From: Eric Dumazet <eduma...@google.com> Date: Tue, 5 Jun 2018 09:25:19 -0700
> It seems that rtnl_group_changelink() can call do_setlink > while a prior call to validate_linkmsg(dev = NULL, ...) could > not validate IFLA_ADDRESS / IFLA_BROADCAST > > Make sure do_setlink() calls validate_linkmsg() instead > of letting its callers having this responsibility. But now rtnl_newlink() will validate_linkmsg() twice....