linux-kernel - Re: [PATCH 4.4 000/124] 4.4.146-stable review

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Message-ID: <20180805151933.efzi3mawp22p3wex@linode.therub.org>
Date:   Sun, 5 Aug 2018 15:19:33 +0000
From:   Dan Rue <dan.rue@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        open list <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Shuah Khan <shuah@...nel.org>, patches@...nelci.org,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        lkft-triage@...ts.linaro.org,
        linux- stable <stable@...r.kernel.org>
Subject: Re: [PATCH 4.4 000/124] 4.4.146-stable review

On Sun, Aug 05, 2018 at 03:49:52PM +0200, Greg Kroah-Hartman wrote:
> On Sun, Aug 05, 2018 at 05:24:21PM +0530, Naresh Kamboju wrote:
> > On 4 August 2018 at 14:29, Greg Kroah-Hartman
> > <gregkh@...uxfoundation.org> wrote:
> > > This is the start of the stable review cycle for the 4.4.146 release.
> > > There are 124 patches in this series, all will be posted as a response
> > > to this one.  If anyone has any issues with these being applied, please
> > > let me know.
> > >
> > > Responses should be made by Mon Aug  6 08:26:39 UTC 2018.
> > > Anything received after that time might be too late.
> > >
> > > The whole patch series can be found in one patch at:
> > >         https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.4.146-rc1.gz
> > > or in the git tree and branch at:
> > >         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.4.y
> > > and the diffstat can be found below.
> > >
> > > thanks,
> > >
> > > greg k-h
> > 
> > Results from Linaro’s test farm.
> > No regressions on arm64, arm and x86_64.
> 
> Really?  How did you all miss the netfilter bug that was introduced by
> this series?
> 
> Anyway, thanks for testing, but I'm worried...

I took a look through our test suites to see where we may have coverage for
this. There is a netns series of tests in LTP [1], but we've had trouble
getting them running successfully in the past and so they are being skipped. I
don't know if it would have caught this particular issue, but I'll find out,
and also see if we can get them working and running again.

We also run the net/ tests in kselftest, but there aren't that many, and of
course running kselftest the way we do is not a well supported usecase (running
all of 4.17 kselftest against 4.4 kernels, skipping tests that are broken).

So I would ask, how would net/ expect such things to be tested, and what can we
do to help?

Dan

[1] https://github.com/linux-test-project/ltp/tree/master/testcases/kernel/containers/netns