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Index: sys/netinet/tcp_input.c
===================================================================
--- sys/netinet/tcp_input.c
+++ sys/netinet/tcp_input.c
@@ -1408,7 +1408,10 @@
tcp_trace(TA_INPUT, ostate, tp,
(void *)tcp_saveipgen, &tcp_savetcp, 0);
#endif
- TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ if (m != NULL)
+ TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ else
+ TCP_PROBE3(debug__input, tp, th, 0);
tcp_dooptions(&to, optp, optlen, TO_SYN);
#ifdef TCP_RFC7413
if (syncache_add(&inc, &to, th, inp, &so, m, NULL, NULL))
@@ -1456,7 +1459,11 @@
}
#endif
- TCP_PROBE5(receive, NULL, tp, mtod(m, const char *), tp, th);
+ if (m != NULL)
+ TCP_PROBE5(receive, NULL, tp, mtod(m, const char *), tp, th);
+ else
+ TCP_PROBE5(receive, NULL, tp, 0, tp, th);
+
/*
* Segment belongs to a connection in SYN_SENT, ESTABLISHED or later
@@ -1468,7 +1475,10 @@
return (IPPROTO_DONE);
dropwithreset:
- TCP_PROBE5(receive, NULL, tp, mtod(m, const char *), tp, th);
+ if (m != NULL)
+ TCP_PROBE5(receive, NULL, tp, mtod(m, const char *), tp, th);
+ else
+ TCP_PROBE5(receive, NULL, tp, 0, tp, th);
if (ti_locked == TI_RLOCKED) {
INP_INFO_RUNLOCK(&V_tcbinfo);
@@ -1493,6 +1503,8 @@
dropunlock:
if (m != NULL)
TCP_PROBE5(receive, NULL, tp, mtod(m, const char *), tp, th);
+ else
+ TCP_PROBE5(receive, NULL, tp, 0, tp, th);
if (ti_locked == TI_RLOCKED) {
INP_INFO_RUNLOCK(&V_tcbinfo);
@@ -1826,8 +1838,12 @@
(void *)tcp_saveipgen,
&tcp_savetcp, 0);
#endif
- TCP_PROBE3(debug__input, tp, th,
- mtod(m, const char *));
+ if (m != NULL)
+ TCP_PROBE3(debug__input, tp, th,
+ mtod(m, const char *));
+ else
+ TCP_PROBE3(debug__input, tp, th,
+ 0);
if (tp->snd_una == tp->snd_max)
tcp_timer_activate(tp, TT_REXMT, 0);
else if (!tcp_timer_active(tp, TT_PERSIST))
@@ -1873,7 +1889,10 @@
tcp_trace(TA_INPUT, ostate, tp,
(void *)tcp_saveipgen, &tcp_savetcp, 0);
#endif
- TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ if (m != NULL)
+ TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ else
+ TCP_PROBE3(debug__input, tp, th, 0);
/*
* Automatic sizing of receive socket buffer. Often the send
@@ -2034,8 +2053,12 @@
goto dropwithreset;
}
if ((thflags & (TH_ACK|TH_RST)) == (TH_ACK|TH_RST)) {
- TCP_PROBE5(connect__refused, NULL, tp,
- mtod(m, const char *), tp, th);
+ if (m != NULL)
+ TCP_PROBE5(connect__refused, NULL, tp,
+ mtod(m, const char *), tp, th);
+ else
+ TCP_PROBE5(connect__refused, NULL, tp,
+ 0, tp, th);
tp = tcp_drop(tp, ECONNREFUSED);
}
if (thflags & TH_RST)
@@ -2087,8 +2110,12 @@
thflags &= ~TH_SYN;
} else {
tcp_state_change(tp, TCPS_ESTABLISHED);
- TCP_PROBE5(connect__established, NULL, tp,
- mtod(m, const char *), tp, th);
+ if (m != NULL)
+ TCP_PROBE5(connect__established, NULL, tp,
+ mtod(m, const char *), tp, th);
+ else
+ TCP_PROBE5(connect__established, NULL, tp,
+ 0, tp, th);
cc_conn_init(tp);
tcp_timer_activate(tp, TT_KEEP,
TP_KEEPIDLE(tp));
@@ -2467,8 +2494,12 @@
tp->t_flags &= ~TF_NEEDFIN;
} else {
tcp_state_change(tp, TCPS_ESTABLISHED);
- TCP_PROBE5(accept__established, NULL, tp,
- mtod(m, const char *), tp, th);
+ if (m != NULL)
+ TCP_PROBE5(accept__established, NULL, tp,
+ mtod(m, const char *), tp, th);
+ else
+ TCP_PROBE5(accept__established, NULL, tp,
+ 0, tp, th);
#ifdef TCP_RFC7413
if (tp->t_tfo_pending) {
tcp_fastopen_decrement_counter(tp->t_tfo_pending);
@@ -3202,7 +3233,10 @@
tcp_trace(TA_INPUT, ostate, tp, (void *)tcp_saveipgen,
&tcp_savetcp, 0);
#endif
- TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ if (m != NULL)
+ TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ else
+ TCP_PROBE3(debug__input, tp, th, 0);
/*
* Return any desired output.
@@ -3250,7 +3284,10 @@
tcp_trace(TA_DROP, ostate, tp, (void *)tcp_saveipgen,
&tcp_savetcp, 0);
#endif
- TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ if (m != NULL)
+ TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ else
+ TCP_PROBE3(debug__input, tp, th, 0);
if (ti_locked == TI_RLOCKED)
INP_INFO_RUNLOCK(&V_tcbinfo);
ti_locked = TI_UNLOCKED;
@@ -3291,7 +3328,10 @@
tcp_trace(TA_DROP, ostate, tp, (void *)tcp_saveipgen,
&tcp_savetcp, 0);
#endif
- TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ if (m != NULL)
+ TCP_PROBE3(debug__input, tp, th, mtod(m, const char *));
+ else
+ TCP_PROBE3(debug__input, tp, th, 0);
if (tp != NULL)
INP_WUNLOCK(tp->t_inpcb);
m_freem(m);
Index: sys/netinet/tcp_output.c
===================================================================
--- sys/netinet/tcp_output.c
+++ sys/netinet/tcp_output.c
@@ -1339,7 +1339,10 @@
ipov->ih_len = save;
}
#endif /* TCPDEBUG */
- TCP_PROBE3(debug__output, tp, th, mtod(m, const char *));
+ if (m != NULL)
+ TCP_PROBE3(debug__output, tp, th, mtod(m, const char *));
+ else
+ TCP_PROBE3(debug__output, tp, th, 0);
/*
* Fill in IP length and desired time to live and

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