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SubjectRe: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten

* Evgeniy Polyakov <> wrote:

> It could be an interesting kmemcheck extension to catch not only
> non-initialized memory, but also writes into just freed one, but not
> yet returned by allocator to the next user.

hm, i think kmemcheck does that mostly already. If not then I think
kmemcheck should just turn off all buffering that might happen on the
SLUB level (if it doesnt do it already). I.e. a kfree()d buffer should
be marked as uninitialized immediately.


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