From: Alexander Aring Date: Mon, 5 Apr 2021 00:30:44 +0000 (-0400) Subject: net: ieee802154: forbid monitor for del llsec key X-Git-Tag: v5.11.16~82 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=baf6c8d17116452e341b8b3794647c36ac19102f;p=thirdparty%2Fkernel%2Fstable.git net: ieee802154: forbid monitor for del llsec key [ Upstream commit b6e2949544a183f590ae6f3ef2d1aaaa2c44e38a ] This patch forbids to del llsec key 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 Link: https://lore.kernel.org/r/20210405003054.256017-6-aahringo@redhat.com Signed-off-by: Stefan Schmidt Signed-off-by: Sasha Levin --- diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 6036516ddb9e5..47c57347ab7f0 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1609,6 +1609,9 @@ static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info) struct nlattr *attrs[NL802154_KEY_ATTR_MAX + 1]; struct ieee802154_llsec_key_id id; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (!info->attrs[NL802154_ATTR_SEC_KEY] || nla_parse_nested_deprecated(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], nl802154_key_policy, info->extack)) return -EINVAL;