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=149d61e8180000 start commit: 41c03ba9beea Merge tag 'for_linus' of git://git.kernel.org.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=8cdb1e7bec4b955a dashboard link: https://syzkaller.appspot.com/bug?extid=ba698041fcdf4d0214bb syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11e43f56480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13fbabea480000 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