netdev - Re: general protection fault in fib6_purge

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Date:   Mon, 18 Mar 2019 00:28:00 -0700
From:   syzbot <syzbot+a25307ad099309f1c2b9@...kaller.appspotmail.com>
To:     davem@...emloft.net, 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: general protection fault in fib6_purge_rt

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=1116d2a3200000
start commit:   52dfae5c tipc: obtain node identity from interface by defa..
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1316d2a3200000
console output: https://syzkaller.appspot.com/x/log.txt?x=1516d2a3200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c8b6073d992e8217
dashboard link: https://syzkaller.appspot.com/bug?extid=a25307ad099309f1c2b9
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16b2c56f200000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13b8890b200000

Reported-by: syzbot+a25307ad099309f1c2b9@...kaller.appspotmail.com
Fixes: 52dfae5c ("tipc: obtain node identity from interface by default")