diff --git a/Makefile b/Makefile
index ccca3ac5e..d8b540fcf 100644
--- a/Makefile
+++ b/Makefile
@@ -256,8 +256,8 @@ endif
 ifdef COMPILE_WITH_TSAN
 	DISABLE_JEMALLOC=1
 	EXEC_LDFLAGS += -fsanitize=thread
-	PLATFORM_CCFLAGS += -fsanitize=thread -fPIC
-	PLATFORM_CXXFLAGS += -fsanitize=thread -fPIC
+	PLATFORM_CCFLAGS += -fsanitize=thread -fPIC -DFOLLY_SANITIZE_THREAD
+	PLATFORM_CXXFLAGS += -fsanitize=thread -fPIC -DFOLLY_SANITIZE_THREAD
         # Turn off -pg when enabling TSAN testing, because that induces
         # a link failure.  TODO: find the root cause
 	PROFILING_FLAGS =
@@ -1285,7 +1285,7 @@ db_merge_operator_test: db/db_merge_operator_test.o db/db_test_util.o $(LIBOBJEC
 
 db_merge_operand_test: db/db_merge_operand_test.o db/db_test_util.o $(LIBOBJECTS) $(TESTHARNESS)
 	$(AM_LINK)
-	
+
 db_options_test: db/db_options_test.o db/db_test_util.o $(LIBOBJECTS) $(TESTHARNESS)
 	$(AM_LINK)
 
diff --git a/third-party/folly/folly/CPortability.h b/third-party/folly/folly/CPortability.h
index 3ce3a7785..56cb6b1a5 100644
--- a/third-party/folly/folly/CPortability.h
+++ b/third-party/folly/folly/CPortability.h
@@ -13,3 +13,15 @@
 #else
 #define FOLLY_EXPORT
 #endif
+
+#if defined(__has_feature)
+#define FOLLY_HAS_FEATURE(...) __has_feature(__VA_ARGS__)
+#else
+#define FOLLY_HAS_FEATURE(...) 0
+#endif
+
+#if FOLLY_HAS_FEATURE(thread_sanitizer) || __SANITIZE_THREAD__
+#ifndef FOLLY_SANITIZE_THREAD
+#define FOLLY_SANITIZE_THREAD 1
+#endif
+#endif
diff --git a/third-party/folly/folly/Portability.h b/third-party/folly/folly/Portability.h
index 2c6544c19..61c05ff22 100644
--- a/third-party/folly/folly/Portability.h
+++ b/third-party/folly/folly/Portability.h
@@ -5,6 +5,8 @@
 
 #pragma once
 
+#include <folly/CPortability.h>
+
 #if defined(__arm__)
 #define FOLLY_ARM 1
 #else
@@ -72,3 +74,11 @@ constexpr bool kIsMsvc = true;
 constexpr bool kIsMsvc = false;
 #endif
 } // namespace folly
+
+namespace folly {
+#if FOLLY_SANITIZE_THREAD
+constexpr bool kIsSanitizeThread = true;
+#else
+constexpr bool kIsSanitizeThread = false;
+#endif
+} // namespace folly
diff --git a/third-party/folly/folly/synchronization/AtomicUtil-inl.h b/third-party/folly/folly/synchronization/AtomicUtil-inl.h
index 6adba2b31..4c10d8451 100644
--- a/third-party/folly/folly/synchronization/AtomicUtil-inl.h
+++ b/third-party/folly/folly/synchronization/AtomicUtil-inl.h
@@ -230,8 +230,9 @@ bool atomic_fetch_set(Atomic& atomic, std::size_t bit, std::memory_order mo) {
   static_assert(!std::is_const<Atomic>{}, "");
   assert(bit < (sizeof(Integer) * 8));
 
-  if (folly::kIsArchAmd64) {
-    // do the optimized thing on x86 builds
+  // do the optimized thing on x86 builds.  Also, some versions of TSAN do not
+  // properly instrument the inline assembly, so avoid it when TSAN is enabled
+  if (folly::kIsArchAmd64 && !folly::kIsSanitizeThread) {
     return detail::atomic_fetch_set_x86(atomic, bit, mo);
   } else {
     // otherwise default to the default implementation using fetch_or()
@@ -246,8 +247,9 @@ bool atomic_fetch_reset(Atomic& atomic, std::size_t bit, std::memory_order mo) {
   static_assert(!std::is_const<Atomic>{}, "");
   assert(bit < (sizeof(Integer) * 8));
 
-  if (folly::kIsArchAmd64) {
-    // do the optimized thing on x86 builds
+  // do the optimized thing on x86 builds.  Also, some versions of TSAN do not
+  // properly instrument the inline assembly, so avoid it when TSAN is enabled
+  if (folly::kIsArchAmd64 && !folly::kIsSanitizeThread) {
     return detail::atomic_fetch_reset_x86(atomic, bit, mo);
   } else {
     // otherwise default to the default implementation using fetch_and()
diff --git a/third-party/folly/folly/synchronization/test/DistributedMutexTest.cpp b/third-party/folly/folly/synchronization/test/DistributedMutexTest.cpp
index b83fdda71..e75d0f35c 100644
--- a/third-party/folly/folly/synchronization/test/DistributedMutexTest.cpp
+++ b/third-party/folly/folly/synchronization/test/DistributedMutexTest.cpp
@@ -981,6 +981,12 @@ template <template <typename> class Atom = std::atomic>
 void concurrentExceptionPropagationStress(
     int numThreads,
     std::chrono::milliseconds t) {
+  // this test fails under with a false negative under older versions of TSAN
+  // for some reason so disable it when TSAN is enabled
+  if (folly::kIsSanitizeThread) {
+    return;
+  }
+
   TestConstruction::reset();
   auto&& mutex = folly::detail::distributed_mutex::DistributedMutex<Atom>{};
   auto&& threads = std::vector<std::thread>{};