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=13b52242600000
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=10752242600000
console output: https://syzkaller.appspot.com/x/log.txt?x=17b52242600000
kernel config: https://syzkaller.appspot.com/x/.config?x=4c7b914a2680c9c6
dashboard link: https://syzkaller.appspot.com/bug?extid=107429d62fb1d293602f
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16a7c8dc600000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1498cfa2600000
Reported-by: syzbot+107429d62fb1d2936...@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
