diff options
Diffstat (limited to 'freebsd/sys/netinet/tcp_reass.c')
| -rw-r--r-- | freebsd/sys/netinet/tcp_reass.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/freebsd/sys/netinet/tcp_reass.c b/freebsd/sys/netinet/tcp_reass.c index aebda9db..d4f0bcde 100644 --- a/freebsd/sys/netinet/tcp_reass.c +++ b/freebsd/sys/netinet/tcp_reass.c @@ -207,7 +207,7 @@ tcp_reass(struct tcpcb *tp, struct tcphdr *th, int *tlenp, struct mbuf *m) * Investigate why and re-evaluate the below limit after the behaviour * is understood. */ - if (th->th_seq != tp->rcv_nxt && + if ((th->th_seq != tp->rcv_nxt || !TCPS_HAVEESTABLISHED(tp->t_state)) && tp->t_segqlen >= (so->so_rcv.sb_hiwat / tp->t_maxseg) + 1) { V_tcp_reass_overflows++; TCPSTAT_INC(tcps_rcvmemdrop); @@ -230,7 +230,7 @@ tcp_reass(struct tcpcb *tp, struct tcphdr *th, int *tlenp, struct mbuf *m) */ te = uma_zalloc(V_tcp_reass_zone, M_NOWAIT); if (te == NULL) { - if (th->th_seq != tp->rcv_nxt) { + if (th->th_seq != tp->rcv_nxt || !TCPS_HAVEESTABLISHED(tp->t_state)) { TCPSTAT_INC(tcps_rcvmemdrop); m_freem(m); *tlenp = 0; @@ -278,7 +278,8 @@ tcp_reass(struct tcpcb *tp, struct tcphdr *th, int *tlenp, struct mbuf *m) TCPSTAT_INC(tcps_rcvduppack); TCPSTAT_ADD(tcps_rcvdupbyte, *tlenp); m_freem(m); - uma_zfree(V_tcp_reass_zone, te); + if (te != &tqs) + uma_zfree(V_tcp_reass_zone, te); tp->t_segqlen--; /* * Try to present any queued data |