linux-kernel - Re: [PATCH] binfmt_flat: missing argv table

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Message-ID: <BANLkTins0CB0V+oxszTUZfP75Cj5t0M7rw@mail.gmail.com>
Date:	Wed, 15 Jun 2011 11:52:33 -0400
From:	Mike Frysinger <vapier.adi@...il.com>
To:	ysato@...rs.sourceforge.jp
Cc:	linux-kernel@...r.kernel.org,
	uClinux development list <uclinux-dev@...inux.org>
Subject: Re: [PATCH] binfmt_flat: missing argv table

On Wed, Jun 15, 2011 at 03:30, Yoshinori Sato wrote:
> "put_user" is multiple times evalute on argument
> (in asm-generic/uaccess.h).
> So this code building argv table include gabage.

NAK.  asm-generic/uaccess.h is broken.  i posted some fixes some time
ago to lkml for the header to clean it all up, but it had some minor
build warnings that needed to be addressed.

if you want to actually fix this issue, please start with my patch and
get the issues around it resolved:
  asm-generic: uaccess: do not expand args multiple times
-mike
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