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From: Andrew Morton <akpm@linux-foundation.org>
To: Alexander Potapenko <glider@google.com>
Cc: dvyukov@google.com, kcc@google.com, davem@davemloft.net,
	linux-kernel@vger.kernel.org,
	Mateusz Jurczyk <mjurczyk@google.com>
Subject: Re: [PATCH] sysctl: don't read uninit memory in deprecated_sysctl_warning()
Date: Thu, 29 Jun 2017 15:32:06 -0700	[thread overview]
Message-ID: <20170629153206.73185df8e314efb232bf77b0@linux-foundation.org> (raw)
In-Reply-To: <20170628150037.3809-1-glider@google.com>

On Wed, 28 Jun 2017 17:00:37 +0200 Alexander Potapenko <glider@google.com> wrote:

> Don't attempt to read the first two elements of name[] unless they
> were actually copied from the userspace.
> 
> This bug has been detected by KMSAN.

Thanks.  I already have the identical
http://ozlabs.org/~akpm/mmots/broken-out/sysctl-check-name-array-length-in-deprecated_sysctl_warning.patch

      reply	other threads:[~2017-06-29 22:32 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-28 15:00 Alexander Potapenko
2017-06-29 22:32 ` Andrew Morton [this message]

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