Re: WARNING: locking bug in icmp_send

[Dmitry Vyukov]

From: Jon Maloy <jon.maloy@xxxxxxxxxxxx>
Date: Mon, Mar 25, 2019 at 5:34 PM
To: syzbot, davem@xxxxxxxxxxxxx, kuznet@xxxxxxxxxxxxx,
linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx,
syzkaller-bugs@xxxxxxxxxxxxxxxx,
tipc-discussion@xxxxxxxxxxxxxxxxxxxxx, ying.xue@xxxxxxxxxxxxx,
yoshfuji@xxxxxxxxxxxxxx

> Yet another duplicate of  syzbot+a25307ad099309f1c2b9@xxxxxxxxxxxxxxxxxxxxxxxxx
>
> 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@xxxxxxxxxxxxxxx <netdev-owner@xxxxxxxxxxxxxxx>
> > On Behalf Of syzbot
> > Sent: 23-Mar-19 19:03
> > To: davem@xxxxxxxxxxxxx; Jon Maloy <jon.maloy@xxxxxxxxxxxx>;
> > kuznet@xxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> > netdev@xxxxxxxxxxxxxxx; syzkaller-bugs@xxxxxxxxxxxxxxxx; tipc-
> > discussion@xxxxxxxxxxxxxxxxxxxxx; ying.xue@xxxxxxxxxxxxx; yoshfuji@linux-
> > ipv6.org
> > Subject: Re: WARNING: locking bug in icmp_send
> >
> > syzbot has bisected this bug to:
> >
> > commit 52dfae5c85a4c1078e9f1d5e8947d4a25f73dd81
> > Author: Jon Maloy <jon.maloy@xxxxxxxxxxxx>
> > 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@xxxxxxxxxxxxxxxxxxxxxxxxx
> > 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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