From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+cdae834448ec8c3602fe@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in l2cap_sock_new_connection_cb
Date: Tue, 25 Nov 2025 20:13:58 +0800 [thread overview]
Message-ID: <tencent_C56C949648E87AEC7ECDB079DA6E1C2DF10A@qq.com> (raw)
In-Reply-To: <6923d897.a70a0220.2ea503.0077.GAE@google.com>
#syz test
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 814fb8610ac4..6f2740d55dc0 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1422,7 +1422,7 @@ static int l2cap_sock_release(struct socket *sock)
if (!sk)
return 0;
- lock_sock_nested(sk, L2CAP_NESTING_PARENT);
+ lock_sock(sk);
l2cap_sock_cleanup_listen(sk);
release_sock(sk);
next prev parent reply other threads:[~2025-11-25 12:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-21 8:46 syzbot
2025-11-24 4:01 ` syzbot
2025-11-25 12:13 ` Edward Adam Davis [this message]
2025-11-25 12:50 ` syzbot
2025-11-25 13:07 ` Edward Adam Davis
2025-11-25 13:46 ` syzbot
2025-11-25 13:55 ` Edward Adam Davis
2025-11-25 14:54 ` syzbot
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