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=-13.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 60EB7C433DF for ; Mon, 24 Aug 2020 09:12:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34A76206BE for ; Mon, 24 Aug 2020 09:12:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598260321; bh=APaZWR8dp4pm9OJV+km8jzu4nmbPaHhaC0PDHDJ+Elc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=f5Y3cdzNThIk+uHcLIjkORJM7SDcInV3xvbY4xopyHwWWkXTXekhlwOaqUH+FFlYc UosJ2q8BnJUFy5QzSmXd9NO+//Fv0xakFMOwV9gPnWbJTm7NLTx/Ro4J5ExjBT0o8N BZUi1es8gzWslabxslaN/KiiecuUGyzxs6ToeDKY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729703AbgHXJL7 (ORCPT ); Mon, 24 Aug 2020 05:11:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:40444 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730504AbgHXI4O (ORCPT ); Mon, 24 Aug 2020 04:56:14 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B1095206F0; Mon, 24 Aug 2020 08:56:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598259374; bh=APaZWR8dp4pm9OJV+km8jzu4nmbPaHhaC0PDHDJ+Elc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B3AX2tXWWV6VPRyukm6xUQ/PVawqGUtVbyl9+nguDNAV6zSRiKOFk/iWwScMmy5bi Y3VMgAmN6GNkQBfted0hhbYCG2TgbfcBGRKIfp7TdtnYWNEmRpDyGp7buuUVY3oFiY SomswgOuF32CswJQYzrf71JmsmXqO+GMlfA757WM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Gaurav Singh , Andrew Morton , Shuah Khan , Tejun Heo , Michal Koutn , Roman Gushchin , Christian Brauner , Chris Down , Linus Torvalds , Sasha Levin Subject: [PATCH 4.19 35/71] tools/testing/selftests/cgroup/cgroup_util.c: cg_read_strcmp: fix null pointer dereference Date: Mon, 24 Aug 2020 10:31:26 +0200 Message-Id: <20200824082357.640632967@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200824082355.848475917@linuxfoundation.org> References: <20200824082355.848475917@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gaurav Singh [ Upstream commit d830020656c5b68ced962ed3cb51a90e0a89d4c4 ] Haven't reproduced this issue. This PR is does a minor code cleanup. Signed-off-by: Gaurav Singh Signed-off-by: Andrew Morton Reviewed-by: Andrew Morton Cc: Shuah Khan Cc: Tejun Heo Cc: Michal Koutn Cc: Roman Gushchin Cc: Christian Brauner Cc: Chris Down Link: http://lkml.kernel.org/r/20200726013808.22242-1-gaurav1086@gmail.com Signed-off-by: Linus Torvalds Signed-off-by: Sasha Levin --- tools/testing/selftests/cgroup/cgroup_util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c index 075cb0c730149..90418d79ef676 100644 --- a/tools/testing/selftests/cgroup/cgroup_util.c +++ b/tools/testing/selftests/cgroup/cgroup_util.c @@ -95,7 +95,7 @@ int cg_read_strcmp(const char *cgroup, const char *control, /* Handle the case of comparing against empty string */ if (!expected) - size = 32; + return -1; else size = strlen(expected) + 1; -- 2.25.1