Re: [BUG net-next] arch/x86/kernel/cpu/bugs.c:2935: "Unpatched return thunk in use. This should not happen!" [STACKTRACE]

From: Borislav Petkov
Date: Tue Mar 26 2024 - 06:17:30 EST


On Wed, Mar 20, 2024 at 02:28:57AM +0100, Mirsad Todorovac wrote:
> Please find the kernel .config attached.

Thanks, that's one huuuge kernel you're building. :)

> I got another one of these "Unpatched thunk" and it seems connected
> with selftest/kvm.
>
> But running selftests/kvm one by one did not trigger the bug.

Which commands are you exactly running?

I'll try to reproduce here.

Thx.

--
Regards/Gruss,
Boris.

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