From nobody Mon Feb 9 05:55:44 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB64AEB64DD for ; Wed, 12 Jul 2023 10:14:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232476AbjGLKOL (ORCPT ); Wed, 12 Jul 2023 06:14:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230504AbjGLKOI (ORCPT ); Wed, 12 Jul 2023 06:14:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D68D01991 for ; Wed, 12 Jul 2023 03:14:07 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7586F61725 for ; Wed, 12 Jul 2023 10:14:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A04AAC433C8; Wed, 12 Jul 2023 10:14:04 +0000 (UTC) From: Huacai Chen To: Andrey Ryabinin , Alexander Potapenko Cc: Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Huacai Chen , kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, Huacai Chen Subject: [PATCH] kasan: Fix tests by removing -ffreestanding Date: Wed, 12 Jul 2023 18:13:44 +0800 Message-Id: <20230712101344.2714626-1-chenhuacai@loongson.cn> X-Mailer: git-send-email 2.39.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX hopes -fbuiltin for memset()/ memcpy()/memmove() if instrumentation is needed. This is the default behavior but some archs pass -ffreestanding which implies -fno-builtin, and then causes some kasan tests fail. So we remove -ffreestanding for kasan tests. Signed-off-by: Huacai Chen --- mm/kasan/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/kasan/Makefile b/mm/kasan/Makefile index 7634dd2a6128..edd1977a6b88 100644 --- a/mm/kasan/Makefile +++ b/mm/kasan/Makefile @@ -45,7 +45,9 @@ CFLAGS_KASAN_TEST +=3D -fno-builtin endif =20 CFLAGS_kasan_test.o :=3D $(CFLAGS_KASAN_TEST) +CFLAGS_REMOVE_kasan_test.o :=3D -ffreestanding CFLAGS_kasan_test_module.o :=3D $(CFLAGS_KASAN_TEST) +CFLAGS_REMOVE_kasan_test_module.o :=3D -ffreestanding =20 obj-y :=3D common.o report.o obj-$(CONFIG_KASAN_GENERIC) +=3D init.o generic.o report_generic.o shadow.= o quarantine.o --=20 2.39.3