linux-kernel - Re: [PATCH] proc: check vma->vm

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Message-Id: <20121015144048.8fa16d28.akpm@linux-foundation.org>
Date:	Mon, 15 Oct 2012 14:40:48 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Stanislav Kinsbursky <skinsbursky@...allels.com>
Cc:	viro@...iv.linux.org.uk, linux-kernel@...r.kernel.org,
	criu@...nvz.org, ebiederm@...ssion.com, rientjes@...gle.com,
	gorcunov@...nvz.org, devel@...nvz.org
Subject: Re: [PATCH] proc: check vma->vm_file before dereferencing

On Mon, 15 Oct 2012 19:30:03 +0400
Stanislav Kinsbursky <skinsbursky@...allels.com> wrote:

> It can be equal to NULL.
> 

Please write better changelogs, so people do not have to ask questions
such as:

- Under what conditions does this bug trigger?

- In which kernel version(s)?

- Is it a post-3.6 regression?

Thanks.

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