From patchwork Wed Jan 8 11:42:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chen Qun X-Patchwork-Id: 11323727 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 28F4A1580 for ; Wed, 8 Jan 2020 13:45:01 +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 8E49E20692 for ; Wed, 8 Jan 2020 13:45:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8E49E20692 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:44128 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ipBdr-00081S-5E for patchwork-qemu-devel@patchwork.kernel.org; Wed, 08 Jan 2020 08:44:59 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:34790) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ip9ji-0002VB-JW for qemu-devel@nongnu.org; Wed, 08 Jan 2020 06:42:55 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ip9jh-0001wL-9q for qemu-devel@nongnu.org; Wed, 08 Jan 2020 06:42:54 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:2672 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ip9jW-0001qv-Gd for qemu-devel@nongnu.org; Wed, 08 Jan 2020 06:42:42 -0500 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id D86D518C5FA667C78DE2; Wed, 8 Jan 2020 19:42:33 +0800 (CST) Received: from HGHY4C002233111.china.huawei.com (10.133.205.93) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.439.0; Wed, 8 Jan 2020 19:42:27 +0800 From: To: , Subject: [PATCH] vl: fix memory leak in configure_accelerators Date: Wed, 8 Jan 2020 19:42:07 +0800 Message-ID: <20200108114207.58084-1-kuhn.chenqun@huawei.com> X-Mailer: git-send-email 2.14.1.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.133.205.93] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 45.249.212.190 X-Mailman-Approved-At: Wed, 08 Jan 2020 08:43:53 -0500 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: liyiting@huawei.com, Chen Qun , pannengyuan@huawei.com, zhang.zhanghailiang@huawei.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Chen Qun The accel_list forgot to free, the asan output: Direct leak of 16 byte(s) in 1 object(s) allocated from: #0 0xffff919331cb in __interceptor_malloc (/lib64/libasan.so.4+0xd31cb) #1 0xffff913f7163 in g_malloc (/lib64/libglib-2.0.so.0+0x57163) #2 0xffff91413d9b in g_strsplit (/lib64/libglib-2.0.so.0+0x73d9b) #3 0xaaab42fb58e7 in configure_accelerators /qemu/vl.c:2777 #4 0xaaab42fb58e7 in main /qemu/vl.c:4121 #5 0xffff8f9b0b9f in __libc_start_main (/lib64/libc.so.6+0x20b9f) #6 0xaaab42fc1dab (/qemu/build/aarch64-softmmu/qemu-system-aarch64+0x8b1dab) Indirect leak of 4 byte(s) in 1 object(s) allocated from: #0 0xffff919331cb in __interceptor_malloc (/lib64/libasan.so.4+0xd31cb) #1 0xffff913f7163 in g_malloc (/lib64/libglib-2.0.so.0+0x57163) #2 0xffff9141243b in g_strdup (/lib64/libglib-2.0.so.0+0x7243b) #3 0xffff91413e6f in g_strsplit (/lib64/libglib-2.0.so.0+0x73e6f) #4 0xaaab42fb58e7 in configure_accelerators /qemu/vl.c:2777 #5 0xaaab42fb58e7 in main /qemu/vl.c:4121 #6 0xffff8f9b0b9f in __libc_start_main (/lib64/libc.so.6+0x20b9f) #7 0xaaab42fc1dab (/qemu/build/aarch64-softmmu/qemu-system-aarch64+0x8b1dab) Reported-by: Euler Robot Signed-off-by: Chen Qun Reviewed-by: Philippe Mathieu-Daudé --- vl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/vl.c b/vl.c index 86474a55c9..035a24e52b 100644 --- a/vl.c +++ b/vl.c @@ -2788,6 +2788,7 @@ static void configure_accelerators(const char *progname) error_report("invalid accelerator %s", *tmp); } } + g_strfreev(accel_list); } else { if (accel != NULL) { error_report("The -accel and \"-machine accel=\" options are incompatible");