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

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Adam Stokes (adam-stokes):

[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.

** Affects: libgcrypt11 (Ubuntu)
     Importance: Critical
     Assignee: Adam Stokes (adam-stokes)
         Status: In Progress

** Affects: python-gnutls (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: libgcrypt11 (Ubuntu Lucid)
     Importance: Critical
     Assignee: Adam Stokes (adam-stokes)
         Status: In Progress

** Affects: python-gnutls (Ubuntu Lucid)
     Importance: Undecided
         Status: New

** Affects: libgcrypt11 (Ubuntu Oneiric)
     Importance: Critical
     Assignee: Adam Stokes (adam-stokes)
         Status: In Progress

** Affects: python-gnutls (Ubuntu Oneiric)
     Importance: Undecided
         Status: New

** Affects: libgcrypt11 (Ubuntu Precise)
     Importance: Critical
     Assignee: Adam Stokes (adam-stokes)
         Status: In Progress

** Affects: python-gnutls (Ubuntu Precise)
     Importance: Undecided
         Status: New

** Affects: libgcrypt11 (Ubuntu Quantal)
     Importance: Critical
     Assignee: Adam Stokes (adam-stokes)
         Status: In Progress

** Affects: python-gnutls (Ubuntu Quantal)
     Importance: Undecided
         Status: New

** Affects: libgcrypt11 (Ubuntu Raring)
     Importance: Critical
     Assignee: Adam Stokes (adam-stokes)
         Status: In Progress

** Affects: python-gnutls (Ubuntu Raring)
     Importance: Undecided
         Status: New


** Tags: regression-update
-- 
Blink SIP client segfaults with libgcrypt11 1.5.0-3ubuntu0.1
https://bugs.launchpad.net/bugs/1013798
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