[Bug 1013798] Re: Blink SIP client segfaults with libgcrypt11 1.5.0-3ubuntu0.1

[Launchpad Bug Tracker]

This bug was fixed in the package python-gnutls - 1.2.4-1ubuntu0.1

---------------
python-gnutls (1.2.4-1ubuntu0.1) quantal-proposed; urgency=low

  [ Jack Bates ]
  * gcry_check_version must be invoked before any other function in the
    library, with the exception of the GCRYCTL_SET_THREAD_CBS command (called
    via the gcry_control function). (LP: #1013798)
 -- Adam Stokes <adam.stokes at ubuntu.com>   Tue, 02 Apr 2013 09:49:23 -0400

** Changed in: python-gnutls (Ubuntu Quantal)
       Status: Fix Committed => Fix Released

** Changed in: python-gnutls (Ubuntu Precise)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1013798

Title:
  Blink SIP client segfaults with libgcrypt11 1.5.0-3ubuntu0.1

Status in “libgcrypt11” package in Ubuntu:
  Invalid
Status in “python-gnutls” package in Ubuntu:
  Fix Released
Status in “libgcrypt11” source package in Lucid:
  In Progress
Status in “python-gnutls” source package in Lucid:
  New
Status in “libgcrypt11” source package in Oneiric:
  In Progress
Status in “python-gnutls” source package in Oneiric:
  New
Status in “libgcrypt11” source package in Precise:
  Invalid
Status in “python-gnutls” source package in Precise:
  Fix Released
Status in “libgcrypt11” source package in Quantal:
  Invalid
Status in “python-gnutls” source package in Quantal:
  Fix Released
Status in “libgcrypt11” source package in Raring:
  Invalid
Status in “python-gnutls” source package in Raring:
  Fix Released

Bug description:
  [Impact]
  This regression was introduced from bug 423252

  [Test Case]
  Python 2.7.3 (default, Apr 20 2012, 22:44:07)
  [GCC 4.6.3] on linux2
  Type "help", "copyright", "credits" or "license" for more information.
  >>> from gnutls.crypto import X509Certificate, X509PrivateKey
  Segmentation fault (core dumped)

  [Regression Potentional]
  All known test cases pass so unless there is another corner case the regression potentional should be minimal.

  I'm not sure to which package I should report this, but I use the
  Blink SIP client (http://icanblink.com/) and noticed that it segfaults
  at startup if I have libgcrypt11 1.5.0-3ubuntu0.1 installed, but if I
  force the older version 1.5.0-3 Blink works ok.

  Blink is a Python app and I think I managed to find the line of Python
  code that causes the segfault. The line is 'from gnutls.crypto import
  X509Certificate, X509PrivateKey'. Here is what happens when I run it
  in the Python console:

  I'm using 12.04, but I originally noticed the issue when I had 11.10
  and the proposed updates enabled. One day there were some updates that
  broke Blink and going through the updates I discovered that reverting
  libgcrypt fixed it.

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