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| author | Ye Bin <[email protected]> | 2022-09-14 10:08:12 +0000 |
|---|---|---|
| committer | Theodore Ts'o <[email protected]> | 2022-10-01 03:46:52 +0000 |
| commit | 243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd (patch) | |
| tree | 03104b6889bdf97ca76bd508ab80c03f1838d4af /fs/ext4/fast_commit.c | |
| parent | jbd2: fix potential buffer head reference count leak (diff) | |
| download | kernel-243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd.tar.gz kernel-243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd.zip | |
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: [email protected]
Signed-off-by: Ye Bin <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Theodore Ts'o <[email protected]>
Diffstat (limited to 'fs/ext4/fast_commit.c')
0 files changed, 0 insertions, 0 deletions