Process *p = containerof(node, Process, monitor.link);
size_t free = monitor_checkStack(p->stack_base, p->stack_size);
- if (free < 0x20)
+ if (p->stack_base && free < 0x20)
kprintf("MONITOR: Free stack of process '%s' is only %u chars\n",
p->monitor.name, (unsigned int)free);
}