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uts: Allow for address space randomisation.
Randomise the base addresses of shared objects, non-fixed mappings, the
stack and the heap.  Introduce a service, svc:/system/process-security,
and a tool psecflags(1) to control and observe it

*** 1085,1094 **** --- 1085,1099 ---- cp->p_usrstack = pp->p_usrstack; cp->p_model = pp->p_model; cp->p_ppid = pp->p_pid; cp->p_ancpid = pp->p_pid; cp->p_portcnt = pp->p_portcnt; + /* + * Security flags are preserved on fork, the inherited copy come into + * effect on exec + */ + bcopy(&pp->p_secflags, &cp->p_secflags, sizeof (psecflags_t)); /* * Initialize watchpoint structures */ avl_create(&cp->p_warea, wa_compare, sizeof (struct watched_area),