Bug 678613 – vdso gettimeofday causes a segmentation fault [rhel-5.6.z]

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Bug 678613 - vdso gettimeofday causes a segmentation fault [rhel-5.6.z]

Summary:	vdso gettimeofday causes a segmentation fault [rhel-5.6.z]

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	kernel (Show other bugs)
Sub Component:
Version:	5.6
Hardware:	x86_64 Linux

Priority	urgent Severity urgent
Target Milestone:	rc
Target Release:	---
Assigned To:	Jiri Pirko
QA Contact:	Red Hat Kernel QE team
Docs Contact:

URL:
Whiteboard:
Keywords:	ZStream

Depends On:	673616
Blocks:
	Show dependency tree / graph

Reported:	2011-02-18 10:45 EST by RHEL Product and Program Management
Modified:	2015-05-04 21:22 EDT (History)
CC List:	13 users (show)

See Also:
Fixed In Version:	kernel-2.6.18-238.5.1.el5
Doc Type:	Bug Fix
Doc Text:	VDSO (Virtual Dynamically-linked Shared Object) kernel variables must be exported in vextern.h, otherwise they end up as undefined pointers. When calling the VDSO gettimeofday() function in Red Hat Enterprise Linux 5, a missing declaration lead to a segmentation fault. With this update, the sysctl_vsyscall system call is properly exported and segmentation faults no longer occur.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2011-03-01 15:31:00 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2011:0303	normal	SHIPPED_LIVE	Moderate: kernel security and bug fix update	2011-03-01 15:29:26 EST

Groups: None (edit)

Description RHEL Product and Program Management 2011-02-18 10:45:39 EST

This bug has been copied from bug #673616 and has been proposed
to be backported to 5.6 z-stream (EUS).

Comment 3 Jiri Pirko 2011-02-21 11:11:25 EST

in kernel-2.6.18-238.5.1.el5

linux-2.6-x86_64-vdso-fix-gtod-via-export-of-sysctl_vsyscall.patch

Comment 6 errata-xmlrpc 2011-03-01 15:31:00 EST

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0303.html

Comment 7 Martin Prpič 2011-07-13 16:21:48 EDT

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
VDSO (Virtual Dynamically-linked Shared Object) kernel variables must be exported in vextern.h, otherwise they end up as undefined pointers. When calling the VDSO gettimeofday() function in Red Hat Enterprise Linux 5, a missing declaration lead to a segmentation fault. With this update, the sysctl_vsyscall system call is properly exported and segmentation faults no longer occur.

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