Re: [PATCH] x86: Fix insn decoder for longer instruction

[Ingo Molnar]

* Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx> wrote:

> Fix x86 insn decoder for hardening against invalid length
> instructions. This adds length checkings for each byte-read
> site and if it exceeds MAX_INSN_SIZE, returns immediately.
> This can happen when decoding user-space binary.
> 
> Caller can check whether it happened by checking insn.*.got
> member is set or not.

Thanks.

We really need the /dev/urandom based build-time tester as well.

Thanks,

	Ingo
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