On Tue, 2022-09-20 at 23:05 +0200, Peter Bergin wrote:
> Hi,
>
> I'm working on a recipe for libtraceevent
> (https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git) that is
> needed for newer trace-cmd. I'm confused about an error I get during
> do_package that I want some help with.
>
> File: '<snip>/sources/poky/meta/lib/oe/sstatesig.py', lineno: 587,
> function: process
> 0583: else:
> 0584: add_perm(stat.S_IXOTH, 'x')
> 0585:
> 0586: try:
> *** 0587: update_hash(" %10s" %
> pwd.getpwuid(s.st_uid).pw_name)
> 0588: update_hash(" %10s" %
> grp.getgrgid(s.st_gid).gr_name)
> 0589: except KeyError as e:
> 0590: bb.warn("KeyError in %s" % path)
> 0591: msg = ("KeyError: %s\nPath %s is
> owned by uid %d, gid %d, which doesn't match "
> Exception: Exception: KeyError: 'getpwuid(): uid not found: 1000'
> Path ./package/usr/lib/libtraceevent.a is owned by uid 1000, gid 1004,
> which doesn't match any user/group on target. This may be due to host
> contamination.
>
> ERROR: Logfile of failure stored in:
> <snip>/build/<machine>/tmp/work/cortexa53-crypto-poky-linux/libtraceevent/1.6.2-r0/temp/log.do_package.3574262
> ERROR: Task
> (<snip>/sources/meta-openembedded/meta-oe/recipes-kernel/trace-cmd/libtraceevent_1.6.2.bb:do_package)
>
> failed with exit code '1'
>
> What happens is that during do_package the directory ${WORKDIR}/package
> is moved to ${WORKDIR}/sstate-build-package and the sstate is
> calculated. In that sequence in sstatesig.py the owner of the files are
> checked and used in the hash calculations. By adding debug prints I have
> seen that in normal case the s.st_uid in the code above evaluates to 0
> for the files and directories. When looking in the file system my user
> (1000/1004) owns them but I guess PSEUDO is involved here to fake root?
> For some reason when checking the libraries build by libtraceevent in
> ./usr/lib/ the files reports to be owned by uid 1000 and the exection
> above is raised. It is valid for ./usr/lib/libtraceevent.a and also
> other files in the ./usr/lib directory. Before the files in ./usr/lib is
> checked files from /usr/include has been checked for libtraceevent and
> they have s.st_uid=0.
>
> I've spent some time trying to understand this. Give up now and try this
> forum if I can get some ideas. I share the recipe below.
Have you tried putting a:
chown root.root ${D}<files>
into do_install and checking if you force the ownership, whether that
helps?
Cheers,
Richard
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