Index: tcp_var.h
===================================================================
RCS file: /cvs/src/sys/netinet/tcp_var.h,v
diff -u -p -r1.192 tcp_var.h
--- tcp_var.h	8 Jun 2025 17:06:19 -0000	1.192
+++ tcp_var.h	15 Jun 2025 04:17:33 -0000
@@ -640,20 +640,26 @@ extern struct cpumem *tcpcounters;
 static inline void
 tcpstat_inc(enum tcpstat_counters c)
 {
+	int s = splnet();
 	counters_inc(tcpcounters, c);
+	splx(s);
 }
 
 static inline void
 tcpstat_add(enum tcpstat_counters c, uint64_t v)
 {
+	int s = splnet();
 	counters_add(tcpcounters, c, v);
+	splx(s);
 }
 
 static inline void
 tcpstat_pkt(enum tcpstat_counters pcounter, enum tcpstat_counters bcounter,
     uint64_t v)
 {
+	int s = splnet();
 	counters_pkt(tcpcounters, pcounter, bcounter, v);
+	splx(s);
 }
 
 extern uint64_t tcp_starttime;