Date: Mon, 26 Jul 1999 00:21:15 -0600 From: Warner Losh <imp@village.org> To: Sheldon Hearn <sheldonh@uunet.co.za> Cc: jkoshy@FreeBSD.ORG, Nate Williams <nate@mt.sri.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: deny ktrace without read permissions? Message-ID: <199907260621.AAA37661@harmony.village.org> In-Reply-To: Your message of "Mon, 26 Jul 1999 07:41:05 %2B0200." <64855.932967665@axl.noc.iafrica.com> References: <64855.932967665@axl.noc.iafrica.com>
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In message <64855.932967665@axl.noc.iafrica.com> Sheldon Hearn writes: : This doesn't look right. If I can execute a binary, I can have the : system allocate memory to me and but the binary image in it. It's my : memory. :-) Also, one can use a custom libc to get around the readonly ness, since functions in libc can access the entire memory space (at least on intel). Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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