utsns: Add a limit on the number of uts namespaces

Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2016-08-08 14:11:25 -05:00
parent f333c700c6
commit f7af3d1c03
4 changed files with 32 additions and 5 deletions
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -27,6 +27,7 @@ struct ucounts;
 enum ucount_type {
 	UCOUNT_USER_NAMESPACES,
 	UCOUNT_PID_NAMESPACES,
+	UCOUNT_UTS_NAMESPACES,
 	UCOUNT_COUNTS,
 };