| commit | 243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd | [log] [tgz] |
|---|---|---|
| author | Ye Bin <yebin10@huawei.com> | Wed Sep 14 18:08:12 2022 +0800 |
| committer | Theodore Ts'o <tytso@mit.edu> | Fri Sep 30 23:46:52 2022 -0400 |
| tree | 03104b6889bdf97ca76bd508ab80c03f1838d4af | |
| parent | e0d5fc7a6d80ac2406c7dfc6bb625201d0250a8a [diff] |
jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count. 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/20220914100812.1414768-3-yebin10@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>