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SubjectRe: [PATCH] kmemcheck: support for x86_64

> Most of them look something like this:
> kmemcheck: Caught 8-bit read from freed memory (ffff81000780a904)
> ifffffffifffffffifffffffifffffffifffffffifffffffifffffffifffffff
> ^
> and my theory so far is that X86_64 uses some currently unhandled
> instruction set extensions like MMX, SSE, etc. (Not 3DNow! because we
> have a dependency for that), for a fairly common operation

No it shouldn't. Only SSE users are in the (broken) MD RAID code

Most likely you don't decode REX correctly in some cases.

[haven't read the patch sorry]


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