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=110ffd6c180000 start commit: 708283abf896 Merge tag 'dmaengine-6.6-rc1' of git://git.ke.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=26188a62745981b4 dashboard link: https://syzkaller.appspot.com/bug?extid=8c777e17f74c66068ffa syz repro: https://syzkaller.appspot.com/x/repro.syz?x=138fb834680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1399c448680000 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