Date: Wed, 17 Nov 2004 01:14:18 +0100 (CET) From: Thomas Quinot <thomas@cuivre.fr.eu.org> To: FreeBSD-gnats-submit@FreeBSD.org Subject: ports/74022: procmail segfaults when terminating prematurely Message-ID: <20041117001418.ADA072C3D0@melusine.cuivre.fr.eu.org> Resent-Message-ID: <200411170020.iAH0KLqF089159@freefall.freebsd.org>
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>Number: 74022
>Category: ports
>Synopsis: procmail segfaults when terminating prematurely
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-ports-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Nov 17 00:20:21 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator: Thomas Quinot
>Release: FreeBSD 5.2.1-RELEASE-p5 i386
>Organization:
>Environment:
System: FreeBSD melusine.cuivre.fr.eu.org 5.2.1-RELEASE-p5 FreeBSD 5.2.1-RELEASE-p5 #1: Sat May 22 22:28:16 CEST 2004 thomas@melusine.cuivre.fr.eu.org:/usr2/obj/usr2/src/RELENG_5_2/sys/MELUSINE i386
>Description:
When procmail terminates prematurely for some reason, comsat processing
may cause a null pointer dereference.
>How-To-Repeat:
$ procmail
<^C>procmail: Terminating prematurely
zsh: 90182 segmentation fault (core dumped) ./procmail
>Fix:
--- procmail-3.22/src/comsat.c Tue Sep 11 06:55:46 2001
+++ /usr/ports/mail/procmail/work/procmail-3.22/src/comsat.c Wed Nov 17 01:06:48 2004
@@ -120,7 +120,7 @@
{ int s;const char*p;
if(!csvalid||!buf) /* is comat on and set to a valid address? */
return;
- if(!*cslgname||strlen(cslgname)+2>linebuf) /* is $LOGNAME bogus? */
+ if(!cslgname||!*cslgname||strlen(cslgname)+2>linebuf)/* is $LOGNAME bogus? */
return;
if(!(p=folder?folder:cslastf)) /* do we have a folder? */
return;
>Release-Note:
>Audit-Trail:
>Unformatted:
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