Bug 622712

Summary: cryptsetup hangs when isLuks is used on ordinary file
Product: Red Hat Enterprise Linux 5 Reporter: Pavel Holica <pholica>
Component: cryptsetup-luksAssignee: Milan Broz <mbroz>
Status: CLOSED ERRATA QA Contact: Release Test Team <release-test-team>
Severity: medium Docs Contact:
Priority: low    
Version: 5.5CC: agk, atodorov, dwysocha, mbroz, prockai, pvrabec
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: cryptsetup-luks-1.0.3-6.el5 Doc Type: Bug Fix
Doc Text:
The cryptsetup utility became unresponsive when using the "cryptsetup isLuks" command on an ordinary file. This problem has been fixed: if running the command on an ordinary file, the cryptsetup utility informs users about the file not being a LUKS partition.
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-07-21 07:04:11 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Description Pavel Holica 2010-08-10 08:35:23 UTC
Description of problem:
Running cryptsetup isLuks on ordinary file causes cryptsetup to hang.

Version-Release number of selected component (if applicable):
RHEL 5.5 Server x86_64
cryptsetup-luks-1.0.3-5.el5

How reproducible:
always

Steps to Reproduce:
1. echo foo > /tmp/foo
2. cryptsetup isLuks /tmp/foo
  
Actual results:
crypsetup hang consuming 95% of CPU

Expected results:
Cannot read device /tmp/foo

Additional info:

Comment 1 RHEL Product and Program Management 2010-08-10 08:37:05 UTC
This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated in the
current release, Red Hat is unfortunately unable to address this
request at this time. Red Hat invites you to ask your support
representative to propose this request, if appropriate and relevant,
in the next release of Red Hat Enterprise Linux.

Comment 5 Milan Broz 2011-03-08 11:10:44 UTC
Fixed in
cryptsetup-luks-1.0.3-6.el5

Comment 7 Alexander Todorov 2011-05-11 13:35:15 UTC
# rpm -q cryptsetup-luks
cryptsetup-luks-1.0.3-8.el5

# echo foo > /tmp/foo
# cryptsetup isLuks /tmp/foo 
/tmp/foo is not a LUKS partition
# echo $?
234
#

Comment 8 Eliska Slobodova 2011-07-07 16:07:33 UTC
    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:
The cryptsetup utility became unresponsive when using the "cryptsetup isLuks" command on an ordinary file. This problem has been fixed: if running the command on an ordinary file, the cryptsetup utility informs users about the file not being a LUKS partition.

Comment 9 errata-xmlrpc 2011-07-21 07:04:11 UTC
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/RHBA-2011-0987.html