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Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary random

From Florian Weimer <fw@deneb.enyo.de>
Newsgroups linux.kernel
Subject Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary random
Date 2016-10-31 22:30 +0100
Message-ID <sysjv-7Pf-17@gated-at.bofh.it> (permalink)
References (3 earlier) <syrGN-7md-15@gated-at.bofh.it> <syrQt-7pC-19@gated-at.bofh.it> <sys09-7Ib-1@gated-at.bofh.it> <sys9Q-7LH-9@gated-at.bofh.it> <sysjv-7Pf-11@gated-at.bofh.it>
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* Jann Horn:

> Until recently: Zero, no guard pages below stacks, stack overflow
> goes straight into some other allocation.
> Now: One guard page, thanks to a lot of work by Andy Lutomirski.
> (I think that change is in the current 4.9-rc3 kernel, but not in
> any stable kernel yet.)

Sorry, I meant for the stack allocation in user space.

(I'm very much a user space person only.)

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Thread

[PATCH] fork: make whole stack_canary random Jann Horn <jann@thejh.net> - 2016-10-31 15:10 +0100
  Re: [PATCH] fork: make whole stack_canary random Kees Cook <keescook@chromium.org> - 2016-10-31 17:10 +0100
    Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary  random Jann Horn <jann@thejh.net> - 2016-10-31 17:30 +0100
      Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary random Florian Weimer <fw@deneb.enyo.de> - 2016-10-31 21:50 +0100
        Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary  random Jann Horn <jann@thejh.net> - 2016-10-31 22:00 +0100
        Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary  random Daniel Micay <danielmicay@gmail.com> - 2016-10-31 22:00 +0100
          Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary  random Daniel Micay <danielmicay@gmail.com> - 2016-10-31 22:10 +0100
            Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary random Florian Weimer <fw@deneb.enyo.de> - 2016-10-31 22:20 +0100
              Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary  random Jann Horn <jann@thejh.net> - 2016-10-31 22:30 +0100
                Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary random Florian Weimer <fw@deneb.enyo.de> - 2016-10-31 22:30 +0100
                Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary  random Daniel Micay <danielmicay@gmail.com> - 2016-10-31 22:30 +0100
              Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary  random Daniel Micay <danielmicay@gmail.com> - 2016-10-31 22:30 +0100
                Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary random Florian Weimer <fw@deneb.enyo.de> - 2016-10-31 22:40 +0100
                Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary  random Daniel Micay <danielmicay@gmail.com> - 2016-10-31 23:10 +0100
                Re: [kernel-hardening] Re: [PATCH] fork: make whole stack_canary random Florian Weimer <fw@deneb.enyo.de> - 2016-10-31 23:20 +0100

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