Commit 6300acb2 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

rtnetlink: stats: reject requests for unknown stats 



In the spirit of strict checks reject requests of stats the kernel
does not support when NETLINK_F_STRICT_CHK is set.

Signed-off-by: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 51bc860d

net/core/rtnetlink.c

+4 −0
Original line number Diff line number Diff line
@@ -4928,6 +4928,10 @@ static int rtnl_valid_stats_req(const struct nlmsghdr *nlh, bool strict_check, 
		NL_SET_ERR_MSG(extack, "Invalid attributes after stats header");

		return -EINVAL;

	}

	if (ifsm->filter_mask >= IFLA_STATS_FILTER_BIT(IFLA_STATS_MAX + 1)) {

		NL_SET_ERR_MSG(extack, "Invalid stats requested through filter mask");

		return -EINVAL;

	}



	return 0;

}