RFR: 8229957: Harden pid verification in attach mechanism

[Leonid Mesnik]

Yasumasa, Severin

Thank you, I updated condition. Agree that pid might be equal 1 for java 
in containers on linux and also might be for some specific configuration 
with other OS. Se let just check that it is at least positive.

http://cr.openjdk.java.net/~lmesnik/8229957/webrev.01/

Leonid

On 8/21/19 7:45 AM, Severin Gehwolf wrote:
> On Wed, 2019-08-21 at 23:22 +0900, Yasumasa Suenaga wrote:
>> Hi Leonid,
>>
>> In case of Linux on Docker container, java might be run with PID=1.
>> So I think `pid <= 1` is incorrect.
> That's a very good point, Yasumasa. Nice catch.
>
> I believe changing the condition to < 1 would work.
>
> Thanks,
> Severin
>