RE: [PATCH 4.4 00/48] 4.4.226-rc1 review

From: Chris Paterson
Date: Tue Jun 02 2020 - 05:07:24 EST


Hello Sasha,

> From: stable-owner@xxxxxxxxxxxxxxx <stable-owner@xxxxxxxxxxxxxxx> On
> Behalf Of Sasha Levin
> Sent: 02 June 2020 03:07
>
> On Mon, Jun 01, 2020 at 10:14:20PM +0000, Chris Paterson wrote:
> >Hi Greg,
> >
> >> From: stable-owner@xxxxxxxxxxxxxxx <stable-owner@xxxxxxxxxxxxxxx> On
> >> Behalf Of Greg Kroah-Hartman
> >> Sent: 01 June 2020 18:53
> >>
> >> This is the start of the stable review cycle for the 4.4.226 release.
> >> There are 48 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.
> >
> >I'm seeing some issues with Linux 4.4.226-rc1 (dc230329b026).
> >
> >We have 4 configurations that fail, 2x Armv7 and 2x x86, whilst building the
> modules.
> >
> >Error message:
> > ERROR: "pptp_msg_name" [net/netfilter/nf_conntrack_pptp.ko] undefined!
> > ERROR: "pptp_msg_name" [net/ipv4/netfilter/nf_nat_pptp.ko] undefined!
> >
> >Relevant patches are:
> > 69969e0f7e37 ("netfilter: nf_conntrack_pptp: prevent buffer overflows in
> debug code")
> > 3441cc75e4d1 ("netfilter: nf_conntrack_pptp: fix compilation warning with
> W=1 build")
> >
> >I haven't had a chance to dig deeper yet but will do in the morning.
> >
> >Build/test pipeline/logs: https://gitlab.com/cip-project/cip-testing/linux-stable-
> rc-ci/pipelines/151700917
> >GitLab CI pipeline: https://gitlab.com/cip-project/cip-testing/linux-cip-
> pipelines/-/blob/master/trees/linux-4.4.y.yml
> >Relevant LAVA jobs:
> https://lava.ciplatform.org/scheduler/alljobs?length=25&search=dc2303#table
>
> Thats and interesting one... I've queued fe22cd9b7c98 ("printk: help
> pr_debug and pr_devel to optimize out arguments") for 4.4 to address
> this.

This patch resolves the issue for me.

Test pipeline: https://gitlab.com/cip-project/cip-kernel/linux-cip/pipelines/151885545

Thanks, Chris

>
> Thanks for the report Chris!
>
> --
> Thanks,
> Sasha