On Thu 27-11-14 18:47:47, Oleg Nesterov wrote: > On 11/27, Michal Hocko wrote: [...] > > Why is the ptrace check wrong? > > It was added in reply to exploit I sent. But: > > - It doesn't (and can't) really work, it can only detect this particular > case and the same exploit still blocks oom-killer with the minimal > modifications. > > - Once again, this has nothing to do with ptrace. That exploit used > ptrace only to control (freeze) the coredumping process, the coredumping > can "hang" because of other reasons. > > - It is no longer needed after this patch, the coredumping process will > be killed.
OK, I guess I am seeing it now. Thanks for the clarification! [...] -- Michal Hocko SUSE Labs -- 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/
