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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 F044EC433E1 for ; Wed, 24 Jun 2020 12:36:02 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C203020789 for ; Wed, 24 Jun 2020 12:36:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ioy21tO5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C203020789 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UVT2TCE7VcREdqi/wUIsxxZ+BLxLaL83w+Q9YjV2Y9s=; b=ioy21tO5t5ZUZRdqoczO4Qmqg gyIoPgCgRX2YU4fKEORGnncmtFy5ijXy60qkF45U16UpRxPjIUCjSrlPn2UAsUzZ1xGBC/pADQ8uJ Egq9ADE664qzbxRVfT/OSmL+zRlFskRuJULzCBMnpHJVOSrwjvzZTGsXpjRBgSn/SBFl62KM4Lrwt 1t4txEk0M4G2U9DIRfFSxeP6lSuP1WxAcfAWUtdAfLByd5Y4Vko6cA2nwZOPL31QVF4E3HJ2YXBra gnksR9xw9Vu3OTgyKguRSuAgXId/bgqYFjA7AydnQcEsdlsJDFUNMVvilMLgeBWZEuz6VMQBSBb6O +3LP7mSiQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jo4bT-0006wx-Jf; Wed, 24 Jun 2020 12:34:11 +0000 Received: from mail-qt1-f194.google.com ([209.85.160.194]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jo4bN-0006tx-S6 for linux-arm-kernel@lists.infradead.org; Wed, 24 Jun 2020 12:34:07 +0000 Received: by mail-qt1-f194.google.com with SMTP id z1so1505691qtn.2 for ; Wed, 24 Jun 2020 05:34:05 -0700 (PDT) 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=r8hAW61/4BUI+NbyFnYc6YqQQjo8d8HK1rSbMU2IkRk=; b=ZMedOkF89yoVr6Rd8eQkKd5YEDMDp2qXqM4Q0RaEYTaECm4sRvKWZXWGrJvH/21nn5 WFXkGJGRW1A8/nFDCX4qyumyyleOvAYzZUPmgqYATHd0eKImHa40f5qBq/gmZS88sn3b IMiYV/JJJOG8+1Yeh6aeo5OkrmSMClX9YvTi8laUNTLrScpIYbcHHA4jbsonAjULSixa KXFKJRywueeVGeXG6H3eaC9eUlXdwCE/TaPgAHOjcHGje7KRsOiQtmfecgvhX1HvK0nQ gKkBGH7IetfWRQEXMNlBkgDg1HyCltm6OcTmdlkQcRsyXprCg1y5ItPgQeUrZkCqkqBm IeNQ== X-Gm-Message-State: AOAM532b1sgrMoIvyS+8t+x00i+4FT3eTgvsI6UMqBcwaxoho8BMLKpU dgWsJDdsyP0eZZ8cCcD8/gw= X-Google-Smtp-Source: ABdhPJxPh8KCe1nlxIC9hfI7A611S0zDh6pUHr/hn9DXDH26nDPy4DCeItaOwQUW8SJpgZNlzgTiJw== X-Received: by 2002:aed:25a2:: with SMTP id x31mr24822436qtc.96.1593002044717; Wed, 24 Jun 2020 05:34:04 -0700 (PDT) Received: from localhost.localdomain ([185.248.161.177]) by smtp.gmail.com with ESMTPSA id x26sm3354512qtr.4.2020.06.24.05.33.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Jun 2020 05:34:04 -0700 (PDT) From: Alexander Popov To: Kees Cook , Jann Horn , 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 Subject: [PATCH v2 1/5] gcc-plugins/stackleak: Don't instrument itself Date: Wed, 24 Jun 2020 15:33:26 +0300 Message-Id: <20200624123330.83226-2-alex.popov@linux.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20200624123330.83226-1-alex.popov@linux.com> References: <20200624123330.83226-1-alex.popov@linux.com> MIME-Version: 1.0 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: notify@kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org There is no need to try instrumenting functions in kernel/stackleak.c. Otherwise that can cause issues if the cleanup pass of stackleak gcc plugin is disabled. Signed-off-by: Alexander Popov Acked-by: Kees Cook --- kernel/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/Makefile b/kernel/Makefile index f3218bc5ec69..155b5380500a 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -125,6 +125,7 @@ obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o +CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN) obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o KASAN_SANITIZE_stackleak.o := n KCSAN_SANITIZE_stackleak.o := n -- 2.25.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel