Messages in this thread Patch in this message | | | Date | Fri, 16 Oct 2009 10:10:24 -0700 | From | Greg KH <> | Subject | [31/46] dm/connector: Only process connector packages from privileged processes |
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2.6.31-stable review patch. If anyone has any objections, please let us know.
------------------ From: Philipp Reisner <philipp.reisner@linbit.com>
(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>
--- drivers/md/dm-log-userspace-transfer.c | 3 +++ 1 file changed, 3 insertions(+)
--- 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_m { 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);
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