Date: Tue, 14 Oct 1997 11:29:45 +1000 (EST) From: Warren Toomey <wkt@henry.cs.adfa.oz.au> Cc: freebsd-security@FreeBSD.ORG Subject: Re: Zeroing pages, was Re: C2 Message-ID: <199710140129.LAA09227@henry.cs.adfa.oz.au> In-Reply-To: <199710140042.RAA16597@usr07.primenet.com> from Terry Lambert at "Oct 14, 97 00:42:39 am"
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In article by Terry Lambert: > > > Basically, we need to purge all memory when it is allocated, or > > > deallocated. > This is interesting. Can you give a small sample program for accessing > data from another program? As far as I know, pages are either filled > from a swap store (and contain data accessable to you) or zero-filled; > I can't think of a way (off the top of my head) to make this not true. > Terry Lambert There's no way of accessing the unused contents of mbufs from user space? Any other kernel buffers? I doubt it, but that's the only other way I can think of. Warren Toomey
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