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Re: [patch 0/2] x86/process: Sanitize bound checks in get_wchan() and unify 32/64 bit

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On Wed, Sep 30, 2015 at 08:38:21AM -0000, Thomas Gleixner wrote:
> As reported by several people the bound checks in get_wchan() on x86/64bit
> are wrong.
> 
> The following series addresses that problem and as a consequence
> unifies the needlessly different implementations of 32 and 64 bit.
> 
> Thanks,
> 
> 	tglx
> 
> ---
>  process.c    |   55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  process_32.c |   28 ----------------------------
>  process_64.c |   24 ------------------------
>  3 files changed, 55 insertions(+), 52 deletions(-)

Hohumm, looks good to me. Especially the documentation of the stack
layout and why we're doing all that dance.

Reviewed-by: Borislav Petkov <bp@suse.de>

Should we CC: stable?

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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[patch 0/2] x86/process: Sanitize bound checks in get_wchan() and  unify 32/64 bit Thomas Gleixner <tglx@linutronix.de> - 2015-09-30 10:40 +0200
  [patch 1/2] x86/process: Add proper bound checks in 64bit get_wchan() Thomas Gleixner <tglx@linutronix.de> - 2015-09-30 10:40 +0200
    [tip:x86/urgent] x86/process:   Add proper bound checks in 64bit get_wchan() tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2015-09-30 22:00 +0200
    Re: [patch 1/2] x86/process: Add proper bound checks in 64bit get_wchan() Sasha Levin <sasha.levin@oracle.com> - 2015-10-03 03:20 +0200
      Re: [patch 1/2] x86/process: Add proper bound checks in 64bit get_wchan() Andy Lutomirski <luto@amacapital.net> - 2015-10-03 03:40 +0200
      Re: [patch 1/2] x86/process: Add proper bound checks in 64bit  get_wchan() Thomas Gleixner <tglx@linutronix.de> - 2015-10-03 13:00 +0200
        Re: [patch 1/2] x86/process: Add proper bound checks in 64bit get_wchan() Andrey Ryabinin <ryabinin.a.a@gmail.com> - 2015-10-03 13:40 +0200
          Re: [patch 1/2] x86/process: Add proper bound checks in 64bit get_wchan() Dmitry Vyukov <dvyukov@google.com> - 2015-10-04 14:20 +0200
            Re: [patch 1/2] x86/process: Add proper bound checks in 64bit get_wchan() Dmitry Vyukov <dvyukov@gmail.com> - 2015-10-04 20:10 +0200
  [patch 2/2] x86/process: Unify 32bit and 64bit implementations of  get_wchan() Thomas Gleixner <tglx@linutronix.de> - 2015-09-30 10:40 +0200
    [tip:x86/urgent] x86/process:   Unify 32bit and 64bit implementations of get_wchan() tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2015-09-30 22:10 +0200
  Re: [patch 0/2] x86/process: Sanitize bound checks in get_wchan()  and unify 32/64 bit Borislav Petkov <bp@alien8.de> - 2015-09-30 11:10 +0200
    Re: [patch 0/2] x86/process: Sanitize bound checks in get_wchan() and  unify 32/64 bit Dmitry Vyukov <dvyukov@google.com> - 2015-09-30 11:20 +0200

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