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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 BA3B1C43381 for ; Sat, 30 Mar 2019 01:05:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8496E2064A for ; Sat, 30 Mar 2019 01:05:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553907939; bh=qnhmCz+mZymO+eGA9LDvfuTzVLL3mazASGYcNkyv4O4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Tch7Qnm9Ww7IAID05c88mVZow4ZUph/mu5/ggG5AsUz25aTZP+GkRnqwLBxIfaUuU HyyMsZKqS5U1s3gwpYkrZV/iC4TZcfBtupibhp78Edbs1mAR0j7mCFO32VENSj6ihP hVEK9ihJQMKl21Guzivh5f7bJh3iG7SyingMboNs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730969AbfC3AyK (ORCPT ); Fri, 29 Mar 2019 20:54:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:32958 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731444AbfC3AyJ (ORCPT ); Fri, 29 Mar 2019 20:54:09 -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 EB241218EA; Sat, 30 Mar 2019 00:54:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553907248; bh=qnhmCz+mZymO+eGA9LDvfuTzVLL3mazASGYcNkyv4O4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dDrVgNagieYbHlEcQUBuQamE+Jdl85mhc3JPeZpCECpZEVC7mGFFtkzHZxSb6nOsC n1vrouXh7CnjUys7b84uHbQRYhuUFtzCR/QIXb9JDJIEXCJwCUNiUoVQJbo+2zGF/P PutGxTDuZxJEPn5u1LS8LxEPdRkf8POMXzMOCcoE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Changbin Du , Alexei Starovoitov , Daniel Borkmann , Namhyung Kim , Peter Zijlstra , Steven Rostedt , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH AUTOSEL 4.19 35/52] perf tests: Fix a memory leak of cpu_map object in the openat_syscall_event_on_all_cpus test Date: Fri, 29 Mar 2019 20:52:42 -0400 Message-Id: <20190330005301.26868-35-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190330005301.26868-1-sashal@kernel.org> References: <20190330005301.26868-1-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: Changbin Du [ Upstream commit 93faa52e8371f0291ee1ff4994edae2b336b6233 ] ================================================================= ==7497==ERROR: LeakSanitizer: detected memory leaks Direct leak of 40 byte(s) in 1 object(s) allocated from: #0 0x7f0333a88f30 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0xedf30) #1 0x5625e5326213 in cpu_map__trim_new util/cpumap.c:45 #2 0x5625e5326703 in cpu_map__read util/cpumap.c:103 #3 0x5625e53267ef in cpu_map__read_all_cpu_map util/cpumap.c:120 #4 0x5625e5326915 in cpu_map__new util/cpumap.c:135 #5 0x5625e517b355 in test__openat_syscall_event_on_all_cpus tests/openat-syscall-all-cpus.c:36 #6 0x5625e51528e6 in run_test tests/builtin-test.c:358 #7 0x5625e5152baf in test_and_print tests/builtin-test.c:388 #8 0x5625e51543fe in __cmd_test tests/builtin-test.c:583 #9 0x5625e515572f in cmd_test tests/builtin-test.c:722 #10 0x5625e51c3fb8 in run_builtin /home/changbin/work/linux/tools/perf/perf.c:302 #11 0x5625e51c44f7 in handle_internal_command /home/changbin/work/linux/tools/perf/perf.c:354 #12 0x5625e51c48fb in run_argv /home/changbin/work/linux/tools/perf/perf.c:398 #13 0x5625e51c5069 in main /home/changbin/work/linux/tools/perf/perf.c:520 #14 0x7f033214d09a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a) Signed-off-by: Changbin Du Reviewed-by: Jiri Olsa Cc: Alexei Starovoitov Cc: Daniel Borkmann Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Steven Rostedt (VMware) Fixes: f30a79b012e5 ("perf tools: Add reference counting for cpu_map object") Link: http://lkml.kernel.org/r/20190316080556.3075-15-changbin.du@gmail.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/tests/openat-syscall-all-cpus.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index c531e6deb104..493ecb611540 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -45,7 +45,7 @@ int test__openat_syscall_event_on_all_cpus(struct test *test __maybe_unused, int if (IS_ERR(evsel)) { tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "syscalls", "sys_enter_openat"); pr_debug("%s\n", errbuf); - goto out_thread_map_delete; + goto out_cpu_map_delete; } if (perf_evsel__open(evsel, cpus, threads) < 0) { @@ -119,6 +119,8 @@ int test__openat_syscall_event_on_all_cpus(struct test *test __maybe_unused, int perf_evsel__close_fd(evsel); out_evsel_delete: perf_evsel__delete(evsel); +out_cpu_map_delete: + cpu_map__put(cpus); out_thread_map_delete: thread_map__put(threads); return err; -- 2.19.1