From: David Miller <davem@davemloft.net>
To: hayeswang@realtek.com
Cc: netdev@vger.kernel.org, petr.vorel@gmail.com,
nic_swsd@realtek.com, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org
Subject: Re: [PATCH net] r8152: fix the list rx_done may be used without initialization
Date: Tue, 21 Mar 2017 14:37:29 -0700 (PDT) [thread overview]
Message-ID: <20170321.143729.15606239118290633.davem@davemloft.net> (raw)
In-Reply-To: <1394712342-15778-252-Taiwan-albertk@realtek.com>
From: Hayes Wang <hayeswang@realtek.com>
Date: Tue, 14 Mar 2017 14:15:20 +0800
> The list rx_done would be initialized when the linking on occurs.
> Therefore, if a napi is scheduled without any linking on before,
> the following kernel panic would happen.
>
> BUG: unable to handle kernel NULL pointer dereference at 000000000000008
> IP: [<ffffffffc085efde>] r8152_poll+0xe1e/0x1210 [r8152]
> PGD 0
> Oops: 0002 [#1] SMP
>
> Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Applied.
prev parent reply other threads:[~2017-03-21 21:46 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-13 12:47 [PATCH 1/1] r8152: fix NULL pointer dereference in r8152_poll Petr Vorel
2017-03-13 13:18 ` Eric Dumazet
2017-03-13 13:19 ` Eric Dumazet
2017-03-13 15:37 ` Petr Vorel
2017-03-13 15:44 ` Eric Dumazet
2017-03-13 15:46 ` Eric Dumazet
2017-03-13 21:57 ` Petr Vorel
2017-03-14 6:15 ` [PATCH net] r8152: fix the list rx_done may be used without initialization Hayes Wang
2017-03-14 8:53 ` Petr Vorel
2017-03-14 9:17 ` Hayes Wang
2017-03-21 21:37 ` David Miller [this message]
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