That thing should not be turned on by default, especially since it's not quiet in case it finds no problems. Geert has sent the obvious fix quite a few times, but it fell through the cracks. The following changes since commit 570d7a98e7d6d5d8706d94ffd2d40adeaa318332: vfs: move_mount: reject moving kernel internal mounts (2019-07-01 10:46:36 -0400) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git fixes for you to fetch changes up to 75f2d86b20bf6aec0392d6dd2ae3ffff26d2ae0e: fs: VALIDATE_FS_PARSER should default to n (2019-07-05 11:22:11 -0400) ---------------------------------------------------------------- Geert Uytterhoeven (1): fs: VALIDATE_FS_PARSER should default to n fs/Kconfig | 1 - 1 file changed, 1 deletion(-)