Commit f10f3610 authored Apr 04, 2021 by Alexander Aring Committed by Greg Kroah-Hartman Apr 28, 2021

net: ieee802154: forbid monitor for add llsec seclevel



[ Upstream commit 9ec87e322428d4734ac647d1a8e507434086993d ]

This patch forbids to add llsec seclevel for monitor interfaces which we
don't support yet. Otherwise we will access llsec mib which isn't
initialized for monitors.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-14-aahringo@redhat.com


Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent cbd7b37b

net/ieee802154/nl802154.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2138,6 +2138,9 @@ static int nl802154_add_llsec_seclevel(struct sk_buff *skb,
		struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
		struct ieee802154_llsec_seclevel sl;

		if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
		return -EOPNOTSUPP;

		if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL],
		&sl) < 0)
		return -EINVAL;