syzbot has bisected this issue to:
commit e057dd3fc20ffb3d7f150af46542a51b59b90127
Author: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Date: Mon Sep 28 20:04:04 2020 +0000
can: add ISO 15765-2:2016 transport protocol
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16883835d00000
start commit: 009fc857 mISDN: fix possible use-after-free in HFC_cleanup()
git tree: net-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=15883835d00000
console output: https://syzkaller.appspot.com/x/log.txt?x=11883835d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=b072be26137971e1
dashboard link: https://syzkaller.appspot.com/bug?extid=0f7e7e5e2f4f40fa89c0
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17c9f9b3d00000
Reported-by: syzbot+0f7e7e5e2f4f40fa89c0@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
