Patch-ID# 146289-03

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Keywords: security dcfs
Synopsis: SunOS 5.10_x86: dcfs patch
Date: Aug/13/2015

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

Solaris Release: 10_x86

SunOS Release: 5.10_x86

Unbundled Product:

Unbundled Release:

Xref: This patch available for SPARC as patch 146288

Topic: SunOS 5.10_x86: dcfs patch

Relevant Architectures: i386

Bugs fixed with this patch:

Sun CR #	Bug #
6708657	15483993
	16531903
	16531966
	18023851
	18025241
6855379	15572384
6861073	15576078

Changes incorporated in this version: 15483993 16531903 16531966 18023851 18025241

Patches accumulated and obsoleted by this patch: 146237-02

Patches which conflict with this patch:

Patches required with this patch: 141445-09 (or greater)

Obsoleted by:

Files included with this patch:

/kernel/fs/amd64/dcfs
/kernel/fs/dcfs

Problem Description:

15483993 assertion failed: !(kmflags & 0x0001) in dcnode_constructor
16531903 soft hang due to dc_getpage trying to get exclusive lock on shared page
16531966 dc_getpage can silently return corrupt data
18023851 dcfs read returns bad data for  blocksize > MAXBSIZE
18025241 dcfs warning due to kmem cache name conflict for mutiple blocksizes
 
(from 146289-02)
 
        This revision accumulates generic Sustaining patch 146237-02
        into Solaris S10U10 update.
 
(from 146289-01)
 
        This revision accumulates generic Sustaining patch 146237-01
        into Solaris S10U10 update.
 
(from 146237-02)
 
6855379 kcfd can't validate libraries from dcfs
 
(from 146237-01)
 
6861073 dcfs panics when asked to make a hard link

Patch Installation Instructions:

--------------------------------
 
Please refer to the man pages for instructions on using 'patchadd'
and 'patchrm' commands provided with Solaris.
 
The following example installs a patch to a standalone machine:
 
       example# patchadd /var/spool/patch/123456-07
 
The following example removes a patch from a standalone system:
 
       example# patchrm 123456-07
 
For additional examples please see the appropriate man pages. Any
other special or non-generic installation instructions should be
described below as special instructions.

Special Install Instructions:

-----------------------------
 
NOTE 1: Reboot the system after patch installation.
 
        This patch may require a reboot to reload the dcfs kernel module.  The
        following method can be used to determine if the dcfs module is in use:
 
        # /usr/sbin/modinfo -c|grep dcfs
 
        If the output from the command indicates the module is loaded/installed
        then a reboot will be necessary.

README -- Last modified date: Monday, December 14, 2015