Skip the test instead

src/core/lib/surface/call.cc

@@ -1494,9 +1494,9 @@ static void free_no_op_completion(void* p, grpc_cq_completion* completion) {
   gpr_free(completion);
 }
 
-__attribute__((no_sanitize("enum"))) static grpc_call_error call_start_batch(
-    grpc_call* call, const grpc_op* ops, size_t nops, void* notify_tag,
-    int is_notify_tag_closure) {
+static grpc_call_error call_start_batch(grpc_call* call, const grpc_op* ops,
+                                        size_t nops, void* notify_tag,
+                                        int is_notify_tag_closure) {
   GPR_TIMER_SCOPE("call_start_batch", 0);
 
   size_t i;

src/core/lib/transport/error_utils.cc

@@ -44,10 +44,10 @@ static grpc_error* recursively_find_error_with_field(grpc_error* error,
   return nullptr;
 }
 
-__attribute__((no_sanitize("enum"))) void grpc_error_get_status(
-    grpc_error* error, grpc_millis deadline, grpc_status_code* code,
-    grpc_slice* slice, grpc_http2_error_code* http_error,
-    const char** error_string) {
+void grpc_error_get_status(grpc_error* error, grpc_millis deadline,
+                           grpc_status_code* code, grpc_slice* slice,
+                           grpc_http2_error_code* http_error,
+                           const char** error_string) {
   // Start with the parent error and recurse through the tree of children
   // until we find the first one that has a status code.
   grpc_error* found_error =

test/core/util/ubsan_suppressions.txt

@@ -21,3 +21,4 @@ enum:grpc_op_string
 signed-integer-overflow:chrono
 enum:grpc_http2_error_to_grpc_status
 enum:grpc_chttp2_cancel_stream
+enum:api_fuzzer