[syzbot] [lsm?] [reiserfs?] general protection fault in fsnotify_perm

[syzbot]

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack at suse.cz>
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=17eb1102180000
start commit:   a92b7d26c743 Merge tag 'drm-fixes-2023-06-23' of git://ano..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=24ce1b2abaee24cc
dashboard link: https://syzkaller.appspot.com/bug?extid=1d7062c505b34792ef90
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1066cc77280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=116850bf280000

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