Re: WARNING: locking bug in icmp_send

From: Jon Maloy <redacted>
Date: Mon, Mar 25, 2019 at 5:34 PM
To: syzbot, davem@davemloft.net, kuznet@ms2.inr.ac.ru,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
syzkaller-bugs@googlegroups.com,
tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com,
yoshfuji@linux-ipv6.org

Yet another duplicate of  syzbot+a25307ad099309f1c2b9@syzkaller.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

quoted

-----Original Message-----
From: netdev-owner@vger.kernel.org <redacted>
On Behalf Of syzbot
Sent: 23-Mar-19 19:03
To: davem@davemloft.net; Jon Maloy <redacted>;
kuznet@ms2.inr.ac.ru; linux-kernel@vger.kernel.org;
netdev@vger.kernel.org; syzkaller-bugs@googlegroups.com; tipc-
discussion@lists.sourceforge.net; ying.xue@windriver.com; yoshfuji@linux-
ipv6.org
Subject: Re: WARNING: locking bug in icmp_send

syzbot has bisected this bug to:

commit 52dfae5c85a4c1078e9f1d5e8947d4a25f73dd81
Author: Jon Maloy [off-list ref]
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@syzkaller.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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