[syzbot] [erofs?] WARNING in erofs_kill_sb

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+69c477e882e44ce41ad9 at syzkaller.appspotmail.com

Tested on:

commit:         1c59d383 Merge tag 'linux-kselftest-nolibc-6.6-rc1' of..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=14f819dfa80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9678e210dd5e4a5f
dashboard link: https://syzkaller.appspot.com/bug?extid=69c477e882e44ce41ad9
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.