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8b3d2c19d3
in_pcblisten() moves an inpcb from the per-group list into the array, at
which point it becomes visible to inpcb lookups in the datapath. It
assumes that there is space in the array for this, but that's not
guaranteed, since in_pcbinslbgrouphash() doesn't reserve space in the
array if the inpcb isn't associated with a listening socket.
We could resize the array in in_pcblisten(), but that would introduce a
failure case where there currently is none. Instead, keep track of the
number of pending inpcbs as well, and modify in_pcbinslbgrouphash() to
reserve space for each pending (i.e., not-yet-listening) inpcb.
Add a regression test.
Reviewed by: glebius
Reported by: netchild
Fixes:
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|---|---|---|
| .. | ||
| libalias | ||
| arp.sh | ||
| broadcast.c | ||
| carp.py | ||
| carp.sh | ||
| divert.sh | ||
| fibs.sh | ||
| fibs_multibind_test.c | ||
| fibs_test.sh | ||
| forward.sh | ||
| igmp.py | ||
| ip6_v4mapped_test.c | ||
| ip_reass_test.c | ||
| lpm.sh | ||
| Makefile | ||
| Makefile.depend | ||
| output.sh | ||
| redirect.py | ||
| redirect.sh | ||
| so_reuseport_lb_test.c | ||
| socket_afinet.c | ||
| tcp_connect_port_test.c | ||
| tcp_implied_connect.c | ||
| tcp_md5_getsockopt.c | ||
| tcp_user_cookie.c | ||
| udp_bindings.c | ||
| udp_dontroute.c | ||
| udp_io.c | ||