Fall back to heap allocation in courgette alloc.

BUG=704783 Review-Url: https://codereview.chromium.org/2775893002 Cr-Commit-Position: refs/heads/master@{#459554}
hylschwy · Mar 24, 2017 · e5d0b0e · e5d0b0e
1 parent f2296e4
commit e5d0b0e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/courgette/memory_allocator.h b/courgette/memory_allocator.h
@@ -236,6 +236,10 @@ class MemoryAllocator {
         }
       }
     }
+    // If the above fails (e.g. because we are in a sandbox), just try the heap.
+    if (!mem && base::UncheckedMalloc(bytes, reinterpret_cast<void**>(&mem))) {
+      mem[0] = static_cast<uint8_t>(HEAP_ALLOCATION);
+    }
     return mem ? reinterpret_cast<pointer>(mem + sizeof(T)) : NULL;
   }