[CRIU] stray unix socket not dumped by the diag module?

[Pavel Emelyanov]

On 07/13/2016 01:42 AM, Tycho Andersen wrote:
> Hi guys,
> 
> I'm getting a,
> 
> (00.155898) Error (sk-unix.c:294): sk unix: Unix socket 0x5674 not found
> 
> very rarely when dumping containers. This looks to be some kind of
> unix socket that systemd has open, full log here:
> 
> http://paste.ubuntu.com/19219914/
> 
> but somehow, this socket didn't get dumped in collect_sockets(). I
> looked through the kernel code, but it's not obvious to me why a
> socket would be missing. Any ideas where to start digging?

I guess it's the same issue as for TCP sockets -- only bind()-ed or auto-bound
sockets get into the list reported by the kernel.

-- Pavel