From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Usama" Subject: [PATCH 1/2] selftests/lkdtm: add config and turn off CFI_FORWARD_PROTO Date: Fri, 18 Feb 2022 01:56:19 +0500 Message-Id: <20220217205620.2512094-1-usama.anjum@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable List-ID: To: Kees Cook , Shuah Khan Cc: Muhammad Usama Anjum , kernel@collabora.com, kernelci@groups.io, Greg Kroah-Hartman , Shuah Khan , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Add config options which are needed for LKDTM sub-tests. STACKLEAK_ERASING test needs GCC_PLUGIN_STACKLEAK config. READ_AFTER_FREE and READ_BUDDY_AFTER_FREE tests need INIT_ON_FREE_DEFAULT_ON config. CFI_FORWARD_PROTO always fails as there is no active CFI system of some kind. Turn it off for now by default until proper support. Cc: Kees Cook Cc: Greg Kroah-Hartman Fixes: 46d1a0f03d66 ("selftests/lkdtm: Add tests for LKDTM targets") Signed-off-by: Muhammad Usama Anjum --- tools/testing/selftests/lkdtm/config | 2 ++ tools/testing/selftests/lkdtm/tests.txt | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/lkdtm/config b/tools/testing/selftes= ts/lkdtm/config index 46f39ee762086..adc9fa60057c5 100644 --- a/tools/testing/selftests/lkdtm/config +++ b/tools/testing/selftests/lkdtm/config @@ -2,8 +2,10 @@ CONFIG_LKDTM=3Dy CONFIG_DEBUG_LIST=3Dy CONFIG_SLAB_FREELIST_HARDENED=3Dy CONFIG_FORTIFY_SOURCE=3Dy +CONFIG_GCC_PLUGIN_STACKLEAK=3Dy CONFIG_HARDENED_USERCOPY=3Dy CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=3Dy +CONFIG_INIT_ON_FREE_DEFAULT_ON=3Dy CONFIG_INIT_ON_ALLOC_DEFAULT_ON=3Dy CONFIG_UBSAN=3Dy CONFIG_UBSAN_BOUNDS=3Dy diff --git a/tools/testing/selftests/lkdtm/tests.txt b/tools/testing/self= tests/lkdtm/tests.txt index 6b36b7f5dcf96..aa947b0ce1eeb 100644 --- a/tools/testing/selftests/lkdtm/tests.txt +++ b/tools/testing/selftests/lkdtm/tests.txt @@ -72,7 +72,7 @@ USERCOPY_STACK_FRAME_FROM USERCOPY_STACK_BEYOND USERCOPY_KERNEL STACKLEAK_ERASING OK: the rest of the thread stack is properly erased -CFI_FORWARD_PROTO +#CFI_FORWARD_PROTO FORTIFIED_STRSCPY FORTIFIED_OBJECT FORTIFIED_SUBOBJECT --=20 2.30.2