 +02:00
hpfs
…
hugetlbfs
mm/hugetlb: add hugetlb_folio_subpool() helpers
2024-05-17 11:55:51 +02:00
iomap
iomap: turn iomap_want_unshare_iter into an inline function
2024-11-08 16:26:42 +01:00
isofs
isofs: handle CDs with bad root inode but good Joliet root directory
2024-04-13 13:05:06 +02:00
jbd2
jbd2: correctly compare tids with tid_geq function in jbd2_fc_begin_commit
2024-10-17 15:21:56 +02:00
jffs2
jffs2: fix use of uninitialized variable
2024-12-14 19:54:08 +01:00
jfs
jfs: xattr: check invalid xattr size more strictly
2024-12-14 19:53:58 +01:00
kernfs
kernfs: fix false-positive WARN(nr_mmapped) in kernfs_drain_open_files
2024-08-29 17:30:35 +02:00
lockd
nfsd: stop setting ->pg_stats for unused stats
2024-08-19 06:00:04 +02:00
minix
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
netfs
netfs: Only call folio_start_fscache() one time for each folio
2023-10-06 14:56:32 +02:00
nfs
nfs: ignore SB_RDONLY when mounting nfs
2024-12-14 19:54:09 +01:00
nfs_common
…
nfsd
NFSD: Prevent a potential integer overflow
2024-12-14 19:54:06 +01:00
nilfs2
nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint
2024-11-22 15:37:31 +01:00
nls
fs/nls: make load_nls() take a const parameter
2023-09-13 09:42:22 +02:00
notify
fsnotify: fix sending inotify event with unexpected filename
2024-12-14 19:53:59 +01:00
ntfs
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
ntfs3
ntfs3: Add bounds checking to mi_enum_attr()
2024-12-14 19:53:54 +01:00
ocfs2
ocfs2: fix uninitialized value in ocfs2_file_read_iter()
2024-12-14 19:53:41 +01:00
omfs
…
openpromfs
openpromfs: finish conversion to the new mount API
2024-06-12 11:03:03 +02:00
orangefs
orangefs: fix out-of-bounds fsid access
2024-07-11 12:47:08 +02:00
overlayfs
ovl: Filter invalid inodes with missing lookup function
2024-12-14 19:54:13 +01:00
proc
fs/proc/kcore.c: fix coccinelle reported ERROR instances
2024-12-14 19:53:40 +01:00
pstore
pstore/zone: Add a null pointer check to the psz_kmsg_read
2024-04-13 13:04:57 +02:00
qnx4
…
qnx6
fs/qnx6: delete unnecessary checks before brelse()
2022-09-11 21:55:07 -07:00
quota
quota: flush quota_release_work upon quota writeback
2024-12-14 19:54:10 +01:00
ramfs
shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs
2023-07-19 16:22:11 +02:00
reiserfs
reiserfs: fix uninit-value in comp_keys
2024-08-29 17:30:20 +02:00
romfs
…
smb
smb3: request handle caching when caching directories
2024-12-14 19:54:05 +01:00
squashfs
Squashfs: sanity check symbolic link size
2024-09-12 11:10:25 +02:00
sysfs
fs: sysfs: Fix reference leak in sysfs_break_active_protection()
2024-04-27 17:07:16 +02:00
sysv
sysv: don't call sb_bread() with pointers_lock held
2024-04-13 13:05:05 +02:00
tracefs
tracefs: Add missing lockdown check to tracefs_create_dir()
2023-09-23 11:11:12 +02:00
ubifs
ubifs: authentication: Fix use-after-free in ubifs_tnc_end_commit
2024-12-14 19:54:08 +01:00
udf
udf: fix uninit-value use in udf_get_fileshortad
2024-11-01 01:56:03 +01:00
ufs
ufs: replace ll_rw_block()
2022-09-11 20:26:07 -07:00
unicode
unicode: Fix utf8_load() error path
2024-12-14 19:53:35 +01:00
vboxsf
vboxsf: Avoid an spurious warning if load_nls_xxx() fails
2024-04-10 16:28:25 +02:00
verity
fsverity: skip PKCS#7 parser when keyring is empty
2023-09-13 09:43:03 +02:00
xfs
xfs: remove unknown compat feature check in superblock write validation
2024-12-14 19:54:09 +01:00
zonefs
zonefs: Improve error handling
2024-02-23 09:12:45 +01:00
aio.c
fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion
2024-04-03 15:19:42 +02:00
anon_inodes.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
attr.c
attr: block mode changes of symlinks
2023-09-23 11:11:10 +02:00
bad_inode.c
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
binfmt_elf_fdpic.c
fs: binfmt_elf_efpic: don't use missing interpreter's properties
2024-08-29 17:30:35 +02:00
binfmt_elf_test.c
…
binfmt_elf.c
ELF: fix kernel.randomize_va_space double read
2024-09-12 11:10:19 +02:00
binfmt_flat.c
binfmt_flat: Fix corruption when not offsetting data start
2024-08-19 06:00:07 +02:00
binfmt_misc.c
binfmt_misc: cleanup on filesystem umount
2024-08-29 17:30:30 +02:00
binfmt_script.c
…
buffer.c
Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-12 11:00:22 -07:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2022-12-31 13:32:41 +01:00
compat_binfmt_elf.c
…
coredump.c
coredump: Move dump_emit_page() to kill unused warning
2023-02-22 12:59:50 +01:00
d_path.c
d_path.c: typo fix...
2022-08-20 11:34:33 -04:00
dax.c
fsdax: dax_unshare_iter needs to copy entire blocks
2024-11-08 16:26:42 +01:00
dcache.c
fs: better handle deep ancestor chains in is_subdir()
2024-07-25 09:49:18 +02:00
direct-io.c
block: remove PSI accounting from the bio layer
2022-09-20 08:24:38 -06:00
drop_caches.c
…
eventfd.c
eventfd: prevent underflow for eventfd semaphores
2023-09-13 09:42:27 +02:00
eventpoll.c
epoll: be better about file lifetimes
2024-06-12 11:03:03 +02:00
exec.c
exec: don't WARN for racy path_noexec check
2024-11-01 01:56:02 +01:00
fcntl.c
fs: Fix file_set_fowner LSM hook inconsistencies
2024-10-17 15:21:23 +02:00
fhandle.c
do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak
2024-03-26 18:20:27 -04:00
file_table.c
locks: fix TOCTOU race when granting write lease
2022-08-16 10:59:54 -04:00
file.c
close_range(): fix the logics in descriptor table trimming
2024-10-17 15:22:03 +02:00
filesystems.c
…
fs_context.c
vfs, security: Fix automount superblock LSM init problem, preventing NFS sb sharing
2023-09-13 09:42:28 +02:00
fs_parser.c
ext4: journal_path mount options should follow links
2023-01-07 11:11:59 +01:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
writeback, cgroup: switch inodes with dirty timestamps to release dying cgwbs
2023-11-20 11:51:50 +01:00
fsopen.c
…
init.c
…
inode.c
fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name
2024-12-14 19:53:13 +01:00
internal.h
nfs: use vfs setgid helper
2023-08-30 16:11:10 +02:00
ioctl.c
lsm: new security_file_ioctl_compat() hook
2024-01-31 16:17:00 -08:00
Kconfig
smb: move client and server files to common directory fs/smb
2023-06-28 11:12:40 +02:00
Kconfig.binfmt
Merge tag 'xtensa-20221010' of https://github.com/jcmvbkbc/linux-xtensa
2022-10-10 14:21:11 -07:00
kernel_read_file.c
…
libfs.c
libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
2022-12-31 13:31:58 +01:00
locks.c
filelock: Fix fcntl/close race recovery compat path
2024-07-27 11:32:19 +02:00
Makefile
smb: move client and server files to common directory fs/smb
2023-06-28 11:12:40 +02:00
mbcache.c
ext4: fix deadlock due to mbcache entry corruption
2023-01-07 11:12:02 +01:00
mount.h
…
mpage.c
…
namei.c
fs: Create a generic is_dot_dotdot() utility
2024-10-17 15:21:17 +02:00
namespace.c
mount: handle OOM on mnt_warn_timestamp_expiry
2024-10-17 15:20:37 +02:00
no-block.c
…
nsfs.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
open.c
openat2: explicitly return -E2BIG for (usize > PAGE_SIZE)
2024-11-01 01:56:06 +01:00
pipe.c
fs/pipe: Fix lockdep false-positive in watchqueue pipe_write()
2024-04-10 16:28:30 +02:00
pnode.c
pnode: terminate at peers of source
2023-01-04 11:29:01 +01:00
pnode.h
…
posix_acl.c
Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-10 17:53:04 -07:00
proc_namespace.c
…
read_write.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
readdir.c
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
remap_range.c
…
select.c
fs/select: rework stack allocation hack for clang
2024-03-26 18:20:28 -04:00
seq_file.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
signalfd.c
…
splice.c
mm: merge folio_has_private()/filemap_release_folio() call pairs
2024-01-10 17:10:31 +01:00
stack.c
…
stat.c
vfs: support STATX_DIOALIGN on block devices
2022-09-11 19:47:12 -05:00
statfs.c
statfs: enforce statfs[64] structure initialization
2023-05-24 17:32:51 +01:00
super.c
fs: don't allow non-init s_user_ns for filesystems without FS_USERNS_MOUNT
2024-08-03 08:49:53 +02:00
sync.c
…
sysctls.c
…
timerfd.c
…
userfaultfd.c
Fix userfaultfd_api to return EINVAL as expected
2024-07-18 13:18:41 +02:00
utimes.c
…
xattr.c
fs: don't audit the capability check in simple_xattr_list()
2022-12-31 13:31:55 +01:00