Re: [BUG REPORT] ntfs: possible circular locking dependency in ntfs_mft_writepages

[Namjae Jeon]

On Mon, Jun 22, 2026 at 3:23 PM yangguikun19 <yangguikun19@xxxxxx> wrote:
>
> Hello,
Hi,
>
> syzkaller found a reproducible lockdep warning in the NTFS filesystem on a vanilla Linux 7.1.1 kernel. This is  a possible circular locking dependency in ntfs_mft_writepages()/ntfs_write_mft_block() when writing back $MFT records from a crafted NTFS image.

Please check if the patch below fixes the issue. This patch has
already been applied to 7.2-rc1, and a stable tag has been added to
apply it to 7.1.x kernel.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ntfs?id=76bc14c7097ff678b2b5dbfd4fa33b46897d87ce