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From: Riku Voipio <riku.voipio@iki.fi>
To: Alexander Graf <agraf@suse.de>
Cc: adrian@suse.de, riku.voipio@iki.fi, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 0/5] linux-user: fake some /proc/self	entries
Date: Thu, 3 Nov 2011 12:47:26 +0200	[thread overview]
Message-ID: <20111103104726.GA24342@afflict.kos.to> (raw)
In-Reply-To: <1320261806-13194-1-git-send-email-agraf@suse.de>

On Wed, Nov 02, 2011 at 08:23:21PM +0100, Alexander Graf wrote:
> When running linux-user programs in QEMU, the guest program can examine
> itself by checking /proc/self/ files. And some libraries really do use
> this!
> 
> Unfortunately, when checking /proc/self/ today, the guest program sees
> the QEMU files, exposing wrong information to the guest program.
 
> This patch set fakes auxv, maps and stat to make gtk, pthread and boehm
> gc happy.

This is awesome stuff, but unfortunately just a day after 1.0 hard freeze :(
David pointed out that more files in proc could be done, but this is a good start.

Riku
 
> Alex
> 
> Alexander Graf (5):
>   linux-user: save auxv length
>   linux-user: add open() hijack infrastructure
>   linux-user: fake /proc/self/maps
>   linux-user: fake /proc/self/stat
>   linux-user: fake /proc/self/auxv
> 
>  linux-user/elfload.c |   15 ++-----
>  linux-user/qemu.h    |    1 +
>  linux-user/syscall.c |  123 ++++++++++++++++++++++++++++++++++++++++++++++++-
>  3 files changed, 125 insertions(+), 14 deletions(-)
> 

  parent reply	other threads:[~2011-11-03 10:47 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-02 19:23 [Qemu-devel] [PATCH 0/5] linux-user: fake some /proc/self entries Alexander Graf
2011-11-02 19:23 ` [Qemu-devel] [PATCH 1/5] linux-user: save auxv length Alexander Graf
2011-11-02 19:23   ` [Qemu-devel] [PATCH 2/5] linux-user: add open() hijack infrastructure Alexander Graf
2011-11-02 19:23     ` [Qemu-devel] [PATCH 3/5] linux-user: fake /proc/self/maps Alexander Graf
2011-11-02 19:23       ` [Qemu-devel] [PATCH 4/5] linux-user: fake /proc/self/stat Alexander Graf
2011-11-02 19:23         ` [Qemu-devel] [PATCH 5/5] linux-user: fake /proc/self/auxv Alexander Graf
2011-11-03 19:28       ` [Qemu-devel] [PATCH 3/5] linux-user: fake /proc/self/maps Alexander Graf
2011-11-03  9:34     ` [Qemu-devel] [PATCH 2/5] linux-user: add open() hijack infrastructure David Gilbert
2011-11-03 18:33       ` Alexander Graf
2011-11-03 10:47 ` Riku Voipio [this message]
2011-11-03 18:34   ` [Qemu-devel] [PATCH 0/5] linux-user: fake some /proc/self entries Alexander Graf

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