linux-kernel - Re: WARNING: CPU: 0 PID: 1752 at arch/x86/kernel/traps.c:788

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Date:   Tue, 6 Jun 2017 15:46:12 -0700
From:   Andy Lutomirski <luto@...nel.org>
To:     Richard Weinberger <richard@....at>,
        Paolo Bonzini <pbonzini@...hat.com>
Cc:     Andy Lutomirski <luto@...nel.org>, linux-x86_64@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Thomas Meyer <thomas@...3r.de>
Subject: Re: WARNING: CPU: 0 PID: 1752 at arch/x86/kernel/traps.c:788

On Thu, Jun 1, 2017 at 3:46 PM, Richard Weinberger <richard@....at> wrote:
> Hi!
>
> UserModeLinux hits the following warning on the host.
> I've extracted the evil ptrace() command sequence, please see attached program,
> it triggers the warning too.

This sounds like a known QEMU bug.  Paolo, did this get fixed in QEMU?
 If so, what version?