libstand: NULL pointer dereference in rarp

[tsoome]

Summary

readether argument is missing & operator.
CID 1374944

[cem]

I'd suggest changing this interface from void ** to more typed pointers to catch this, although I'd expect GCC/Clang to catch passing a void * to void ** parameter. Maybe check WARNS level?

[tsoome]

In D10663#221137, @cem wrote:

I'd suggest changing this interface from void ** to more typed pointers to catch this, although I'd expect GCC/Clang to catch passing a void * to void ** parameter. Maybe check WARNS level?

I think eventually we need there a bit more generic buffer structure to allow custom alignment, but that idea needs more time to settle.