diff --git a/compiler-rt/lib/msan/msan_interceptors.cpp b/compiler-rt/lib/msan/msan_interceptors.cpp
--- a/compiler-rt/lib/msan/msan_interceptors.cpp
+++ b/compiler-rt/lib/msan/msan_interceptors.cpp
@@ -666,7 +666,7 @@
 #define MSAN_MAYBE_INTERCEPT_FSTAT
 #endif
 
-#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD
+#if SANITIZER_GLIBC
 INTERCEPTOR(int, __fxstat, int magic, int fd, void *buf) {
   ENSURE_MSAN_INITED();
   int res = REAL(__fxstat)(magic, fd, buf);
@@ -679,7 +679,7 @@
 #define MSAN_MAYBE_INTERCEPT___FXSTAT
 #endif
 
-#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD
+#if SANITIZER_GLIBC
 INTERCEPTOR(int, __fxstat64, int magic, int fd, void *buf) {
   ENSURE_MSAN_INITED();
   int res = REAL(__fxstat64)(magic, fd, buf);
diff --git a/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp b/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
--- a/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
+++ b/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
@@ -1536,7 +1536,7 @@
   return 0;
 }
 
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_GLIBC
 TSAN_INTERCEPTOR(int, __fxstat, int version, int fd, void *buf) {
   SCOPED_TSAN_INTERCEPTOR(__fxstat, version, fd, buf);
   if (fd > 0)
@@ -1562,7 +1562,7 @@
 #endif
 }
 
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_GLIBC
 TSAN_INTERCEPTOR(int, __fxstat64, int version, int fd, void *buf) {
   SCOPED_TSAN_INTERCEPTOR(__fxstat64, version, fd, buf);
   if (fd > 0)
@@ -1574,7 +1574,7 @@
 #define TSAN_MAYBE_INTERCEPT___FXSTAT64
 #endif
 
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_GLIBC
 TSAN_INTERCEPTOR(int, fstat64, int fd, void *buf) {
   SCOPED_TSAN_INTERCEPTOR(__fxstat64, 0, fd, buf);
   if (fd > 0)