From patchwork Wed Oct 19 16:09:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chas Williams <3chas3@gmail.com> X-Patchwork-Id: 16723 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 794406CD2; Wed, 19 Oct 2016 18:09:58 +0200 (CEST) Received: from mail-qk0-f195.google.com (mail-qk0-f195.google.com [209.85.220.195]) by dpdk.org (Postfix) with ESMTP id DA4262BA9 for ; Wed, 19 Oct 2016 18:09:56 +0200 (CEST) Received: by mail-qk0-f195.google.com with SMTP id f128so2319775qkb.0 for ; Wed, 19 Oct 2016 09:09:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=jruvO6v9m2hOcPAtHhQzP1MERSN3tKfrjIvSPMtvGxw=; b=bfvGYzNOO+5qiVvQBcdoq1FEKngDXTxBZClwUg+HzRlgk0u+x7dfotmdwMoRo9gEy0 vjjULNERi2FykEs5weJ9fRnAKUgJNpyw2etqRzHFkcSvvUDjoV7V2Rh+RzIy7qcI5vKo rWNnuM/2ryrhMy8q+AjPgLhZ8KTGRAaDOurA1No5KkWb3L2gOn8Lt6cX+L7DpD6+qaGP VPV2KuabEKp7LVvP14496X+XwpsaXLT25Nj+Ku58dv28YMjpCrK+XYLX0Tx2N/jshgsj yu9rnG5gEybcmGbwSftx5eed12l9GZIFCk2ytKxl8G/DrNBTn9S2egYlty/vYIwZDjLh 1uYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=jruvO6v9m2hOcPAtHhQzP1MERSN3tKfrjIvSPMtvGxw=; b=Jysi3nY5BG2m4A9mGzk8T/DIasapQ6HUOLyhE0zmEFXDcNajRFGTxZbr0dlIMhZmsA vKfnbTWzUCuJhvuiUT0kCdqZjiiBH8/YS8tY/0soH9iDJsmRRuUMiNo9LeFWxBLkTlqU kpvHASxKaj6I8ebcDiA9yiuO14jXvnLslk2X5daWs5ixa6IFJwYC2iJhX6dRuWWFJO0c Y2yvzayn9R/EwkM0rJOPeDg7ii/lEemnn+nNf9Ygmn6pyWvAx+NnZjW6b9NmZ8b46hLT jfBfkQ0dCh0zZcsmtiD0/0miXaXEZ858eqJOp2AuFuK3DV9z2jV8/+kNKGV/a7VIZAc9 VIEg== X-Gm-Message-State: ABUngveck+19UG8KrJZvD78d8sz7hF3LsfZjwqF+YBrpTUWLRJC6VrdnJ04rnGr1dT1Hww== X-Received: by 10.55.134.4 with SMTP id i4mr6691544qkd.195.1476893396406; Wed, 19 Oct 2016 09:09:56 -0700 (PDT) Received: from monolith.home (pool-96-255-41-157.washdc.fios.verizon.net. [96.255.41.157]) by smtp.gmail.com with ESMTPSA id p13sm10586266qtp.20.2016.10.19.09.09.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Oct 2016 09:09:55 -0700 (PDT) From: Chas Williams <3chas3@gmail.com> To: dev@dpdk.org Cc: Chas Williams <3chas3@gmail.com> Date: Wed, 19 Oct 2016 12:09:50 -0400 Message-Id: <1476893390-4192-1-git-send-email-3chas3@gmail.com> X-Mailer: git-send-email 2.7.4 Subject: [dpdk-dev] [PATCH] vhost: use after free X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Don't dereference freed memory. Fixes: a277c7159876 ("vhost: refactor code structure") Signed-off-by: Chas Williams <3chas3@gmail.com> --- lib/librte_vhost/socket.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_vhost/socket.c b/lib/librte_vhost/socket.c index 967cb65..aaa9c27 100644 --- a/lib/librte_vhost/socket.c +++ b/lib/librte_vhost/socket.c @@ -250,8 +250,8 @@ vhost_user_read_cb(int connfd, void *dat, int *remove) vsocket->connfd = -1; close(connfd); *remove = 1; - free(conn); vhost_destroy_device(conn->vid); + free(conn); if (vsocket->reconnect) vhost_user_create_client(vsocket);