Patch-ID# 106945-04

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Keywords: security fifofs streams getattr i_peek ioctl fn_lock
Synopsis: SunOS 5.7_x86: /kernel/fs/fifofs patch
Date: Jul/25/2005


Install Requirements: Reboot after installation                      
                      
Solaris Release: 7_x86

SunOS Release: 5.7_x86

Unbundled Product: 

Unbundled Release: 

Xref: This patch available for SPARC as patch 106944

Topic: SunOS 5.7_x86: /kernel/fs/fifofs patch

Relevant Architectures: i386

BugId's fixed with this patch: 4149694 4166116 4211236 4302216 4460375

Changes incorporated in this version: 4460375

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: 

/kernel/fs/fifofs

Problem Description:

4460375 poll sometimes returns 0 when data should be on queue.
 
(from 106945-03)
 
4149694 machine panics in fifo_connld() when kmem_flags set to 0x3f
4302216 sleeping in poll when data ready on stream read queue
 
(from 106945-02)
 
4211236 I_PEEK ioctl on fifo doesn't release fn_lock on error
 
(from 106945-01)
 
4166116 Panic in streams code at strvp2wq+8

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 : In order to obtain the complete fix for bugid 4460375, Patch
       106542-41 (or greater) must also be installed on your system.

README -- Last modified date:  Monday, July 25, 2005