[CRIU] [PATCH] arch/x86: push correct eip on the stack before lretq

[Dmitry Safonov]

On Tue, 10 Sep 2019 at 15:16, Cyrill Gorcunov <gorcunov at gmail.com> wrote:
>
> On Tue, Sep 10, 2019 at 06:50:58AM -0700, Andrei Vagin wrote:
> > Right now we use pushq, but it pushes sign-extended value, so if the
> > parasite code is placed higher that 2Gb, we will see something like
> > this:
> >
> >    0xf7efd5b0:        pushq  $0x23
> >    0xf7efd5b2:        pushq  $0xfffffffff7efd5b9
> > => 0xf7efd5b7:        lretq
> >
> > Actually we want to push 0xf7efd5b9 instead of 0xfffffffff7efd5b9.
> >
> > Fixes: #398
> >
> > Cc: Dmitry Safonov <dima at arista.com>
> > Cc: Cyrill Gorcunov <gorcunov at gmail.com>
> > Signed-off-by: Andrei Vagin <avagin at gmail.com>
> Reviewed-off-by: Cyrill Gorcunov <gorcunov at gmail.com>

Acked-by: Dmitry Safonov <0x7f454c46 at gmail.com>

Thanks!
             Dmitry