From: syzbot <syzbot+c37bed40868932d790e9@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Forwarded: BUG: corrupted list in nilfs_lookup_dirty_data_buffers
Date: Wed, 24 Jun 2026 17:29:17 -0700 [thread overview]
Message-ID: <6a3c765d.e7285e42.18f31f.0000.GAE@google.com> (raw)
In-Reply-To: <6a3c371b.80e5668d.5d0ef.0000.GAE@google.com>
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Subject: BUG: corrupted list in nilfs_lookup_dirty_data_buffers
Author: nico.antinori.7@gmail.com
#syz test
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -741,6 +741,10 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode,
do {
if (!buffer_dirty(bh) || buffer_async_write(bh))
continue;
+
+ if (list_empty(&bh->b_assoc_buffers))
+ continue;
+
get_bh(bh);
list_add_tail(&bh->b_assoc_buffers, listp);
ndirties++;
next prev parent reply other threads:[~2026-06-25 0:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-24 19:59 [syzbot] [nilfs?] " syzbot
2026-06-25 0:29 ` syzbot [this message]
2026-06-25 9:14 ` [PATCH] nilfs2: prevent double insertion of b_assoc_buffers in dirty buffer lookup wuyankun
2026-06-25 9:49 ` [syzbot] [nilfs?] BUG: corrupted list in nilfs_lookup_dirty_data_buffers syzbot
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