From patchwork Tue Mar 27 10:28:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Schwab X-Patchwork-Id: 891503 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=sourceware.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=libc-alpha-return-91257-incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.b="IszUbDUb"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 409S015y6vz9s1c for ; Tue, 27 Mar 2018 21:28:17 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:mime-version :content-type; q=dns; s=default; b=hKJ+QoPhPi0qYg5o2+0DdVUFtnCNB XKU9JmhPCIGX3+tAJCbFLvsJDQOiQTWsXduAVgraBiWmZfwARZUEficOvjlQR5DR 4m9ckyKKKqIVj6IuGv6es7nvi1EdtAoOTIKSl6Q4l1Oq9SHHtZWpqojhrwhtulRH lAp/PdT6HZm1l0= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:mime-version :content-type; s=default; bh=ltMQAXKbVUlgmcOojraGfPb3m/Y=; b=Isz UbDUbOj3hwdT5PzCfUDUTHnx00oV7alBw8zRFL+5e9Im1VN76WhAFuZAtxod3JmY NEMqhKTr/omrPJG+qnCbHvq4fowcQa9MGIU3U3UQrR4xJwXXYDwiSljwzJqevpvt JiIwe2xiDM0fjLxbS63xjDNH88ghpG9uz2EhyQuI= Received: (qmail 5492 invoked by alias); 27 Mar 2018 10:28:11 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 5165 invoked by uid 89); 27 Mar 2018 10:28:10 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-26.9 required=5.0 tests=BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, SPF_PASS, T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 spammy= X-HELO: mx2.suse.de From: Andreas Schwab To: libc-alpha@sourceware.org Subject: [PATCH] Fix crash in resolver on memory allocation failure (bug 23005) X-Yow: I smell a RANCID CORN DOG! Date: Tue, 27 Mar 2018 12:28:06 +0200 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.91 (gnu/linux) MIME-Version: 1.0 [BZ #23005] * resolv/res_send.c (__res_context_send): Return ENOMEM if allocation of private copy of nsaddr_list fails. Reviewed-by: Carlos O'Donell --- resolv/res_send.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/resolv/res_send.c b/resolv/res_send.c index dde0425a33..7debf143f7 100644 --- a/resolv/res_send.c +++ b/resolv/res_send.c @@ -471,6 +471,11 @@ __res_context_send (struct resolv_context *ctx, '\0', sizeof (struct sockaddr_in6) - sizeof (struct sockaddr_in)); + else + { + __set_errno (ENOMEM); + return -1; + } } EXT(statp).nscount = statp->nscount; }