Limit input size to SIZE_MAX/2.

yaml · Feb 3, 2014 · c9479c7 · c9479c7
1 parent c201bf6
commit c9479c7
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diff --git a/src/reader.c b/src/reader.c
@@ -460,6 +460,10 @@ yaml_parser_update_buffer(yaml_parser_t *parser, size_t length)
 
     }
 
+    if (parser->offset >= PTRDIFF_MAX)
+        return yaml_parser_set_reader_error(parser, "input is too long",
+                PTRDIFF_MAX, -1);
+
     return 1;
 }
 
diff --git a/src/yaml_private.h b/src/yaml_private.h
@@ -8,6 +8,7 @@
 #include <assert.h>
 #include <limits.h>
 #include <stddef.h>
+#include <stdint.h>
 
 /*
  * Memory management.