Subject: Re: Foward: FreeBSD Security Advisory: FreeBSD-SA-00:19.semconfig
To: None <>
From: Takahiro Kambe <>
List: current-users
Date: 05/27/2000 09:40:17
In message <>
	on Fri, 26 May 2000 16:48:28 -0700,
	Jason R Thorpe <> wrote:
>  > This advisory says that the problem also exists in NetBSD.
> The advisory is wrong[*].
Wow, What a good news!

> If you examine the code in NetBSD (which FreeBSD should have done before
> claiming that NetBSD was vulnerable as claimed in the alert), you will
> note that if the exiting process is not using semaphores (i.e. has no
> `sem_undo' structure allocated for it), then the exiting process will
> not block, but rather semexit() will simply return.
I didn't check code but forwarded the message FYI.  Thanks much for
your description.

Takahiro Kambe <>