Bug 984250

Summary:	ksh leaks memory when nested `` is used.
Product:	Red Hat Enterprise Linux 6	Reporter:	Tetsuo Handa <penguin-kernel>
Component:	ksh	Assignee:	Michal Hlavinka <mhlavink>
Status:	CLOSED DUPLICATE	QA Contact:	BaseOS QE - Apps <qe-baseos-apps>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	6.4	CC:	penguin-kernel
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-07-22 13:46:42 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Tetsuo Handa 2013-07-14 00:31:04 UTC

Description of problem:

Running below command continues eating memory.

$ ksh -c 'while :; do echo -n `true \`true\``; done'

Version-Release number of selected component (if applicable):
ksh-20100621-19.el6_4.4

How reproducible:
Always.

Steps to Reproduce:
1. Install ksh and run commands with nested ``. 

  $ ksh -c 'while :; do echo -n `true \`true\``; done'

Actual results:
top command reports that ksh continues eating memory.

Expected results:
top command reports that ksh does not continue eating memory.

Additional info:
RHEL 6.4's ksh-20100621-19.el6_4.4 has this bug.
Fedora 19's ksh-20120801-8.fc19 does not have this bug.

Comment 2 Michal Hlavinka 2013-07-22 13:46:42 UTC

covered by fix for reproducer at bug #921455 comment #5

*** This bug has been marked as a duplicate of bug 921455 ***

Comment 3 Tetsuo Handa 2013-07-22 22:57:27 UTC

Bug 921455 is not visible. Can I expect that this bug will be fixed in RHEL6?

Comment 4 Michal Hlavinka 2013-07-23 07:24:14 UTC

(In reply to Tetsuo Handa from comment #3)
> Bug 921455 is not visible. Can I expect that this bug will be fixed in RHEL6?

99% yes