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From: Thomas Pundt <pundtt@ESCHER.UNI-MUENSTER.DE>
To: Simon Shapiro <Shimon@i-Connect.Net>
Subject: RE: Very Strange Mail Problem
Cc: djb-qmail@koobera.math.uic.edu, xfmail@Burka.NetVision.net.il,
        hackers@freebsd.org
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On 02-Feb-97 Simon Shapiro wrote:
| Attached are two pieces of email.  If I feed either one of them to xfmail
| 1.0 (or later, did not try older) all is well.
| 
| If I concatenate them, xfmail dumps core on sig 11.
[...]
| I have no clue why this happens, except that the Subject:  line appears
| long.  So, if any of you can help, I will appreciate it very much.

it's an XFMail bug, indeed caused by the long "Subject:" line; attached is a
patch that fixes the problem.

Thomas

Thomas Pundt ------------------------ http://wwwmath.uni-muenster.de/~pundtt/
Westfaelische Wilhelms-Universitaet | pundtt@math.uni-muenster.de
Einsteinstr. 62, D-48149 Muenster   | Edith-Stein-Str. 9, D-48149 Muenster
(+49) 251 - 83 33747                | privat: (+49) 251 - 273305

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diff -urN xfmail/ui/xfmail.c xfmail~/ui/xfmail.c
--- xfmail/ui/xfmail.c	Mon Dec 30 17:40:13 1996
+++ xfmail~/ui/xfmail.c	Sun Feb  2 11:18:47 1997
@@ -178,7 +178,7 @@
  va_start(ap);
 #endif
 
- vsprintf(buf, fmt, ap);
+ vsnprintf(buf, 255, fmt, ap);
 
  if ((flags == MSG_FATAL) || (flags == MSG_WARN)) 	{
 #if defined(_AIX) || defined(SunOS)

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