[CRIU] [PATCH] restore: Don't unmap vdso proxy on final cleanup

[Cyrill Gorcunov]

On Wed, Oct 30, 2013 at 04:10:56PM +0400, Andrew Vagin wrote:
> > diff --git a/cr-restore.c b/cr-restore.c
> > index e219bca..eca540a 100644
> > --- a/cr-restore.c
> > +++ b/cr-restore.c
> > @@ -2395,6 +2395,7 @@ static int sigreturn_restore(pid_t pid, CoreEntry *core)
> >  
> >  	task_args->bootstrap_start = bootstrap_start;
> -  	task_args->bootstrap_len = restore_bootstrap_len;
> +	task_args->bootstrap_len = restore_bootstrap_len - vdso_rt_size;
> 
> one line fix;)

This is very bad idea. bootstrap_len always supposed to carry the value
of the whole memory slab we need before jumping into pie code. This one
line fix simply mess code even more.