Index: lib/lsan/lsan_interceptors.cpp
===================================================================
--- lib/lsan/lsan_interceptors.cpp
+++ lib/lsan/lsan_interceptors.cpp
@@ -345,6 +345,16 @@
 #define LSAN_MAYBE_INTERCEPT_THR_EXIT
 #endif
 
+#if SANITIZER_NETBSD
+INTERCEPTOR(char *, strerror, int errnum) {
+  __lsan::ScopedInterceptorDisabler disabler;
+  return REAL(strerror)(errnum);
+}
+#define LSAN_MAYBE_INTERCEPT_STRERROR INTERCEPT_FUNCTION(strerror)
+#else
+#define LSAN_MAYBE_INTERCEPT_STRERROR
+#endif
+
 struct ThreadParam {
   void *(*callback)(void *arg);
   void *param;
@@ -454,6 +464,8 @@
   LSAN_MAYBE_INTERCEPT__LWP_EXIT;
   LSAN_MAYBE_INTERCEPT_THR_EXIT;
 
+  LSAN_MAYBE_INTERCEPT_STRERROR;
+
 #if !SANITIZER_NETBSD && !SANITIZER_FREEBSD
   if (pthread_key_create(&g_thread_finalize_key, &thread_finalize)) {
     Report("LeakSanitizer: failed to create thread key.\n");
Index: lib/sanitizer_common/sanitizer_common_interceptors.inc
===================================================================
--- lib/sanitizer_common/sanitizer_common_interceptors.inc
+++ lib/sanitizer_common/sanitizer_common_interceptors.inc
@@ -46,6 +46,8 @@
 #include "sanitizer_symbolizer.h"
 #include "sanitizer_tls_get_addr.h"
 
+#include "lsan/lsan_common.h"
+
 #include <stdarg.h>
 
 #if SANITIZER_INTERCEPTOR_HOOKS
@@ -3676,6 +3678,9 @@
 INTERCEPTOR(char *, strerror, int errnum) {
   void *ctx;
   COMMON_INTERCEPTOR_ENTER(ctx, strerror, errnum);
+#if CAN_SANITIZE_LEAKS
+  __lsan::ScopedInterceptorDisabler disabler;
+#endif
   char *res = REAL(strerror)(errnum);
   if (res) COMMON_INTERCEPTOR_INITIALIZE_RANGE(res, REAL(strlen)(res) + 1);
   return res;