Date: Mon, 20 Aug 2001 11:04:30 +0900 (JST) From: Takanori Saneto <sanewo@ba2.so-net.ne.jp> To: FreeBSD-gnats-submit@freebsd.org Cc: DougB@freebsd.org Subject: ports/29880: xscreensaver hacks dumps core Message-ID: <200108200204.f7K24UP25146@ba2.so-net.ne.jp>
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>Number: 29880
>Category: ports
>Synopsis: xscreensaver hacks dumps core
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-ports
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sun Aug 19 19:10:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Takanori Saneto
>Release: FreeBSD 5.0-CURRENT i386
>Organization:
>Environment:
System: FreeBSD muse.sanewo 5.0-CURRENT FreeBSD 5.0-CURRENT #10: Sat Aug 18 21:02:31 JST 2001 sanewo@muse.sanewo:/export/usr.obj/usr/src/sys/MUSE i386
ports/x11/xscreensaver as of today.
gtk enabled.
>Description:
due to buffer overrun, some hacks of xscreensaver dumps core sporadically.
>How-To-Repeat:
Install and invoke xscreensaver and let it run for a while (e.g. one night),
and you will see couple core dumps.
>Fix:
Following patch shuould close a bug.
I don't know if there are other bugs like this one, though.
--- utils/erase.c.orig Mon Aug 20 09:31:01 2001
+++ utils/erase.c Mon Aug 20 09:32:36 2001
@@ -91,6 +91,7 @@
for (j = 0; j < granularity; j++)
{
int ii = i * granularity + j;
+ if (ii >= max) break;
if (horiz_p)
XDrawLine (dpy, window, gc, 0, lines[ii], width, lines[ii]);
else
>Release-Note:
>Audit-Trail:
>Unformatted:
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