Re: BUG: unable to handle kernel paging request in tcf_action_dump_terse

From: syzbot
Date: Mon Oct 05 2020 - 04:10:09 EST


syzbot has bisected this issue to:

commit 0fedc63fadf0404a729e73a35349481c8009c02f
Author: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Date: Wed Sep 23 03:56:24 2020 +0000

net_sched: commit action insertions together

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12c20657900000
start commit: 2172e358 Add linux-next specific files for 20201002
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=11c20657900000
console output: https://syzkaller.appspot.com/x/log.txt?x=16c20657900000
kernel config: https://syzkaller.appspot.com/x/.config?x=70698f530a7e856f
dashboard link: https://syzkaller.appspot.com/bug?extid=5f66662adc70969940fd
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=142fd4af900000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16ffcdeb900000

Reported-by: syzbot+5f66662adc70969940fd@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 0fedc63fadf0 ("net_sched: commit action insertions together")

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