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SubjectRe: [OT] Testing PROT_NONE and other protections, and a surprise
Kyle Moffett wrote:
> >The error code is -1, aka. MAP_FAILED.
> Oops! I guess I was just lucky that part didn't fail :-D On the
> other hand, it couldn't legally return 0 anyway, could it?

Yes it could -- if you request a mapping at address 0 with MAP_FIXED.
A few OSes won't do that, but Linux and many others will.

-- Jamie
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