Re: WARNING: held lock freed in nr_release

From: syzbot
Date: Wed Jul 17 2019 - 06:05:08 EST


syzbot has bisected this bug to:

commit c8c8218ec5af5d2598381883acbefbf604e56b5e
Author: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Date: Thu Jun 27 21:30:58 2019 +0000

netrom: fix a memory leak in nr_rx_frame()

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14022e8fa00000
start commit: a5b64700 fix: taprio: Change type of txtime-delay paramete..
git tree: net
final crash: https://syzkaller.appspot.com/x/report.txt?x=16022e8fa00000
console output: https://syzkaller.appspot.com/x/log.txt?x=12022e8fa00000
kernel config: https://syzkaller.appspot.com/x/.config?x=87305c3ca9c25c70
dashboard link: https://syzkaller.appspot.com/bug?extid=a34e5f3d0300163f0c87
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1460b458600000

Reported-by: syzbot+a34e5f3d0300163f0c87@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: c8c8218ec5af ("netrom: fix a memory leak in nr_rx_frame()")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection