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authorAlexander Aring <aahringo@redhat.com>2021-04-05 03:30:54 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-14 09:42:14 +0300
commita22115c3492f209c4a5a8d04a0da8c4f29f25a0e (patch)
tree33775493ceec4d1409b7c31b82f46dfe955ce608
parentf872fb3feadd2212b4272b840decbf6c55df1c6a (diff)
downloadlinux-a22115c3492f209c4a5a8d04a0da8c4f29f25a0e.tar.xz
net: ieee802154: stop dump llsec params for monitors
commit 1534efc7bbc1121e92c86c2dabebaf2c9dcece19 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--net/ieee802154/nl802154.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index a5d1e8248feb..d1b6a9665b17 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -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);