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=12203874180000 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=2cbd298d0aff1140 dashboard link: https://syzkaller.appspot.com/bug?extid=3e32db5854a2dc0011ff syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16a44d50a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10bee4cb280000 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