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authorjlemon <jlemon@FreeBSD.org>2002-02-12 02:03:50 +0000
committerjlemon <jlemon@FreeBSD.org>2002-02-12 02:03:50 +0000
commit04bdc3812f3bc1bf7c855c7c539b9b5e30f79c39 (patch)
treed268d93099e420dd1652d4897274fd6b5dba6214
parent03a880e06db6aa0eb1a01712a3acccf3f560ea10 (diff)
downloadFreeBSD-src-04bdc3812f3bc1bf7c855c7c539b9b5e30f79c39.zip
FreeBSD-src-04bdc3812f3bc1bf7c855c7c539b9b5e30f79c39.tar.gz
When a duplicate SYN arrives which matches an entry in the syncache,
update our lazy reference to the inpcb structure, as it may have changed. Found by: dima
-rw-r--r--sys/netinet/tcp_syncache.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c
index f78a851..669a3b6 100644
--- a/sys/netinet/tcp_syncache.c
+++ b/sys/netinet/tcp_syncache.c
@@ -839,6 +839,11 @@ syncache_add(inc, to, th, sop, m)
*/
if (sc->sc_flags & SCF_TIMESTAMP)
sc->sc_tsrecent = to->to_tsval;
+ /*
+ * PCB may have changed, pick up new values.
+ */
+ sc->sc_tp = tp;
+ sc->sc_inp_gencnt = tp->t_inpcb->inp_gencnt;
if (syncache_respond(sc, m) == 0) {
s = splnet();
TAILQ_REMOVE(&tcp_syncache.timerq[sc->sc_rxtslot],
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