Ubuntu

php5-ps segmentation fault on ps_setfont (64bit)

Reported by Tom Kaminski on 2012-07-13
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
php-ps (Debian)
Fix Released
Unknown
php-ps (Ubuntu)
Critical
Unassigned

Bug Description

php5-ps doesn't work on amd64 based systems. It will throw a segmentation fault at the ps_setfont() function. I was able to reproduce on two separate amd64 machines, including directly from a live CD. From a live CD, here are the steps to reproduce:

1. Add universe to apt-get sources.list
2. apt-get update
3. apt-get install php5 php5-ps
4. Run command: php ps.php (where ps.php is the attached sample program)

- When I compiled and ran the example libps C programs, there were no problems with the same set of functions.
- When I booted with a 32bit live CD (12.04), the above steps worked fine. No segmentation fault.
- I recompiled the module using "pecl install ps", and it still seg faulted on 64bit.

Extra Info:
php5-ps: Installed: 1.3.6-6
Ubuntu 12.04 LTS 64bit

Tom Kaminski (ttkaminski) wrote :
description: updated
Tom Kaminski (ttkaminski) wrote :

Found this: https://bugs.php.net/bug.php?id=58211

Which gave me enough information on what needed to be changed in the rest of the code to make it all work. Attached is a complete patch to make the php ps module 64 bit compatible.

Briefly tested. At least it doesn't seg fault anymore.

The attachment "Patch for php5-ps to make it 64bit compatible" of this bug report has been identified as being a patch. The ubuntu-reviewers team has been subscribed to the bug report so that they can review the patch. In the event that this is in fact not a patch you can resolve this situation by removing the tag 'patch' from the bug report and editing the attachment so that it is not flagged as a patch. Additionally, if you are member of the ubuntu-reviewers team please also unsubscribe the team from this bug report.

[This is an automated message performed by a Launchpad user owned by Brian Murray. Please contact him regarding any issues with the action taken in this bug report.]

tags: added: patch
Clint Byrum (clint-fewbar) wrote :

Confirmed on raring:

# php ps.php
start
pre-setfont
Segmentation fault (core dumped)

Changed in php-ps (Ubuntu):
status: New → Confirmed
importance: Undecided → Critical
Changed in php-ps (Ubuntu):
status: Confirmed → Triaged
Changed in php-ps (Debian):
status: Unknown → Confirmed
Changed in php-ps (Debian):
status: Confirmed → Fix Released
Ray Still (ray-stilltech) wrote :

I have the same problem, and I'm happy to see that a fix has been released by Debian, but will this fix be released on either the PECL package page or through the Ubuntu repositories?

Anders (eddiedog988) on 2014-03-13
Changed in php-ps (Ubuntu):
status: Triaged → Confirmed
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