Minor addition to VmaBlockMetadata_Linear::Validate.
diff --git a/src/vk_mem_alloc.h b/src/vk_mem_alloc.h
index 70ce4f7..6ca170c 100644
--- a/src/vk_mem_alloc.h
+++ b/src/vk_mem_alloc.h
@@ -7237,6 +7237,15 @@
         }

     }

 

+    if(m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount > suballocations1st.size())

+    {

+        return false;

+    }

+    if(m_2ndNullItemsCount > suballocations2nd.size())

+    {

+        return false;

+    }

+

     VkDeviceSize sumUsedSize = 0;

     const size_t suballoc1stCount = suballocations1st.size();

     VkDeviceSize offset = VMA_DEBUG_MARGIN;