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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,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 87AD8C4743C for ; Mon, 21 Jun 2021 23:44:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D60C60FE7 for ; Mon, 21 Jun 2021 23:44:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231569AbhFUXqW (ORCPT ); Mon, 21 Jun 2021 19:46:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231486AbhFUXqV (ORCPT ); Mon, 21 Jun 2021 19:46:21 -0400 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A99FCC061574; Mon, 21 Jun 2021 16:44:05 -0700 (PDT) Received: by mail-wr1-x436.google.com with SMTP id f15so6032365wro.8; Mon, 21 Jun 2021 16:44:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=dkfEivTJ/i26MPVfrBKgtPUKbo9w17uJTMSrgD2eqdY=; b=oYVrW9ZO5ZsWfZI7ky1Mi50azrN2wO3BB81Tmwchom8xnc5uqZRVf34P29fNovw2Dz ZNQibF1z0lANfFpD1rjk385hAwrl2f2v+fXyjqP8iG2Qr9OwrVdNh4ot0M9YWrJ+jQxA EkbnAn0kvMThOcKNIFwUop8kzTSlAV4tkxXRywF/+4mxhAXtaH8v890XlNE54Aqtta6i wiWlp+z5eJj6d8wmNiYAd1F94pPQoy3Q2cYE23lNtIgK2T/z3BPjFIBPoxmIqwjurycT WIFBW17NpULpCuq29xKvhW07MqzLbBro4s11hf/kCGBYRTEBHMwuZIa89lVQgsML20Cj fY5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=dkfEivTJ/i26MPVfrBKgtPUKbo9w17uJTMSrgD2eqdY=; b=epE83YzNBCla7/TUoIrVDJMTJpGmCoaObcz7nblcx6pXOfODl+jy560PQszczTtAMN 2cDatYQsZOUjM/Hu+uITqwYjfveEqDAv9pqu29lazyd/yPBzxj5T6RBQdT9lIJcE2vEM 2Mhvke3xGmOSD+mxCA9ylDMaBoHolnuZmaaf898fgsCyiIXLyLbFce8x88a9yZ08pJe8 c27Tweku0qzJ6QYeExYjnTWqiGbzMkNImIpODUB3GRPp6x4ZOnEeG/212dAVYrO06AvA ccyY2UKgP4wacpOn8fL2BFLCZG8lhYz97U70yNVaqecWyGQ9jpMPfq4+OeFlbHhf8ZNt RU7A== X-Gm-Message-State: AOAM530+BTwvApTedoUirlKDeTNfV7WwaXKTnYuK2PxjoejFLBJQLrkY qGQpGRhyCfbr7fywTM9Iwy8= X-Google-Smtp-Source: ABdhPJz2G+xhicVhcujyn9BYWbKTDJZXahzlmrvJ5VgRC+iRhErU8dSXo8i70WHbATY3t7/YrTXiag== X-Received: by 2002:a05:6000:1a41:: with SMTP id t1mr1043592wry.175.1624319044213; Mon, 21 Jun 2021 16:44:04 -0700 (PDT) Received: from honeypot.. ([151.29.45.200]) by smtp.googlemail.com with ESMTPSA id n18sm473130wmq.41.2021.06.21.16.44.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 16:44:03 -0700 (PDT) From: Riccardo Mancini To: Arnaldo Carvalho de Melo Cc: Namhyung Kim , Ian Rogers , Riccardo Mancini , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] perf: add missing evlist__delete when deleting Date: Tue, 22 Jun 2021 01:43:16 +0200 Message-Id: <20210621234317.235545-1-rickyman7@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org ASan reports a memory leak caused by evlist not being deleted on exit in perf-report and perf-script. The problem is caused by evlist__delete not being called before perf_session__delete, since the latter does not delete the evlist too. These two patches add the missing deletes in both perf-report and perf-script. ASan report follows: $ ./perf script report flamegraph ================================================================= ==227640==ERROR: LeakSanitizer: detected memory leaks Indirect leak of 2704 byte(s) in 1 object(s) allocated from: #0 0x4f4137 in calloc (/home/user/linux/tools/perf/perf+0x4f4137) #1 0xbe3d56 in zalloc /home/user/linux/tools/lib/perf/../../lib/zalloc.c:8:9 #2 0x7f999e in evlist__new /home/user/linux/tools/perf/util/evlist.c:77:26 #3 0x8ad938 in perf_session__read_header /home/user/linux/tools/perf/util/header.c:3797:20 #4 0x8ec714 in perf_session__open /home/user/linux/tools/perf/util/session.c:109:6 #5 0x8ebe83 in perf_session__new /home/user/linux/tools/perf/util/session.c:213:10 #6 0x60c6de in cmd_script /home/user/linux/tools/perf/builtin-script.c:3856:12 #7 0x7b2930 in run_builtin /home/user/linux/tools/perf/perf.c:313:11 #8 0x7b120f in handle_internal_command /home/user/linux/tools/perf/perf.c:365:8 #9 0x7b2493 in run_argv /home/user/linux/tools/perf/perf.c:409:2 #10 0x7b0c89 in main /home/user/linux/tools/perf/perf.c:539:3 #11 0x7f5260654b74 (/lib64/libc.so.6+0x27b74) Indirect leak of 568 byte(s) in 1 object(s) allocated from: #0 0x4f4137 in calloc (/home/user/linux/tools/perf/perf+0x4f4137) #1 0xbe3d56 in zalloc /home/user/linux/tools/lib/perf/../../lib/zalloc.c:8:9 #2 0x80ce88 in evsel__new_idx /home/user/linux/tools/perf/util/evsel.c:268:24 #3 0x8aed93 in evsel__new /home/user/linux/tools/perf/util/evsel.h:210:9 #4 0x8ae07e in perf_session__read_header /home/user/linux/tools/perf/util/header.c:3853:11 #5 0x8ec714 in perf_session__open /home/user/linux/tools/perf/util/session.c:109:6 #6 0x8ebe83 in perf_session__new /home/user/linux/tools/perf/util/session.c:213:10 #7 0x60c6de in cmd_script /home/user/linux/tools/perf/builtin-script.c:3856:12 #8 0x7b2930 in run_builtin /home/user/linux/tools/perf/perf.c:313:11 #9 0x7b120f in handle_internal_command /home/user/linux/tools/perf/perf.c:365:8 #10 0x7b2493 in run_argv /home/user/linux/tools/perf/perf.c:409:2 #11 0x7b0c89 in main /home/user/linux/tools/perf/perf.c:539:3 #12 0x7f5260654b74 (/lib64/libc.so.6+0x27b74) Indirect leak of 264 byte(s) in 1 object(s) allocated from: #0 0x4f4137 in calloc (/home/user/linux/tools/perf/perf+0x4f4137) #1 0xbe3d56 in zalloc /home/user/linux/tools/lib/perf/../../lib/zalloc.c:8:9 #2 0xbe3e70 in xyarray__new /home/user/linux/tools/lib/perf/xyarray.c:10:23 #3 0xbd7754 in perf_evsel__alloc_id /home/user/linux/tools/lib/perf/evsel.c:361:21 #4 0x8ae201 in perf_session__read_header /home/user/linux/tools/perf/util/header.c:3871:7 #5 0x8ec714 in perf_session__open /home/user/linux/tools/perf/util/session.c:109:6 #6 0x8ebe83 in perf_session__new /home/user/linux/tools/perf/util/session.c:213:10 #7 0x60c6de in cmd_script /home/user/linux/tools/perf/builtin-script.c:3856:12 #8 0x7b2930 in run_builtin /home/user/linux/tools/perf/perf.c:313:11 #9 0x7b120f in handle_internal_command /home/user/linux/tools/perf/perf.c:365:8 #10 0x7b2493 in run_argv /home/user/linux/tools/perf/perf.c:409:2 #11 0x7b0c89 in main /home/user/linux/tools/perf/perf.c:539:3 #12 0x7f5260654b74 (/lib64/libc.so.6+0x27b74) Indirect leak of 32 byte(s) in 1 object(s) allocated from: #0 0x4f4137 in calloc (/home/user/linux/tools/perf/perf+0x4f4137) #1 0xbe3d56 in zalloc /home/user/linux/tools/lib/perf/../../lib/zalloc.c:8:9 #2 0xbd77e0 in perf_evsel__alloc_id /home/user/linux/tools/lib/perf/evsel.c:365:14 #3 0x8ae201 in perf_session__read_header /home/user/linux/tools/perf/util/header.c:3871:7 #4 0x8ec714 in perf_session__open /home/user/linux/tools/perf/util/session.c:109:6 #5 0x8ebe83 in perf_session__new /home/user/linux/tools/perf/util/session.c:213:10 #6 0x60c6de in cmd_script /home/user/linux/tools/perf/builtin-script.c:3856:12 #7 0x7b2930 in run_builtin /home/user/linux/tools/perf/perf.c:313:11 #8 0x7b120f in handle_internal_command /home/user/linux/tools/perf/perf.c:365:8 #9 0x7b2493 in run_argv /home/user/linux/tools/perf/perf.c:409:2 #10 0x7b0c89 in main /home/user/linux/tools/perf/perf.c:539:3 #11 0x7f5260654b74 (/lib64/libc.so.6+0x27b74) Indirect leak of 7 byte(s) in 1 object(s) allocated from: #0 0x4b8207 in strdup (/home/user/linux/tools/perf/perf+0x4b8207) #1 0x8b4459 in evlist__set_event_name /home/user/linux/tools/perf/util/header.c:2292:16 #2 0x89d862 in process_event_desc /home/user/linux/tools/perf/util/header.c:2313:3 #3 0x8af319 in perf_file_section__process /home/user/linux/tools/perf/util/header.c:3651:9 #4 0x8aa6e9 in perf_header__process_sections /home/user/linux/tools/perf/util/header.c:3427:9 #5 0x8ae3e7 in perf_session__read_header /home/user/linux/tools/perf/util/header.c:3886:2 #6 0x8ec714 in perf_session__open /home/user/linux/tools/perf/util/session.c:109:6 #7 0x8ebe83 in perf_session__new /home/user/linux/tools/perf/util/session.c:213:10 #8 0x60c6de in cmd_script /home/user/linux/tools/perf/builtin-script.c:3856:12 #9 0x7b2930 in run_builtin /home/user/linux/tools/perf/perf.c:313:11 #10 0x7b120f in handle_internal_command /home/user/linux/tools/perf/perf.c:365:8 #11 0x7b2493 in run_argv /home/user/linux/tools/perf/perf.c:409:2 #12 0x7b0c89 in main /home/user/linux/tools/perf/perf.c:539:3 #13 0x7f5260654b74 (/lib64/libc.so.6+0x27b74) SUMMARY: AddressSanitizer: 3728 byte(s) leaked in 7 allocation(s). Riccardo Mancini (2): perf report: delete evlist when deleting session perf script: delete evlist when deleting session tools/perf/builtin-report.c | 2 ++ tools/perf/builtin-script.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) -- 2.31.1