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Date:   Thu, 03 Nov 2016 16:19:41 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     eric.dumazet@...il.com
Cc:     andreyknvl@...gle.com, gerrit@....abdn.ac.uk, dccp@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller@...glegroups.com, kcc@...gle.com,
        glider@...gle.com, edumazet@...gle.com, dvyukov@...gle.com
Subject: Re: [PATCH net] dccp: do not send reset to already closed sockets

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 02 Nov 2016 18:04:24 -0700

> From: Eric Dumazet <edumazet@...gle.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@...gle.com>
> Reported-by: Andrey Konovalov <andreyknvl@...gle.com>
> Tested-by: Andrey Konovalov <andreyknvl@...gle.com>

Applied and queued up for -stable.

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