Patch-ID# 121316-02

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Keywords: security doorfs race
Synopsis: SunOS 5.9: kernel/sys/doorfs Patch
Date: Aug/10/2006


Install Requirements: Reboot after installation, an alternative may be in Special Install Instructions                      
                      Install in Single User Mode                      
                      
Solaris Release: 9

SunOS Release: 5.9

Unbundled Product: 

Unbundled Release: 

Xref: This patch available for x86 as patch 121317

Topic: SunOS 5.9: kernel/sys/doorfs Patch
	***********************************************************
	NOTE: This patch may contain one or more OEM-specific platform ports.
	      See the appropriate OEM_NOTES file within the patch for
	      information specific to these platforms.
	      DO NOT INSTALL this patch on an OEM system if a corresponding
	      OEM_NOTES file is not present (or is present, but instructs not
	      to install the patch), unless the OEM vendor directs otherwise.
	***********************************************************

Relevant Architectures: sparc sparc.sun4u

BugId's fixed with this patch: 5031470 6272865 6329593

Changes incorporated in this version: 6272865 6329593

Patches accumulated and obsoleted by this patch: 

Patches which conflict with this patch: 

Patches required with this patch: 112233-12 117171-17 (or greater)

Obsoleted by: 

Files included with this patch: 

/kernel/sys/doorfs
/kernel/sys/sparcv9/doorfs
/usr/include/sys/door_data.h

Problem Description:

6272865 race condition between SIGKILL and /proc PCAGENT
6329593 pr_wait_die() can hang while waiting for SIGKILL to be processed
 
(from 121316-01)
 
5031470 doors don't like being both a server and client (race in door_call/door_results)

Patch Installation Instructions:
--------------------------------
 
For Solaris 2.0-2.6 releases, refer to the Install.info file and/or
the README within the patch for instructions on using the generic
'installpatch' and 'backoutpatch' scripts provided with each patch.
 
For Solaris 7-10 releases, refer to the man pages for instructions
on using 'patchadd' and 'patchrm' scripts provided with Solaris.
Any other special or non-generic installation instructions should be
described below as special instructions.  The following example
installs a patch to a standalone machine:
 
       example# patchadd /var/spool/patch/104945-02
 
The following example removes a patch from a standalone system:
 
       example# patchrm 104945-02
 
For additional examples please see the appropriate man pages.

Special Install Instructions:
-----------------------------
 
NOTE:   To get the complete fix for bugid 6272865 (race condition between
        SIGKILL and /proc PCAGENT) and bugid 6329593 (pr_wait_die() can
        hang while waiting for SIGKILL to be processed), please also install
        the following patches:
 
        117125-03 (or greater)  kernel/fs/procfs Patch
        118558-30 (or greater)  Kernel Patch
        113278-14 (or greater)  NFS Daemon, rpcmod Patch

README -- Last modified date:  Thursday, August 10, 2006