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From: Ingo Molnar <mingo@elte.hu>
To: Stephane Eranian <eranian@google.com>
Cc: Dave Jones <davej@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [BUG] perf: bogus correlation of kernel symbols
Date: Fri, 13 May 2011 11:01:29 +0200	[thread overview]
Message-ID: <20110513090129.GG13647@elte.hu> (raw)
In-Reply-To: <BANLkTi=EfPMQ4Z7+_SrKAeOYHfDC6t9vyQ@mail.gmail.com>


* Stephane Eranian <eranian@google.com> wrote:

> Good point about System.map! Even if /proc/kallsyms contains zero addresses, 
> I can still get them from /boot/System.map which is readable by everyone, I 
> think. It does not contain the modules addresses, but you have the core 
> functions, unless I am somehow mistaken.

Yes. I pointed out this and some other details a couple of months ago, for a 
similarly motivated /proc/kallsyms obfuscation patch:

  http://lkml.org/lkml/2010/11/4/113
  http://lkml.org/lkml/2010/11/4/145

Thanks,

	Ingo

  reply	other threads:[~2011-05-13  9:01 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-12 14:48 [BUG] perf: bogus correlation of kernel symbols Stephane Eranian
2011-05-12 18:06 ` David Miller
2011-05-12 18:37   ` Dave Jones
2011-05-12 19:01     ` David Miller
2011-05-12 19:58       ` Pekka Enberg
2011-05-13  6:12         ` Kees Cook
2011-05-13  6:24           ` Pekka Enberg
2011-05-12 20:24       ` Alexey Dobriyan
2011-05-12 21:06   ` Ingo Molnar
2011-05-12 20:31 ` Linus Torvalds
2011-05-12 20:43   ` David Miller
2011-05-12 21:00     ` [PATCH] vsprintf: Turn kptr_restrict off by default Ingo Molnar
2011-05-12 21:08       ` David Miller
2011-05-12 21:07   ` [BUG] perf: bogus correlation of kernel symbols Stephane Eranian
2011-05-12 21:30     ` Stephane Eranian
2011-05-12 21:35       ` Ingo Molnar
2011-05-12 21:38         ` Stephane Eranian
2011-05-12 21:50           ` Ingo Molnar
2011-05-12 21:56             ` Stephane Eranian
2011-05-12 22:00               ` Ingo Molnar
2011-05-12 22:07             ` Dave Jones
2011-05-12 22:15               ` Stephane Eranian
2011-05-13  9:01                 ` Ingo Molnar [this message]
2011-05-13  8:57               ` Ingo Molnar
2011-05-13 16:23                 ` Andi Kleen
2011-05-17 12:17                   ` Ingo Molnar
2011-05-12 21:36     ` Ingo Molnar
2011-05-12 21:41       ` Stephane Eranian
2011-05-12 21:54         ` Ingo Molnar
     [not found] <1305292059.1949.0.camel@dan>
2011-05-13 13:29 ` Dan Rosenberg
2011-05-16 15:35   ` Ingo Molnar
2011-05-16 16:14     ` Dan Rosenberg
2011-05-20  0:56     ` Dan Rosenberg
2011-05-20 12:07       ` Ingo Molnar
2011-05-20 12:54         ` Dan Rosenberg
2011-05-20 13:11           ` Ingo Molnar
2011-05-20 17:41             ` Dan Rosenberg
2011-05-20 18:14               ` Linus Torvalds
2011-05-20 18:27                 ` Kees Cook
2011-05-20 18:34                   ` Dan Rosenberg
2011-05-20 18:42                     ` Ingo Molnar
2011-05-20 18:28                 ` Ingo Molnar
2011-05-22  6:11                 ` david
2011-05-20 18:35               ` Ingo Molnar
2011-05-22 18:45             ` Dan Rosenberg
     [not found]               ` <BANLkTik1SK_kWVvGsKk0SqdByQ5-0b5nFg@mail.gmail.com>
2011-05-23  0:25                 ` Dan Rosenberg
2011-05-23  0:37                   ` H. Peter Anvin
2011-05-23 10:49                   ` Ingo Molnar
2011-05-23 19:02                     ` Ray Lee
2011-05-23 19:35                       ` Ingo Molnar
2011-05-24  1:59                     ` Valdis.Kletnieks
2011-05-24  4:06                       ` Ingo Molnar

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