Re: [PATCH] can: Fix kernel panic at security_sock_rcv_skb

From	Eric Dumazet <eric.dumazet@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] can: Fix kernel panic at security_sock_rcv_skb
Date	2017-01-13 00:20 +0100
Message-ID	<sYWOZ-1DN-15@gated-at.bofh.it> (permalink)
References	<sYWlY-1cO-15@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, 2017-01-12 at 14:40 -0800, william.c.roberts@intel.com wrote:
> From: Zhang Yanmin <yanmin.zhang@intel.com>
> 
> The patch is for fix the below kernel panic:
> BUG: unable to handle kernel NULL pointer dereference at (null)
> IP: [<ffffffff81495e25>] selinux_socket_sock_rcv_skb+0x65/0x2a0

Same patch was sent earlier, and we gave a feedback on it.

Adding synchronize_rcu() calls is a step backward.

https://patchwork.ozlabs.org/patch/714446/

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[PATCH] can: Fix kernel panic at security_sock_rcv_skb william.c.roberts@intel.com - 2017-01-12 23:50 +0100
  Re: [PATCH] can: Fix kernel panic at security_sock_rcv_skb Eric Dumazet <eric.dumazet@gmail.com> - 2017-01-13 00:20 +0100

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