From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F05DC433E0 for ; Thu, 4 Jun 2020 13:51:55 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id B354D20772 for ; Thu, 4 Jun 2020 13:51:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B354D20772 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-18924-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 11431 invoked by uid 550); 4 Jun 2020 13:51:25 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 11378 invoked from network); 4 Jun 2020 13:51:24 -0000 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=b54SpJMSTOd6h+DBnk1Lku3f1oWBTa5w9a5vkJqB3fA=; b=YshXXe+fxWo4APPkrDVywSroRNbLLfT04UvRmD+l3UVKrbRO68KkcWpqgzqXtK0ZyE TWeXY0MC4+IoJ0O0xt8s+GcowBIqvr+w9P7rf5IZ36R33ASFxVQ1I1Sl/UIqW8s/Y/jb GDJIvp0gJ13yoo4uSz9V5JFgZ3XgPWGl86ciaw7xd8t2FwUfz8cBYjcJufseyyUzuxhb aCobmH2/rzv6i3yLoi+4AJIBFEy5MDrHKMXZcrKPGnoF8/3PzRoV1l2riC640yk5YNgJ q6WnZeCINJmzTYbE/D8A/DNXIFC7rzEJUk93Vqv468wRQCv9eYJM58pIPvmmf1/RlDIf unQQ== X-Gm-Message-State: AOAM533PWzGabnsDOCNVWQo1+I3Y+3xKLafmYBdiwQBEe0C/ayYMbev6 uPWIqhNa+B0f+Xnb5NUzg4E= X-Google-Smtp-Source: ABdhPJwJN+QU/v5qwJyKhHL0R8cAYtbe3PO9Gpb/m6COOlcWqK5m8q5guhRTY5qY7edIDaq2chb7lg== X-Received: by 2002:a2e:9dd8:: with SMTP id x24mr2410838ljj.304.1591278673307; Thu, 04 Jun 2020 06:51:13 -0700 (PDT) From: Alexander Popov To: Kees Cook , Emese Revfy , Miguel Ojeda , Masahiro Yamada , Michal Marek , Andrew Morton , Masahiro Yamada , Thiago Jung Bauermann , Luis Chamberlain , Jessica Yu , Sven Schnelle , Iurii Zaikin , Catalin Marinas , Will Deacon , Vincenzo Frascino , Thomas Gleixner , Peter Collingbourne , Naohiro Aota , Alexander Monakov , Mathias Krause , PaX Team , Brad Spengler , Laura Abbott , Florian Weimer , Alexander Popov , kernel-hardening@lists.openwall.com, linux-kbuild@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, gcc@gcc.gnu.org Cc: notify@kernel.org Subject: [PATCH 5/5] gcc-plugins/stackleak: Don't instrument vgettimeofday.c in arm64 VDSO Date: Thu, 4 Jun 2020 16:49:57 +0300 Message-Id: <20200604134957.505389-6-alex.popov@linux.com> X-Mailer: git-send-email 2.25.2 In-Reply-To: <20200604134957.505389-1-alex.popov@linux.com> References: <20200604134957.505389-1-alex.popov@linux.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Don't try instrumenting functions in arch/arm64/kernel/vdso/vgettimeofday.c. Otherwise that can cause issues if the cleanup pass of stackleak gcc plugin is disabled. Signed-off-by: Alexander Popov --- arch/arm64/kernel/vdso/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index 3862cad2410c..9b84cafbd2da 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -32,7 +32,8 @@ UBSAN_SANITIZE := n OBJECT_FILES_NON_STANDARD := y KCOV_INSTRUMENT := n -CFLAGS_vgettimeofday.o = -O2 -mcmodel=tiny -fasynchronous-unwind-tables +CFLAGS_vgettimeofday.o = -O2 -mcmodel=tiny -fasynchronous-unwind-tables \ + $(DISABLE_STACKLEAK_PLUGIN) ifneq ($(c-gettimeofday-y),) CFLAGS_vgettimeofday.o += -include $(c-gettimeofday-y) -- 2.25.2