From 12f120cecfea577581da94193e7dfca44bc67c88 Mon Sep 17 00:00:00 2001 From: Alexander Aring Date: Sun, 4 Apr 2021 20:30:41 -0400 Subject: net: ieee802154: forbid monitor for set llsec params commit 88c17855ac4291fb462e13a86b7516773b6c932e upstream. 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 Link: https://lore.kernel.org/r/20210405003054.256017-3-aahringo@redhat.com Signed-off-by: Stefan Schmidt Signed-off-by: Greg Kroah-Hartman --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net/ieee802154') diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index c92129f012d5..bd7b30f77ff5 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; -- cgit v1.2.3