Joy Latten writes:

The good news is that the pings worked great!
So perhaps ESP is working ok with ICMP.

But when I tried to do sftp, I still got the oops.
I don't think TCP and ESP are working.

You're hitting the BUG_ON(len) at line 611 of net/xfrm/xfrm_algo.c.
Is that the same thing that happened without the patch to memcpy, or
was that a different oops?

Paul.