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Bug 692515 - sha512hmac expects different checksum, fails on PPC64
Summary: sha512hmac expects different checksum, fails on PPC64
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.1
Hardware: ppc64
OS: Unspecified
high
high
Target Milestone: rc
: ---
Assignee: Aristeu Rozanski
QA Contact: Martin Banas
URL:
Whiteboard:
Depends On: 691419
Blocks: RHEL62CCC 670159 846801 846802
TreeView+ depends on / blocked
 
Reported: 2011-03-31 13:13 UTC by Martin Banas
Modified: 2012-08-08 18:29 UTC (History)
4 users (show)

Fixed In Version: kernel-2.6.32-131.0.1.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-05-19 12:54:59 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
IBM Linux Technology Center 71358 0 None None None Never
Red Hat Product Errata RHSA-2011:0542 0 normal SHIPPED_LIVE Important: Red Hat Enterprise Linux 6.1 kernel security, bug fix and enhancement update 2011-05-19 11:58:07 UTC

Description Martin Banas 2011-03-31 13:13:00 UTC 
Description of problem:
sha512hmac -c /boot/.vmlinuz-2.6.32-128.el6.ppc64.hmac fails on PPC64.

Version-Release number of selected component (if applicable):
kernel-2.6.32-128

How reproducible:
always

Steps to Reproduce:
1. Install RHEL6, and hmaccalc package
2. run # sha512hmac -c /boot/.vmlinuz-2.6.32-128.el6.ppc64.hmac
  
Actual results:
sha512hmac -c /boot/.vmlinuz-2.6.32-128.el6.ppc64.hmac 
/boot/vmlinuz-2.6.32-128.el6.ppc64: FAILED
 computed = 6f39b5c725ead894b22fd334b9b349e7c1444d6a705d95a1f1c1655472d744a478d5da5f725287150a5aa45233e59b6ab447714075cf8e4fc88281246dcc7d64
 expected = 6c5c405c9031d5dffae0223e4e5567ab31a64b65b83f50b22ace3e1166d3700bddebb20a522b2a52ad08a447bdab6efe4fb5c59bff0688c61adf1f72a92b19bc

Installation in fips mode is not possible.

Expected results:
sha512hmac should pass.
Comment 2 Martin Banas 2011-04-05 06:27:59 UTC 
Hello,
Any progress on this bug? It would be nice to be fixed as soon as possible so that we could continue testing FIPS.
Comment 3 Aristeu Rozanski 2011-04-07 21:37:47 UTC 
The problem is on RPM's post installation macro that will strip the notes section
from the kernel image, changing the checksum. I have one tentative patch being
built and will test it afterwards. I should have the patch submitted tomorrow
if everything goes as planned.
Comment 4 Aristeu Rozanski 2011-04-07 21:40:41 UTC 
More information:
/usr/lib/rpm/redhat/brp-strip-comment-note runs on:
%__os_install_post    \
    /usr/lib/rpm/redhat/brp-compress \
    %{!?__debug_package:/usr/lib/rpm/redhat/brp-strip %{__strip}} \
    /usr/lib/rpm/redhat/brp-strip-static-archive %{__strip} \
    /usr/lib/rpm/redhat/brp-strip-comment-note %{__strip} %{__objdump} \
    /usr/lib/rpm/brp-python-bytecompile \
    /usr/lib/rpm/redhat/brp-python-hardlink \
    %{!?__jar_repack:/usr/lib/rpm/redhat/brp-java-repack-jars} \
%{nil}
(Red Hat's RPM macros)
Since ppc64 is the only one to use vmlinux, it'll be stripped in
brp-strip-comment-note, changing the checksum.
Comment 5 Aristeu Rozanski 2011-04-08 15:24:49 UTC 
Patch submitted to the mailing list.
Comment 6 Aristeu Rozanski 2011-04-13 19:05:04 UTC 
Patch(es) available on kernel-2.6.32-131.0.1.el6
Comment 9 Martin Banas 2011-04-14 12:15:04 UTC 
Verified on RHEL6.1-20110413.1 (Snapshot 4), kernel-2.6.32-131.0.1.el6.

[root@ibm-js12-vios-01-lp1 ~]# sha512hmac -c /boot/.vmlinuz-2.6.32-131.0.1.el6.ppc64.hmac 
/boot/vmlinuz-2.6.32-131.0.1.el6.ppc64: OK

Boot is also OK:
...
sd 0:0:7:0: [sdc] Assuming drive cache: write through
sd 0:0:8:0: [sdd] Assuming drive cache: write through
/boot/vmlinuz-2.6.32-131.0.1.el6.ppc64: OK
            Welcome to Red Hat Enterprise Linux Server
Starting udev: [  OK  ]
...
Comment 10 errata-xmlrpc 2011-05-19 12:54:59 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/RHSA-2011-0542.html
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