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

From: Jason A. Donenfeld
Date: Sat Dec 31 2022 - 08:51:40 EST


On Sat, Dec 31, 2022 at 02:48:12PM +0100, Borislav Petkov wrote:
> On Sat, Dec 31, 2022 at 02:44:08PM +0100, Jason A. Donenfeld wrote:
> > Are you using patch v1 minus the 62 MiB thing?
>
> No, I want to see the original failure - the one that prompted you to send
>
> https://lore.kernel.org/r/20221228143831.396245-1-Jason@xxxxxxxxx

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.