netdev - RE: inconsistent lock state in icmp

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Date:   Mon, 25 Mar 2019 16:32:01 +0000
From:   Jon Maloy <jon.maloy@...csson.com>
To:     syzbot <syzbot+251ec6887ada6eac4921@...kaller.appspotmail.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuznet@....inr.ac.ru" <kuznet@....inr.ac.ru>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "syzkaller-bugs@...glegroups.com" <syzkaller-bugs@...glegroups.com>,
        "tipc-discussion@...ts.sourceforge.net" 
        <tipc-discussion@...ts.sourceforge.net>,
        "ying.xue@...driver.com" <ying.xue@...driver.com>,
        "yoshfuji@...ux-ipv6.org" <yoshfuji@...ux-ipv6.org>
Subject: RE: inconsistent lock state in icmp_send

Just another manifestation of  syzbot+a25307ad099309f1c2b9@...kaller.appspotmail.com

We have just posted a patch fixing this.

///jon

> Signed-off-by: Xin Long <lucien.xin@...il.com>

> -----Original Message-----
> From: netdev-owner@...r.kernel.org <netdev-owner@...r.kernel.org>
> On Behalf Of syzbot
> Sent: 24-Mar-19 14:38
> To: davem@...emloft.net; Jon Maloy <jon.maloy@...csson.com>;
> kuznet@....inr.ac.ru; linux-kernel@...r.kernel.org;
> netdev@...r.kernel.org; syzkaller-bugs@...glegroups.com; tipc-
> discussion@...ts.sourceforge.net; ying.xue@...driver.com; yoshfuji@...ux-
> ipv6.org
> Subject: Re: inconsistent lock state in icmp_send
> 
> syzbot has bisected this bug to:
> 
> commit 52dfae5c85a4c1078e9f1d5e8947d4a25f73dd81
> Author: Jon Maloy <jon.maloy@...csson.com>
> Date:   Thu Mar 22 19:42:52 2018 +0000
> 
>      tipc: obtain node identity from interface by default
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12619917200000
> start commit:   f5d58277 Merge branch 'for-linus' of git://git.kernel.org/..
> git tree:       upstream
> final crash:    https://syzkaller.appspot.com/x/report.txt?x=11619917200000
> console output: https://syzkaller.appspot.com/x/log.txt?x=16619917200000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=c8970c89a0efbb23
> dashboard link:
> https://syzkaller.appspot.com/bug?extid=251ec6887ada6eac4921
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10ab6ba3400000
> 
> Reported-by: syzbot+251ec6887ada6eac4921@...kaller.appspotmail.com
> Fixes: 52dfae5c85a4 ("tipc: obtain node identity from interface by default")
> 
> For information about bisection process see:
> https://goo.gl/tpsmEJ#bisection