[xiph-cvs] cvs commit: vorbis/lib envelope.c

[Michael Smith]

msmith      02/07/04 03:07:04

  Modified:    lib      envelope.c
  Log:
  Fix overrun of a buffer resulting in a crash on some input files.

Revision  Changes    Path
1.50      +2 -2      vorbis/lib/envelope.c

Index: envelope.c
===================================================================
RCS file: /usr/local/cvsroot/vorbis/lib/envelope.c,v
retrieving revision 1.49
retrieving revision 1.50
diff -u -r1.49 -r1.50
--- envelope.c	2002/04/06 03:07:25	1.49
+++ envelope.c	2002/07/04 10:07:02	1.50
@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: PCM data envelope analysis 
- last mod: $Id: envelope.c,v 1.49 2002/04/06 03:07:25 xiphmont Exp $
+ last mod: $Id: envelope.c,v 1.50 2002/07/04 10:07:02 msmith Exp $
 
  ********************************************************************/
 
@@ -226,7 +226,7 @@
   if(first<0)first=0;
 
   /* make sure we have enough storage to match the PCM */
-  if(last>ve->storage){
+  if(last+VE_WIN+VE_POST>ve->storage){
     ve->storage=last+VE_WIN+VE_POST; /* be sure */
     ve->mark=_ogg_realloc(ve->mark,ve->storage*sizeof(*ve->mark));
   }

<p><p><p>--- >8 ----
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