From patchwork Sun Mar 20 14:05:36 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Thibault X-Patchwork-Id: 599843 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3qSgjm46MSz9s5Q for ; Mon, 21 Mar 2016 01:06:20 +1100 (AEDT) Received: from localhost ([::1]:53062 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ahdzm-0003SK-HY for incoming@patchwork.ozlabs.org; Sun, 20 Mar 2016 10:06:18 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34796) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ahdzD-0002b5-Ag for qemu-devel@nongnu.org; Sun, 20 Mar 2016 10:05:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ahdzA-0002iZ-GD for qemu-devel@nongnu.org; Sun, 20 Mar 2016 10:05:43 -0400 Received: from domu-toccata.ens-lyon.fr ([140.77.166.138]:43644 helo=sonata.ens-lyon.org) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ahdzA-0002hs-4d for qemu-devel@nongnu.org; Sun, 20 Mar 2016 10:05:40 -0400 Received: from localhost (localhost [127.0.0.1]) by sonata.ens-lyon.org (Postfix) with ESMTP id 5A6B0200E3; Sun, 20 Mar 2016 15:05:38 +0100 (CET) Received: from sonata.ens-lyon.org ([127.0.0.1]) by localhost (sonata.ens-lyon.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Zt8tJqOgt2W7; Sun, 20 Mar 2016 15:05:38 +0100 (CET) Received: from var.youpi.perso.aquilenet.fr (LFbn-1-6757-94.w90-120.abo.wanadoo.fr [90.120.189.94]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by sonata.ens-lyon.org (Postfix) with ESMTPSA id 2B521200DD; Sun, 20 Mar 2016 15:05:38 +0100 (CET) Received: from samy by var.youpi.perso.aquilenet.fr with local (Exim 4.86_2) (envelope-from ) id 1ahdz7-0001qq-Dt; Sun, 20 Mar 2016 15:05:37 +0100 From: Samuel Thibault To: qemu-devel@nongnu.org, peter.maydell@linaro.org Date: Sun, 20 Mar 2016 15:05:36 +0100 Message-Id: <1458482736-7075-2-git-send-email-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1458482736-7075-1-git-send-email-samuel.thibault@ens-lyon.org> References: <1458482736-7075-1-git-send-email-samuel.thibault@ens-lyon.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 140.77.166.138 Cc: Samuel Thibault , jan.kiszka@siemens.com Subject: [Qemu-devel] [PULL] slirp: Fix memory leak on small incoming ipv4 packet X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Samuel Thibault --- slirp/ip_input.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/slirp/ip_input.c b/slirp/ip_input.c index 12f173d..b464f6b 100644 --- a/slirp/ip_input.c +++ b/slirp/ip_input.c @@ -85,7 +85,7 @@ ip_input(struct mbuf *m) DEBUG_ARG("m_len = %d", m->m_len); if (m->m_len < sizeof (struct ip)) { - return; + goto bad; } ip = mtod(m, struct ip *);