ns_capable_setid
extern bool ns_capable_setid(struct user_namespace *ns, int cap);
EXPORT_SYMBOL(ns_capable_setid);
return ns_capable_setid(user_ns, CAP_SETGID) &&
ns_capable_setid(old->user_ns, CAP_SETGID))
ns_capable_setid(old->user_ns, CAP_SETGID))
if (ns_capable_setid(old->user_ns, CAP_SETGID))
!ns_capable_setid(old->user_ns, CAP_SETUID))
!ns_capable_setid(old->user_ns, CAP_SETUID))
if (ns_capable_setid(old->user_ns, CAP_SETUID)) {
!ns_capable_setid(old->user_ns, CAP_SETUID))
!ns_capable_setid(old->user_ns, CAP_SETGID))
ns_capable_setid(old->user_ns, CAP_SETUID)) {
ns_capable_setid(old->user_ns, CAP_SETGID)) {