Bug 160695 - Update 5 mount cuses segment fault on Update3 rpc.mountd
Update 5 mount cuses segment fault on Update3 rpc.mountd
Status: CLOSED WONTFIX
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: mount (Show other bugs)
3.0
All Linux
medium Severity high
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Assigned To: Steve Dickson
Brian Brock
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2005-06-16 14:01 EDT by Venkat Reddy
Modified: 2007-11-30 17:07 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2007-01-22 20:01:13 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Venkat Reddy 2005-06-16 14:01:58 EDT
Description of problem:

mounting an exported file system from a RH AS 3.0 with nfs-utils-1.0.5-3(system
B nfs server) on a RH AS 3.0 U5 system A ( nfs client) causes segmentaion fault
on rpc.mountd on system B.


Version-Release number of selected component (if applicable):
nfs-utils-1.0.5-3 and mount-2.11y-31.6

How reproducible:
Try mount a file system from a system with a nfs-utils-1.0.5-3 package onto a RH
AS 3.0 U5 system.

Steps to Reproduce:
1.
2.
3.
  
Actual results:
rpc.mountd crashes with seg fault

Expected results:
Should be able to mount the exported filesystem.

Additional info:
Comment 1 Karel Zak 2005-06-17 13:31:34 EDT
From:    Venkat Ram Reddy
Subject: Bug ID 160695
Date:    Fri, 17 Jun 2005 09:51:15 -0700  (18:51 CEST)

Here are the bug results

Cient:

[root@qa5 root]# mount qad3:/home /mnt
mount: RPC: Unable to receive; errno = Connection refused
[root@qa5 root]# rpm -qa | grep mount
mount-2.11y-31.6
[root@qa5 root]# rpm -qa | grep nfs
nfs-utils-1.0.6-33EL
redhat-config-nfs-1.0.13-6
[root@qa5 root]# uname -a
Linux qa5 2.4.21-32.ELsmp #1 SMP Fri Apr 15 21:03:28 EDT 2005 x86_64 
x86_64 x86_64 GNU/Linux

Server:

[root@qad3 root]# rpc.mountd -F -d all
Segmentation fault
[root@qad3 root]# rpm -qa | grep nfs
nfs-utils-1.0.5-3
redhat-config-nfs-1.0.13-1
[root@qad3 root]# uname -a
Linux qad3 2.4.21-27.EL.re3.4GB #1 SMP Fri Mar 18 16:08:43 PST 2005 i686 
i686 i386 GNU/Linux
[root@qad3 root]#

Same thing is reproduceable on RH AS 3.0 AMD64 with the same version 
nfs-utils package.
Comment 2 Steve Dickson 2005-06-17 14:00:42 EDT
hmm...  the server kernel version,  2.4.21-27.EL.re3.4GB, appears
not to be build in our internal build system... So where did this kernel
come from and what, if any, modification were made?
Comment 3 Venkat Reddy 2005-06-17 14:18:17 EDT
This is a custom kernel. But the same thing happen on the following system too. 

[root@qa1 root]# uname -a
Linux qa1 2.4.21-4.ELsmp #1 SMP Fri Oct 3 17:32:58 EDT 2003 x86_64 x86_64 x86_64
GNU/Linux
[root@qa1 root]# more /etc/redhat-release 
Red Hat Enterprise Linux AS release 3 (Taroon)
[root@qa1 root]# rpm -qa | grep nfs
redhat-config-nfs-1.0.13-1
nfs-utils-1.0.5-3
Comment 4 Kevin Krafthefer 2007-01-22 19:50:40 EST
This needs to be reproducible on fully patched clients and servers.
Comment 5 RHEL Product and Program Management 2007-01-22 20:01:13 EST
Product Management has reviewed and declined this request.  You may appeal this
decision by reopening this request. 

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