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) // ------------------------------------------------------------------- // ------ FreeBSD: The Power to Serve. http://www.freebsd.org -------- // --- Small & Embedded FreeBSD: http://www.freebsd.org/~picobsd/ ---- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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