On 11/20/2014 05:19 AM, Nishant Agrawal wrote:
Hi Folks,

I am trying to run fork bomb test inside a container to measure the extent of isolation containers provide. I am observing that even after putting all the available limits my host system becomes unresponsive after some time. Can someone throw light what should be the issue? Doesn't LXC handles situations like forkbomb?

I am running linux kernel 3.13.0.36generic.
I am setting below limits on the program,

 memory.limit_in_bytes 2G
 memory.soft_limit_in_bytes 1G
 memory.memsw.limit_in_bytes 3G
 memory.kmem.limit_in_bytes - 1G

Any help is appreciated.

IMO the problem is that the number of processes are not and cannot be limited.
There was a kernel patch but as far as I can it was not accepted on LKML.

However, you may try to run an unprivileged container and control the resource usage via ulimit.


cheers,
tamas
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