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Date: Thu, 17 Jun 2004 19:28:07 GMT
From: Florian Klemenz <fok@gmx.net>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Latest Linux 2.4/2.6 kernel crash also crashes some FreeBSD 5.2 systems
X-Send-Pr-Version: www-2.3

>Number:         68058
>Category:       i386
>Synopsis:       Latest Linux 2.4/2.6 kernel crash also crashes some FreeBSD 5.2 systems
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    bms
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jun 17 19:30:18 GMT 2004
>Closed-Date:    Tue Jun 22 15:14:16 GMT 2004
>Last-Modified:  Tue Jun 22 15:14:16 GMT 2004
>Originator:     Florian Klemenz
>Release:        5.2.1-RELEASE-p8
>Organization:
>Environment:
FreeBSD archvile.fok.local 5.2.1-RELEASE-p8-fok2 FreeBSD 5.2.1-RELEASE-p8-fok2 #1: Thu May 27 00:38:29 CEST 2004     fok@archvile.fok.local:/usr/obj/usr/src/sys/ARCHVILE  i386

CPU: Pentium II/Pentium II Xeon/Celeron (525.00-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x665  Stepping = 5
  Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>

> gcc -v
Using built-in specs.
Configured with: FreeBSD/i386 system compiler
Thread model: posix
gcc version 3.3.3 [FreeBSD] 20031106

>Description:
The latest Linux 2.4/2.6 bug as described on http://linuxreviews.org/news/2004-06-11_kernel_crash/ also effects some FreeBSD 5.2 systems. The exploit lets FreeBSD reboot spontaneously.

This has been confirmed from three people in #freebsd.de on Quakenet. Affected are at least boxes running 5.2.1-RELEASE-px and 5.2-CURRENT (approx. 1 week old).
However not all systems running these versions seem to be affected.
>How-To-Repeat:
As user or root:
Compile http://linuxreviews.org/news/2004-06-11_kernel_crash/crash.c.txt or http://linuxreviews.org/news/2004-06-11_kernel_crash/krnl-1.c.txt with gcc and execute the resulting binary.
>Fix:
      
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: bms 
State-Changed-When: Fri Jun 18 09:33:38 GMT 2004 
State-Changed-Why:  
Believed fixed in src/sys/i386/isa/npx.c rev 1.151, can you test 
to confirm this bug is fixed? 


Responsible-Changed-From-To: freebsd-i386->bms 
Responsible-Changed-By: bms 
Responsible-Changed-When: Fri Jun 18 09:33:38 GMT 2004 
Responsible-Changed-Why:  
I'll take administrative care of this PR 

http://www.freebsd.org/cgi/query-pr.cgi?pr=68058 

From: Florian Klemenz <fok@gmx.net>
To: Bruce M Simpson <bms@FreeBSD.org>
Cc:  
Subject: Re: i386/68058: Latest Linux 2.4/2.6 kernel crash also crashes some FreeBSD 5.2 systems
Date: Sat, 19 Jun 2004 13:00:20 +0200

 Hello Bruce,
 
 Friday, June 18, 2004, 11:34:56 AM, you wrote:
 
 > Believed fixed in src/sys/i386/isa/npx.c rev 1.151, can you test
 > to confirm this bug is fixed?
 
 I will do that on monday.
 
 --=20
 Florian    -=3D fok@gmx.net =3D-
 
State-Changed-From-To: feedback->closed 
State-Changed-By: bms 
State-Changed-When: Tue Jun 22 15:13:49 GMT 2004 
State-Changed-Why:  
Submitter confirms issue is fixed in -CURRENT 

http://www.freebsd.org/cgi/query-pr.cgi?pr=68058 
>Unformatted:
