Re: [PATCH] dm-verity: fix dm_is_verity_target() when dm-verity is builtin

On Wed, Jul 03, 2024 at 01:08:13PM -0700, Eric Biggers wrote:

From: Eric Biggers ebiggers@google.com

When CONFIG_DM_VERITY=y, dm_is_verity_target() returned true for any builtin dm target, not just dm-verity. Fix this by checking for verity_target instead of THIS_MODULE (which is NULL for builtin code).

Fixes: b6c1c5745ccc ("dm: Add verity helpers for LoadPin") Cc: stable@vger.kernel.org Cc: Matthias Kaehlcke mka@chromium.org Cc: Kees Cook keescook@chromium.org Signed-off-by: Eric Biggers ebiggers@google.com

Ah! Nice catch.

Reviewed-by: Kees Cook kees@kernel.org