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: v4.4.268~21 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40f542931d7576a637787845cac64514254f9136;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 19d0d22ff625b..4ee080f3a41d1 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1901,6 +1901,9 @@ 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],