Date: Thu, 23 Oct 1997 21:28:51 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: jamil@trojanhorse.ml.org (Jamil J. Weatherbee) Cc: tlambert@primenet.com, thorpej@nas.nasa.gov, joerg_wunsch@uriah.heep.sax.de, freebsd-hackers@FreeBSD.ORG Subject: Re: Possible SERIOUS bug in open()? (Big time bug) Message-ID: <199710232128.OAA06900@usr05.primenet.com> In-Reply-To: <Pine.BSF.3.96.971023105123.2986A-100000@trojanhorse.ml.org> from "Jamil J. Weatherbee" at Oct 23, 97 10:54:24 am
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> Yep, tried reading an ioport on my service providers freebsd machine, > works fine. /dev/io is probably not the first and probably won't be the > last driver with this problem, in other works force to F_READ or F_WRITE. > That is precisely what I did in my dio driver because I depend on F_WRITE > and/or F_READ to be set to tell me about what the user wants. I agree; this is a driver issue; the driver should enforce permissions when the user attempts the outb. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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