What are the possible for hard fault handler? How to resolve the exception?

[Tesla DeLorean]

This topic has been gone over thousands of times, review some of the prior postings.​

Look at a disassembly of the faulting code, and CPU registers, report.​

[Tesla DeLorean]

Get some debug output to SWO or UART, and have the handler output some diagnostics rather than just get stuck in a while(1) loop telling you nothing.

Likely accessing data out-of-bounds, perhaps errant point or corrupt state.