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=120430a5e80000 start commit: c17414a273b8 Merge tag 'sh-for-v6.5-tag1' of git://git.ker.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=7ad417033279f15a dashboard link: https://syzkaller.appspot.com/bug?extid=3779764ddb7a3e19437f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12bbd544a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13fd50b0a80000 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