Re: oom && coredump

[Michal Hocko]

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
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