syzbot has bisected this bug to:
commit c8c8218ec5af5d2598381883acbefbf604e56b5e
Author: Cong Wang <xiyou.wangc...@gmail.com>
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=122ddaec600000
start commit: 629f8205 Merge tag 'for-linus-20190730' of git://git.kerne..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=112ddaec600000
console output: https://syzkaller.appspot.com/x/log.txt?x=162ddaec600000
kernel config: https://syzkaller.appspot.com/x/.config?x=e397351d2615e10
dashboard link: https://syzkaller.appspot.com/bug?extid=701728447042217b67c1
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14a6e008600000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11937d92600000
Reported-by: syzbot+701728447042217b6...@syzkaller.appspotmail.com
Fixes: c8c8218ec5af ("netrom: fix a memory leak in nr_rx_frame()")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
