On 06/13, Oleg Nesterov wrote: > > Well, if SIGNAL_GROUP_EXIT is set we do not care if this process was > killed or not. It (the whole thread group) is going to exit, that is all. OOPS. I forgot again that you removed SIGNAL_GROUP_COREDUMP and thus we can't rely on SIGNAL_GROUP_EXIT in this case. I still think this was not right, but it is too late to complain. Andrew, please drop this patch. Currently zap_pid_ns_processes() kills the coredumping tasks, with this patch it doesn't. Oleg.