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Message-ID: <1486042812.13103.27.camel@edumazet-glaptop3.roam.corp.google.com>
Subject: Re: net/tcp: warning in tcp_try_coalesce/skb_try_coalesce
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>,
        Andrey Konovalov <andreyknvl@google.com>,
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        LKML <linux-kernel@vger.kernel.org>,
        Kostya Serebryany <kcc@google.com>,
        syzkaller <syzkaller@googlegroups.com>
Date: Thu, 02 Feb 2017 05:40:12 -0800
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On Thu, 2017-02-02 at 13:59 +0100, Dmitry Vyukov wrote:

> 
> Right, I can confirm that this is not happening on net-next tip
> (62e13097c46c69dbd7544ab2cd585ccf48f360a4).
> I reproduced it on a random month old commit on net-next, though
> (23a8ed4a624324dc696c328f09bd502c4a3816f0). Let's consider that this
> is accidentally fixed by something in that range.

This also might depend on the .config 

I tried 23a8ed4a624324dc696c328f09bd502c4a3816f0 and could not trigger
the warning .

Thanks.