Can confirm the crash on vkCreateInstance when the pApplicationInfo member is null.
From Vulkan 1.0 spec:
• pApplicationInfo is NULL or a pointer to an instance of VkApplicationInfo.
AMD Radeon HD 7800 Series
Driver Version: 16.15.1009 Beta 4
Windows 7 Ultimate 64-Bit
Can confirm this issue. Creating a VkApplicationInfo object and assigning it to pApplicationInfo member of the VkInstanceCreateInfo fixes it.
AMD Radeon HD 7970
Driver: Vulkan Beta - Feb 17
Windows 10 64 bit
18.104.22.168 Vulkan SDK from LunarG site
Can you try reproducing this issue with the latest public driver, please?