Re: [PATCH] sysctl: don't read uninit memory in deprecated_sysctl_warning()

From	Andrew Morton <akpm@linux-foundation.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] sysctl: don't read uninit memory in deprecated_sysctl_warning()
Date	2017-06-30 00:40 +0200
Message-ID	<tXQgq-5oe-27@gated-at.bofh.it> (permalink)
References	<tXmLo-8q5-39@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

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

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH] sysctl: don't read uninit memory in deprecated_sysctl_warning() Alexander Potapenko <glider@google.com> - 2017-06-28 17:10 +0200
  Re: [PATCH] sysctl: don't read uninit memory in  deprecated_sysctl_warning() Andrew Morton <akpm@linux-foundation.org> - 2017-06-30 00:40 +0200

csiph-web