From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] udp: avoid refcount_t saturation in
 __udp_gso_segment()
Date: Fri, 11 May 2018 12:30:10 -0400 (EDT)
Message-ID: <20180511.123010.1270065299599343262.davem@davemloft.net>
References: <20180511020713.159465-1-edumazet@google.com>
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com, willemb@google.com,
        alexander.h.duyck@intel.com
To: edumazet@google.com
Return-path: <netdev-owner@vger.kernel.org>
Received: from shards.monkeyblade.net ([184.105.139.130]:47760 "EHLO
        shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1750950AbeEKQaL (ORCPT
        <rfc822;netdev@vger.kernel.org>); Fri, 11 May 2018 12:30:11 -0400
In-Reply-To: <20180511020713.159465-1-edumazet@google.com>
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>

From: Eric Dumazet <edumazet@google.com>
Date: Thu, 10 May 2018 19:07:13 -0700

> For some reason, Willem thought that the issue we fixed for TCP
> in commit 7ec318feeed1 ("tcp: gso: avoid refcount_t warning from
> tcp_gso_segment()") was not relevant for UDP GSO.
> 
> But syzbot found its way.
 ...
> Fixes: ad405857b174 ("udp: better wmem accounting on gso")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Cc: Willem de Bruijn <willemb@google.com>
> Cc: Alexander Duyck <alexander.h.duyck@intel.com>
> Reported-by: syzbot <syzkaller@googlegroups.com>

Applied, thanks Eric.