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| author | Lizhi Xu <lizhi.xu@windriver.com> | 2023-10-09 17:45:57 +0800 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-10-28 13:29:22 +0200 |
| commit | 6306ff39a7fcb7e9c59a00e6860b933b71a2ed3e (patch) | |
| tree | f3fb80d090096bbe608a458e38f582c5c279bd02 /block/ioctl.c | |
| parent | b3856da7906257a80a764d3dfc6b25e876a4403c (diff) | |
jfs: fix log->bdev_handle null ptr deref in lbmStartIO
When sbi->flag is JFS_NOINTEGRITY in lmLogOpen(), log->bdev_handle can't
be inited, so it value will be NULL.
Therefore, add the "log ->no_integrity=1" judgment in lbmStartIO() to avoid such
problems.
Reported-and-tested-by: syzbot+23bc20037854bb335d59@syzkaller.appspotmail.com
Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com>
Link: https://lore.kernel.org/r/20231009094557.1398920-1-lizhi.xu@windriver.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'block/ioctl.c')
0 files changed, 0 insertions, 0 deletions