[PATCH 5.19 121/717] jbd2: add miss release buffer head in fc_do_one_pass()

From: Greg Kroah-Hartman
Date: Sat Oct 22 2022 - 03:42:47 EST


From: Ye Bin <yebin10@xxxxxxxxxx>

commit dfff66f30f66b9524b661f311bbed8ff3d2ca49f upstream.

In fc_do_one_pass() miss release buffer head after use which will lead
to reference count leak.

Cc: stable@xxxxxxxxxx
Signed-off-by: Ye Bin <yebin10@xxxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Link: https://lore.kernel.org/r/20220917093805.1782845-1-yebin10@xxxxxxxxxx
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/jbd2/recovery.c | 1 +
1 file changed, 1 insertion(+)

--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -256,6 +256,7 @@ static int fc_do_one_pass(journal_t *jou
err = journal->j_fc_replay_callback(journal, bh, pass,
next_fc_block - journal->j_fc_first,
expected_commit_id);
+ brelse(bh);
next_fc_block++;
if (err < 0 || err == JBD2_FC_REPLAY_STOP)
break;