From 08470c5453339369bd3d590c4cbb0b5961cdcbb6 Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Sun, 4 Apr 2021 20:30:43 -0400 Subject: [PATCH] net: ieee802154: forbid monitor for add llsec key This patch forbids to add 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/20210405003054.256017-5-aahringo@redhat.com Signed-off-by: Stefan Schmidt --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 7815f25..42a246b 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1552,6 +1552,9 @@ static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info) struct ieee802154_llsec_key_id id = { }; u32 commands[NL802154_CMD_FRAME_NR_IDS / 32] = { }; + 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; -- 2.7.4