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--- tree.c.orig 2008-10-31 18:14:00.000000000 -0700
+++ tree.c 2008-10-31 18:14:35.000000000 -0700
@@ -14,7 +14,7 @@
#include "libxml.h"
#include <string.h> /* for memset() only ! */
-
+#include <limits.h>
#ifdef HAVE_CTYPE_H
#include <ctype.h>
#endif
@@ -6996,7 +6996,13 @@
case XML_BUFFER_ALLOC_DOUBLEIT:
/*take care of empty case*/
newSize = (buf->size ? buf->size*2 : size + 10);
- while (size > newSize) newSize *= 2;
+ while (size > newSize) {
+ if (newSize > UINT_MAX / 2) {
+ xmlTreeErrMemory("growing buffer");
+ return 0;
+ }
+ newSize *= 2;
+ }
break;
case XML_BUFFER_ALLOC_EXACT:
newSize = size+10;
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