Messages in this thread | | | Date | Mon, 2 Nov 1998 00:54:22 -0500 | From | Chip Salzenberg <> | Subject | Re: Random Register Contents |
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According to Andi Kleen: > In article <19981031181957.I11587@perlsupport.com>, > Chip Salzenberg <chip@perlsupport.com> writes: > > According to John Reiser: > >> I'm working on a product where it is desirable for a process to have as > >> much run-to-run repeatability as possible. I've run into problems with > >> exec() introducing needless randomness via the registers. > > > And random register contents are a problem because ... ?? > > ... because conservative garbage collectors use the registers as root set.
Hm, I suppose this could happen.
> Also in theory it is a covert channel.
Now _this_ I buy. Bug status confirmed, IMO. -- Chip Salzenberg - a.k.a. - <chip@perlsupport.com> "There -- we made them swerve slightly!" //MST3K
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