Re: general protection fault in taprio_dequeue_soft

From: syzbot
Date: Tue Dec 15 2020 - 12:39:26 EST


syzbot has bisected this issue to:

commit b5b73b26b3ca34574124ed7ae9c5ba8391a7f176
Author: Vinicius Costa Gomes <vinicius.gomes@xxxxxxxxx>
Date: Thu Sep 10 00:03:11 2020 +0000

taprio: Fix allowing too small intervals

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13c8eadf500000
start commit: 7f376f19 Merge tag 'mtd/fixes-for-5.10-rc8' of git://git.k..
git tree: net
final oops: https://syzkaller.appspot.com/x/report.txt?x=1028eadf500000
console output: https://syzkaller.appspot.com/x/log.txt?x=17c8eadf500000
kernel config: https://syzkaller.appspot.com/x/.config?x=3416bb960d5c705d
dashboard link: https://syzkaller.appspot.com/bug?extid=8971da381fb5a31f542d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=128c5745500000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a1f123500000

Reported-by: syzbot+8971da381fb5a31f542d@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: b5b73b26b3ca ("taprio: Fix allowing too small intervals")

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