summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAlexander Aring <aahringo@redhat.com>2021-04-04 20:30:41 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-16 11:59:11 +0200
commitc86de71fddc294cea39ec9dc7d1dc02ebb0b10e9 (patch)
treef6cd9e6098440f79f9b28d6ceef963ae75b0102a
parentcfe89ed8d39120c90457125106b49a18293ae347 (diff)
downloadlinux-stable-c86de71fddc294cea39ec9dc7d1dc02ebb0b10e9.tar.gz
linux-stable-c86de71fddc294cea39ec9dc7d1dc02ebb0b10e9.tar.bz2
linux-stable-c86de71fddc294cea39ec9dc7d1dc02ebb0b10e9.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 4ce2b89df4c8..c1412cd87fe7 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1417,6 +1417,9 @@ 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;