Re: [PATCH -stable] disable CONFIG_DYNAMIC_FTRACE due to possiblememory corruption on module unload

From: Greg KH
Date: Wed Oct 15 2008 - 18:55:36 EST


On Wed, Oct 15, 2008 at 06:46:12PM -0400, Steven Rostedt wrote:
>
> 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.

Ok, that makes sense why so many people hit this.

I'll go do a 2.6.27.1 with this patch in it right now, thanks for
spending the time to look into this.

greg k-h
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