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Commit 24836479 authored by Philipp Reisner's avatar Philipp Reisner Committed by David S. Miller
Browse files

dm/connector: Only process connector packages from privileged processes 



Signed-off-by: default avatarPhilipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f1489cfb

drivers/md/dm-log-userspace-transfer.c

+3 −0
Original line number Diff line number Diff line
@@ -133,6 +133,9 @@ static void cn_ulog_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp) 
{

	struct dm_ulog_request *tfr = (struct dm_ulog_request *)(msg + 1);



	if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN))

		return;



	spin_lock(&receiving_list_lock);

	if (msg->len == 0)

		fill_pkg(msg, NULL);