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net: ieee802154: forbid monitor for set llsec params

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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 <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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Aring 2021-04-04 20:30:41 -04:00 committed by Greg Kroah-Hartman
parent 22e025c173
commit 12f120cecf
1 changed files with 3 additions and 0 deletions
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3
net/ieee802154/nl802154.c
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@ -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;