Subject: kern/27098: procfs locking botch
To: None <gnats-bugs@gnats.NetBSD.org>
From: None <yamt@mwd.biglobe.ne.jp>
List: netbsd-bugs
Date: 10/01/2004 14:25:07
>Number: 27098
>Category: kern
>Synopsis: procfs locking botch
>Confidential: no
>Severity: critical
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Fri Oct 01 05:26:00 UTC 2004
>Closed-Date:
>Last-Modified:
>Originator: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
>Release: NetBSD 2.0H
>Organization:
>Environment:
System: NetBSD kaeru 2.0H NetBSD 2.0H (build.kaeru) #1730: Fri Oct 1 09:59:46 JST 2004 takashi@kaeru:/home/takashi/work/kernel/build.kaeru i386
Architecture: i386
Machine: i386
>Description:
procfs_readdir does uiomove(), which can block,
with holding proclist_lock, which is a spinlock.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: