Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 32/38] net: ieee802154: forbid monitor for set llsec params | Date | Thu, 15 Apr 2021 16:47:26 +0200 |
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From: Alexander Aring <aahringo@redhat.com>
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> --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1367,6 +1367,9 @@ 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;
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