Hi Joerg,
On 2/5/07, Joerg Roedel <[email protected]> wrote:
Hmm, this seems to be the same issue as in [1] and [2]. A page that is
assumed to belong to the slab but is not longer marked as a slab page.
Could this be a bug in the memory management?
The BUG_ON triggers whenever you feed an invalid pointer to kfree() or
kmem_cache_free() so I am guessing the caller is simply broken. Note
that kernels prior to 2.6.18 would quietly corrupt the slab unless
CONFIG_SLAB_DEBUG was enabled which might explain why this hasn't been
noticed before.
Pekka
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