Avoid symbol conflicts with `md5_*' symbols in third party extensions

Bug #1734109 reported by Matthias Klose on 2017-11-23
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
python2.7 (Ubuntu)
Undecided
Unassigned
Xenial
Undecided
Unassigned
Zesty
Undecided
Unassigned
Artful
Undecided
Unassigned

Bug Description

SRU

We link most extensions as built-ins into the python binary. the md5_* symbols cause a conflict with external libs/extensions. So just use the _Py-* namespace for these. See the Debian report for details.

These are internal functions for the md5 module. Renaming them to the _Py_* namespace avoids the conflict. There should not be any case where these are intentionally referenced. At least in the archive there are no known references, so the regression potential is limited to external binaries, and there it should be minimal to non-existing as well.

Matthias Klose (doko) wrote :

the change is already in artful and bionic

Changed in python2.7 (Ubuntu Artful):
status: New → Fix Released
Changed in python2.7 (Ubuntu):
status: New → Fix Released
description: updated

Hello Matthias, or anyone else affected,

Accepted python2.7 into zesty-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/python2.7/2.7.13-2ubuntu0.2 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed.Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-zesty to verification-done-zesty. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-zesty. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Changed in python2.7 (Ubuntu Zesty):
status: New → Fix Committed
tags: added: verification-needed verification-needed-zesty
Łukasz Zemczak (sil2100) wrote :

Hello Matthias, or anyone else affected,

Accepted python2.7 into xenial-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/python2.7/2.7.12-1ubuntu0~16.04.3 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed.Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-xenial to verification-done-xenial. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-xenial. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Changed in python2.7 (Ubuntu Xenial):
status: New → Fix Committed
tags: added: verification-needed-xenial
Matthias Klose (doko) wrote :

packages successfully built. inspected the python binary for the renamed functions.

tags: added: verification-done verification-done-xenial verification-done-zesty
removed: verification-needed verification-needed-xenial verification-needed-zesty
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package python2.7 - 2.7.12-1ubuntu0~16.04.3

---------------
python2.7 (2.7.12-1ubuntu0~16.04.3) xenial-proposed; urgency=medium

  * Some performance improvements: LP: #1638695.
    - Build the _math.o object file without -fPIC for static builds.
  * Rename md5_* functions to _Py_md5_*. Closes: #868366. LP: #1734109.
  * Explicitly use the system python for byte compilation in postinst scripts.
    LP: #1682934.
  * Fix issue #22636: Avoid shell injection problems with
    ctypes.util.find_library(). LP: #1512068.

 -- Matthias Klose <email address hidden> Mon, 04 Dec 2017 15:50:18 +0100

Changed in python2.7 (Ubuntu Xenial):
status: Fix Committed → Fix Released

The verification of the Stable Release Update for python2.7 has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

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