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

From: Andy Lutomirski
Date: Tue Jun 06 2017 - 18:46:45 EST


On Thu, Jun 1, 2017 at 3:46 PM, Richard Weinberger <richard@xxxxxx> 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?