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From: Ye Bin <yebin10@huawei.com>
To: <tytso@mit.edu>, <adilger.kernel@dilger.ca>,
	<linux-ext4@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>, <jack@suse.cz>,
	Ye Bin <yebin10@huawei.com>
Subject: [PATCH -next] jbd2: add miss release buffer head in fc_do_one_pass()
Date: Sat, 17 Sep 2022 17:38:05 +0800	[thread overview]
Message-ID: <20220917093805.1782845-1-yebin10@huawei.com> (raw)

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

Signed-off-by: Ye Bin <yebin10@huawei.com>
---
 fs/jbd2/recovery.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index 1f878c315b03..8286a9ec122f 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -261,6 +261,7 @@ static int fc_do_one_pass(journal_t *journal,
 		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;
-- 
2.31.1


             reply	other threads:[~2022-09-17  9:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-17  9:38 Ye Bin [this message]
2022-09-19 12:43 ` [PATCH -next] jbd2: add miss release buffer head in fc_do_one_pass() Jan Kara
2022-09-30  3:19 ` Theodore Ts'o

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