From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] dccp: do not send reset to already closed sockets
Date: Thu, 03 Nov 2016 16:19:41 -0400 (EDT)
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Cc: andreyknvl@google.com, gerrit@erg.abdn.ac.uk, dccp@vger.kernel.org,
        netdev@vger.kernel.org, syzkaller@googlegroups.com, kcc@google.com,
        glider@google.com, edumazet@google.com, dvyukov@google.com
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 02 Nov 2016 18:04:24 -0700

> From: Eric Dumazet <edumazet@google.com>
> 
> Andrey reported following warning while fuzzing with syzkaller
> 
> WARNING: CPU: 1 PID: 21072 at net/dccp/proto.c:83 dccp_set_state+0x229/0x290
> Kernel panic - not syncing: panic_on_warn set ...
 ...
> Fix this the same way we did for TCP in commit 565b7b2d2e63
> ("tcp: do not send reset to already closed sockets")
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reported-by: Andrey Konovalov <andreyknvl@google.com>
> Tested-by: Andrey Konovalov <andreyknvl@google.com>

Applied and queued up for -stable.