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 74145C28CBC for ; Wed, 6 May 2020 15:25:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 540AC20A8B for ; Wed, 6 May 2020 15:25:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588778702; bh=zHvS9PkL+GcnPTyFz1IktcsnF+BRH2cTHAWtFQtWzkU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=p35XYdRLWmU6eWDGlfqervoWHbozItROQsDuzDOfBL60SqaT6GBMuFg0YxjaAw0CL NYFUFLRwg7N+y6oCu7KKKU2l058aH91Ot82B5500N8wTyway9wePaxYwaoOp4bXIeD sqS5RXBYzHcVZlI83+zkzmk8EhoQ3dAlUbRB66sA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729940AbgEFPZB (ORCPT ); Wed, 6 May 2020 11:25:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:43986 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729626AbgEFPY7 (ORCPT ); Wed, 6 May 2020 11:24:59 -0400 Received: from quaco.ghostprotocols.net (unknown [179.97.37.151]) (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 9FDE620CC7; Wed, 6 May 2020 15:24:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588778699; bh=zHvS9PkL+GcnPTyFz1IktcsnF+BRH2cTHAWtFQtWzkU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eQQ5HZc+zx6olv7Ekm7eGJcOgVP6TnY2vjG4YYDV523adms1uE2dDfbmVU+IizP9K fHJUCm2aRAVmsB7Vy9W4HPIg57LE7S9H1YFES0oOB6XKzBguXhnMnlsGW8nnCENA/L bv012a7QOp3zG12xhPWrp1X0xYwWtIcIwKuXCCfA= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Ian Rogers , Adrian Hunter , Alexander Shishkin , Andi Kleen , Jiri Olsa , Leo Yan , Mark Rutland , Peter Zijlstra , Stephane Eranian , clang-built-linux@googlegroups.com, Arnaldo Carvalho de Melo Subject: [PATCH 36/91] libperf evlist: Fix a refcount leak Date: Wed, 6 May 2020 12:21:39 -0300 Message-Id: <20200506152234.21977-37-acme@kernel.org> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200506152234.21977-1-acme@kernel.org> References: <20200506152234.21977-1-acme@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ian Rogers Memory leaks found by applying LLVM's libfuzzer on the tools/perf parse_events function. Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Cc: clang-built-linux@googlegroups.com Link: http://lore.kernel.org/lkml/20200319023101.82458-2-irogers@google.com [ Did a minor adjustment due to some other previous patch having already set evlist->all_cpus to NULL at perf_evlist__exit() ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/lib/perf/evlist.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c index c481b62f2ce4..6a875a0f01bb 100644 --- a/tools/lib/perf/evlist.c +++ b/tools/lib/perf/evlist.c @@ -123,6 +123,7 @@ static void perf_evlist__purge(struct perf_evlist *evlist) void perf_evlist__exit(struct perf_evlist *evlist) { perf_cpu_map__put(evlist->cpus); + perf_cpu_map__put(evlist->all_cpus); perf_thread_map__put(evlist->threads); evlist->cpus = NULL; evlist->all_cpus = NULL; -- 2.21.1