Patch-ID# 109454-06

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Keywords: security fifofs fifo_fastturnoff fifo_poll stream fifonode
Synopsis: SunOS 5.8: connld, fifofs, fifonode patch
Date: Oct/02/2007

Install Requirements: See Special Install Instructions
Reboot after installing this patch to activate the changes delivered. An alternative may be specified in the Special Install Instructions.

Solaris Release: 8

SunOS Release: 5.8

Unbundled Product:

Unbundled Release:

Xref: This patch available for x86 as patch 109455

Topic: SunOS 5.8: connld, fifofs, fifonode 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

Bugs fixed with this patch:

Sun CR # Bug #

Changes incorporated in this version: 6525463

Patches accumulated and obsoleted by this patch:

Patches which conflict with this patch:

Patches required with this patch:

Obsoleted by:

Files included with this patch:


Problem Description:

6525463 fifo I_PEEK ioctl can leak kernel memory with negative databuf.maxlen [IDEF2145]
(from 109454-05)
6376632 writer and reader of a pipe can race and leave writer process hung
6396390 FIFOPOLLRBAND flag should not be set to the same value as FIFOISOPEN
(from 109454-04)
5036875 pipe performance can be significantly improved
5098322 pipe performance with small buffers regressed by 5036875
(from 109454-03)
4482621 fstat intermittently returns err#79 EOVERFLOW when run on 64-bit OS
(from 109454-02)
4460375 poll sometimes returns 0 when data should be on queue
(from 109454-01)
4302216 Sleeping in poll when data ready on stream read queue

Patch Installation Instructions:
For Solaris 2.0-2.6 releases, refer to the 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 1:  Reboot the system after patch installation.
NOTE 2:  To get the complete fix for bugID 4460375 (poll sometimes returns
         0 when data should be on queue), please also install the following
         108528-24 (or greater)  kernel patch

README -- Last modified date: Friday, November 9, 2012