Note: This is an archival copy of Security Sun Alert 200377 as previously published on http://sunsolve.sun.com.
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1000267.1.
Article ID : 1000267.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2004-05-06
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

Memory Leak in llc1(7D) Driver and Utilization of kstat(1M) on Solaris 9 May Cause a System Panic



Category
Security

Category
Availability

Release Phase
Resolved

Product
Solaris 9 Operating System

Bug Id
4713774

Date of Workaround Release
21-APR-2004

Date of Resolved Release
07-MAY-2004

Impact

Utilization of kstat(1M) utility commands on Solaris 9 may cause a system panic when attempting to unload the Logical Link Control Protocol Class 1 (llc1(7D)) driver while many instances of kstat are running.


Contributing Factors

This issue can occur in the following releases:

SPARC Platform

  • Solaris 9 without patch 117071-01

x86 Platform

  • Solaris 9 without patch 117072-01

To determine if llc1(7D) driver is loaded, use the following command:

    # modinfo | grep llc1
213  13dde7b   424f 107   1  llc1 (LLC Class 1 Driver 1.27)

Symptoms

Should the described issue occur, the panic stack traceback in "/var/adm/messages" or extracted from the crash dump will contain lines similar to the following:

    00002a100977420 unix:die+a4 (9, 2a1009776f0, 782c38fc, 0, 1f78, ff3d77a8)
000002a100977500 unix:trap+5cc (2a1009776f0, 0, 10000, 10200, 0, 0)
000002a100977640 unix:ktl0+48 (30006fa2000, 0, 98, 0, b8, 0)
000002a100977790 kstat:read_kstat_data+1b0 (2a100977aec, a3728, 100000...

Workaround

There is no workaround. Please see the "Resolution" section below.


Resolution

This issue is addressed in the following releases:

SPARC Platform

  • Solaris 9 with patch 117071-01 or later

x86 Platform

  • Solaris 9 with patch 117072-01 or later


Modification History
Date: 07-MAY-2004
  • State: Resolved
  • Updated Contributing Factors and Relief/Workaround sections


References

117071-01
117072-01




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