Re: BUG: spinlock bad magic in rhashtable_walk_enter
From: hujunwei
Date: Thu May 23 2019 - 22:57:26 EST
On 2019/5/24 9:58, syzbot wrote:
> syzbot has bisected this bug to:
>
> commit 7e27e8d6130c5e88fac9ddec4249f7f2337fe7f8
> Author: Junwei Hu <hujunwei4@xxxxxxxxxx>
> Date:ÂÂ Thu May 16 02:51:15 2019 +0000
>
> ÂÂÂ tipc: switch order of device registration to fix a crash>
> bisection log:Â https://syzkaller.appspot.com/x/bisect.txt?x=17c22c72a00000
> start commit:ÂÂ 510e2ced ipv6: fix src addr routing with the exception table
> git tree:ÂÂÂÂÂÂ net
> final crash:ÂÂÂ https://syzkaller.appspot.com/x/report.txt?x=14222c72a00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=10222c72a00000
> kernel config:Â https://syzkaller.appspot.com/x/.config?x=82f0809e8f0a8c87
> dashboard link: https://syzkaller.appspot.com/bug?extid=01dd5c4b3c34a5cf9308
> syz repro:ÂÂÂÂÂ https://syzkaller.appspot.com/x/repro.syz?x=16b6373ca00000
> C reproducer:ÂÂ https://syzkaller.appspot.com/x/repro.c?x=1251e73ca00000
>
> Reported-by: syzbot+01dd5c4b3c34a5cf9308@xxxxxxxxxxxxxxxxxxxxxxxxx
> Fixes: 7e27e8d6130c ("tipc: switch order of device registration to fix a crash")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> .
>
This bug was fixed by:
commit 526f5b851a96 (" tipc: fix modprobe tipc failed after switch order of device registration")
Regards,
Junwei