From: Alexander Aring <[email protected]> commit 9dde130937e95b72adfae64ab21d6e7e707e2dac upstream.
This patch forbids to del llsec seclevel for monitor interfaces which we don't support yet. Otherwise we will access llsec mib which isn't initialized for monitors. Reported-by: [email protected] Signed-off-by: Alexander Aring <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Stefan Schmidt <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -2122,6 +2122,9 @@ static int nl802154_del_llsec_seclevel(s struct wpan_dev *wpan_dev = dev->ieee802154_ptr; struct ieee802154_llsec_seclevel sl; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (!info->attrs[NL802154_ATTR_SEC_LEVEL] || llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], &sl) < 0)
