summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAlexander Aring <aahringo@redhat.com>2021-04-04 20:30:41 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-14 08:22:37 +0200
commit12f120cecfea577581da94193e7dfca44bc67c88 (patch)
tree72f9858d6e7e18422ab029a6dc1f24bc040c8308
parent22e025c1733b330ecdc49f23365f914f6d39ac12 (diff)
downloadlinux-stable-12f120cecfea577581da94193e7dfca44bc67c88.tar.gz
linux-stable-12f120cecfea577581da94193e7dfca44bc67c88.tar.bz2
linux-stable-12f120cecfea577581da94193e7dfca44bc67c88.zip
net: ieee802154: forbid monitor for set llsec params
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>
-rw-r--r--net/ieee802154/nl802154.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index c92129f012d5..bd7b30f77ff5 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1402,6 +1402,9 @@ static int nl802154_set_llsec_params(struct sk_buff *skb,
u32 changed = 0;
int ret;
+ if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR)
+ return -EOPNOTSUPP;
+
if (info->attrs[NL802154_ATTR_SEC_ENABLED]) {
u8 enabled;