[tbb-dev] build failure with runc-1.0.0

Nicolas Vigier boklm at mars-attacks.org
Tue Sep 19 18:53:56 UTC 2017


Hi!

On Tue, 19 Sep 2017, Matthew Finkel wrote:

> Hi All,
> 
> I've tried building TB via tor-browser-build using runc-1.0.0-rc2 and
> it is currently failing. Has anyone recently had success with this? I
> created new debootstrap chroots of Xenial, Sid, Stretch, and Jessie - they
> all failed for one reason or another. In general I'm getting the following
> error, and this is caused by incorrectly parsing the Capabilities object in
> the runc-config.json file (expecting an array of capabilities, but the file
> containing the Capabilities object with array members is malformed). I
> understand the reasoning behind the error, from bug 23039, but I'm not
> sure why runc is expecting the old format.
> 
> $ make release
> git submodule update --init
> ./rbm/rbm build release --target release --target torbrowser-all
> Building project tor-browser - tor-browser-7.5a4-linux-x86_64-7de4de
> Building project container-image - container-image_wheezy-amd64-df3a332e7b34.tar.gz
> Building project debootstrap-image - container-image_wheezy-amd64.tar.gz
> Using file /home/sysrqb/tor-browser-build/out/debootstrap-image/container-image_ubuntu-base-17.04-base-amd64.tar.gz
> Error: Error starting remote:
> 
> json: cannot unmarshal object into Go struct field Process.capabilities of type []string
> 
> Makefile:6: recipe for target 'release' failed
> make: *** [release] Error 1
> 
> 
> $ sudo runc --version
> runc version spec: 1.0.0-rc2-dev
> 
> $ apt-cache show runc
> Package: runc
> Version: 1.0.0~rc2+git20170201.133.9df8b30-3

Ah, I only tried it with runc 0.1.1 (from Debian jessie backports, and
from stretch), and runc 1.0.1 from Fedora 25. It seems version 1.0.0~rc2
is half between those two versions.

I opened #23585 for that issue:
https://trac.torproject.org/projects/tor/ticket/23585

And I made a patch that might fix the issue:
https://gitweb.torproject.org/user/boklm/tor-browser-build.git/commit/?h=bug_23585&id=a48690ea2873d699351929b25c9fd667f31e0890

When you are on that commit, could you check the output from the following 2 commands?

   $ ./rbm/rbm showconf tor var_p/runc100
   $ ./rbm/rbm showconf tor var_p/runc_spec100

The first one (var_p/runc100) should print '1', and the second one
(var_p/runc_spec100) should print an empty line.

You can then try doing a build to see if this fix the issue.

> I suspect this is some incompatibility in my system and it's partially caused
> by running this in a chroot, but I'm not exactly certain. I successfully
> built a torbrowser release using a fresh vm running Debian Stretch and
> checking out commit HEAD~ in tor-browser-build, master's HEAD failed. It
> seems the template for choosing between `runc start` and `runc run` chose
> the wrong subcommand:
> 
> $ make release
> git submodule update --init
> ./rbm/rbm build release --target release --target torbrowser-all
> Building project tor-browser - tor-browser-7.5a4-linux-x86_64-7de4de
> Building project container-image - container-image_wheezy-amd64-df3a332e7b34.tar.gz
> Building project debootstrap-image - container-image_wheezy-amd64.tar.gz
> Using file /home/sysrqb/tor-browser-build/out/debootstrap-image/container-image_ubuntu-base-17.04-base-amd64.tar.gz
> Error: Error starting remote:
> 
> No help topic for 'run'
> 
> Makefile:6: recipe for target 'release' failed
> make: *** [release] Error 1
> 
> $ sudo runc --version
> runc version 0.1.1
> spec: 1.0.0-rc1
> 
> $ apt-cache show runc
> Package: runc
> Source: runc (0.1.1+dfsg1-2)
> Version: 0.1.1+dfsg1-2+b2
> [...]

This issue (with version 0.1.1 in Debian stretch) should be fixed by
commit 1f054c59ddc349cf5719447bc51eaccde554312a (current HEAD since today,
but maybe not yet at the time you were building). Do you still have an
error if you build with this commit in Debian Stretch?

Nicolas

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