From: Alexander Aring <aahringo@xxxxxxxxxx> [ Upstream commit 6fb8045319ef172dc88a8142e7f8b58c7608137e ] This patch forbids to del llsec devkey 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@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210405003054.256017-12-aahringo@xxxxxxxxxx Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 023c1e75daf9..87dac717d197 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1954,6 +1954,9 @@ static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info struct ieee802154_llsec_device_key key; __le64 extended_addr; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] || nla_parse_nested_deprecated(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], nl802154_devkey_policy, info->extack)) return -EINVAL; -- 2.30.2