From: Alexander Aring Date: Mon, 5 Apr 2021 00:30:49 +0000 (-0400) Subject: net: ieee802154: forbid monitor for add llsec devkey X-Git-Tag: v4.19.189~42 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1f229ce6c57d57ee2c2c59898211c1e0e0acdcad;p=thirdparty%2Fkernel%2Fstable.git net: ieee802154: forbid monitor for add llsec devkey [ Upstream commit a347b3b394868fef15b16f143719df56184be81d ] This patch forbids to add 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 Link: https://lore.kernel.org/r/20210405003054.256017-11-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 6d9fc2947dd83..eaeff7c08bdf6 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1936,6 +1936,9 @@ static int nl802154_add_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(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY],