[Bug 1743] Flowtable: Flows exiting OFFLOAD State being assigned value of nf_conntrack_tcp_timeout_unacknowledged

[bugzilla-daemon at netfilter.org]

https://bugzilla.netfilter.org/show_bug.cgi?id=1743

--- Comment #3 from Tim Harman <tim at muppetz.com> ---
I have recently moved ISPs.
My old ISP required PPPoE, my new ISP doesn't (uses DHCP)
Since moving to my new ISP, I have been 100% unable to reproduce this problem.
My easy-to-reproduce test before I have tried 100 times and I can't reproduce
it.

I wonder if the issue that I was encountering was related to this fix I see in
6.6.29, and moving away from PPPoE has stopped the problem from appearing?

---- begin ----

ommit 4ed82dd368ad883dc4284292937b882f044e625d
Author: Pablo Neira Ayuso <pablo at netfilter.org>
Date:   Thu Apr 11 00:09:00 2024 +0200

    netfilter: flowtable: incorrect pppoe tuple

    [ Upstream commit 6db5dc7b351b9569940cd1cf445e237c42cd6d27 ]

    pppoe traffic reaching ingress path does not match the flowtable entry
    because the pppoe header is expected to be at the network header offset.
    This bug causes a mismatch in the flow table lookup, so pppoe packets
    enter the classical forwarding path.

--- end ----

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