[CRIU] netlink error EBADF?

[Cyrill Gorcunov]

On Thu, Nov 19, 2015 at 04:06:48PM +0300, Pavel Emelyanov wrote:
> On 11/19/2015 03:24 AM, Tycho Andersen wrote:
> > Hi guys,
> > 
> > With current trunk, I'm getting an error:
> > 
> > (00.033218)      1: Restoring link eth0 type 2
> > (00.033221)      1: Restoring netdev eth0 idx 152
> > (00.033224)      1: Restore ll addr (00:../6) for device
> > (00.033237)      1: Warn  (libnetlink.c:65): ERROR -9 reported by netlink
> > (00.033242)      1: Error (net.c:565): Can't restore link
> > (00.060517) Error (cr-restore.c:1257): 18005 exited, status=1
> > 
> > I've looked through the kernel source, and it's not obvious to me where netlink
> > would send an EBADF. Any ideas?
> 
> Maybe it's due to not-yet-applied "[PATCH] net: Move node's net fd reference 
> into service fd"?

yes. the kernel tries to fetch peers' namespace from file
descriptor which we've managed to close too early.