linux-kernel - Re: [syzbot] [ocfs2?] general protection fault in ocfs2_evict

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Message-ID: <tencent_D3EE1B172523BACABBF633209E3D1BF84B08@qq.com>
Date: Tue, 19 Aug 2025 21:09:30 +0800
From: Edward Adam Davis <eadavis@...com>
To: syzbot+47d8cb2f2cc1517e515a@...kaller.appspotmail.com
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ocfs2?] general protection fault in ocfs2_evict_inode (2)

#syz test

diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 14bf440ea4df..6c4f78f473fb 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -1281,6 +1281,9 @@ static void ocfs2_clear_inode(struct inode *inode)
 	 * the journal is flushed before journal shutdown. Thus it is safe to
 	 * have inodes get cleaned up after journal shutdown.
 	 */
+	if (!osb->journal)
+		return;
+
 	jbd2_journal_release_jbd_inode(osb->journal->j_journal,
 				       &oi->ip_jinode);
 }