From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 563C8A0527; Mon, 9 Nov 2020 13:17:35 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 074587CC8; Mon, 9 Nov 2020 13:16:50 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by dpdk.org (Postfix) with ESMTP id C35296CA9 for ; Mon, 9 Nov 2020 13:16:46 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1604924205; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZO7vHp0RgtBAH669CQ1G2/wdl+9SOwwOtctncF6EPsg=; b=JHifnuQMD3+WQbdFzgbado4FqCGiv2WRBUTPkwEBxVD4lNqn2Vgadx7STjF0Y67Nc678nD X91Ua/EvvWa8I4Uu92xSqntoqWV7+AOXHyv1KJbGYagqGcsd2f3XOYsKu/wNXk4I6X8z3v 2fxqt9KHZVGXB+qhkirLYAJAXKhoylA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-473-ECa9rXBvMC-DraRS8-Wvew-1; Mon, 09 Nov 2020 07:16:43 -0500 X-MC-Unique: ECa9rXBvMC-DraRS8-Wvew-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2E98F1007464; Mon, 9 Nov 2020 12:16:42 +0000 (UTC) Received: from localhost.localdomain (unknown [10.36.110.32]) by smtp.corp.redhat.com (Postfix) with ESMTP id 85FF36EF5C; Mon, 9 Nov 2020 12:16:40 +0000 (UTC) From: Maxime Coquelin To: dev@dpdk.org, xuan.ding@intel.com, stephen@networkplumber.org, thomas@monjalon.net, stable@dpdk.org, chenbo.xia@intel.com Cc: Maxime Coquelin Date: Mon, 9 Nov 2020 13:16:29 +0100 Message-Id: <20201109121630.251603-3-maxime.coquelin@redhat.com> In-Reply-To: <20201109121630.251603-1-maxime.coquelin@redhat.com> References: <20201109121630.251603-1-maxime.coquelin@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Subject: [dpdk-dev] [PATCH v3 2/3] vhost: fix fd leak in dirty logging setup X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch fixes a file descriptor leak which happens in the error path of vhost_user_set_log_base(). Fixes: 4796ad63ba1f ("examples/vhost: import userspace vhost application") Cc: stable@dpdk.org Reported-by: Xuan Ding Signed-off-by: Maxime Coquelin --- lib/librte_vhost/vhost_user.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c index 473fd778ca..94b066f0b9 100644 --- a/lib/librte_vhost/vhost_user.c +++ b/lib/librte_vhost/vhost_user.c @@ -2083,7 +2083,7 @@ vhost_user_set_log_base(struct virtio_net **pdev, struct VhostUserMsg *msg, VHOST_LOG_CONFIG(ERR, "invalid log base msg size: %"PRId32" != %d\n", msg->size, (int)sizeof(VhostUserLog)); - return RTE_VHOST_MSG_RESULT_ERR; + goto close_msg_fds; } size = msg->payload.log.mmap_size; @@ -2094,7 +2094,7 @@ vhost_user_set_log_base(struct virtio_net **pdev, struct VhostUserMsg *msg, VHOST_LOG_CONFIG(ERR, "log offset %#"PRIx64" and log size %#"PRIx64" overflow\n", off, size); - return RTE_VHOST_MSG_RESULT_ERR; + goto close_msg_fds; } VHOST_LOG_CONFIG(INFO, @@ -2131,6 +2131,10 @@ vhost_user_set_log_base(struct virtio_net **pdev, struct VhostUserMsg *msg, msg->fd_num = 0; return RTE_VHOST_MSG_RESULT_REPLY; + +close_msg_fds: + close_msg_fds(msg); + return RTE_VHOST_MSG_RESULT_ERR; } static int vhost_user_set_log_fd(struct virtio_net **pdev __rte_unused, -- 2.26.2