Bug 638865 – [5.5] a race in pid generation that causes pids to be reused immediately. [rhel-5.4.z]

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Bug 638865 - [5.5] a race in pid generation that causes pids to be reused immediately. [rhel-5.4.z]

Summary:	[5.5] a race in pid generation that causes pids to be reused immediately. [rh...

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	kernel (Show other bugs)
Sub Component:
Version:	5.5
Hardware:	All Linux

Priority	high 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:	634850
Blocks:
	Show dependency tree / graph

Reported:	2010-09-30 03:37 EDT by RHEL Product and Program Management
Modified:	2015-05-04 21:21 EDT (History)
CC List:	11 users (show)

See Also:
Fixed In Version:	kernel-2.6.18-164.29.1.el5
Doc Type:	Bug Fix
Doc Text:	A race in the PID generation caused PIDs to be reused immediately. This caused problems such as signaling or killing wrong processes accidentally, resulting in various application faults. With this update, the reuse of PIDs is detected and is no longer allowed.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2010-11-23 10:19:45 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-2010:0907	normal	SHIPPED_LIVE	Important: kernel security and bug fix update	2010-11-23 10:19:19 EST

Groups: None (edit)

Description RHEL Product and Program Management 2010-09-30 03:37:05 EDT

This bug has been copied from bug #634850 and has been proposed
to be backported to 5.4 z-stream (EUS).

Comment 2 Jiri Pirko 2010-10-25 14:34:03 EDT

in kernel 2.6.18-164.29.1.el5

linux-2.6-misc-fix-race-in-pid-generation-causing-immediate-reuse.patch

Comment 4 Martin Prpič 2010-11-16 06:40:12 EST

    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:
A race in the PID generation caused PIDs to be reused immediately. This caused problems such as signaling or killing wrong processes accidentally, resulting in various application faults. With this update, the reuse of PIDs is detected and is no longer allowed.

Comment 7 errata-xmlrpc 2010-11-23 10:19:45 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-2010-0907.html

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