On Thu, Nov 19, 2015 at 07:47:52PM +0100, Oleg Nesterov wrote: > task_stopped_code()->task_is_stopped_or_traced() doesn't look right, > the traced task must never be TASK_STOPPED. > > We can not add WARN_ON(task_is_stopped(p)), but this is only because > do_wait() can race with PTRACE_ATTACH from another thread. > > Signed-off-by: Oleg Nesterov <o...@redhat.com>
I think it's a left over from before. We used to leave STOPPED tasks alone during ptrace attach. Acked-by: Tejun Heo <t...@kernel.org> Thanks. -- tejun -- 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/