Re: Compat 32-bit syscall entry from 64-bit task!? [was: Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF]

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To: Andi Kleen <andi@xxxxxxxxxxxxxx>
Subject: Re: Compat 32-bit syscall entry from 64-bit task!? [was: Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF]
From: Steven Rostedt <rostedt@xxxxxxxxxxx>
Date: Tue, 17 Jan 2012 21:00:11 -0500
Cc: Indan Zupancic <indan@xxxxxx>, Andrew Lutomirski <luto@xxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Will Drewry <wad@xxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, keescook@xxxxxxxxxxxx, john.johansen@xxxxxxxxxxxxx, serge.hallyn@xxxxxxxxxxxxx, coreyb@xxxxxxxxxxxxxxxxxx, pmoore@xxxxxxxxxx, eparis@xxxxxxxxxx, djm@xxxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, segoon@xxxxxxxxxxxx, jmorris@xxxxxxxxx, scarybeasts@xxxxxxxxx, avi@xxxxxxxxxx, penberg@xxxxxxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, mingo@xxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, khilman@xxxxxx, borislav.petkov@xxxxxxx, amwang@xxxxxxxxxx, ak@xxxxxxxxxxxxxxx, eric.dumazet@xxxxxxxxx, gregkh@xxxxxxx, dhowells@xxxxxxxxxx, daniel.lezcano@xxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx, olofj@xxxxxxxxxxxx, mhalcrow@xxxxxxxxxx, dlaor@xxxxxxxxxx, Roland McGrath <mcgrathr@xxxxxxxxxxxx>
In-reply-to: <20120118015013.GR11715@one.firstfloor.org>

On Wed, 2012-01-18 at 02:50 +0100, Andi Kleen wrote:

> Every user program change it behind your back.
> 
> Your ptrace jailer isn't.

I'm sorry but I can't read the above two lines without hearing Yoda's
voice. "Hmm hmm"

-- Steve


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References:
- Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF
  - From: Will Drewry
- Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF
  - From: Will Drewry
- Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF
  - From: Oleg Nesterov
- Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF
  - From: Will Drewry
- Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF
  - From: Oleg Nesterov
- Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF
  - From: Will Drewry
- Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF
  - From: Andrew Lutomirski
- Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF
  - From: Oleg Nesterov
- Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF
  - From: Andrew Lutomirski
- Compat 32-bit syscall entry from 64-bit task!? [was: Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF]
  - From: Indan Zupancic
- Re: Compat 32-bit syscall entry from 64-bit task!? [was: Re: [RFC,PATCH 1/2] seccomp_filters: system call filtering using BPF]
  - From: Andi Kleen

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