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-rw-r--r--kernel/nscommon.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/nscommon.c b/kernel/nscommon.c
index bdc3c86231d3..3166c1fd844a 100644
--- a/kernel/nscommon.c
+++ b/kernel/nscommon.c
@@ -309,3 +309,9 @@ void __ns_ref_active_get(struct ns_common *ns)
return;
}
}
+
+bool may_see_all_namespaces(void)
+{
+ return (task_active_pid_ns(current) == &init_pid_ns) &&
+ ns_capable_noaudit(init_pid_ns.user_ns, CAP_SYS_ADMIN);
+}