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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 9DF9CCA9EC5 for ; Wed, 30 Oct 2019 15:53:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6BE9A217D9 for ; Wed, 30 Oct 2019 15:53:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572450800; bh=nd/q3ClEkUlGUFvr5ZowwnzZBh+B2SqzGvQsA+ggPcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=YKd8sErQ3XPiSxeLglXs4NIHlUObxJFL5ine6ai5RACf0OnBCXZZ9WnOyn1Z0P3sg 0joMO44rVvQWYO+R4pc93jDqsL/uEZsQUVn6UXtKyZmJp0n5nSZ4MaoEOR23GKroTb GuFHzISqJC57+Qy+BQvPWuB2DzzimKewFWQyLFF8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727294AbfJ3PxT (ORCPT ); Wed, 30 Oct 2019 11:53:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:54450 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726775AbfJ3PxN (ORCPT ); Wed, 30 Oct 2019 11:53:13 -0400 Received: from sasha-vm.mshome.net (100.50.158.77.rev.sfr.net [77.158.50.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4302120656; Wed, 30 Oct 2019 15:53:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572450792; bh=nd/q3ClEkUlGUFvr5ZowwnzZBh+B2SqzGvQsA+ggPcI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZeHukSVEoGk2PUeu3PTZ8Xbnuhr3MA38TK+bMGb53HjHuDI9LbPDrQenDxz5UfQpM XijpKCFVUzZ7rCNLwGd0aQ2Zq1eqBe22v0/rS+43JGq1+uQthI3fAMmZmx5WTbTSF2 0ugQzharyQdNBscMyMKbWEdyVFFgJCR/MuzfntPs= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yunfeng Ye , Jiri Olsa , Alexander Shishkin , Feilong Lin , Hu Shiyuan , Mark Rutland , Namhyung Kim , Peter Zijlstra , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH AUTOSEL 5.3 50/81] perf c2c: Fix memory leak in build_cl_output() Date: Wed, 30 Oct 2019 11:48:56 -0400 Message-Id: <20191030154928.9432-50-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191030154928.9432-1-sashal@kernel.org> References: <20191030154928.9432-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yunfeng Ye [ Upstream commit ae199c580da1754a2b051321eeb76d6dacd8707b ] There is a memory leak problem in the failure paths of build_cl_output(), so fix it. Signed-off-by: Yunfeng Ye Acked-by: Jiri Olsa Cc: Alexander Shishkin Cc: Feilong Lin Cc: Hu Shiyuan Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lore.kernel.org/lkml/4d3c0178-5482-c313-98e1-f82090d2d456@huawei.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/builtin-c2c.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index e3776f5c2e01a..637e181426587 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -2627,6 +2627,7 @@ static int build_cl_output(char *cl_sort, bool no_source) bool add_sym = false; bool add_dso = false; bool add_src = false; + int ret = 0; if (!buf) return -ENOMEM; @@ -2645,7 +2646,8 @@ static int build_cl_output(char *cl_sort, bool no_source) add_dso = true; } else if (strcmp(tok, "offset")) { pr_err("unrecognized sort token: %s\n", tok); - return -EINVAL; + ret = -EINVAL; + goto err; } } @@ -2668,13 +2670,15 @@ static int build_cl_output(char *cl_sort, bool no_source) add_sym ? "symbol," : "", add_dso ? "dso," : "", add_src ? "cl_srcline," : "", - "node") < 0) - return -ENOMEM; + "node") < 0) { + ret = -ENOMEM; + goto err; + } c2c.show_src = add_src; - +err: free(buf); - return 0; + return ret; } static int setup_coalesce(const char *coalesce, bool no_source) -- 2.20.1