From patchwork Fri Nov 16 16:57:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matt Weber X-Patchwork-Id: 999090 Return-Path: X-Original-To: incoming-buildroot@patchwork.ozlabs.org Delivered-To: patchwork-incoming-buildroot@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=busybox.net (client-ip=140.211.166.133; helo=hemlock.osuosl.org; envelope-from=buildroot-bounces@busybox.net; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=rockwellcollins.com Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42xPYc1BTSz9sBn for ; Sat, 17 Nov 2018 03:57:55 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id C63E088579; Fri, 16 Nov 2018 16:57:53 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JEb9DgfuXy+Q; 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Fri, 16 Nov 2018 16:57:42 +0000 (UTC) Received: from ofwda1n02.rockwellcollins.com (HELO crulimr02.rockwellcollins.com) ([205.175.227.14]) by da1vs02.rockwellcollins.com with ESMTP; 16 Nov 2018 10:57:42 -0600 X-Received: from largo.rockwellcollins.com (unknown [192.168.140.76]) by crulimr02.rockwellcollins.com (Postfix) with ESMTP id 1F8B7600DD; Fri, 16 Nov 2018 10:57:42 -0600 (CST) From: Matt Weber To: buildroot@buildroot.org Date: Fri, 16 Nov 2018 10:57:39 -0600 Message-Id: <1542387461-26373-1-git-send-email-matthew.weber@rockwellcollins.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Subject: [Buildroot] [PATCH v2 1/3] package/xen: tools/libxc fix strncpy size X-BeenThere: buildroot@busybox.net X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: buildroot-bounces@busybox.net Sender: "buildroot" gcc-8 errs on possible truncation of trailing '\0' Resolves: http://autobuild.buildroot.net/results/6e0d8e962e861a32f5bf2e5031ef51c25768f1f6/ Upstream Commit: https://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=fa7789ef18bd2e716997937af71b2e4b5b00a159 Signed-off-by: Matthew Weber --- v1 -> v2 - Re-generated patch on upstream clone of 4.10.2 and included SOF --- .../xen/0003-tools-libxc-fix-strncpy-size.patch | 48 ++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 package/xen/0003-tools-libxc-fix-strncpy-size.patch diff --git a/package/xen/0003-tools-libxc-fix-strncpy-size.patch b/package/xen/0003-tools-libxc-fix-strncpy-size.patch new file mode 100644 index 0000000..4b40b29 --- /dev/null +++ b/package/xen/0003-tools-libxc-fix-strncpy-size.patch @@ -0,0 +1,48 @@ +From 9302803dc77365187a3c544f71e7c7faf5518b31 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?= + +Date: Thu, 5 Apr 2018 03:50:49 +0200 +Subject: [PATCH] tools/libxc: fix strncpy size +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +gcc-8 warns about possible truncation of trailing '\0'. +Final character is overridden by '\0' anyway, so don't bother to copy +it. + +This fixes compile failure: + + xc_pm.c: In function 'xc_set_cpufreq_gov': + xc_pm.c:308:5: error: 'strncpy' specified bound 16 equals destination size [-Werror=stringop-truncation] + strncpy(scaling_governor, govname, CPUFREQ_NAME_LEN); + ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + cc1: all warnings being treated as errors + +Upstream: +https://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=fa7789ef18bd2e716997937af71b2e4b5b00a159 + +Signed-off-by: Marek Marczykowski-Górecki +Acked-by: Wei Liu +Release-Acked-by: Juergen Gross +Signed-off-by: Matt Weber +--- + tools/libxc/xc_pm.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/tools/libxc/xc_pm.c b/tools/libxc/xc_pm.c +index ae917bc..0fc4704 100644 +--- a/tools/libxc/xc_pm.c ++++ b/tools/libxc/xc_pm.c +@@ -305,7 +305,7 @@ int xc_set_cpufreq_gov(xc_interface *xch, int cpuid, char *govname) + sysctl.cmd = XEN_SYSCTL_pm_op; + sysctl.u.pm_op.cmd = SET_CPUFREQ_GOV; + sysctl.u.pm_op.cpuid = cpuid; +- strncpy(scaling_governor, govname, CPUFREQ_NAME_LEN); ++ strncpy(scaling_governor, govname, CPUFREQ_NAME_LEN - 1); + scaling_governor[CPUFREQ_NAME_LEN - 1] = '\0'; + + return xc_sysctl(xch, &sysctl); +-- +1.9.1 +