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    Subject[PATCH 4.4 32/38] net: ieee802154: forbid monitor for set llsec params
    Date
    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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