Bug#996324: ruby-netcdf: FTBFS with ruby3.0: ERROR: Test "ruby3.0" failed: Segmentation fault at 0x0000000000000034

[Antonio Terceiro]

Source: ruby-netcdf
Version: 0.7.2-5
Severity: serious
Justification: FTBFS
Tags: bookworm sid ftbfs
User: debian-ruby at lists.debian.org
Usertags: ruby3.0

Hi,

We are about to enable building against ruby3.0 on unstable. During a test
rebuild, ruby-netcdf was found to fail to build in that situation.

To reproduce this locally, you need to install ruby-all-dev from experimental
on an unstable system or build chroot.

Relevant part (hopefully):
> /usr/bin/ruby3.0 /usr/bin/gem2deb-test-runner
> 
> ┌──────────────────────────────────────────────────────────────────────────────┐
> │ Run tests for ruby3.0 from debian/ruby-test-files.yaml                       │
> └──────────────────────────────────────────────────────────────────────────────┘
> 
> RUBYLIB=/<<PKGBUILDDIR>>/debian/ruby-netcdf/usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/3.0.0:/<<PKGBUILDDIR>>/debian/ruby-netcdf/usr/lib/ruby/vendor_ruby:. GEM_PATH=/<<PKGBUILDDIR>>/debian/ruby-netcdf/usr/share/rubygems-integration/3.0.0:/var/lib/gems/3.0.0:/usr/local/lib/ruby/gems/3.0.0:/usr/lib/ruby/gems/3.0.0:/usr/lib/x86_64-linux-gnu/ruby/gems/3.0.0:/usr/share/rubygems-integration/3.0.0:/usr/share/rubygems-integration/all:/usr/lib/x86_64-linux-gnu/rubygems-integration/3.0.0 ruby3.0 -ryaml -e YAML.load_file\(\"debian/ruby-test-files.yaml\"\).each\ \{\ \|f\|\ require\ f\ \}
> Loaded suite -e
> Started
> ....................
> Finished in 0.028058613 seconds.
> -------------------------------------------------------------------------------
> 20 tests, 127 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
> 100% passed
> -------------------------------------------------------------------------------
> 712.79 tests/s, 4526.24 assertions/s-e: [BUG] Segmentation fault at 0x0000000000000034
> ruby 3.0.2p107 (2021-07-07 revision 0db68f0233) [x86_64-linux-gnu]
> 
> -- Control frame information -----------------------------------------------
> c:0001 p:0000 s:0003 E:001f10 (none) [FINISH]
> 
> 
> -- Machine register context ------------------------------------------------
>  RIP: 0x0000000000000034 RBP: 0x00005644105564a0 RSP: 0x00007ffc66891258
>  RAX: 0x0000000000000034 RBX: 0x0000564410569488 RCX: 0x0000000000000001
>  RDX: 0x0000564410569b18 RDI: 0x0000000000000034 RSI: 0x00007ffc66891278
>   R8: 0x0000564410569780  R9: 0x0000000000000001 R10: 0x00007ffc668911e0
>  R11: 0x0000000000000246 R12: 0x0000564410568000 R13: 0x0000564410564a30
>  R14: 0x0000564410569488 R15: 0x000056440ff00760 EFL: 0x0000000000010202
> 
> -- C level backtrace information -------------------------------------------
> ERROR: Test "ruby3.0" failed.


The full build log is available at
https://people.debian.org/~kanashiro/ruby3.0/round2/builds/3/ruby-netcdf/ruby-netcdf_0.7.2-5+rebuild1633388714_amd64.build.txt
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