From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22568 invoked by alias); 4 May 2011 15:02:52 -0000 Received: (qmail 22558 invoked by uid 22791); 4 May 2011 15:02:50 -0000 X-SWARE-Spam-Status: No, hits=-2.7 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_CP X-Spam-Check-By: sourceware.org Received: from localhost (HELO sourceware.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 04 May 2011 15:02:38 +0000 From: "felipe.contreras at gmail dot com" To: glibc-bugs@sources.redhat.com Subject: [Bug libc/12518] memcpy acts randomly (and differently) with overlapping areas X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: libc X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: felipe.contreras at gmail dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: drepper.fsp at gmail dot com 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 Date: Wed, 04 May 2011 15:02:00 -0000 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: 2011-05/txt/msg00017.txt.bz2 http://sourceware.org/bugzilla/show_bug.cgi?id=12518 --- Comment #27 from Felipe Contreras 2011-05-04 15:01:05 UTC --- (In reply to comment #26) > (In reply to comment #25) > > So, again, I think we need at least a transition period so that people can > > detect and fix the issues. > > But it may be difficult to detect the issues. For instance, zsh was affected by > a similar problem (now fixed in CVS only) with the optimized strcpy, but to > detect the problem, it involves keyboard input: Yes, it is difficult, that's why I think it should be enabled globally. BTW. Here's another issue on zsh I found while enabling the memcpy checks: https://bugzilla.redhat.com/show_bug.cgi?id=698439 -- 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.