Handling null ptr in NtFreeVirtualMemory.

2013-05-24 17:33:57 -07:00
parent 21b0d25131
commit 748bfe509f
3 changed files with 7 additions and 1 deletions
--- a/src/xenia/kernel/modules/xboxkrnl/xboxkrnl_memory.cc
+++ b/src/xenia/kernel/modules/xboxkrnl/xboxkrnl_memory.cc
@@ -121,6 +121,11 @@ SHIM_CALL NtFreeVirtualMemory_shim(
      region_size_ptr, region_size_value,
      free_type, unknown);

+  if (!base_addr_value) {
+    SHIM_SET_RETURN(X_STATUS_MEMORY_NOT_ALLOCATED);
+    return;
+  }
+
  // Free.
  uint32_t flags = 0;
  uint32_t freed_size = xe_memory_heap_free(state->memory(), base_addr_value,