Bug 165920 – app-emulation/virtualbox contains textrels/execstacs

• Product: Gentoo Linux
• Status: RESOLVED UPSTREAM

[Description n.chandler 2007-02-08 14:50:23 UTC]

"emerge virtualbox" generated the following warnings:

QA Notice: the following files contain runtime text relocations
 Text relocations force the dynamic linker to perform extra
 work at startup, waste system resources, and may pose a security
 risk.  On some architectures, the code may not even function
 properly, if at all.
 For more information, see http://hardened.gentoo.org/pic-fix-guide.xml
 Please include this file in your report:
 /var/tmp/portage/virtualbox-9999/temp/scanelf-textrel.log
TEXTREL opt/VirtualBox/VBoxC.so
TEXTREL opt/VirtualBox/VBoxDD.so
TEXTREL opt/VirtualBox/VBoxDD2.so
TEXTREL opt/VirtualBox/VBoxREM.so
TEXTREL opt/VirtualBox/VBoxRT.so
TEXTREL opt/VirtualBox/VBoxVMM.so
TEXTREL opt/VirtualBox/VBoxXML.so
TEXTREL opt/VirtualBox/components/VBoxC.so


QA Notice: the following files contain executable stacks
 Files with executable stacks will not work properly (or at all!)
 on some architectures/operating systems.  A bug should be filed
 at http://bugs.gentoo.org/ to make sure the file is fixed.
 For more information, see http://hardened.gentoo.org/gnu-stack.xml
 Please include this file in your report:
 /var/tmp/portage/virtualbox-9999/temp/scanelf-execstack.log
RWX --- --- opt/VirtualBox/VBoxVMM.so

A Segmentation fault occurred after executing virtualbox.

Reproducible: Always

Steps to Reproduce:
1. emerge virtualbox
2. virtualbox
3.

Actual Results:  
Actual results are listed in the Description

Expected Results:  
The system seg faulted after executing virtualbox

The files  /var/tmp/portage/virtualbox-9999/temp/scanelf-textrel.log and /var/tmp/portage/virtualbox-9999/temp/scanelf-execstack.log were non-existent.

[Comment 1 Ulrich Möller 2007-02-12 17:56:28 UTC]

Just a WAG, but for me the problem was PAX (vbox does some nasty stuff with marking memory as executable), and using paxctl to disable all security features on the vbox executable (VBoxVRDP in my case) fixed the crashes. I still have to do some detailed testing which bit exactly solved the problem.

[Comment 2 Markus Ullmann (RETIRED) 2007-02-12 18:45:15 UTC]

Well I'd say we tag it upstream then as this isn't gentoo specific ;)

[Comment 3 Jakub Moc (RETIRED) 2008-03-10 19:25:35 UTC]

*** Bug 212972 has been marked as a duplicate of this bug. ***

[Comment 4 Alessio Cassibba (X-Drum) 2008-03-12 15:09:48 UTC]

(In reply to comment #2)
> Well I'd say we tag it upstream then as this isn't gentoo specific ;)
> 

yes, i can confirm that this issue was reported time ago to upstream