linux-kernel - Re: [PATCH -stable] disable CONFIG_DYNAMIC_FTRACE due to possible memory corruption on module unload

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Message-ID: <alpine.DEB.1.10.0810151843130.19408@gandalf.stny.rr.com>
Date:	Wed, 15 Oct 2008 18:46:12 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>, stable@...nel.org
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>, gregkh@...e.de,
	jesse.brandeburg@...el.com, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH -stable] disable CONFIG_DYNAMIC_FTRACE due to possible
 memory corruption on module unload


On Wed, 15 Oct 2008, Steven Rostedt wrote:
> 
> The problem arises when we trace functions and modules are unloaded.

Note, it is not just module unloading. The issue can happen when the
init functions of a module are freed and the nvram is vmapped there as
well.

-- Steve
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