[OE-core] Lots of [host-user-contaminated] warning

[Christopher Larson]

On Sun, Jan 17, 2016 at 8:10 PM, Phil Reid <preid at electromag.com.au> wrote:

> On 18/01/2016 10:55 AM, Christopher Larson wrote:
>
>
>> On Fri, Nov 20, 2015 at 4:02 AM, Max Krummenacher <max.oss.09 at gmail.com
>> <mailto:max.oss.09 at gmail.com>> wrote:
>>
>>     Am Dienstag, den 17.11.2015, 09:46 +0100 schrieb Andreas Müller:
>>     > Hi,
>>     >
>>     > this bugs me for a while and I wonder if I am again the only one
>>     > facing this: I get floods of warnings for sourcecode files as
>>     >
>>     > WARNING: QA Issue: qtserialport:
>>     > /qtserialport-dbg/usr/src/debug/qtserialport/5.5.99+5.6.0-alpha1
>>     +gitAUTOINC+2575d33fab-r0/git/src/serialport/qserialport_p.h
>>     > is owned by uid 1000, which is the same as the user running bitbake.
>>     > This may be due to host contamination [host-user-contaminated]
>>     > WARNING: QA Issue: qtx11extras:
>>     > /qtx11extras-dbg/usr/src/debug/qtx11extras/5.5.99+5.6.0-alpha1
>>     +gitAUTOINC+d64ee96f0d-r0/git/src/x11extras/qx11info_x11.cpp
>>     > is owned by uid 1000, which is the same as the user running bitbake.
>>     > This may be due to host contamination [host-user-contaminated]
>>     > WARNING: QA Issue: qtxmlpatterns:
>>     > /qtxmlpatterns-dbg/usr/src/debug/qtxmlpatterns/5.5.99+5.6.0-alpha1
>>     +gitAUTOINC+94136d4280-r0/git/src/xmlpatterns/type/qbuiltintypes.cpp
>>     > is owned by uid 1000, which is the same as the user running bitbake.
>>     > This may be due to host contamination [host-user-contaminated]
>>     >
>>     > I checked PACKAGE_DEBUG_SPLIT_STYLE is not set globally - few
>> recipes
>>     > set PACKAGE_DEBUG_SPLIT_STYLE to debug-without-src.
>>     >
>>     > Help appreciated
>>     >
>>     > Andreas
>>
>>     I see this also in my builds. The warnings clutter the build output
>> in a
>>     way that makes the warnings mostly useless. Who will spot the one
>>     important new warning in the hundreds of host-user-contaminated ones?
>>     A fresh build of core-image-minimal today gave me 54 of these
>> warnings.
>>     All but one (glibc-locale) complaining on source files.
>>
>>     I checked a few recipes and most of them were not even using a custom
>>     do_install but autotools generated 'make install' with something like
>>     'cp -p src/* dest/' or so.
>>
>>
>> Yes, this is the most common case. Usage of cp -a or cp -p means the
>> build ownership is retained, and no chown is run to fix it.
>>
>>     Even if I know how to do it I think we should not patch upstream
>> sources
>>     to suppress a warning introduced by the downstream build system with
>>     loads of false positives and then have to maintain the patches as
>>     upstream is progressing.
>>
>>
>> Either we're calling the upstream buildsystem and not running cp
>> directly, in which case it's a bug in the upstream buildsystem, since make
>> install will result
>> in non-deterministic behavior in the ownership of the installed files, or
>> it's a cp -a case, which doesn't require altering upstream with a patch at
>> all, only
>> recipe modification.
>>
>>     I haven't looked into how one does it but I'm inclined to switch of
>> the
>>     warning globally, e.g. in local.conf.
>>
>>
>> Blindly disabling them will just result in ignoring a problem. Files in
>> the target filesystem are owned by your build user, who most likely doesn't
>> even exist
>> on target.
>>
>
> For me the issues are all reported with -dbg packages.
> All are source files in /<packagename>-dbg/usr/src/debug/<packagename>/...
> Last build had 126 packages with the warning.
> Including things like:
> gcc-linaro-4.9: gcc:
> /gcc-dbg/usr/src/debug/gcc/linaro-4.9-r2015.06/gcc-linaro-4.9-2015.06/build.arm-angstrom-linux-gnueabi.arm-angstrom-linux-gnueabi/gcc/tm-preds.h
> is owned by uid 1000, which is the same as the user running bitbake. This
> may be due to host contamination [host-user-contaminated]
> systemd-226+gitAUTOINC+4211d5bd13: systemd:
> /systemd-dbg/usr/src/debug/systemd/1_226+gitAUTOINC+4211d5bd13-r0/git/src/udev/scsi_id/scsi_serial.c
> is owned by uid 1000, which is the same as the user running bitbake. This
> may be due to host contamination [host-user-contaminated]
> perl-5.22.0: perl:
> /perl-dbg/usr/src/debug/perl/5.22.0-r0/perl-5.22.0/ext/re/re_exec.c is
> owned by uid 1000, which is the same as the user running bitbake. This may
> be due to host contamination [host-user-contaminated]


Sounds like a bug in the packaging code, likely straightforward to resolve.
Open a bug in the bug tracking system.
-- 
Christopher Larson
clarson at kergoth dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Maintainer - Tslib
Senior Software Engineer, Mentor Graphics
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