Messages in this thread Patch in this message | | | From | Philipp Reisner <> | Subject | [PATCH 5/8] dm/connector: Only process connector packages from privileged processes | Date | Fri, 2 Oct 2009 14:40:08 +0200 |
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Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> --- 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 1327e1a..54abf9e 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); -- 1.6.0.4
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