Re: [PATCH qemu] x86: don't let decompressed kernel image clobber setup_data

[Borislav Petkov]

On Sat, Dec 31, 2022 at 02:51:28PM +0100, Jason A. Donenfeld wrote:
> That failure is unrelated to the ident mapping issue Peter and
> I discussed. The original failure is described in the commit message:
> decompression clobbers the data, so sd->next points to garbage.

Right, and the fact that the kernel overwrites it still feels kinda wrong: the
kernel knows where setup_data is - the address is in the setup header so
*actually*, it should take care of not to clobber it.

But hpa would correct me if I'm missing an aspect about whose responsibility it
is to do what here...

Thx.

-- 
Regards/Gruss,
    Boris.

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