Re: oom && coredump

From: Michal Hocko
Date: Tue Dec 02 2014 - 03:59:56 EST

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
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