linux-kernel - Re: possible deadlock in shmem_mfill_atomic

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Message-ID: <alpine.LSU.2.11.2004152007370.13597@eggly.anvils>
Date:   Wed, 15 Apr 2020 20:10:15 -0700 (PDT)
From:   Hugh Dickins <hughd@...gle.com>
To:     Yang Shi <shy828301@...il.com>
cc:     Hugh Dickins <hughd@...gle.com>,
        syzbot <syzbot+e27980339d305f2dbfd9@...kaller.appspotmail.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>, syzkaller-bugs@...glegroups.com
Subject: Re: possible deadlock in shmem_mfill_atomic_pte

On Wed, 15 Apr 2020, Yang Shi wrote:
> 
> Thanks, Hugh. I believe this commit could fix the splat. I'm trying to
> push my test tree to github to let syzkaller test it. I will send the
> formal patch once I get it tested. It is just slow to push to github,
> less than 50KB/s...

Your diligence is admirable.  With straightforward ones like this,
I tend to just rely on syzbot to call me out later if I've bluffed.

Hugh