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Ye Bin e7385c868e jbd2: fix potential buffer head reference count leak 
commit e0d5fc7a6d80ac2406c7dfc6bb625201d0250a8a upstream.

As in 'jbd2_fc_wait_bufs' if buffer isn't uptodate, will return -EIO without
update 'journal->j_fc_off'. But 'jbd2_fc_release_bufs' will release buffer head
from ‘j_fc_off - 1’ if 'bh' is NULL will terminal release which will lead to
buffer head buffer head reference count leak.
To solve above issue, update 'journal->j_fc_off' before return -EIO.

Cc: stable@kernel.org
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220914100812.1414768-2-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-10-26 12:34:28 +02:00
..
9p
9p: fix a bunch of checkpatch warnings
2022-08-17 14:24:07 +02:00
adfs
…
affs
…
afs
afs: Return -EAGAIN, not -EREMOTEIO, when a file already locked
2022-09-23 14:15:51 +02:00
autofs
autofs: fix wait name hash calculation in autofs_wait()
2021-10-20 21:09:02 -04:00
befs
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
bfs
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btrfs
btrfs: set generation before calling btrfs_clean_tree_block in btrfs_init_new_buffer
2022-10-26 12:34:27 +02:00
cachefiles
fs: add is_idmapped_mnt() helper
2022-07-02 16:41:14 +02:00
ceph
ceph: don't truncate file in atomic_open
2022-10-15 07:59:01 +02:00
cifs
cifs: Fix the error length of VALIDATE_NEGOTIATE_INFO message
2022-10-26 12:34:19 +02:00
coda
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configfs
configfs: fix a race in configfs_{,un}register_subsystem()
2022-03-02 11:48:02 +01:00
cramfs
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crypto
fscrypt: allow 256-bit master keys with AES-256-XTS
2021-11-18 19:16:11 +01:00
debugfs
debugfs: add debugfs_lookup_and_remove()
2022-09-15 11:30:02 +02:00
devpts
fsnotify: fix fsnotify hooks in pseudo filesystems
2022-02-01 17:27:01 +01:00
dlm
fs: dlm: handle -EBUSY first in lock arg validation
2022-10-26 12:34:20 +02:00
ecryptfs
fs: add is_idmapped_mnt() helper
2022-07-02 16:41:14 +02:00
efivarfs
…
efs
…
erofs
erofs: fix pcluster use-after-free on UP platforms
2022-09-15 11:30:06 +02:00
exfat
exfat: use updated exfat_chain directly during renaming
2022-07-29 17:25:30 +02:00
exportfs
exportfs: support idmapped mounts
2022-06-09 10:23:32 +02:00
ext2
ext2: Add more validity checks for inode counts
2022-08-17 14:23:00 +02:00
ext4
ext4: use locality group preallocation for small closed files
2022-09-28 11:11:58 +02:00
f2fs
f2fs: fix to do sanity check on summary info
2022-10-26 12:34:28 +02:00
fat
fat: add ratelimit to fat*_ent_bread()
2022-06-09 10:22:42 +02:00
freevxfs
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fscache
fscache: Remove an unused static variable
2021-10-04 22:13:12 +01:00
fuse
fuse: Remove the control interface for virtio-fs
2022-08-17 14:24:11 +02:00
gfs2
gfs2: Fix gfs2_file_buffered_write endless loop workaround
2022-07-12 16:34:59 +02:00
hfs
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hfsplus
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hostfs
hostfs: support splice_write
2021-08-26 22:28:02 +02:00
hpfs
…
hugetlbfs
hugetlbfs: fix hugetlbfs_statfs() locking
2022-06-09 10:23:11 +02:00
iomap
iomap: iomap_write_failed fix
2022-06-09 10:22:55 +02:00
isofs
isofs: Fix out of bound access for corrupted isofs image
2021-11-12 15:05:50 +01:00
jbd2
jbd2: fix potential buffer head reference count leak
2022-10-26 12:34:28 +02:00
jffs2
jffs2: fix memory leak in jffs2_do_fill_super
2022-06-14 18:36:10 +02:00
jfs
fs: jfs: fix possible NULL pointer dereference in dbFree()
2022-06-09 10:22:41 +02:00
kernfs
kernfs: Separate kernfs_pr_cont_buf and rename_lock.
2022-06-14 18:36:22 +02:00
ksmbd
ksmbd: Fix user namespace mapping
2022-10-26 12:34:26 +02:00
lockd
lockd: detect and reject lock arguments that overflow
2022-08-17 14:22:47 +02:00
minix
minix: fix bug when opening a file with O_DIRECT
2022-04-13 20:59:10 +02:00
netfs
netfs: fix parameter of cleanup()
2021-12-29 12:28:59 +01:00
nfs
NFSv4: Fixes for nfs4_inode_return_delegation()
2022-09-28 11:11:57 +02:00
nfs_common
nfs: Fix kerneldoc warning shown up by W=1
2021-10-04 22:02:17 +01:00
nfsd
NFSD: Protect against send buffer overflow in NFSv3 READ
2022-10-26 12:34:25 +02:00
nilfs2
nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure
2022-10-15 07:59:01 +02:00
nls
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notify
fsnotify: fix wrong lockdep annotations
2022-06-09 10:22:50 +02:00
ntfs
ntfs: fix BUG_ON in ntfs_lookup_inode_by_name()
2022-10-05 10:39:37 +02:00
ntfs3
fs/ntfs3: Fix work with fragmented xattr
2022-09-05 10:30:10 +02:00
ocfs2
Revert "ocfs2: mount shared volume without ha stack"
2022-08-03 12:03:41 +02:00
omfs
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openpromfs
…
orangefs
orangefs: Fix the size of a memory allocation in orangefs_bufmap_alloc()
2022-01-20 09:13:13 +01:00
overlayfs
ovl: warn if trusted xattr creation fails
2022-08-25 11:40:43 +02:00
proc
mm/smaps: don't access young/dirty bit if pte unpresent
2022-08-31 17:16:37 +02:00
pstore
pstore: Don't use semaphores in always-atomic-context code
2022-04-08 14:23:01 +02:00
qnx4
qnx4: work around gcc false positive warning bug
2021-09-21 08:36:48 -07:00
qnx6
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quota
quota: Check next/prev free block number after reading from quota file
2022-10-26 12:34:21 +02:00
ramfs
…
reiserfs
Kbuild updates for v5.15
2021-09-03 15:33:47 -07:00
romfs
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smbfs_common
cifs: Fix crash on unload of cifs_arc4.ko
2021-12-14 10:57:12 +01:00
squashfs
squashfs: use bvec_virt
2021-08-16 10:50:32 -06:00
sysfs
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sysv
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tracefs
tracefs: Only clobber mode/uid/gid on remount if asked
2022-09-20 12:39:43 +02:00
ubifs
ubifs: rename_whiteout: correct old_dir size computing
2022-04-08 14:24:08 +02:00
udf
udf: Avoid using stale lengthOfImpUse
2022-05-15 20:18:52 +02:00
ufs
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
unicode
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vboxsf
vboxfs: fix broken legacy mount signature checking
2021-09-27 11:26:21 -07:00
verity
fs-verity: fix signed integer overflow with i_size near S64_MAX
2021-09-22 10:56:34 -07:00
xfs
fs: record I_DIRTY_TIME even if inode already has I_DIRTY_INODE
2022-10-26 12:34:27 +02:00
zonefs
block: add a bdev_max_zone_append_sectors helper
2022-08-31 17:16:34 +02:00
aio.c
aio: Fix incorrect usage of eventfd_signal_allowed()
2021-12-14 10:57:22 +01:00
anon_inodes.c
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attr.c
vfs: Check the truncate maximum size in inode_newsize_ok()
2022-08-17 14:22:50 +02:00
bad_inode.c
vfs: add rcu argument to ->get_acl() callback
2021-08-18 22:08:24 +02:00
binfmt_aout.c
binfmt: a.out: Fix bogus semicolon
2021-09-05 10:15:05 -07:00
binfmt_elf_fdpic.c
coredump: Snapshot the vmas in do_coredump
2022-04-08 14:24:17 +02:00
binfmt_elf.c
coredump: Use the vma snapshot in fill_files_note
2022-04-08 14:24:18 +02:00
binfmt_flat.c
binfmt_flat: do not stop relocating GOT entries prematurely on riscv
2022-06-09 10:22:26 +02:00
binfmt_misc.c
…
binfmt_script.c
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buffer.c
mm: fs: fix lru_cache_disabled race in bh_lru
2022-04-08 14:22:54 +02:00
char_dev.c
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compat_binfmt_elf.c
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coredump.c
coredump: Use the vma snapshot in fill_files_note
2022-04-08 14:24:18 +02:00
d_path.c
d_path: make 'prepend()' fill up the buffer exactly on overflow
2021-09-02 10:07:29 -07:00
dax.c
fsdax: Fix infinite loop in dax_iomap_rw()
2022-09-28 11:11:56 +02:00
dcache.c
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direct-io.c
…
drop_caches.c
fs: drop_caches: fix skipping over shadow cache inodes
2021-09-03 09:58:10 -07:00
eventfd.c
eventfd: Export eventfd_wake_count to modules
2021-09-06 07:20:56 -04:00
eventpoll.c
epoll: autoremove wakers even more aggressively
2022-08-17 14:22:59 +02:00
exec.c
posix-cpu-timers: Cleanup CPU timers before freeing them during exec
2022-08-17 14:24:19 +02:00
fcntl.c
Merge branch 'akpm' (patches from Andrew)
2021-09-03 10:08:28 -07:00
fhandle.c
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file_table.c
SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
2022-05-18 10:26:57 +02:00
file.c
fs: fix fd table size alignment properly
2022-04-08 14:23:54 +02:00
filesystems.c
fs: simplify get_filesystem_list / get_all_fs_names
2021-08-23 01:25:40 -04:00
fs_context.c
vfs: fs_context: fix up param length parsing in legacy_parse_param
2022-01-20 09:13:14 +01:00
fs_parser.c
namei: Standardize callers of filename_lookup()
2021-09-07 16:07:47 -04:00
fs_pin.c
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fs_struct.c
…
fs_types.c
…
fs-writeback.c
fs: record I_DIRTY_TIME even if inode already has I_DIRTY_INODE
2022-10-26 12:34:27 +02:00
fsopen.c
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init.c
…
inode.c
fs: fix UAF/GPF bug in nilfs_mdt_destroy
2022-10-12 09:53:26 +02:00
internal.h
fs: split off setxattr_copy and do_setxattr function from setxattr
2022-10-05 10:39:44 +02:00
io_uring.c
io_uring/net: don't update msg_name if not provided
2022-10-26 12:34:18 +02:00
io-wq.c
io-wq: drop wqe lock before creating new worker
2021-12-22 09:32:51 +01:00
io-wq.h
io-wq: provide a way to limit max number of workers
2021-08-29 07:55:55 -06:00
ioctl.c
fs: fix an infinite loop in iomap_fiemap
2022-05-25 09:57:26 +02:00
Kconfig
4 cifs/smb3 fixes, one for DFS reconnect, and one to begin creating common headers for server and client and the other two to rename the cifs_common directory to smbfs_common to be more consistent ie change use of the name cifs to smb which is more accurate
2021-09-12 10:10:21 -07:00
Kconfig.binfmt
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kernel_read_file.c
vfs: check fd has read access in kernel_read_file_from_fd()
2021-10-18 20:22:03 -10:00
libfs.c
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locks.c
Revert "memcg: enable accounting for file lock caches"
2021-09-07 11:21:48 -07:00
Makefile
4 cifs/smb3 fixes, one for DFS reconnect, and one to begin creating common headers for server and client and the other two to rename the cifs_common directory to smbfs_common to be more consistent ie change use of the name cifs to smb which is more accurate
2021-09-12 10:10:21 -07:00
mbcache.c
mbcache: add functions to delete entry if unused
2022-08-17 14:22:57 +02:00
mount.h
…
mpage.c
…
namei.c
__follow_mount_rcu(): verify that mount_lock remains unchanged
2022-08-17 14:24:19 +02:00
namespace.c
fs: require CAP_SYS_ADMIN in target namespace for idmapped mounts
2022-08-31 17:16:37 +02:00
no-block.c
…
nsfs.c
…
open.c
fs: support mapped mounts of mapped filesystems
2022-07-02 16:41:17 +02:00
pipe.c
pipe: Fix missing lock in pipe_resize_ring()
2022-06-06 08:43:37 +02:00
pnode.c
…
pnode.h
…
posix_acl.c
fs: fix acl translation
2022-07-02 16:41:17 +02:00
proc_namespace.c
fs: add is_idmapped_mnt() helper
2022-07-02 16:41:14 +02:00
read_write.c
fs: sendfile handles O_NONBLOCK of out_fd
2022-08-03 12:03:41 +02:00
readdir.c
…
remap_range.c
fs/remap: constrain dedupe of EOF blocks
2022-07-21 21:24:14 +02:00
select.c
select: Fix indefinitely sleeping task in poll_schedule_timeout()
2022-01-29 10:58:25 +01:00
seq_file.c
rxrpc: Fix locking issue
2022-07-12 16:35:08 +02:00
signalfd.c
signalfd: use wake_up_pollfree()
2021-12-14 10:57:15 +01:00
splice.c
Revert "fs: check FMODE_LSEEK to control internal pipe splicing"
2022-10-26 12:34:17 +02:00
stack.c
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stat.c
stat: fix inconsistency between struct stat and struct compat_stat
2022-04-27 14:38:57 +02:00
statfs.c
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super.c
vfs: make freeze_super abort when sync_filesystem returns error
2022-02-23 12:03:05 +01:00
sync.c
vfs: make sync_filesystem return errors from ->sync_fs
2022-04-27 14:38:50 +02:00
timerfd.c
timerfd: Provide timerfd_resume()
2021-08-10 17:57:22 +02:00
userfaultfd.c
userfaultfd: fix a race between writeprotect and exit_mmap()
2021-10-18 20:22:02 -10:00
utimes.c
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xattr.c
fs: split off setxattr_copy and do_setxattr function from setxattr
2022-10-05 10:39:44 +02:00