linux-kernel - Re: [PATCH] binfmt_elf_fdpic: fix clear

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Message-ID: <29627.1275395341@redhat.com>
Date:	Tue, 01 Jun 2010 13:29:01 +0100
From:	David Howells <dhowells@...hat.com>
To:	Mike Frysinger <vapier.adi@...il.com>
Cc:	dhowells@...hat.com,
	Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>,
	akpm@...ux-foundation.org, viro@...iv.linux.org.uk,
	d.hatayama@...fujitsu.com, lethal@...ux-sh.org,
	takuya.yoshikawa@...il.com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] binfmt_elf_fdpic: fix clear_user() error handling

Mike Frysinger <vapier.adi@...il.com> wrote:

> on nommu systems, this is generally not an issue because clear_user()
> is basically a memset().  but it's good to handle every case.

But FDPIC is used on MMU systems too.

David
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