Hi Pavel, On 12/03, Pavel Machek wrote: > > > You can't. This is one of historical oddities. You need to reap the > > traced sub-thread first. And PTRACE_DETACH doesn't work. > > If kill -9 does not take out the process,
Just in case, "kill -9" can't help because the task is already killed and zombie. The problem is that /sbin/init can't reap it without __WALL unless we change the kernel. > surely that sounds like a > security problem? > > I know ptrace is old and tricky and ugly, but ....? Yes this should be fixed. I'll resend the patches next week, I am a bit busy now. And, Dmitry, I didn't forget about another problem you reported ;) I'll try to redo/resend the fixes for WARN_ON() in in task_participate_group_stop() as well. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
