From: Christoph Hellwig <hch@lst.de>
To: Kees Cook <keescook@chromium.org>
Cc: Christoph Hellwig <hch@lst.de>,
Luis Chamberlain <mcgrof@kernel.org>,
Iurii Zaikin <yzaikin@google.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sysctl: Make sure proc handlers can't expose heap memory
Date: Tue, 5 May 2020 07:58:19 +0200 [thread overview]
Message-ID: <20200505055819.GB3552@lst.de> (raw)
In-Reply-To: <202005041205.C7AF4AF@keescook>
On Mon, May 04, 2020 at 12:08:55PM -0700, Kees Cook wrote:
> Just as a precaution, make sure that proc handlers don't accidentally
> grow "count" beyond the allocated kbuf size.
>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> This applies to hch's sysctl cleanup tree...
This looks ok o me. You should probably add Al to the Cc list as
he has picked up my series into a branch of vfs.git.
Acked-by: Christoph Hellwig <hch@lst.de>
prev parent reply other threads:[~2020-05-05 5:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-04 19:08 [PATCH] sysctl: Make sure proc handlers can't expose heap memory Kees Cook
2020-05-04 19:59 ` Luis Chamberlain
2020-05-04 20:32 ` Kees Cook
2020-05-04 21:59 ` Luis Chamberlain
2020-05-05 6:34 ` Greg KH
2020-05-05 20:41 ` Kees Cook
2020-05-05 22:03 ` Luis Chamberlain
2020-05-05 23:23 ` Kees Cook
2020-05-05 5:58 ` Christoph Hellwig [this message]
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