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=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 0F77EC433DF for ; Tue, 9 Jun 2020 01:08:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D11F720774 for ; Tue, 9 Jun 2020 01:08:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591664899; bh=hqTYac1zqlyJDPaAEG6Fyc+y1JupKz26eb4ITX31SLM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LYDTNiqZOrSfzkSDgGAk+H8gbu38kL9y7KIrgB+F5BtGS/8ghQD+IFCQ3iNglVe3S 7BWdGas5xOSyjlW2r8SkYE59WHQin6Q0SOrocY6XwPNaFS2x5WnXiYdL0cde6te4eH wo+HVZK8obADPfJUnIivY2UL4CegEYJW1HHFdTzE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730538AbgFIBHl (ORCPT ); Mon, 8 Jun 2020 21:07:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:50306 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727083AbgFHXGv (ORCPT ); Mon, 8 Jun 2020 19:06:51 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (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 AD9AA20899; Mon, 8 Jun 2020 23:06:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591657611; bh=hqTYac1zqlyJDPaAEG6Fyc+y1JupKz26eb4ITX31SLM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qL9QQlEmfv3vOL6mvxYvJqjXNwS46nVaOleZoUjHY55hUI1gJjGELrOFs/UPHKglK B+uK3qIblBN0GBKVwegKjKI0DvKgtFUdj3L6vAg5Z6ksQeR+lx+sWdiCOvXY3VXepN Spq/Ze2tIPiRnOMGvrQDhtPBLVeNA0jZhLtkpLjo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Ian Rogers , Adrian Hunter , Alexander Shishkin , Andi Kleen , Jiri Olsa , Leo Yan , Mark Rutland , Namhyung Kim , Peter Zijlstra , Stephane Eranian , clang-built-linux@googlegroups.com, Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH AUTOSEL 5.7 034/274] libperf evlist: Fix a refcount leak Date: Mon, 8 Jun 2020 19:02:07 -0400 Message-Id: <20200608230607.3361041-34-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200608230607.3361041-1-sashal@kernel.org> References: <20200608230607.3361041-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ian Rogers [ Upstream commit 4599d292128d89e4cf866a0ea9a9b047a2de8418 ] 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 Signed-off-by: Sasha Levin --- 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 5b9f2ca50591..62130d28652d 100644 --- a/tools/lib/perf/evlist.c +++ b/tools/lib/perf/evlist.c @@ -125,6 +125,7 @@ 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->threads = NULL; -- 2.25.1