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Message-ID: <20171218091715.GF4627@eros>
Date: Mon, 18 Dec 2017 20:17:15 +1100
From: "Tobin C. Harding" <me@...in.cc>
To: Michael Ellerman <mpe@...erman.id.au>
Cc: kernel-hardening@...ts.openwall.com,
Steven Rostedt <rostedt@...dmis.org>,
Tycho Andersen <tycho@...ho.ws>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Kees Cook <keescook@...omium.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Daniel Borkmann <daniel@...earbox.net>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
Alexei Starovoitov <ast@...nel.org>, linux-kernel@...r.kernel.org,
Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH 0/3] kallsyms: don't leak address
On Mon, Dec 18, 2017 at 05:00:48PM +1100, Tobin C. Harding wrote:
> On Mon, Dec 18, 2017 at 04:31:25PM +1100, Michael Ellerman wrote:
> > "Tobin C. Harding" <me@...in.cc> writes:
> >
> > > This set plugs a kernel address leak that occurs if kallsyms symbol
> > > look up fails. This set was prompted by a leaking address found using
> > > scripts/leaking_addresses.pl on a PowerPC machine in the wild.
> >
> > Any details on that? I haven't heard about it.
>
> I have an account on a server in USA. I'm not sure how much detail I
> should give on the mailing list in case it is sensitive information. I
> will email you off list. Responding here for the benefit of the list.
Geez I'm a goose. Here is the details with a sanitized address.
/proc/8025/task/8025/stack: [<0000000000000000>] 0xc0000001XXXXXXXX
$ uname -r
4.4.0-79-powerpc64-smp
thanks,
Tobin.
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