From: Alexander Aring aahringo@redhat.com
[ Upstream commit 88c17855ac4291fb462e13a86b7516773b6c932e ]
This patch forbids to set llsec params for monitor interfaces which we don't support yet.
Reported-by: syzbot+8b6719da8a04beeafcc3@syzkaller.appspotmail.com Signed-off-by: Alexander Aring aahringo@redhat.com Link: https://lore.kernel.org/r/20210405003054.256017-3-aahringo@redhat.com Signed-off-by: Stefan Schmidt stefan@datenfreihafen.org Signed-off-by: Sasha Levin sashal@kernel.org --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 99f6c254ea77..e07624fd8b3b 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1402,6 +1402,9 @@ static int nl802154_set_llsec_params(struct sk_buff *skb, u32 changed = 0; int ret;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (info->attrs[NL802154_ATTR_SEC_ENABLED]) { u8 enabled;