[Bug 1859610] Re: python-gi/arm64 segfaults with the focal-proposed libffi version

[Dimitri John Ledkov]

Cannot reproduce:

$ uname -a
Linux Mcdivitt-B0-Cartridge37 5.4.0-9-generic #12-Ubuntu SMP Mon Dec 16 22:33:31 UTC 2019 aarch64 aarch64 aarch64 GNU/Linux


$ dpkg -l | grep -e libffi -e python3-gi
ii  libffi6:arm64                        3.2.1-9                           arm64        Foreign Function Interface library runtime
ii  libffi7:arm64                        3.3-2.3build1                     arm64        Foreign Function Interface library runtime
ii  python3-gi                           3.34.0-3build2                    arm64        Python 3 bindings for gobject-introspection libraries
ii  python3-gi-cairo                     3.34.0-3build2                    arm64        Python 3 Cairo bindings for the GObject library
ii  python3-github                       1.43.7-1                          all          Access the full Github API v3 from Python3
ii  python3-gitlab                       1:1.15.0-1                        all          Python 3 GitLab API client library

$ python3 -c "import goocalendar ; print(goocalendar.__version__)"
Unable to init server: Could not connect: Connection refused
Unable to init server: Could not connect: Connection refused
0.5

python3-gi depends on libffi7

** Changed in: libffi (Ubuntu Focal)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1859610

Title:
  python-gi/arm64 segfaults with the focal-proposed libffi version

Status in libffi package in Ubuntu:
  Incomplete
Status in libffi source package in Focal:
  Incomplete

Bug description:
  Testcase, on focal/arm64

  $ sudo apt install python3-goocalendar
  $ python3 -c "import goocalendar ; print(goocalendar.__version__)"

  -> works fine

  install the python3-gi package from focal-proposed it segfaults in
  libffi

  Program received signal SIGSEGV, Segmentation fault.
  0x0000000000000000 in ?? ()
  (gdb) bt
  #0  0x0000000000000000 in ?? ()
  #1  0x0000fffff7390ff8 in ffi_call_SYSV () at ../src/aarch64/sysv.S:114
  #2  0x0000fffff7390634 in ffi_call_int (cif=0xa12d78, fn=<optimized out>, 
      orig_rvalue=<optimized out>, avalue=0x0, closure=<optimized out>)

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