From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27453 invoked by alias); 14 Sep 2010 18:30:23 -0000 Received: (qmail 27422 invoked by uid 48); 14 Sep 2010 18:30:12 -0000 Date: Tue, 14 Sep 2010 18:30:00 -0000 Message-ID: <20100914183012.27421.qmail@sourceware.org> From: "eblake at redhat dot com" To: glibc-bugs@sources.redhat.com In-Reply-To: <20100914154213.12019.eblake@redhat.com> References: <20100914154213.12019.eblake@redhat.com> Reply-To: sourceware-bugzilla@sourceware.org Subject: [Bug libc/12019] memchr overshoots on Alpha X-Bugzilla-Reason: CC 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: 2010-09/txt/msg00058.txt.bz2 ------- Additional Comments From eblake at redhat dot com 2010-09-14 18:30 ------- Stepping through the assembly reveals that the segfault is happening on: memchr(page-1,0,3) where page[-1] is '\0' and page is the start of an inaccessible page; when it should be successfully returning page-1. -- http://sourceware.org/bugzilla/show_bug.cgi?id=12019 ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.