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authorAlexander Aring <aahringo@redhat.com>2021-04-05 03:30:41 +0300
committerStefan Schmidt <stefan@datenfreihafen.org>2021-04-06 22:57:29 +0300
commit88c17855ac4291fb462e13a86b7516773b6c932e (patch)
tree698ac59650cb214da194812714b257717a92c18d /net/ieee802154/nl802154.c
parent6f7f657f24405f426212c09260bf7fe8a52cef33 (diff)
downloadlinux-88c17855ac4291fb462e13a86b7516773b6c932e.tar.xz
net: ieee802154: forbid monitor for set llsec params
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>
Diffstat (limited to 'net/ieee802154/nl802154.c')
-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 1600edb98107..ce8956f31ef9 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1384,6 +1384,9 @@ 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;