[PATCH v2] riscv: stacktrace: fix stack-out-of-bounds in walk_stackframe()

[Nam Cao]

"Matthew Bystrin" <dev.mbstr at gmail.com> writes:
>> +	high = (unsigned long)task_pt_regs(task);
>
> After noticing end_of_stack() function I'm not sure task_pt_regs() is the best
> candidate for the boundary. Let's see what maintainers are going to say.

end_of_stack() is the lower bound of the stack, that's not what we want.

Nam