Messages in this thread | | | Date | Thu, 7 Jul 2016 21:34:53 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH 1/9] mm: Hardened usercopy |
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On Thu, 7 Jul 2016, Kees Cook wrote: > On Thu, Jul 7, 2016 at 3:42 AM, Thomas Gleixner <tglx@linutronix.de> wrote: > > I'd rather make that a weak function returning 1 which can be replaced by > > x86 for CONFIG_FRAME_POINTER=y. That also allows other architectures to > > implement their specific frame checks. > > Yeah, though I prefer CONFIG-controlled stuff over weak functions, but > I agree, something like arch_check_stack_frame(...) or similar. I'll > build something for this on the next revision.
I'm fine with CONFIG_CONTROLLED as long as the ifdeffery is limited to header files.
Thanks,
tglx
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