From: Alexander Aring <aahri...@redhat.com> commit 88c17855ac4291fb462e13a86b7516773b6c932e upstream.
This patch forbids to set llsec params for monitor interfaces which we don't support yet. Reported-by: syzbot+8b6719da8a04beeaf...@syzkaller.appspotmail.com Signed-off-by: Alexander Aring <aahri...@redhat.com> Link: https://lore.kernel.org/r/20210405003054.256017-3-aahri...@redhat.com Signed-off-by: Stefan Schmidt <ste...@datenfreihafen.org> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1417,6 +1417,9 @@ static int nl802154_set_llsec_params(str u32 changed = 0; int ret; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (info->attrs[NL802154_ATTR_SEC_ENABLED]) { u8 enabled;
