The i386 regparm bug exposed with FORTIFY_SOURCE with Clang was fixed in Clang 16[1].
Link: https://github.com/llvm/llvm-project/commit/c167c0a4dcdb998affb2756ce76903a12f7d8ca5 [1] Signed-off-by: Kees Cook <k...@kernel.org> --- Cc: Nathan Chancellor <nat...@kernel.org> Cc: Nick Desaulniers <ndesaulni...@google.com> Cc: Bill Wendling <mo...@google.com> Cc: Justin Stitt <justinst...@google.com> Cc: "Gustavo A. R. Silva" <gustavo...@kernel.org> Cc: l...@lists.linux.dev Cc: linux-hardening@vger.kernel.org --- security/Kconfig.hardening | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/Kconfig.hardening b/security/Kconfig.hardening index 23ffb0d7c845..c17366ce8224 100644 --- a/security/Kconfig.hardening +++ b/security/Kconfig.hardening @@ -286,7 +286,7 @@ config FORTIFY_SOURCE bool "Harden common str/mem functions against buffer overflows" depends on ARCH_HAS_FORTIFY_SOURCE # https://github.com/llvm/llvm-project/issues/53645 - depends on !CC_IS_CLANG || !X86_32 + depends on !X86_32 || !CC_IS_CLANG || CLANG_VERSION >= 160000 help Detect overflows of buffers in common string and memory functions where the compiler can determine and validate the buffer sizes. -- 2.34.1
