Re: [syzbot] [reiserfs?] possible deadlock in do_unlinkat

[syzbot]

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@xxxxxxx>
Date:   Wed Nov 1 17:43:10 2023 +0000

    fs: Block writes to mounted block devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=146e7e94180000
start commit:   933174ae28ba Merge tag 'spi-fix-v6.4-rc3' of git://git.ker..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=7d8067683055e3f5
dashboard link: https://syzkaller.appspot.com/bug?extid=ada12d2d935bbc82aa7f
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=106e6d19280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13cf84e5280000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs: Block writes to mounted block devices

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