X-Recipient: archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status: No, hits=-0.8 required=5.0	tests=AWL,BAYES_00,RCVD_NUMERIC_HELO,SPF_HELO_PASS,T_RP_MATCHES_RCVD
X-Spam-Check-By: sourceware.org
To: cygwin AT cygwin DOT com
connect(): No such file or directory
From: =?ISO-8859-1?Q?Ren=E9_Berber?= <r DOT berber AT computer DOT org>
Subject: Re: STATUS_ACCESS_VIOLATION in strlen running a vanilla uw-imapd
Date: Wed, 02 Jun 2010 10:29:10 -0500
Lines: 44
Message-ID: <hu5tc9$598$1@dough.gmane.org>
References: <1275486371 DOT 5031 DOT 1378094543 AT webmail DOT messagingengine DOT com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.19) Gecko/20081209 Lightning/0.9 Thunderbird/2.0.0.19 Mnenhy/0.7.6.0
In-Reply-To: <1275486371.5031.1378094543@webmail.messagingengine.com>
X-IsSubscribed: yes
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
Precedence: bulk
List-Id: <cygwin.cygwin.com>
List-Unsubscribe: <mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com

cw wrote:

> I am trying to compile the latest release of uw-imapd under Cygwin and
> Windows XP but the program crash after the first command.
>=20
> This is with the vanilla source from upstream. I know that it is not
> supposed to work very well but yesterday I did the same thing on a
> Windows Seven box and I did not have any problem.
[snip]
> GNU gdb 6.8.0.20080328-cvs (cygwin-special)
> [...]
> This GDB was configured as "i686-pc-cygwin"...
> (gdb) run
> Starting program: /tmp/imap-2007e/imapd/imapd.exe
> [New thread 2592.0x5cc]
> [New thread 2592.0x7c0]
> * PREAUTH [CAPABILITY IMAP4REV1 I18NLEVEL=3D1 LITERAL+ IDLE UIDPLUS
> NAMESPACE CHILDREN MAILBOX-REFERRALS BINARY UNSELECT ESEARCH WITHIN SCAN
> SORT THREAD=3DREFERENCES THREAD=3DORDEREDSUBJECT MULTIAPPEND]
> Pre-authenticated user dente bfmi246pc IMAP4rev1 2007e.404 at Wed, 2 Jun
> 2010 15:33:48 +0200
> [New thread 2592.0x84c]
> aaa hhh
>=20
> Program received signal SIGSEGV, Segmentation fault.
> 0x611097f3 in strlen () from /usr/bin/cygwin1.dll
> (gdb) bt
> #0  0x611097f3 in strlen () from /usr/bin/cygwin1.dll
> #1  0x7c85ada0 in OutputDebugStringA () from
> /cygdrive/c/WINDOWS/system32/kernel32.dll
> #2  0x40010006 in ?? ()
> #3  0x00000000 in ?? ()
[snip]
> Any pointer would be very much appreciated.

This looks like the well known "strlen(NULL)" problem, it crashes on
Solaris and I guess on Cygwin, does work on Linux.

You'll have to patch UW-IMAP, which already has many uses of strlen()
guarded.
--=20
Ren=E9 Berber


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple