Re: [syzbot] WARNING in reiserfs_put_super

[syzbot]

syzbot has bisected this issue to:

commit f902b02600028dfc0c9df811eb711ac7d7fca09f
Author: Christoph Hellwig <hch@xxxxxx>
Date:   Thu Nov 14 14:34:32 2019 +0000

    block: refactor rescan_partitions

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=166889b2300000
start commit:   90d856e71443 Add linux-next specific files for 20210723
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=156889b2300000
console output: https://syzkaller.appspot.com/x/log.txt?x=116889b2300000
kernel config:  https://syzkaller.appspot.com/x/.config?x=298516715f6ad5cd
dashboard link: https://syzkaller.appspot.com/bug?extid=fcdd69a8426baab36109
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=146b2066300000

Reported-by: syzbot+fcdd69a8426baab36109@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: f902b0260002 ("block: refactor rescan_partitions")

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