Re: [PATCH] sysctl: Fix proc_do_large_bitmap for large input buffers

[Eric Sandeen]

On 2/21/19 9:18 AM, Luis Chamberlain wrote:
> On Wed, Feb 20, 2019 at 05:35:04PM -0600, Eric Sandeen wrote:
>> Here's a pretty hacky test script to test this code via
>> ip_local_reserved_ports
> 
> Thanks Eric!
> 
> So /proc/sys/net/ipv4/ip_local_reserved_ports is a production knob, and
> if we wanted to stress test it with a selftest it could break other self
> tests or change the system behaviour. Because of this we have now have
> lib/test_sysctl.c, and we test this with the script:
> 
> tools/testing/selftests/sysctl/sysctl.sh
> 
> Any chance you can extend lib/test_sysctl.c with a new respective bitmap
> knob,

Done

> and add a respective test? This will ensure we don't regress
> later. 0-day runs sysctl.sh so it should catch any regressions in the
> future.

As you know, learning somebody else's test harness infra is a PITA. ;)
Can you find me off-list and give me a hand with this?

Thanks,
-Eric