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=12be09f2180000 start commit: afead42fdfca Merge tag 'perf-tools-fixes-for-v6.4-2-2023-0.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=162cf2103e4a7453 dashboard link: https://syzkaller.appspot.com/bug?extid=4768a8f039aa677897d0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12da9bbd280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=174e8115280000 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