This is a note to let you know that I've just added the patch titled net: ieee802154: forbid monitor for set llsec params to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-ieee802154-forbid-monitor-for-set-llsec-params.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 88c17855ac4291fb462e13a86b7516773b6c932e Mon Sep 17 00:00:00 2001 From: Alexander Aring <aahringo@xxxxxxxxxx> Date: Sun, 4 Apr 2021 20:30:41 -0400 Subject: net: ieee802154: forbid monitor for set llsec params From: Alexander Aring <aahringo@xxxxxxxxxx> commit 88c17855ac4291fb462e13a86b7516773b6c932e upstream. This patch forbids to set llsec params for monitor interfaces which we don't support yet. Reported-by: syzbot+8b6719da8a04beeafcc3@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Alexander Aring <aahringo@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210405003054.256017-3-aahringo@xxxxxxxxxx Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1367,6 +1367,9 @@ static int nl802154_set_llsec_params(str u32 changed = 0; int ret; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (info->attrs[NL802154_ATTR_SEC_ENABLED]) { u8 enabled; Patches currently in stable-queue which might be from aahringo@xxxxxxxxxx are queue-4.4/net-ieee802154-fix-nl802154-del-llsec-devkey.patch queue-4.4/net-ieee802154-fix-nl802154-del-llsec-key.patch queue-4.4/net-ieee802154-forbid-monitor-for-del-llsec-seclevel.patch queue-4.4/net-ieee802154-fix-nl802154-add-llsec-key.patch queue-4.4/net-ieee802154-forbid-monitor-for-set-llsec-params.patch queue-4.4/net-ieee802154-nl-mac-fix-check-on-panid.patch queue-4.4/net-mac802154-fix-general-protection-fault.patch queue-4.4/net-ieee802154-fix-nl802154-del-llsec-dev.patch queue-4.4/net-ieee802154-stop-dump-llsec-params-for-monitors.patch