linux-kernel - Re: [PATCH 0/2] net: fix use-after-free bugs

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Message-ID: <b30b28c5-5e96-6f5e-a43d-141419dda6ae@intel.com>
Date:   Wed, 4 Aug 2021 11:38:05 -0700
From:   Jesse Brandeburg <jesse.brandeburg@...el.com>
To:     Pavel Skripkin <paskripkin@...il.com>, <davem@...emloft.net>,
        <kuba@...nel.org>, <qiangqing.zhang@....com>,
        <hslester96@...il.com>, <fugang.duan@....com>, <jdmason@...zu.us>,
        <colin.king@...onical.com>
CC:     <dan.carpenter@...cle.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/2] net: fix use-after-free bugs

On 8/4/2021 8:48 AM, Pavel Skripkin wrote:
> I've added new checker to smatch yesterday. It warns about using
> netdev_priv() pointer after free_{netdev,candev}() call. I hope, it will
> get into next smatch release.
>
> Some of the reported bugs are fixed and upstreamed already, but Dan ran new
> smatch with allmodconfig and found 2 more. Big thanks to Dan for doing it,
> because I totally forgot to do it.
>
> Pavel Skripkin (2):
>   net: fec: fix use-after-free in fec_drv_remove
>   net: vxge: fix use-after-free in vxge_device_unregister
>
>  drivers/net/ethernet/freescale/fec_main.c      | 2 +-
>  drivers/net/ethernet/neterion/vxge/vxge-main.c | 6 +++---
>  2 files changed, 4 insertions(+), 4 deletions(-)


Looks like a good new check! For the series:

Reviewed-by: Jesse Brandeburg <jesse.brandeburg@...el.com>