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diff src/share/vm/runtime/os.cpp @ 6982:e4f764ddb06a

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7122219: Passed StringTableSize value not verified Summary: Check that the values specified for -XX:StringTableSize are within a certain range. Reviewed-by: dholmes, coleenp
author hseigel
date Mon, 12 Nov 2012 15:58:11 -0500
parents 716c64bda5ba
children 80e866b1d053
line wrap: on
line diff
--- a/src/share/vm/runtime/os.cpp	Fri Nov 09 22:22:53 2012 -0800
+++ b/src/share/vm/runtime/os.cpp	Mon Nov 12 15:58:11 2012 -0500
@@ -576,7 +576,9 @@
     // if NULL is returned the calling functions assume out of memory.
     size = 1;
   }
-
+  if (size > size + space_before + space_after) { // Check for rollover.
+    return NULL;
+  }
   NOT_PRODUCT(if (MallocVerifyInterval > 0) check_heap());
   u_char* ptr = (u_char*)::malloc(size + space_before + space_after);