From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1098017-1521804331-2-12190661315683110761 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1521804331; b=g82huK/gpvMDyHGrTVTlZPzMOrTV8X8x5RRPr07agkP5zwS P3PdCbqfR1JVWZ0Je8wkFF3QvTlq3EmKxY7lZnWQ18qFnmy+Xju1k5B2DzuP+Z6o xrVKzgrIcBbmC0zPbJZFRsBamSfShzXMxE/jojla/CyHWBK1JoU4dPHa6xEUPkk+ TriIs5Rqg0aQd5cgUZKBiO522yJrSSbNxZKQelZMD38GFIqOBPaYflTNXng/9YUg Wjiso5iCeR+MN68++yC/X3KkdQfhy7iyeBndROmT3m/1ZzwDmytZK+m964x1Vq0v CzII8NhzgEOGUuxapLQkSZDnTSANmVTdJggMfSQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1521804331; bh=FIpWorFPzFRCH6IfhuNjXJ8a2U UtJXjj1MsJ2vIoMBY=; b=vppPeYLrzfeMWApERKCmRpTR9w5LV7nep4jR5501PS 9hYMui60nDRbkyqm4P5EChZGAS6AL/nCcoe53QhzYzoBr3SXaf5h5DdkGPziuMpD 9/743Fj5cV5O8ZV9+47/jP8kgFnZh/Id+L2HOMj6WUXo8i+iKJ5Lwjs8mO5De6qM 27an3Le4sJxeR+Q5uns0yhBOq6hpqP/RGKMhzUjUT46wL+Ypo9T372dsgIP5UzGN ffmvpT1L3YzxV9Kt/00RHz9ZPseoekTecnevHdziHs89bCwAX+rBU4OJQMK8w0Wj myVQ7OrRkTtUvuF1f6o1jX7q/BU5/cWTwxrO9qoR1nlw== ARC-Authentication-Results: i=1; mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755281AbeCWKHb (ORCPT ); Fri, 23 Mar 2018 06:07:31 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:41262 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755013AbeCWKH3 (ORCPT ); Fri, 23 Mar 2018 06:07:29 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Pan Bian , "David S. Miller" , Sasha Levin Subject: [PATCH 4.9 062/177] tipc: check return value of nlmsg_new Date: Fri, 23 Mar 2018 10:53:10 +0100 Message-Id: <20180323094208.070539976@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180323094205.090519271@linuxfoundation.org> References: <20180323094205.090519271@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pan Bian [ Upstream commit 78302fd405769c9a9379e9adda119d533dce2eed ] Function nlmsg_new() will return a NULL pointer if there is no enough memory, and its return value should be checked before it is used. However, in function tipc_nl_node_get_monitor(), the validation of the return value of function nlmsg_new() is missed. This patch fixes the bug. Signed-off-by: Pan Bian Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- net/tipc/node.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -2094,6 +2094,8 @@ int tipc_nl_node_get_monitor(struct sk_b int err; msg.skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg.skb) + return -ENOMEM; msg.portid = info->snd_portid; msg.seq = info->snd_seq;