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From: Edward Adam Davis <eadavis@sina.com>
To: syzbot+743079a09058321247d8@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [jffs2?] possible deadlock in jffs2_do_clear_inode (2)
Date: Fri, 11 Sep 2026 19:41:08 +0800	[thread overview]
Message-ID: <20260911114108.855991-1-eadavis@sina.com> (raw)
In-Reply-To: <6aa351f4.6e6c5f9e.28f11f.003b.GAE@google.com>

From: Edward Aadm Davis <eadavis@sina.com>

#syz test: upstream 50d05c7c76c9

diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index 1caabff9dc91..6d0c766fe801 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -1416,6 +1416,9 @@ void jffs2_do_clear_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f)
 	int deleted;
 
 	jffs2_xattr_delete_inode(c, f->inocache);
+	if (!f->inocache && !f->metadata)
+		return;
+
 	mutex_lock(&f->sem);
 	deleted = f->inocache && !f->inocache->pino_nlink;
 

  parent reply	other threads:[~2026-09-11 11:41 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-07  0:00 syzbot
2026-09-07 20:14 ` syzbot
2026-09-11  0:57 ` syzbot
2026-09-11  3:03   ` Edward Adam Davis
2026-09-11  3:26     ` syzbot
2026-09-11  7:55   ` Edward Adam Davis
2026-09-11  8:19     ` syzbot
2026-09-11  8:28   ` Edward Adam Davis
2026-09-11  8:45     ` syzbot
2026-09-11 11:41   ` Edward Adam Davis [this message]
2026-09-11 12:18     ` syzbot

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