Messages in this thread | | | Date | Tue, 05 Jun 2007 15:46:34 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] Protection for exploiting null dereference using mmap |
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Eric Paris wrote: > > While I understand, there are a few users who will have problems with > this default are we really better to not provide this defense in depth > for the majority of users and let those with problems turn it off rather > than provide no defense by default? I could even provide a different > default for SELinux and non-SELinux if anyone saw value in that? But if > others think that off default is best I'll send another patch shortly > with the unsigned long fix and the default set to 0. My hope is then > that distros will figure out to turn this on. >
I hope not. This breaks any hardware virtualizer.
So yes, we're better off not having this on, and require it to be explicitly enabled by the end user.
Sorry.
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