The Vulkan backend enabled core validation but synchronization and hazard tracking validation may need extra care to setup correctly. The Impeller Vulkan configuration must make it easy to enable and use these forms of validation.

Some references:
https://www.lunarg.com/wp-content/uploads/2021/01/Final_Guide-to-Vulkan-Synchronization-Validation_Jan_21.pdf