diff options
Diffstat (limited to 'sys/netinet/tcp_reass.c')
-rw-r--r-- | sys/netinet/tcp_reass.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/sys/netinet/tcp_reass.c b/sys/netinet/tcp_reass.c index d70fb09f1661..73bf051f8ad2 100644 --- a/sys/netinet/tcp_reass.c +++ b/sys/netinet/tcp_reass.c @@ -542,6 +542,10 @@ tcp_reass(struct tcpcb *tp, struct tcphdr *th, tcp_seq *seq_start, * and should be rewritten (see NetBSD for optimizations). */ + KASSERT(th == NULL || (seq_start != NULL && tlenp != NULL), + ("tcp_reass called with illegal parameter combination " + "(tp=%p, th=%p, seq_start=%p, tlenp=%p, m=%p)", + tp, th, seq_start, tlenp, m)); /* * Call with th==NULL after become established to * force pre-ESTABLISHED data up to user socket. @@ -1062,12 +1066,20 @@ present: } else { #ifdef TCP_REASS_LOGGING tcp_reass_log_new_in(tp, q->tqe_start, q->tqe_len, q->tqe_m, TCP_R_LOG_READ, q); - tcp_log_reassm(tp, q, NULL, th->th_seq, *tlenp, TCP_R_LOG_READ, 1); + if (th != NULL) { + tcp_log_reassm(tp, q, NULL, th->th_seq, *tlenp, TCP_R_LOG_READ, 1); + } else { + tcp_log_reassm(tp, q, NULL, 0, 0, TCP_R_LOG_READ, 1); + } #endif sbappendstream_locked(&so->so_rcv, q->tqe_m, 0); } #ifdef TCP_REASS_LOGGING - tcp_log_reassm(tp, q, NULL, th->th_seq, *tlenp, TCP_R_LOG_READ, 2); + if (th != NULL) { + tcp_log_reassm(tp, q, NULL, th->th_seq, *tlenp, TCP_R_LOG_READ, 2); + } else { + tcp_log_reassm(tp, q, NULL, 0, 0, TCP_R_LOG_READ, 2); + } #endif KASSERT(tp->t_segqmbuflen >= q->tqe_mbuf_cnt, ("tp:%p seg queue goes negative", tp)); @@ -1083,7 +1095,11 @@ present: tp, &tp->t_segq, tp->t_segqmbuflen); #else #ifdef TCP_REASS_LOGGING - tcp_log_reassm(tp, NULL, NULL, th->th_seq, *tlenp, TCP_R_LOG_ZERO, 0); + if (th != NULL) { + tcp_log_reassm(tp, NULL, NULL, th->th_seq, *tlenp, TCP_R_LOG_ZERO, 0); + } else { + tcp_log_reassm(tp, NULL, NULL, 0, 0, TCP_R_LOG_ZERO, 0); + } #endif tp->t_segqmbuflen = 0; #endif |