Index: lib/sanitizer_common/sanitizer_signal_interceptors.inc
===================================================================
--- lib/sanitizer_common/sanitizer_signal_interceptors.inc
+++ lib/sanitizer_common/sanitizer_signal_interceptors.inc
@@ -46,16 +46,22 @@
 }
 #define INIT_SIGNAL COMMON_INTERCEPT_FUNCTION(signal)
 
-INTERCEPTOR(int, sigaction, int signum, const __sanitizer_sigaction *act,
-            __sanitizer_sigaction *oldact) {
+#if SANITIZER_NETBSD
+#define sigaction_symname __sigaction14
+#else
+#define sigaction_symname sigaction
+#endif
+
+INTERCEPTOR(int, sigaction_symname, int signum,
+            const __sanitizer_sigaction *act, __sanitizer_sigaction *oldact) {
   if (GetHandleSignalMode(signum) == kHandleSignalExclusive) return 0;
   SIGNAL_INTERCEPTOR_SIGACTION_IMPL(signum, act, oldact);
 }
-#define INIT_SIGACTION COMMON_INTERCEPT_FUNCTION(sigaction)
+#define INIT_SIGACTION COMMON_INTERCEPT_FUNCTION(sigaction_symname)
 
 namespace __sanitizer {
 int real_sigaction(int signum, const void *act, void *oldact) {
-  return REAL(sigaction)(signum, (const __sanitizer_sigaction *)act,
+  return REAL(sigaction_symname)(signum, (const __sanitizer_sigaction *)act,
                          (__sanitizer_sigaction *)oldact);
 }
 }  // namespace __sanitizer
Index: lib/tsan/rtl/tsan_interceptors.cc
===================================================================
--- lib/tsan/rtl/tsan_interceptors.cc
+++ lib/tsan/rtl/tsan_interceptors.cc
@@ -2337,7 +2337,7 @@
   internal_memset(&act.sa_mask, -1, sizeof(act.sa_mask));
   act.sa_flags = 0;
   __sanitizer_sigaction old;
-  int res = sigaction(sig, &act, &old);
+  int res = sigaction_symname(sig, &act, &old);
   if (res) return (__sanitizer_sighandler_ptr)sig_err;
   return old.handler;
 }