Re: [syzbot] [f2fs?] WARNING in rcu_sync_dtor

[syzbot]

syzbot has bisected this issue to:

commit b62e71be2110d8b52bf5faf3c3ed7ca1a0c113a5
Author: Chao Yu <chao@xxxxxxxxxx>
Date:   Sun Apr 23 15:49:15 2023 +0000

    f2fs: support errors=remount-ro|continue|panic mountoption

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=119745f1980000
start commit:   1722389b0d86 Merge tag 'net-6.11-rc1' of git://git.kernel...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=139745f1980000
console output: https://syzkaller.appspot.com/x/log.txt?x=159745f1980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b698a1b2fcd7ef5f
dashboard link: https://syzkaller.appspot.com/bug?extid=20d7e439f76bbbd863a7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1237a1f1980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=115edac9980000

Reported-by: syzbot+20d7e439f76bbbd863a7@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: b62e71be2110 ("f2fs: support errors=remount-ro|continue|panic mountoption")

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