netdev - Re: [PATCH net] tipc: fix use-after-free

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Message-Id: <20170818.160012.1862120618297477185.davem@davemloft.net>
Date:   Fri, 18 Aug 2017 16:00:12 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     eric.dumazet@...il.com
Cc:     netdev@...r.kernel.org, jon.maloy@...csson.com,
        ying.xue@...driver.com
Subject: Re: [PATCH net] tipc: fix use-after-free

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 16 Aug 2017 09:41:54 -0700

> From: Eric Dumazet <edumazet@...gle.com>
> 
> syszkaller reported use-after-free in tipc [1]
> 
> When msg->rep skb is freed, set the pointer to NULL,
> so that caller does not free it again.
 ...
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Reported-by: Dmitry Vyukov  <dvyukov@...gle.com>

Applied and queued up for -stable, thanks Eric.