Re: Fw: IPsec/crypto kernel panic in 2.6.[456]

[Christophe Saout]

Hello,

Small update: Tobias RingstrÃm told me that the Oops goes away when he
applies the bugfix I sent Andrew. We're still trying to find out what
exactly was happening.

> The two problems I found:
> 
> After calling scatterwalk_copychunks walk_in might point to the next
> page which will break scatterwalk_samebuf (in this case src_p should
> point to tmp_src anyway and scatterwalk_samembuf returns 0).
> 
> scatterwalk_samebuf should also check for equal offsets inside the
> page (just bad for performance in some cases).


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