[Bug 1804673] Re: gnutls causes gnome-music segmentation fault

[KarlRelton]

I think to trigger the bug (using gnome-music) you need a music
collection where it needs to try and look up at least some album
artwork. If you have an empty music library gnome-music will start fine
because the gnutls code is never invoked.

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https://bugs.launchpad.net/bugs/1804673

Title:
  gnutls causes gnome-music segmentation fault

Status in gnome-music package in Ubuntu:
  Invalid
Status in gnutls28 package in Ubuntu:
  Confirmed
Status in gnome-music source package in Disco:
  Invalid
Status in gnutls28 source package in Disco:
  Confirmed

Bug description:
  gnome-music gives segmentation fault on startup in Cosmic Cuttlefish
  release.

  gbd on core file gives:
  (gdb) bt
  #0  0x0000000000000000 in ?? ()
  #1  0x00007f6446dc74d0 in gnutls_aead_cipher_encryptv ()
     from /usr/lib/x86_64-linux-gnu/libgnutls.so.30
  #2  0x00007f6446d94ed7 in ?? () from /usr/lib/x86_64-linux-gnu/libgnutls.so.30
  #3  0x00007f6446d90f3c in ?? () from /usr/lib/x86_64-linux-gnu/libgnutls.so.30
  #4  0x00007f6446d9acc1 in ?? () from /usr/lib/x86_64-linux-gnu/libgnutls.so.30
  #5  0x00007f6446d9cc28 in ?? () from /usr/lib/x86_64-linux-gnu/libgnutls.so.30
  #6  0x00007f6446ddd190 in ?? () from /usr/lib/x86_64-linux-gnu/libgnutls.so.30
  #7  0x00007f6446ddd2be in gnutls_session_key_update ()
     from /usr/lib/x86_64-linux-gnu/libgnutls.so.30
  #8  0x00007f644002e54f in ?? ()
     from /usr/lib/x86_64-linux-gnu/gio/modules/libgiognutls.so
  #9  0x00007f644002eb36 in ?? ()
     from /usr/lib/x86_64-linux-gnu/gio/modules/libgiognutls.so
  #10 0x00007f646645ac03 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
  #11 0x00007f64668ebad3 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #12 0x00007f64668eb135 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
  #13 0x00007f6467761164 in start_thread (arg=<optimized out>)
      at pthread_create.c:486
  #14 0x00007f6467894def in clone ()
      at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  
  Looks like Fedora had same issue, tracked down to an issue in gnutls. See
  https://bugzilla.redhat.com/show_bug.cgi?id=1640062 and
  https://bugzilla.redhat.com/show_bug.cgi?id=1634736

  Description:	Ubuntu 18.10
  Release:	18.10

  gnome-music:
    Installed: 3.30.1-1
    Candidate: 3.30.1-1

  
  libgnutls30:
    Installed: 3.6.4-2ubuntu1
    Candidate: 3.6.4-2ubuntu1

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