Bug 161995 - kernel panic when rm -rf directory structure on tmpfs filesystem
kernel panic when rm -rf directory structure on tmpfs filesystem
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel (Show other bugs)
4.0
x86_64 Linux
medium Severity high
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Assigned To: Kernel Maintainer List
Brian Brock
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Depends On:
Blocks: 156322
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Reported: 2005-06-28 19:03 EDT by Brandon Casey
Modified: 2007-11-30 17:07 EST (History)
0 users

See Also:
Fixed In Version: RHSA-2005-514
Doc Type: Bug Fix
Doc Text:
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Clone Of:
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Last Closed: 2005-10-05 09:37:22 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Brandon Casey 2005-06-28 19:03:47 EDT
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040922

Description of problem:
Quad processor AMD64 server 16GB memory

~8GB (1/2 of remaining memory) tmpfs filesystem mounted on /tmp

-Normal user copied an approximately 30MB directory hierarchy into /tmp.
 cd /tmp
 ls /home/foouser/foodir
    file file dir dir file dir etc.
 cp -rpd /home/foouser/foodir/ .
 rm -rf foodir
 *panic*

after reboot, repeatable.


Version-Release number of selected component (if applicable):
kernel-smp-2.6.9-11.EL

How reproducible:
Always

Steps to Reproduce:
1.cd /tmp
2.cp -rpd <directory_path>/foo/ .
3.rm -rf foo
4.profi^H^H^H^Hanic
  

Actual Results:  kernel panic

Expected Results:  directories/files deleted, no kernel panic

Additional info:
Comment 1 Jason Baron 2005-06-29 16:43:32 EDT

*** This bug has been marked as a duplicate of 158956 ***
Comment 2 Jason Baron 2005-07-27 23:12:52 EDT
Hi Brandon,

we've commited a fix to the u2 update stream. Could you please verify that it
fixes the panic. The kernel is at: http://people.redhat.com/~jbaron/rhel4/

thanks,

-Jason
Comment 3 Brandon Casey 2005-07-28 14:34:29 EDT
(In reply to comment #2)
> Hi Brandon,
> 
> we've commited a fix to the u2 update stream. Could you please verify that it
> fixes the panic. The kernel is at: http://people.redhat.com/~jbaron/rhel4/
> 
> thanks,
> 
> -Jason

Jason,

It works.

I am no longer able to reproduce the kernel panic. We have re-created our
operational tmpfs filesystem and it will get some thorough usage...so I'll let
you know if we run into any problems <smirk>

Thank you for your excellent help.

-brandon
Comment 4 Red Hat Bugzilla 2005-10-05 09:37:22 EDT
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 the 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-2005-514.html

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