Re: WARNING: locking bug in __icmp_send

[Dmitry Vyukov]

From: syzbot <syzbot+173d67242daa7ce45f85@xxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Mon, Mar 11, 2019 at 3:32 PM
To: <davem@xxxxxxxxxxxxx>, <kuznet@xxxxxxxxxxxxx>,
<linux-kernel@xxxxxxxxxxxxxxx>, <netdev@xxxxxxxxxxxxxxx>,
<syzkaller-bugs@xxxxxxxxxxxxxxxx>, <yoshfuji@xxxxxxxxxxxxxx>

> syzbot has bisected this bug to:
>
> commit 8bafb83eeee2efb8b9b4e9dfd9fb90debe4a2417
> Author: David S. Miller <davem@xxxxxxxxxxxxx>
> 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@xxxxxxxxxxxxxxxxxxxxxxxxx
> Fixes: 8bafb83e ("Merge branch 'stmmac-DWMAC5'")

#syz dup: WARNING: locking bug in icmp_send

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