Fix the bug in the heuristic for `main_arena` and `mp_` (#1273)
Fix the bug in the heuristic for `main_arena` and `mp_` (#1273)

* Fix the bug when searching the struct of `main_arena` and `mp_` in the memory.
pwndbg/pwndbg,pwndbg/pwndbg,pwndbg/pwndbg,pwndbg/pwndbg