iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/fs/f2fs
History
Jaegeuk Kim 83dbb9a1bd f2fs: fix kernel crash due to null io->bio 
commit 267c159f9c7bcb7009dae16889b880c5ed8759a8 upstream.

We should return when io->bio is null before doing anything. Otherwise, panic.

BUG: kernel NULL pointer dereference, address: 0000000000000010
RIP: 0010:__submit_merged_write_cond+0x164/0x240 [f2fs]
Call Trace:
 <TASK>
 f2fs_submit_merged_write+0x1d/0x30 [f2fs]
 commit_checkpoint+0x110/0x1e0 [f2fs]
 f2fs_write_checkpoint+0x9f7/0xf00 [f2fs]
 ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs]
 __checkpoint_and_complete_reqs+0x84/0x190 [f2fs]
 ? preempt_count_add+0x82/0xc0
 ? __pfx_issue_checkpoint_thread+0x10/0x10 [f2fs]
 issue_checkpoint_thread+0x4c/0xf0 [f2fs]
 ? __pfx_autoremove_wake_function+0x10/0x10
 kthread+0xff/0x130
 ? __pfx_kthread+0x10/0x10
 ret_from_fork+0x2c/0x50
 </TASK>

Cc: stable@vger.kernel.org # v5.18+
Fixes: 64bf0eef0171 ("f2fs: pass the bio operation to bio_alloc_bioset")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-10 09:34:09 +01:00
..
acl.c
f2fs: port to vfs{g,u}id_t and associated helpers
2022-10-04 13:31:43 -07:00
acl.h
vfs: add rcu argument to ->get_acl() callback
2021-08-18 22:08:24 +02:00
checkpoint.c
f2fs: support recording stop_checkpoint reason into super_block
2022-10-04 13:31:44 -07:00
compress.c
f2fs: set zstd compress level correctly
2022-12-31 13:32:36 +01:00
data.c
f2fs: fix kernel crash due to null io->bio
2023-03-10 09:34:09 +01:00
debug.c
f2fs: change to use atomic_t type form sbi.atomic_files
2022-10-07 12:57:26 -07:00
dir.c
f2fs: support recording errors into superblock
2022-10-04 13:31:45 -07:00
extent_cache.c
f2fs: let's avoid panic if extent_tree is not created
2023-01-24 07:24:32 +01:00
f2fs.h
f2fs: fix to enable compress for newly created file if extension matches
2022-12-31 13:32:36 +01:00
file.c
f2fs: allow to set compression for inlined file
2022-12-31 13:32:31 +01:00
gc.c
f2fs: fix to do sanity check on i_extra_isize in is_alive()
2023-02-09 11:28:27 +01:00
gc.h
f2fs: remove redundant code for gc condition
2022-07-30 20:16:20 -07:00
hash.c
f2fs: don't use casefolded comparison for "." and ".."
2022-05-17 11:19:23 -07:00
inline.c
f2fs: fix information leak in f2fs_move_inline_dirents()
2023-03-10 09:34:08 +01:00
inode.c
f2fs: retry to update the inode page given data corruption
2023-03-10 09:34:09 +01:00
iostat.c
f2fs: iostat: support accounting compressed IO
2022-08-29 21:15:51 -07:00
iostat.h
f2fs: iostat: support accounting compressed IO
2022-08-29 21:15:51 -07:00
Kconfig
f2fs: introduce F2FS_UNFAIR_RWSEM to support unfair rwsem
2022-03-04 09:15:53 -08:00
Makefile
f2fs: separate out iostat feature
2021-08-23 10:25:51 -07:00
namei.c
f2fs: fix to enable compress for newly created file if extension matches
2022-12-31 13:32:36 +01:00
node.c
f2fs: allow to read node block after shutdown
2023-01-04 11:29:01 +01:00
node.h
f2fs: change the current atomic write way
2022-05-12 10:14:03 -07:00
recovery.c
f2fs: support recording errors into superblock
2022-10-04 13:31:45 -07:00
segment.c
f2fs: fix iostat parameter for discard
2022-12-31 13:32:38 +01:00
segment.h
f2fs: support recording errors into superblock
2022-10-04 13:31:45 -07:00
shrinker.c
f2fs: avoid race condition for shrinker count
2020-12-03 00:59:26 -08:00
super.c
f2fs: initialize locks earlier in f2fs_fill_super()
2023-02-09 11:28:27 +01:00
sysfs.c
f2fs: introduce cp_status sysfs entry
2022-10-04 13:31:44 -07:00
verity.c
- Alistair Popple has a series which addresses a race which causes page
2022-10-14 12:28:43 -07:00
xattr.c
f2fs: support recording errors into superblock
2022-10-04 13:31:45 -07:00
xattr.h
f2fs: code cleanup by removing ifdef macro surrounding
2020-05-26 18:56:10 -07:00