| commit | b66541422824cf6cf20e9a35112e9cb5d82cdf62 | [log] [tgz] |
|---|---|---|
| author | Ye Bin <yebin10@huawei.com> | Tue Jul 13 10:27:28 2021 +0800 |
| committer | Theodore Ts'o <tytso@mit.edu> | Fri Jul 23 07:31:29 2021 -0400 |
| tree | a77165579a22e732bfbf9e28a55a5ffdba51a142 | |
| parent | 2734d6c1b1a089fb593ef6a23d4b70903526fe0c [diff] |
ext4: fix potential uninitialized access to retval in kmmpd
if (!ext4_has_feature_mmp(sb)) then retval can be unitialized before
we jump to the wait_to_exit label.
Fixes: 61bb4a1c417e ("ext4: fix possible UAF when remounting r/o a mmp-protected file system")
Signed-off-by: Ye Bin <yebin10@huawei.com>
Link: https://lore.kernel.org/r/20210713022728.2533770-1-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>