linux-kernel - Re: WARNING: locking bug in __icmp

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Message-ID: <CACT4Y+ax0TjkaFLoYZL0jZCdRELA7ajnBaAeSANw-hUP--CqJQ@mail.gmail.com>
Date:   Thu, 9 May 2019 15:02:55 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+173d67242daa7ce45f85@...kaller.appspotmail.com>
Cc:     David Miller <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        LKML <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>
Subject: Re: WARNING: locking bug in __icmp_send

From: syzbot <syzbot+173d67242daa7ce45f85@...kaller.appspotmail.com>
Date: Mon, Mar 11, 2019 at 3:32 PM
To: <davem@...emloft.net>, <kuznet@....inr.ac.ru>,
<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
<syzkaller-bugs@...glegroups.com>, <yoshfuji@...ux-ipv6.org>

> syzbot has bisected this bug to:
>
> commit 8bafb83eeee2efb8b9b4e9dfd9fb90debe4a2417
> Author: David S. Miller <davem@...emloft.net>
> Date:   Fri Mar 30 16:32:00 2018 +0000
>
>      Merge branch 'stmmac-DWMAC5'
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13354d9d200000
> start commit:   8bafb83e Merge branch 'stmmac-DWMAC5'
> git tree:       net
> final crash:    https://syzkaller.appspot.com/x/report.txt?x=10b54d9d200000
> console output: https://syzkaller.appspot.com/x/log.txt?x=17354d9d200000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=73d88a42238825ad
> dashboard link: https://syzkaller.appspot.com/bug?extid=173d67242daa7ce45f85
> userspace arch: amd64
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=153d6923200000
>
> Reported-by: syzbot+173d67242daa7ce45f85@...kaller.appspotmail.com
> Fixes: 8bafb83e ("Merge branch 'stmmac-DWMAC5'")

#syz dup: WARNING: locking bug in icmp_send

https://syzkaller.appspot.com/bug?id=4b9e5e6290e3fdee367ea37949f3bda8d4ec87bd