Re: kmemcheck caught read from freed memory (cfq_free_io_context)

From: Pekka Enberg
Date: Wed Apr 02 2008 - 07:18:44 EST


On Wed, 2008-04-02 at 14:11 +0300, Pekka Enberg wrote:
> > Nothing. So you cannot access the object at all after you've called
> > kmem_cache_free(). SLAB_RCU or no SLAB_RCU.

On Wed, Apr 2, 2008 at 2:14 PM, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:
> Well, you can, but you have to validate you get the object you were
> looking for.

Yes. I keep forgetting that. Sorry.
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