[strongSwan] IKE update does not correctly change the SA traffic selector in GRE transport mode

Tobias Brunner tobias at strongswan.org
Wed Oct 31 15:48:22 CET 2018

Hi Fred,

> When the remote peer address changes,
> strongswan correctly processes the XFRM_MSG_MAPPING message, and updates
> the xfrm SA and SP in the Linux kernel, except the traffic selector.

Yes, updating that selector was, in fact, missing in the responsible
function.  I pushed a potential fix to the kernel-netlink-update-sel
branch of our repository [1] (only compile tested).  Let me know if that
works for you.



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