More alignment crap.

indra/llcommon/llmemory.cpp

@@ -1354,7 +1354,7 @@ char* LLPrivateMemoryPool::allocate(U32 size)
 	//if the asked size larger than MAX_BLOCK_SIZE, fetch from heap directly, the pool does not manage it
 	if(size >= CHUNK_SIZE)
 	{
-		return (char*)malloc(size) ;
+		return (char*)ll_aligned_malloc_16(size) ;
 	}
 
 	char* p = NULL ;

indra/llcommon/llmemory.h

@@ -100,7 +100,11 @@ inline void* ll_aligned_realloc_16(void* ptr, size_t size, size_t old_size) // r
 	void* ret = ll_aligned_malloc_16(size);
 	if (ptr)
 	{
-		memcpy(ret, ptr, old_size);
+		if (ret)
+		{
+			// Only copy the size of the smallest memory block to avoid memory corruption.
+			memcpy(ret, ptr, llmin(old_size, size));
+		}
 		ll_aligned_free_16(ptr);
 	}
 	return ret;