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Bug 912299 - kernel installation fails if GREP_OPTIONS is set
Summary: kernel installation fails if GREP_OPTIONS is set
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: dracut
Version: 6.3
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Harald Hoyer
QA Contact: Release Test Team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-02-18 10:36 UTC by Vasily Averin
Modified: 2013-11-21 21:55 UTC (History)
4 users (show)

Fixed In Version: dracut-004-322.el6
Doc Type: Bug Fix
Doc Text:
Cause: dracut makes use of "grep" without unsetting the environment variable GREP_OPTIONS. Consequence: If the user has set GREP_OPTIONS while calling yum or running dracut, usages of the "grep" tool could fail because of arbitrary options. Fix: dracut now unsets the GREP_OPTIONS environment variable. Result: User settings of the GREP_OPTIONS environment variable does not affect the correct operation of dracut anymore.
Clone Of:
Environment:
Last Closed: 2013-11-21 21:55:06 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2013:1674 0 normal SHIPPED_LIVE Moderate: dracut security, bug fix, and enhancement update 2013-11-20 21:52:47 UTC

Description Vasily Averin 2013-02-18 10:36:33 UTC 
Description of problem:
kernel installation fails if environment contains GREP_OPTIONS="--color=always" variable.

# rpm -q dracut-network
dracut-network-004-283.el6.noarch

# export GREP_OPTIONS="--color=always"
# rpm -ihv kernel-2.6.32-279.22.1.el6.x86_64.rpm kernel-firmware-2.6.32-279.22.1.el6.noarch.rpm 
Preparing...                ########################################### [100%]
   1:kernel-firmware        ########################################### [ 50%]
   2:kernel                 ########################################### [100%]
The default plymouth plugin (text) doesn't exist
E: Failed to install /lib64/libnss_dns-2.12.so
mkinitrd failed
warning: %posttrans(kernel-2.6.32-279.22.1.el6.x86_64) scriptlet failed, exit status 1

Version-Release number of selected component (if applicable):
dracut-network-004-283.el6.noarch

How reproducible: 100%

Steps to Reproduce:
1. be sure that dracut-network is installed
2. set up GREP_OPTIONS variable:
 # export GREP_OPTIONS="--color=always"
3. try to install new kernel
  
Actual results:
dracut fails with following message in dracut.log
Mon Feb 18 13:55:34 MSK 2013 Err: Failed to install /lib64/libnss_ESC[01;31mESC[KdnsESC[mESC[K-2.12.so

Expected results:
no errors

Additional info:
with dracut debug we have found that problem occurs during execution
/usr/share/dracut/modules.d/95nfs/install

dracut_install $(for i in $(ls {/usr,}$LIBDIR/libnss*.so 2>/dev/null); do echo $i;done | egrep "$nsslibs")

Using "egrep -q" resolved the problem.

In upstream dracut code the problem went away with following commit
http://git.kernel.org/?p=boot/dracut/dracut.git;a=commitdiff;h=5e5f3d5e6c9d94996c9a28bf38f26a4d463c4dd4
Comment 7 Harald Hoyer 2013-07-18 13:54:04 UTC 
First alpha build for testing:
http://people.redhat.com/harald/downloads/dracut/dracut-004-316.el6/

Would be nice, if you could test it.
Comment 8 Vasily Averin 2013-08-05 06:42:54 UTC 
I can confirm that  problem is resolved with dracut-004-316.el6
Comment 10 Jan Stodola 2013-10-21 10:11:05 UTC 
Reproduced with dracut-004-303.el6:

[root@localhost ~]# rpm -i --force kernel-2.6.32-424.el6.x86_64.rpm 
warning: kernel-2.6.32-424.el6.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f21541eb: NOKEY
The default plymouth plugin (text) doesn't exist
E: Failed to install /lib64/libnss_dns-2.12.so
mkinitrd failed
warning: %posttrans(kernel-2.6.32-424.el6.x86_64) scriptlet failed, exit status 1
[root@localhost ~]# rpm -q dracut
dracut-004-303.el6.noarch
[root@localhost ~]# 

Verified with dracut-004-335.el6:

[root@localhost ~]# rpm -i --force kernel-2.6.32-424.el6.x86_64.rpm 
warning: kernel-2.6.32-424.el6.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f21541eb: NOKEY
[root@localhost ~]# rpm -q dracut
dracut-004-335.el6.noarch
[root@localhost ~]#

System booted correctly after reboot.

Moving to VERIFIED.
Comment 11 errata-xmlrpc 2013-11-21 21:55:06 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2013-1674.html
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