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| author | Philipp Reisner <philipp.reisner@linbit.com> | 2009-10-13 11:28:15 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-10-22 15:11:55 -0700 |
| commit | e1a7338bc0da30633357c84be4df222a1bdbfd99 (patch) | |
| tree | 0e1fb33efcd4848af8096ddf9e31c4023990827d | |
| parent | dfd930656cbaff1f6082942a3faac63e62a6bb92 (diff) | |
dm/connector: Only process connector packages from privileged processes
(cherry picked from commit 93136335f9ad7a98b92eacda1b43dccbf063cd07)
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/md/dm-log-userspace-transfer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c index 1327e1a684df..54abf9e303b7 100644 --- a/drivers/md/dm-log-userspace-transfer.c +++ b/drivers/md/dm-log-userspace-transfer.c @@ -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); |