From patchwork Mon Mar 21 23:46:25 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Thibault X-Patchwork-Id: 8636671 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8532E9F36E for ; Mon, 21 Mar 2016 23:46:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 037EB20270 for ; Mon, 21 Mar 2016 23:46:42 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5876A20221 for ; Mon, 21 Mar 2016 23:46:40 +0000 (UTC) Received: from localhost ([::1]:32796 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ai9Wx-0004Nd-S1 for patchwork-qemu-devel@patchwork.kernel.org; Mon, 21 Mar 2016 19:46:39 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52085) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ai9Wr-0004NY-DS for qemu-devel@nongnu.org; Mon, 21 Mar 2016 19:46:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ai9Wo-0002MN-2n for qemu-devel@nongnu.org; Mon, 21 Mar 2016 19:46:33 -0400 Received: from sonata.ens-lyon.org ([140.77.166.138]:37606) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ai9Wn-0002MA-S3 for qemu-devel@nongnu.org; Mon, 21 Mar 2016 19:46:30 -0400 Received: from localhost (localhost [127.0.0.1]) by sonata.ens-lyon.org (Postfix) with ESMTP id 5B98A200EC; Tue, 22 Mar 2016 00:46:28 +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 UiY9ZoLdRycM; Tue, 22 Mar 2016 00:46:28 +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 2AB20200E4; Tue, 22 Mar 2016 00:46:28 +0100 (CET) Received: from samy by var.youpi.perso.aquilenet.fr with local (Exim 4.86_2) (envelope-from ) id 1ai9Wl-0002c6-Ew; Tue, 22 Mar 2016 00:46:27 +0100 From: Samuel Thibault To: qemu-devel@nongnu.org, jan.kiszka@siemens.com, thuth@redhat.com Date: Tue, 22 Mar 2016 00:46:25 +0100 Message-Id: <1458603985-10009-1-git-send-email-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.7.0 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 Subject: [Qemu-devel] [PATCH] 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Samuel Thibault Reviewed-by: Thomas Huth --- 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 *);