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NUM blocks leaked. Please unmount and run xfs_repair. From: syzbot To: axboe@kernel.dk, brauner@kernel.org, chandan.babu@oracle.com, david@fromorbit.com, dchinner@redhat.com, djwong@kernel.org, ebiggers@kernel.org, hch@lst.de, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, sandeen@sandeen.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara 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=1110ad7be80000 start commit: 40f71e7cd3c6 Merge tag 'net-6.4-rc7' of git://git.kernel.o.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=7ff8f87c7ab0e04e dashboard link: https://syzkaller.appspot.com/bug?extid=9d0b0d54a8bd799f6ae4 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16ab4537280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=148326ef280000 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