===== brand_guard mode 0 (48 x 'A', strcpy path) =====
EXIT=139
Segmentation fault (core dumped)
===== brand_guard mode 1 (48 x ' ', space-skip loop path) =====
Segmentation fault (core dumped)
EXIT=139
===== brand_guard mode 2 (control: 47 x 'A' + NUL) =====
mode 2: survived; cpu_model='AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' (len 47)
EXIT=0