netdev - Re: [PATCH net] dccp: purge write queue in dccp_destroy

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Message-Id: <20170814.222912.1991335275723485614.davem@davemloft.net>
Date:   Mon, 14 Aug 2017 22:29:12 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     eric.dumazet@...il.com
Cc:     netdev@...r.kernel.org, gerrit@....abdn.ac.uk
Subject: Re: [PATCH net] dccp: purge write queue in dccp_destroy_sock()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 14 Aug 2017 14:10:25 -0700

> From: Eric Dumazet <edumazet@...gle.com>
> 
> syzkaller reported that DCCP could have a non empty
> write queue at dismantle time.
> 
> WARNING: CPU: 1 PID: 2953 at net/core/stream.c:199 sk_stream_kill_queues+0x3ce/0x520 net/core/stream.c:199
> Kernel panic - not syncing: panic_on_warn set ...
 ...
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Reported-by: Dmitry Vyukov <dvyukov@...gle.com>

Applied and queued up for -stable, thanks.