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Subject: Re: BUG: spinlock bad magic in rhashtable_walk_enter
To:     syzbot <syzbot+01dd5c4b3c34a5cf9308@syzkaller.appspotmail.com>,
        <davem@davemloft.net>, <jon.maloy@ericsson.com>,
        <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
        <syzkaller-bugs@googlegroups.com>,
        <tipc-discussion@lists.sourceforge.net>, <ying.xue@windriver.com>
References: <0000000000003df61e05899887d3@google.com>
From:   hujunwei <hujunwei4@huawei.com>
Message-ID: <7da38946-ae8f-93bf-99c3-28949eb46354@huawei.com>
Date:   Fri, 24 May 2019 10:53:24 +0800
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On 2019/5/24 9:58, syzbot wrote:
> syzbot has bisected this bug to:
> 
> commit 7e27e8d6130c5e88fac9ddec4249f7f2337fe7f8
> Author: Junwei Hu <hujunwei4@huawei.com>
> Date:   Thu May 16 02:51:15 2019 +0000
> 
>     tipc: switch order of device registration to fix a crash>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17c22c72a00000
> start commit:   510e2ced ipv6: fix src addr routing with the exception table
> git tree:       net
> final crash:    https://syzkaller.appspot.com/x/report.txt?x=14222c72a00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=10222c72a00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=82f0809e8f0a8c87
> dashboard link: https://syzkaller.appspot.com/bug?extid=01dd5c4b3c34a5cf9308
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16b6373ca00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1251e73ca00000
> 
> Reported-by: syzbot+01dd5c4b3c34a5cf9308@syzkaller.appspotmail.com
> 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