Re: [PATCH v4] net: ravb: Fix possible UAF bug in ravb_remove

To: <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Subject: Re: [PATCH v4] net: ravb: Fix possible UAF bug in ravb_remove
From: "Behme Dirk (CM/ESO2)" <dirk.behme@xxxxxxxxxxxx>
Date: Tue, 10 Oct 2023 14:59:14 +0200
Cc: <s.shtylyov@xxxxxx>, <lee@xxxxxxxxxx>, <linyunsheng@xxxxxxxxxx>, <davem@xxxxxxxxxxxxx>, <edumazet@xxxxxxxxxx>, <pabeni@xxxxxxxxxx>, <richardcochran@xxxxxxxxx>, <p.zabel@xxxxxxxxxxxxxx>, <geert+renesas@xxxxxxxxx>, <magnus.damm@xxxxxxxxx>, <biju.das.jz@xxxxxxxxxxxxxx>, <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>, <netdev@xxxxxxxxxxxxxxx>, <linux-renesas-soc@xxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <hackerzheng666@xxxxxxxxx>, <1395428693sheep@xxxxxxxxx>, <alex000young@xxxxxxxxx>, Zheng Wang <zyytlz.wz@xxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Dirk Behme <dirk.behme@xxxxxxxxxxxx>
In-reply-to: <20230725201952.2f23bb3b@kernel.org>
References: <20230725030026.1664873-1-zyytlz.wz@163.com> <20230725201952.2f23bb3b@kernel.org>
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1


On 26.07.2023 05:19, Jakub Kicinski wrote:
...

The fact that ravb_tx_timeout_work doesn't take any locks seems much
more suspicious.

Does anybody plan to look into this, too?

Best regards

Dirk

Follow-Ups:
- RE: [PATCH v4] net: ravb: Fix possible UAF bug in ravb_remove
  - From: Yoshihiro Shimoda

References:
- [PATCH v4] net: ravb: Fix possible UAF bug in ravb_remove
  - From: Zheng Wang
- Re: [PATCH v4] net: ravb: Fix possible UAF bug in ravb_remove
  - From: Jakub Kicinski