From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32673 invoked by alias); 29 Jun 2012 06:05:18 -0000 Received: (qmail 32655 invoked by uid 22791); 29 Jun 2012 06:05:17 -0000 X-SWARE-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED,RAZOR2_CF_RANGE_51_100,RAZOR2_CF_RANGE_E8_51_100,RAZOR2_CHECK,TW_JV X-Spam-Check-By: sourceware.org Received: from localhost (HELO sourceware.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 29 Jun 2012 06:05:00 +0000 From: "jvb127 at gmail dot com" To: glibc-bugs@sources.redhat.com Subject: [Bug network/14307] getaddrinfo() triggers duplicate DNS requests when answer contains CNAME Date: Fri, 29 Jun 2012 06:05:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: network X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jvb127 at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact glibc-bugs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: glibc-bugs-owner@sourceware.org X-SW-Source: 2012-06/txt/msg00333.txt.bz2 http://sourceware.org/bugzilla/show_bug.cgi?id=14307 --- Comment #1 from Jeroen van Bemmel 2012-06-29 06:04:59 UTC --- Created attachment 6495 --> http://sourceware.org/bugzilla/attachment.cgi?id=6495 Test program that triggers the bug (when compiled in x86_64 mode) The attached test program triggers the bug when compiled as a 64-bit executable Use: gcc -O -g dnstest.c When compiled as 32-bit (-m32), it works as expected When setting hints.ai_flags = AI_CANONNAME; both an A and an AAAA query are sent, even though hints.ai_family = AF_INET; It looks like a struct member alignment problem, causing hints to be misinterpreted -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.