linux-kernel - Yet another KPTI regression with 4.14.x series in a VM

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Message-ID: <c7ecacdc-993e-d24f-b8d9-2af7615fd6f6@redhat.com>
Date:   Fri, 12 Jan 2018 10:19:27 -0800
From:   Laura Abbott <labbott@...hat.com>
To:     X86 ML <x86@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:     stable@...r.kernel.org
Subject: Yet another KPTI regression with 4.14.x series in a VM

Hi,

Fedora got a bug report on 4.14.11 of a panic when booting a
Fedora guest in a CentOS 6 VM, not reproducible with nopti.
The issue is still present as of 4.14.13 as well. The only
report is a panic screenshot
https://bugzilla.redhat.com/show_bug.cgi?id=1532458

I've lost track of all the fixes that have been flying around,
is this a new issue or has a fix not yet made it to stable?

Thanks,
Laura