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Haimin Zhang 701aa3732a jfs: prevent NULL deref in diFree 
[ Upstream commit a530462910 ]

Add validation check for JFS_IP(ipimap)->i_imap to prevent a NULL deref
in diFree since diFree uses it without do any validations.
When function jfs_mount calls diMount to initialize fileset inode
allocation map, it can fail and JFS_IP(ipimap)->i_imap won't be
initialized. Then it calls diFreeSpecial to close fileset inode allocation
map inode and it will flow into jfs_evict_inode. Function jfs_evict_inode
just validates JFS_SBI(inode->i_sb)->ipimap, then calls diFree. diFree use
JFS_IP(ipimap)->i_imap directly, then it will cause a NULL deref.

Reported-by: TCS Robot <tcs_robot@tencent.com>
Signed-off-by: Haimin Zhang <tcs_kernel@tencent.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-06-11 20:43:56 +08:00
..
9p ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
adfs Merge branch 'work.adfs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 11:33:22 -07:00
affs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
afs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
autofs autofs: fix a leak in autofs_expire_indirect() 2019-10-25 00:03:11 -04:00
befs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
bfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
btrfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
cachefiles ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
ceph ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
cgroupfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
cifs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
coda y2038: add inode timestamp clamping 2019-09-19 09:42:37 -07:00
configfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
cramfs cramfs: fix usage on non-MTD device 2019-11-23 21:44:49 -05:00
crypto ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
debugfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
devpts devpts_pty_kill(): don't bother with d_delete() 2019-09-03 09:30:56 -04:00
dlm ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
ecryptfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
efivarfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
efs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
erofs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
exportfs exportfs_decode_fh(): negative pinned may become positive without the parent locked 2019-11-10 11:56:05 -05:00
ext2 ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
ext4 ext4: verify dir block before splitting it 2024-06-11 20:43:55 +08:00
f2fs f2fs: fix to do sanity check on last xattr entry in __f2fs_setxattr() 2024-06-11 20:43:54 +08:00
fat ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
freevxfs fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
fscache Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
fuse fuse: fix pipe buffer lifetime for direct_io 2024-06-11 20:43:53 +08:00
gfs2 ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
hfs treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
hfsplus ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
hostfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
hpfs fs: hpfs: Initialize filesystem timestamp ranges 2019-08-30 08:11:25 -07:00
hugetlbfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
iomap Revert "Merge branch 'pub/lts/caelli_ras' into 'pub/lts/0009-kabi' (merge request !671)" 2024-06-11 20:43:53 +08:00
isofs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
jbd2 ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
jffs2 ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
jfs jfs: prevent NULL deref in diFree 2024-06-11 20:43:56 +08:00
kernfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
lockd ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
minix ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
nfs NFSv4: Handle case where the lookup of a directory fails 2024-06-11 20:43:55 +08:00
nfs_common ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
nfsd ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
nilfs2 ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
nls treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
notify ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
ntfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
ocfs2 ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
omfs fs: omfs: Initialize filesystem timestamp ranges 2019-08-30 08:11:25 -07:00
openpromfs Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
orangefs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
overlayfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
proc ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
pstore ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
qnx4 fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
qnx6 fs: Fill in max and min timestamps in superblock 2019-08-30 07:27:17 -07:00
quota ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
ramfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
reiserfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
romfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
squashfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
sysfs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
sysv fs: sysv: Initialize filesystem timestamp ranges 2019-08-30 07:27:18 -07:00
tracefs tracing: Do not create tracefs files if tracefs lockdown is in effect 2019-10-12 20:49:07 -04:00
ubifs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
udf udf: Fix NULL ptr deref when converting from inline format 2024-06-11 20:43:55 +08:00
ufs ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
unicode unicode: make array 'token' static const, makes object smaller 2019-09-17 11:48:24 -04:00
verity fs-verity: support builtin file signatures 2019-08-12 19:33:50 -07:00
xfs xfs: map unwritten blocks in XFS_IOC_{ALLOC,FREE}SP just like fallocate 2024-06-11 20:43:54 +08:00
Kconfig ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
Kconfig.binfmt binfmt_flat: make support for old format binaries optional 2019-06-24 09:16:47 +10:00
Makefile ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
aio.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
anon_inodes.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
attr.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
bad_inode.c
…
binfmt_aout.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
binfmt_elf.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
binfmt_elf_fdpic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
binfmt_em86.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
binfmt_flat.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
binfmt_misc.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
binfmt_script.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
block_dev.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
buffer.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
char_dev.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
compat.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
compat_binfmt_elf.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
compat_ioctl.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
coredump.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
d_path.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
dax.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
dcache.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
dcookies.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
direct-io.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
drop_caches.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
eventfd.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
eventpoll.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
exec.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
fcntl.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
fhandle.c fs/handle.c - fix up kerneldoc 2019-08-07 21:51:47 -04:00
file.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
file_table.c SUNRPC: Ensure we flush any closed sockets before xs_xprt_free() 2024-06-11 20:43:56 +08:00
filesystems.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
fs-writeback.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
fs_context.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
fs_parser.c vfs: Make fs_parse() handle fs_param_is_fd-type params better 2019-09-12 21:06:14 -04:00
fs_pin.c switch the remnants of releasing the mountpoint away from fs_pin 2019-07-16 22:52:37 -04:00
fs_struct.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
fs_types.c
…
fsopen.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
inode.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
internal.h tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
io_uring.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
ioctl.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
libfs.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
locks.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
mbcache.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
mount.h switch the remnants of releasing the mountpoint away from fs_pin 2019-07-16 22:52:37 -04:00
mpage.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
namei.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
namespace.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
no-block.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
nsfs.c vfs: Convert nsfs to use the new mount API 2019-05-25 18:00:06 -04:00
open.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
pipe.c vfs: Convert pipe to use the new mount API 2019-05-25 18:00:07 -04:00
pnode.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
pnode.h ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
posix_acl.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
proc_namespace.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
read_write.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
readdir.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
select.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
seq_file.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
signalfd.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
splice.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
stack.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
stat.c
…
statfs.c vfs: Fix EOVERFLOW testing in put_compat_statfs64 2019-10-03 14:21:35 -07:00
super.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00
sync.c fs/sync.c: sync_file_range(2) may use WB_SYNC_ALL writeback 2019-05-14 09:47:50 -07:00
timerfd.c timerfd: Prepare for PREEMPT_RT 2019-08-01 20:51:23 +02:00
userfaultfd.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
utimes.c tkernel: add base tlinux kernel interfaces 2024-06-11 20:09:33 +08:00
xattr.c ock: sync codes to ock 5.4.119-20.0009.21 2024-06-11 20:27:38 +08:00