Re: [syzbot] [f2fs?] INFO: task hung in f2fs_balance_fs

[syzbot]

syzbot has bisected this issue to:

commit 10d0786b39b3b91c4fbf8c2926e97ab456a4eea1
Author: Jia Yang <jiayang5@xxxxxxxxxx>
Date:   Wed Jul 14 07:46:06 2021 +0000

    f2fs: Revert "f2fs: Fix indefinite loop in f2fs_gc() v1"

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13426789c80000
start commit:   4bdec23f971b Merge tag 'hwmon-for-v6.3-rc4' of git://git.k..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10c26789c80000
console output: https://syzkaller.appspot.com/x/log.txt?x=17426789c80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=ea09b0836073ee4
dashboard link: https://syzkaller.appspot.com/bug?extid=8b85865808c8908a0d8c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1320ef41c80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=100b561ec80000

Reported-by: syzbot+8b85865808c8908a0d8c@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 10d0786b39b3 ("f2fs: Revert "f2fs: Fix indefinite loop in f2fs_gc() v1"")

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