From: Hillf Danton <hdanton@sina.com>
To: Pauli Virtanen <pav@iki.fi>
Cc: linux-bluetooth@vger.kernel.org, marcel@holtmann.org,
luiz.dentz@gmail.com, linux-kernel@vger.kernel.org,
syzbot+e6382a2f53f5fc7453ac@syzkaller.appspotmail.com,
syzkaller-bugs@googlegroups.com
Subject: Re: [PATCH] Bluetooth: L2CAP: fix race l2cap_sock_cleanup_listen() vs. put_chan
Date: Tue, 4 Aug 2026 16:16:49 +0800 [thread overview]
Message-ID: <20260804081650.937-1-hdanton@sina.com> (raw)
In-Reply-To: <152f33eec417ee82f74df8be814e68a6064d2efb.camel@iki.fi>
On Tue, 04 Aug 2026 08:40:16 +0300 Pauli Virtanen wrote:
>
> There is no UAF there, Task 1 holds a reference on sk at this point, if
> you look at the code sock_put() follows.
>
If the subsequent put works without both race and mm leak, then it is the
very evidence of uaf with race.
next prev parent reply other threads:[~2026-08-04 8:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-02 12:12 [PATCH] Bluetooth: L2CAP: fix race l2cap_sock_cleanup_listen() vs. put_chan Pauli Virtanen
2026-08-02 13:42 ` bluez.test.bot
2026-08-03 6:13 ` [PATCH] " Hillf Danton
2026-08-03 16:53 ` Pauli Virtanen
2026-08-04 0:47 ` Hillf Danton
2026-08-04 5:40 ` Pauli Virtanen
2026-08-04 8:16 ` Hillf Danton [this message]
2026-08-04 16:06 ` Pauli Virtanen
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