linux-kernel - Re: Linux 2.6.22.18

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Message-Id: <1202729485.24584.5.camel@bazbox.opcode-solutions.com>
Date:	Mon, 11 Feb 2008 11:31:25 +0000
From:	Matthew Keenan <matt@...ode-solutions.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...nel.org
Subject: Re: Linux 2.6.22.18


On Sun, 2008-02-10 at 23:43 -0800, Greg Kroah-Hartman wrote:
> diff --git a/Makefile b/Makefile
> index 6a949eb..99c5e87 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1,7 +1,7 @@
>  VERSION = 2
>  PATCHLEVEL = 6
>  SUBLEVEL = 22
> -EXTRAVERSION = .17
> +EXTRAVERSION = .18
>  NAME = Holy Dancing Manatees, Batman!
>  
>  # *DOCUMENTATION*
> diff --git a/fs/splice.c b/fs/splice.c
> index e263d3b..dbbe267 100644
> --- a/fs/splice.c
> +++ b/fs/splice.c
> @@ -1182,6 +1182,9 @@ static int get_iovec_page_array(const struct iovec __user *iov,
>  		if (unlikely(!base))
>  			break;
>  
> +		if (!access_ok(VERIFY_READ, base, len))
> +			break;
> +
>  		/*
>  		 * Get this base offset and number of pages, then map
>  		 * in the user pages.

Maybe I'm missing something here, but is there are reason that the patch
for 2.6.22 differs from 2.6.2[34]? The "if(unlikely(!base))" is removed
in the latter.

Matt


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