Bug 1952400

Summary: During install boot dracut throws warnings of "ignored null byte in input"
Product: Red Hat Enterprise Linux 8 Reporter: Lev Veyde <lveyde>
Component: dracutAssignee: Pavel Valena <pvalena>
Status: CLOSED ERRATA QA Contact: Frantisek Sumsal <fsumsal>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 8.3CC: dracut-maint-list, dtardon, fsumsal, pvalena
Target Milestone: betaKeywords: Improvement, Reopened, Triaged
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: dracut-049-224.git20230330.el8 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-11-14 15:47:29 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:
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Description Flags
Boot process showing the warning messages none

Description Lev Veyde 2021-04-22 08:32:36 UTC 
Description of problem:
Booting RHEL installation image throws warnings like this:

dracut-initqueue[1033]: /lib/img-lib.sh: line 12: warning: command substitution: ignored null byte in input


Version-Release number of selected component (if applicable):


How reproducible:
100%

Steps to Reproduce:
1. Boot RHEL or RHV-H installation ISO
2. Watch the warning messages

Actual results:
Warning messages appear

Expected results:
Boot should be clean

Additional info:
This happens for quite some time now and affects both RHEL and RHV-H (and any other derived ISOs which are based on RHEL)
The affected file is supplied by the dracut-live package.

A patch to the u/s was submitted for review:
https://github.com/dracutdevs/dracut/pull/1379
Comment 1 Lev Veyde 2021-04-22 08:34:26 UTC 
Created attachment 1774358 [details]
Boot process showing the warning messages
Comment 3 RHEL Program Management 2022-11-01 07:29:10 UTC 
After evaluating this issue, there are no plans to address it further or fix it in an upcoming release.  Therefore, it is being closed.  If plans change such that this issue will be fixed in an upcoming release, then the bug can be reopened.
Comment 6 Pavel Valena 2023-03-14 20:13:05 UTC 
I've prepared a pull request:
https://github.com/redhat-plumbers/dracut-rhel8/pull/25
Comment 8 Pavel Valena 2023-03-30 23:38:15 UTC 
Merged via https://gitlab.com/redhat/centos-stream/rpms/dracut/-/merge_requests/18
Comment 15 Pavel Valena 2023-07-19 08:21:34 UTC 
Moving to ITM 26 as agreed with QE.
Comment 17 errata-xmlrpc 2023-11-14 15:47:29 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 (dracut bug fix and enhancement update), and where to find the updated
files, follow the link below.

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

https://access.redhat.com/errata/RHBA-2023:7087