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=14e0e374180000 start commit: c7402612e2e6 Merge tag 'net-6.7-rc6' of git://git.kernel.o.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=b6602324d4e5a4a9 dashboard link: https://syzkaller.appspot.com/bug?extid=ca4b16c6465dca321d40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16941c8ae80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13d9c3c1e80000 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