On Thu, Sep 24, 2020 at 09:40:26AM +0200, Steffen Klassert wrote: > > This is yet another ipv4 mapped ipv6 address with IPsec socket policy > combination bug, and I'm sure it is not the last one. We could fix this > one by adding another check to match the address family of the policy > and the SA selector, but maybe it is better to think about how this > should work at all. > > We can have only one socket policy for each direction and that > policy accepts either ipv4 or ipv6. We treat this ipv4 mapped ipv6 > address as ipv4 and pass it down the ipv4 stack, so this dual usage > will not work with a socket policy. Maybe we can require IPV6_V6ONLY > for sockets with policy attached. Thoughts?
I'm looking at the history of this and it used to work at the start because you'd always interpret the flow object with a family. This appears to have been lost with 8444cf712c5f71845cba9dc30d8f530ff0d5ff83. I'm working on a fix. Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt