netdev - Re: linux kernel – 4.4.45 : VPN test failure

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Message-ID: <20171025130830.GA4869@kroah.com>
Date:   Wed, 25 Oct 2017 15:08:30 +0200
From:   "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
To:     "Nanjappa, Gangadhar" <Gangadhar.Nanjappa@...man.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuznet@....inr.ac.ru" <kuznet@....inr.ac.ru>,
        "jmorris@...ei.org" <jmorris@...ei.org>,
        "yoshfuji@...ux-ipv6.org" <yoshfuji@...ux-ipv6.org>,
        "kaber@...sh.net" <kaber@...sh.net>,
        "amit.pundir@...aro.org" <amit.pundir@...aro.org>,
        "lorenzo@...gle.com" <lorenzo@...gle.com>,
        "andy@...yhouse.net" <andy@...yhouse.net>,
        "steffen.klassert@...unet.com" <steffen.klassert@...unet.com>,
        "herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>,
        "pablo@...filter.org" <pablo@...filter.org>,
        "kadlec@...ckhole.kfki.hu" <kadlec@...ckhole.kfki.hu>,
        "g.nault@...halink.fr" <g.nault@...halink.fr>,
        "jiri@...lanox.com" <jiri@...lanox.com>
Subject: Re: linux kernel – 4.4.45 : VPN test
 failure

On Wed, Oct 25, 2017 at 12:49:09PM +0000, Nanjappa, Gangadhar wrote:
> Hi All,
> Using linux kernel – 4.4.45 (Blurry Fish Butt), VPN test fails. If I
> revert the attached five patches, VPN test passes. But I’m not
> supposed to revert the patches to get the test passed. I’m analyzing
> the patches, please help me to resolve this issue. If the below
> patches are present, in the VpnTest.java file that I’ve attached, the
> failure path is testAppDisallowed()--> checkNoTrafficOnVpn() -->
> checkUdpEcho("192.0.2.251", null) --> fail("Received unexpected
> reply");

4.4.45 is _very_ old, can you duplicate this on 4.4.94?  Do you also
have this problem on 4.14-rc6?

thanks,

greg k-h