Subject: kern/20426: accesses to ifindex2ifnet[] has to be protected
To: None <gnats-bugs@gnats.netbsd.org>
From: None <itojun@itojun.org>
List: netbsd-bugs
Date: 02/19/2003 19:10:04
>Number: 20426
>Category: kern
>Synopsis: accesses to ifindex2ifnet[] has to be protected
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed Feb 19 02:11:00 PST 2003
>Closed-Date:
>Last-Modified:
>Originator: Jun-ichiro itojun Hagino
>Release: NetBSD 1.6O
>Organization:
>Environment:
System: NetBSD starfruit.itojun.org 1.6O NetBSD 1.6O (STARFRUIT) #45: Wed Feb 19 17:51:54 JST 2003 itojun@starfruit.itojun.org:/home/itojun/NetBSD/src/sys/arch/i386/compile/STARFRUIT i386
Architecture: i386
Machine: i386
>Description:
"ifconfig destroy" sometimes panic the system. possible cause
seems to be attempts to access struct ifnet from ifindex2ifnet[]
(i'm guessing).
>How-To-Repeat:
>Fix:
on "ifconfig destroy" do not remove pointer to struct ifnet from
ifindex2ifnet[].
>Release-Note:
>Audit-Trail:
>Unformatted: