diff --git a/lldb/tools/lldb-fuzzer/lldb-commandinterpreter-fuzzer/lldb-commandinterpreter-fuzzer.cpp b/lldb/tools/lldb-fuzzer/lldb-commandinterpreter-fuzzer/lldb-commandinterpreter-fuzzer.cpp
index 60f7d5458b234..3317265aae638 100644
--- a/lldb/tools/lldb-fuzzer/lldb-commandinterpreter-fuzzer/lldb-commandinterpreter-fuzzer.cpp
+++ b/lldb/tools/lldb-fuzzer/lldb-commandinterpreter-fuzzer/lldb-commandinterpreter-fuzzer.cpp
@@ -19,8 +19,14 @@
 using namespace lldb;
 using namespace lldb_fuzzer;
 
+extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
+  SBDebugger::Initialize();
+  return 0;
+}
+
 extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
-  static SBDebuggerContextManager ctx_manager = SBDebuggerContextManager();
+  static thread_local SBDebuggerContextManager ctx_manager =
+      SBDebuggerContextManager();
 
   // Convert the data into a null-terminated string
   std::string str((char *)data, size);
diff --git a/lldb/tools/lldb-fuzzer/lldb-target-fuzzer/lldb-target-fuzzer.cpp b/lldb/tools/lldb-fuzzer/lldb-target-fuzzer/lldb-target-fuzzer.cpp
index 6b8ea1f361398..ff2000b0f0b6d 100644
--- a/lldb/tools/lldb-fuzzer/lldb-target-fuzzer/lldb-target-fuzzer.cpp
+++ b/lldb/tools/lldb-fuzzer/lldb-target-fuzzer/lldb-target-fuzzer.cpp
@@ -16,8 +16,14 @@ using namespace lldb;
 using namespace lldb_fuzzer;
 using namespace llvm;
 
+extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
+  SBDebugger::Initialize();
+  return 0;
+}
+
 extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
-  static SBDebuggerContextManager ctx_manager = SBDebuggerContextManager();
+  static thread_local SBDebuggerContextManager ctx_manager =
+      SBDebuggerContextManager();
 
   std::unique_ptr<TempFile> file = TempFile::Create(data, size);
   if (!file)
diff --git a/lldb/tools/lldb-fuzzer/utils/SBDebuggerContextManager.h b/lldb/tools/lldb-fuzzer/utils/SBDebuggerContextManager.h
index ecc1e2dfa74d9..c7de7e595c796 100644
--- a/lldb/tools/lldb-fuzzer/utils/SBDebuggerContextManager.h
+++ b/lldb/tools/lldb-fuzzer/utils/SBDebuggerContextManager.h
@@ -13,10 +13,16 @@ using namespace lldb;
 namespace lldb_fuzzer {
 
 class SBDebuggerContextManager {
+  inline static int instance_count;
+
 public:
-  SBDebuggerContextManager() { SBDebugger::Initialize(); }
+  SBDebuggerContextManager() { ++instance_count; }
 
-  ~SBDebuggerContextManager() { SBDebugger::Terminate(); }
+  ~SBDebuggerContextManager() {
+    --instance_count;
+    if (instance_count == 0)
+      SBDebugger::Terminate();
+  }
 };
 
 } // namespace lldb_fuzzer