https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233867

Kristof Provost <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freebsd.org/bu
                   |                            |gzilla/show_bug.cgi?id=1840
                   |                            |03
             Status|New                         |Open

--- Comment #2 from Kristof Provost <[email protected]> ---
The system loses network connectivity when it can't find a free source port in
pf_get_sport(). It keeps calling pf_map_addr(), trying to get a new IP to check
for available ports.

I believe this problem was introduced by the patch in PR# 184003.

Note that we're running NAT with PF_POOL_STICKYADDR, so we find a src_node, and
the early return is taken. This means we always return the same IP, and loop
through the available ports in pf_get_sport() again and again. This loop
continues until a state times out, and we do find a free port.

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