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Date:      Thu, 27 Jan 2000 09:18:16 +0100 (CET)
From:      Andrzej Bialecki <abial@webgiro.com>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        Scott Hess <scott@avantgo.com>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: aio_read crashing certain kernels.
Message-ID:  <Pine.BSF.4.20.0001270916530.67088-100000@mx.webgiro.com>
In-Reply-To: <200001270457.UAA18887@apollo.backplane.com>

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On Wed, 26 Jan 2000, Matthew Dillon wrote:

>     This is an incredibly scary program! It's sending an iocb to aio_read 
>     and then pops the stack and exits.  The act of exiting could very well
>     scribble all over the iocb structure while the I/O is in progress and, 
>     of course, then the program invalidates the stack and exits.

Even if that's the case, it's still a userland program that is able to
panic the system. So, no matter what the program does, it's still a bug in
the way we handle aio.


Andrzej Bialecki

//  <abial@webgiro.com> WebGiro AB, Sweden (http://www.webgiro.com)
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// ------ FreeBSD: The Power to Serve. http://www.freebsd.org --------
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