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,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 956A8C43603 for ; Tue, 10 Dec 2019 22:32:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6202F207FF for ; Tue, 10 Dec 2019 22:32:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576017154; bh=jMU3kFotkVBX39/Yd5DQJ41yYpGXPPIv4Qel/rKToJg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IgIX0ESmFbrFknj9lWAo+sA/FP+4PZlMigsfQ4Wy6jFYxbn7ajsp615GjFnM2L3iY PxNqMvIigTX2yRcjTBBkHULSji0GQLBX+8cJGoSrGgYi/mgkz0Z5rhCu+63hhNKXRz GrJgDXb5BjbI4hNhvu0+pq9nNmE5e0BLTgLypCfg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729590AbfLJWcd (ORCPT ); Tue, 10 Dec 2019 17:32:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:52822 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729406AbfLJWcV (ORCPT ); Tue, 10 Dec 2019 17:32:21 -0500 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 4DB73206EC; Tue, 10 Dec 2019 22:32:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576017141; bh=jMU3kFotkVBX39/Yd5DQJ41yYpGXPPIv4Qel/rKToJg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tRu50ERfPHiHAvbPGLqt0ls3D4JO9I1QY/73DywNhM5fLtOiclzoZIzm3JHsj5bun 1wg2G0je4qfKJQ6v9OEUmzGz66KFNQaTGmG46crt8RGCxAo+GrQ5rO09nmivxPx7UU f/s1tBq+o28iTAEz3Rgschsi2/DX64geA0xEPlA4= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Hewenliang , Steven Rostedt , Tzvetomir Stoyanov , Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH AUTOSEL 4.9 88/91] libtraceevent: Fix memory leakage in copy_filter_type Date: Tue, 10 Dec 2019 17:30:32 -0500 Message-Id: <20191210223035.14270-88-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210223035.14270-1-sashal@kernel.org> References: <20191210223035.14270-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hewenliang [ Upstream commit 10992af6bf46a2048ad964985a5b77464e5563b1 ] It is necessary to free the memory that we have allocated when error occurs. Fixes: ef3072cd1d5c ("tools lib traceevent: Get rid of die in add_filter_type()") Signed-off-by: Hewenliang Reviewed-by: Steven Rostedt (VMware) Cc: Tzvetomir Stoyanov Link: http://lore.kernel.org/lkml/20191119014415.57210-1-hewenliang4@huawei.com Signed-off-by: Steven Rostedt (VMware) Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/lib/traceevent/parse-filter.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index 5e10ba796a6f4..569bceff5f51b 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -1492,8 +1492,10 @@ static int copy_filter_type(struct event_filter *filter, if (strcmp(str, "TRUE") == 0 || strcmp(str, "FALSE") == 0) { /* Add trivial event */ arg = allocate_arg(); - if (arg == NULL) + if (arg == NULL) { + free(str); return -1; + } arg->type = FILTER_ARG_BOOLEAN; if (strcmp(str, "TRUE") == 0) @@ -1502,8 +1504,11 @@ static int copy_filter_type(struct event_filter *filter, arg->boolean.value = 0; filter_type = add_filter_type(filter, event->id); - if (filter_type == NULL) + if (filter_type == NULL) { + free(str); + free_arg(arg); return -1; + } filter_type->filter = arg; -- 2.20.1