linux-kernel - Re: possible deadlock in lru_add_drain

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Message-ID: <4284e00c-8f6d-7c6a-8d46-fa20b074a4b3@suse.cz>
Date:   Fri, 27 Oct 2017 13:27:57 +0200
From:   Vlastimil Babka <vbabka@...e.cz>
To:     Michal Hocko <mhocko@...nel.org>,
        syzbot 
        <bot+e7353c7141ff7cbb718e4c888a14fa92de41ebaa@...kaller.appspotmail.com>
Cc:     akpm@...ux-foundation.org, dan.j.williams@...el.com,
        hannes@...xchg.org, jack@...e.cz, jglisse@...hat.com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org, shli@...com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        ying.huang@...el.com
Subject: Re: possible deadlock in lru_add_drain_all

On 10/27/2017 11:34 AM, Michal Hocko wrote:
> On Fri 27-10-17 02:22:40, syzbot wrote:
>> Hello,
>>
>> syzkaller hit the following crash on
>> a31cc455c512f3f1dd5f79cac8e29a7c8a617af8
>> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
>> compiler: gcc (GCC) 7.1.1 20170620
>> .config is attached
>> Raw console output is attached.
> 
> I do not see such a commit. My linux-next top is next-20171018

It's the next-20170911 tag. Try git fetch --tags, but I'm not sure how
many are archived...