syzbot has bisected this issue to:
commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
Author: Vinicius Costa Gomes <[email protected]>
Date: Sat Sep 29 00:59:43 2018 +0000
tc: Add support for configuring the taprio scheduler
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=109a63cf100000
start commit: 7cc2a8ea Merge tag 'block-5.8-2020-07-01' of git://git.ker..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=149a63cf100000
kernel config: https://syzkaller.appspot.com/x/.config?x=183dd243398ba7ec
dashboard link: https://syzkaller.appspot.com/bug?extid=f517075b510306f61903
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11f01c1f100000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16c40ba7100000
Reported-by: [email protected]
Fixes: 5a781ccbd19e ("tc: Add support for configuring the taprio scheduler")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection