OBSOLETE Patch-ID# 139484-05


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Keywords: security ufs panic race
Synopsis: Obsoleted by: 139556-08 SunOS 5.10_x86: ufs patch
Date: Mar/12/2009


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 139483

Topic: SunOS 5.10_x86: ufs patch

Relevant Architectures: i386

Bugs fixed with this patch:

Sun CR # Bug #
642572315330443
645138015341346
646550615348187
650188015365599
667027115462135
667973215467607
672342315492849
674827515508380
675031915509537


Changes incorporated in this version: 6425723 6679732

Patches accumulated and obsoleted by this patch:

Patches which conflict with this patch:

Patches required with this patch: 118855-36 120012-14 137138-09 (or greater)

Obsoleted by: 139556-08

Files included with this patch:

/kernel/fs/amd64/ufs
/kernel/fs/ufs
/usr/include/sys/fs/ufs_inode.h
/usr/include/sys/fs/ufs_log.h

Problem Description:

6425723 ufs_getpage() may loop endlessly calling bmap_write() because blksize() returns 0
6679732 nfsd panics 32 bit x86 with ufs_putapage: bn == UFS_HOLE
 
(from 139484-04)
 
6501880 creation of small files (< 1024 bytes) on logging file system leads to excessive fragmentation
 
(from 139484-03)
 
6723423 UFS slow following large file deletion with bugfix 6513858 installed
 
(from 139484-02)
 
6670271 ufs: mount/umount loop results in FS inconsistency
6750319 static storage specifiers missing in logging/generation of logging-header IDs
 
(from 139484-01)
 
6451380 ufs_fiolfs() can race with a forcible unmount
6465506 ufs_setattr() unsave when called with va_mask = AT_ALL or anything matching AT_NOSET
6748275 panic in ufs_acl_access due to a race between clearing an ACL and ufs_iaccess()


Patch Installation Instructions:
--------------------------------
 
Please refer to the man pages for instructions on using 'patchadd'
and 'patchrm' scripts 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:  Before installing this patch, please be sure to install the latest
         patch utilities patches for your OS. This list of patches is defined
         at http://sunsolve.sun.com
 
         Please use the pull down list which appears after the text:
         "Latest Patch Update: To ensure the correct functioning of the
         patching utilities on your system, stay up to date on the
         following patches"


README -- Last modified date: Saturday, November 10, 2012