On 08/11, Eric W. Biederman wrote: > > The code that places signals in signal queues computes the uids, gids, > and pids at the time the signals are enqueued. Which means that tasks > that share signal queues must be in the same pid and user namespaces. > > Sharing signal handlers is fine, but bizarre. > > So make the code in fork and userns_install clearer by only testing > for what is functionally necessary. > > Also update the comment in unshare about unsharing a user namespace to > be a little more explicit and make a little more sense. > > Signed-off-by: "Eric W. Biederman" <ebied...@xmission.com>
Acked-by: Oleg Nesterov <o...@redhat.com> But: Eric, Andrew, this means that user_ns-use-correct-check-for-single-threadedness.patch in -mm tree should be dropped. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/