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SubjectRe: Is kernel optimized with dead store removal?
Mikael Pettersson wrote:
> It's only vulnerable if the data leaks to a less trusted domain.
> There is no domain crossing in your user-space example.
> In the kernel case, the domain crossing would be as I wrote: leaking
> recycled and uninitialized memory to user-space (and those leaks of
> uninitialized memory are frowned upon and quickly fixed when discovered).

Quickly fixed when discovered, but not necessary quickly discovered...
--
Stefan Richter
-=====-==-=- --=- ==--=
http://arcgraph.de/sr/


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