]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
net: ieee802154: stop dump llsec params for monitors
authorAlexander Aring <aahringo@redhat.com>
Mon, 5 Apr 2021 00:30:54 +0000 (20:30 -0400)
committerStefan Schmidt <stefan@datenfreihafen.org>
Tue, 6 Apr 2021 20:34:38 +0000 (22:34 +0200)
This patch stops dumping llsec params for monitors which we don't support
yet. Otherwise we will access llsec mib which isn't initialized for
monitors.

Reported-by: syzbot+cde43a581a8e5f317bc2@syzkaller.appspotmail.com
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210405003054.256017-16-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
net/ieee802154/nl802154.c

index effc4c1a4780729d8fd45cc342af19e7a3025132..05f6bd89a7dd8e526369db8247a8fd9661cf41f2 100644 (file)
@@ -820,8 +820,13 @@ nl802154_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags,
                goto nla_put_failure;
 
 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
+       if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+               goto out;
+
        if (nl802154_get_llsec_params(msg, rdev, wpan_dev) < 0)
                goto nla_put_failure;
+
+out:
 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
 
        genlmsg_end(msg, hdr);