Bug 125239 - [gre] kernel crash when using gre
Summary: [gre] kernel crash when using gre
Status: Closed Overcome By Events
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: 7.0-RELEASE
Hardware: Any Any
: Normal Affects Only Me
Assignee: Bugmeister
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2008-07-03 17:10 UTC by Damien Saucez
Modified: 2023-12-31 02:51 UTC (History)
0 users

See Also:

Attachments
kern_125239 (2.81 KB, application/octet-stream)
2010-02-17 18:32 UTC, mo0118 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)

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Description Damien Saucez 2008-07-03 17:10:05 UTC 
The following commands

ifconfig gre0 create
ifconfig gre0 tunnel 172.17.100.1 172.17.100.2
ifconfig gre0 tunnel  10.101.1.1 10.101.1.2 netmask 255.255.255.255
ifconfig gre0 destroy
ifconfig gre0 create
ifconfig gre0 tunnel 172.17.100.1 172.17.100.2
ifconfig gre0 inet 10.101.1.1 10.101.1.2 netmask 255.255.255.255

make kernel crashes with a /var/crash/info file containing the following:

Dump header from device /dev/ad0s1b
  Architecture: i386
  Architecture Version: 2
  Dump Length: 36524032B (34 MB)
  Blocksize: 512
  Dumptime: Mon Jan  3 19:38:01 2000
  Hostname: lisp01
  Magic: FreeBSD Kernel Dump
  Version String: FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC 2008
    root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
  Panic String: page fault
  Dump Parity: 2344313183
  Bounds: 3
  Dump Status: good


The vmcore is available at http://ece.fsa.ucl.ac.be/dsaucez/freebsd/vmcore.ifconfig.gre

How-To-Repeat: Runs the following (with root access):

ifconfig gre0 create
ifconfig gre0 tunnel 172.17.100.1 172.17.100.2
ifconfig gre0 tunnel  10.101.1.1 10.101.1.2 netmask 255.255.255.255
ifconfig gre0 destroy
ifconfig gre0 create
ifconfig gre0 tunnel 172.17.100.1 172.17.100.2
ifconfig gre0 inet 10.101.1.1 10.101.1.2 netmask 255.255.255.255
Comment 1 Mark Linimon freebsd_committer freebsd_triage 2008-07-04 03:57:25 UTC 
Responsible Changed
From-To: freebsd-bugs->freebsd-net

Over to maintainer(s).
Comment 2 mo0118 2010-02-17 18:32:00 UTC 
Hello all,

I found the solution about why this bug occurs :
<http://www.freebsd.org/cgi/query-pr.cgi?pr=125239&cat=>
I would like to contribute my knowledge to FreeBSD website and you can
find my solution in the attached. Please let me know your comment and
look forward to your reply.

Thanks,
-- 
Jeff Mo
Santa Clara University
Linux+, SCJP, SCWCD, MCSD
Comment 3 Eitan Adler freebsd_committer freebsd_triage 2017-12-31 08:01:31 UTC 
For bugs matching the following criteria:

Status: In Progress Changed: (is less than) 2014-06-01

Reset to default assignee and clear in-progress tags.

Mail being skipped
Comment 4 Mark Linimon freebsd_committer freebsd_triage 2023-12-31 02:51:51 UTC 
^Triage: close as OBE.

I'm sorry that this PR never got looked at, but by now, 7.X is long out of support