Patch-ID# 110956-06

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Keywords: security timod ce_panic ce_warn ypbind tim_peerlen zero panic ioctl
Synopsis: SunOS 5.8_x86: /kernel/strmod/timod patch
Date: Mar/24/2006


Install Requirements: See Special Install Instructions                      
                      Reboot after installation, an alternative may be in Special Install Instructions                      
                      
Solaris Release: 8_x86

SunOS Release: 5.8_x86

Unbundled Product: 

Unbundled Release: 

Xref: This patch available for SPARC as patch 110955

Topic: SunOS 5.8_x86: /kernel/strmod/timod patch
	NOTE:   Refer to Special Install Instructions section for
                IMPORTANT specific information on this patch.

Relevant Architectures: i386

BugId's fixed with this patch: 4380632 4453050 4587859 4621295 4924525 6337123

Changes incorporated in this version: 6337123

Patches accumulated and obsoleted by this patch: 

Patches which conflict with this patch: 

Patches required with this patch: 108529-18 (or greater)

Obsoleted by: 

Files included with this patch: 

/kernel/strmod/timod

Problem Description:

6337123 timodwproc() can cause write side stream to hang, usually in presence of rapidly interrupted ioctls.
 
(from 110956-05)
 
4924525 timod race condition when ioctl is interrupted under flow control
 
(from 110956-04)
 
4587859 I_STR ioctl payloads are improperly validated
 
(from 110956-03)
 
4621295 tim_peerlen not being set to zero when tim_peername is freed can cause panic
 
(from 110956-02)
 
4453050 ypbind's usage of timod induces BugId 4336400 (Communications hang on IP's syncq sd_lock) and BugId 4365263 (Starvation of strlock()) on E10K
 
(from 110956-01)
 
4380632 timod calls CE_PANIC and CE_WARN inconsistently

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:
-----------------------------
 
Reboot the system after patch installation.

README -- Last modified date:  Friday, March 24, 2006

