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

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Message-ID: <CACT4Y+aYfsTVCo3U9VJcQ2X0456FPtTH+2Sqd_J93CXrqvQhkg@mail.gmail.com>
Date:   Thu, 9 May 2019 15:01:36 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Jon Maloy <jon.maloy@...csson.com>
Cc:     syzbot <syzbot+ba21d65f55b562432c58@...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: WARNING: locking bug in icmp_send

From: Jon Maloy <jon.maloy@...csson.com>
Date: Mon, Mar 25, 2019 at 5:34 PM
To: syzbot, davem@...emloft.net, 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

> Yet another duplicate of  syzbot+a25307ad099309f1c2b9@...kaller.appspotmail.com
>
> A fix has been posted.
>
> ///jon

Let's close this too:

#syz fix: tipc: change to check tipc_own_id to return in tipc_net_stop

> > -----Original Message-----
> > From: netdev-owner@...r.kernel.org <netdev-owner@...r.kernel.org>
> > On Behalf Of syzbot
> > Sent: 23-Mar-19 19:03
> > 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: WARNING: locking bug 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=11b6dc5d200000
> > start commit:   b5372fe5 exec: load_script: Do not exec truncated interpre..
> > git tree:       upstream
> > final crash:    https://syzkaller.appspot.com/x/report.txt?x=13b6dc5d200000
> > console output: https://syzkaller.appspot.com/x/log.txt?x=15b6dc5d200000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=7132344728e7ec3f
> > dashboard link:
> > https://syzkaller.appspot.com/bug?extid=ba21d65f55b562432c58
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14c90fa7400000
> >
> > Reported-by: syzbot+ba21d65f55b562432c58@...kaller.appspotmail.com
> > Fixes: 52dfae5c85a4 ("tipc: obtain node identity from interface by default")
> >
> > For information about bisection process see:
> > https://goo.gl/tpsmEJ#bisection
>
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