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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 7AB50C433DB for ; Wed, 20 Jan 2021 15:28:25 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 29E7B23358 for ; Wed, 20 Jan 2021 15:28:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 29E7B23358 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40422 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l2FPE-0004IJ-9Q for qemu-devel@archiver.kernel.org; Wed, 20 Jan 2021 10:28:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44068) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l2FFh-0000Mc-2x for qemu-devel@nongnu.org; Wed, 20 Jan 2021 10:18:34 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:25236) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l2FFV-0007k6-NX for qemu-devel@nongnu.org; Wed, 20 Jan 2021 10:18:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611155896; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JsFy57mklfkgmUkJDKn2sHqNbbu7Gv8LwGJW/LsQMUQ=; b=iTBLlb/ffeD2Uo9oFV9N3gN7P5qaDqltqljR6dshpm2OpYXFWRpCErx8jrAW4tgWYFBDoJ 6IBG13UJSRS1CiWCVXC24muJroTfl69BQuLmZr4Yp1EyP9h1Oaj0X7WC+EyF6qjXEI4R8H pS/PDuf0WdUXNbdQM2co/2HrmwHDz6k= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-278-5Z7qBe_xMt6OAQd4vuDJ-g-1; Wed, 20 Jan 2021 10:18:14 -0500 X-MC-Unique: 5Z7qBe_xMt6OAQd4vuDJ-g-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C00EEEC1A3; Wed, 20 Jan 2021 15:18:12 +0000 (UTC) Received: from thuth.com (ovpn-114-135.ams2.redhat.com [10.36.114.135]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7BCAE60C6A; Wed, 20 Jan 2021 15:18:10 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 11/14] qtest/npcm7xx_pwm-test: Fix memleak in pwm_qom_get Date: Wed, 20 Jan 2021 16:17:48 +0100 Message-Id: <20210120151751.520597-12-thuth@redhat.com> In-Reply-To: <20210120151751.520597-1-thuth@redhat.com> References: <20210120151751.520597-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.167, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Hao Wu , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Havard Skinnemoen , Gan Qixin , Euler Robot Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Gan Qixin The pwm_qom_get function didn't free "response", which caused an indirect memory leak. So use qobject_unref() to fix it. ASAN shows memory leak stack: Indirect leak of 74160000 byte(s) in 18000 object(s) allocated from: #0 0x7f96e2f79d4e in __interceptor_calloc (/lib64/libasan.so.5+0x112d4e) #1 0x7f96e2d98a50 in g_malloc0 (/lib64/libglib-2.0.so.0+0x55a50) #2 0x556313112180 in qdict_new ../qobject/qdict.c:30 #3 0x556313115bca in parse_object ../qobject/json-parser.c:318 #4 0x556313117810 in parse_value ../qobject/json-parser.c:546 #5 0x556313117bda in json_parser_parse ../qobject/json-parser.c:580 #6 0x55631310fe67 in json_message_process_token ../qobject/json-streamer.c:92 #7 0x5563131210b7 in json_lexer_feed_char ../qobject/json-lexer.c:313 #8 0x556313121662 in json_lexer_feed ../qobject/json-lexer.c:350 #9 0x5563131101e9 in json_message_parser_feed ../qobject/json-streamer.c:121 #10 0x5563130cb81e in qmp_fd_receive ../tests/qtest/libqtest.c:614 #11 0x5563130cba2b in qtest_qmp_receive_dict ../tests/qtest/libqtest.c:636 #12 0x5563130cb939 in qtest_qmp_receive ../tests/qtest/libqtest.c:624 #13 0x5563130cbe0d in qtest_vqmp ../tests/qtest/libqtest.c:715 #14 0x5563130cc40f in qtest_qmp ../tests/qtest/libqtest.c:756 #15 0x5563130c5623 in pwm_qom_get ../tests/qtest/npcm7xx_pwm-test.c:180 #16 0x5563130c595e in pwm_get_duty ../tests/qtest/npcm7xx_pwm-test.c:210 #17 0x5563130c7529 in test_toggle ../tests/qtest/npcm7xx_pwm-test.c:447 Reported-by: Euler Robot Message-Id: <20210115075634.717909-1-ganqixin@huawei.com> Signed-off-by: Gan Qixin Reviewed-by: Havard Skinnemoen Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Hao Wu Signed-off-by: Thomas Huth --- tests/qtest/npcm7xx_pwm-test.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tests/qtest/npcm7xx_pwm-test.c b/tests/qtest/npcm7xx_pwm-test.c index 33fbdf5f54..63557d2c06 100644 --- a/tests/qtest/npcm7xx_pwm-test.c +++ b/tests/qtest/npcm7xx_pwm-test.c @@ -175,6 +175,7 @@ static int pwm_index(const PWM *pwm) static uint64_t pwm_qom_get(QTestState *qts, const char *path, const char *name) { QDict *response; + uint64_t val; g_test_message("Getting properties %s from %s", name, path); response = qtest_qmp(qts, "{ 'execute': 'qom-get'," @@ -182,7 +183,9 @@ static uint64_t pwm_qom_get(QTestState *qts, const char *path, const char *name) path, name); /* The qom set message returns successfully. */ g_assert_true(qdict_haskey(response, "return")); - return qnum_get_uint(qobject_to(QNum, qdict_get(response, "return"))); + val = qnum_get_uint(qobject_to(QNum, qdict_get(response, "return"))); + qobject_unref(response); + return val; } static uint64_t pwm_get_freq(QTestState *qts, int module_index, int pwm_index) -- 2.27.0