linux-kernel - Re: net/atm: warning in alloc_tx/__might

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Date:   Tue, 10 Jan 2017 09:40:17 -0800
From:   Eric Dumazet <edumazet@...gle.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     Andrey Konovalov <andreyknvl@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        James Morris <jmorris@...ei.org>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Patrick McHardy <kaber@...sh.net>,
        netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Kostya Serebryany <kcc@...gle.com>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: net/atm: warning in alloc_tx/__might_sleep

On Tue, Jan 10, 2017 at 9:35 AM, Cong Wang <xiyou.wangcong@...il.com> wrote:
> On Mon, Jan 9, 2017 at 9:20 AM, Andrey Konovalov <andreyknvl@...gle.com> wrote:
>
> The fix should be straight-forward. Mind to try the attached patch?


You forgot to remove schedule() ?

  schedule();
+ wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);