diff --git a/fuzzers/tint_all_transforms_fuzzer.cc b/fuzzers/tint_all_transforms_fuzzer.cc
index e9af5abc59..7b76ab4e3f 100644
--- a/fuzzers/tint_all_transforms_fuzzer.cc
+++ b/fuzzers/tint_all_transforms_fuzzer.cc
@@ -18,9 +18,22 @@ namespace tint {
 namespace fuzzers {
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  struct Config {
+    uint32_t group;
+    uint32_t binding;
+  };
+  if (size < sizeof(Config)) {
+    return 0;
+  }
+  auto* config = reinterpret_cast<const Config*>(data);
+  data += sizeof(Config);
+  size -= sizeof(Config);
+
   tint::transform::Manager transform_manager;
   tint::transform::DataMap transform_inputs;
-  transform_inputs.Add<tint::transform::FirstIndexOffset::BindingPoint>(0, 0);
+
+  transform_inputs.Add<tint::transform::FirstIndexOffset::BindingPoint>(
+      config->binding, config->group);
   transform_manager.Add<tint::transform::BoundArrayAccessors>();
   transform_manager.Add<tint::transform::EmitVertexPointSize>();
   transform_manager.Add<tint::transform::FirstIndexOffset>();
diff --git a/fuzzers/tint_first_index_offset_fuzzer.cc b/fuzzers/tint_first_index_offset_fuzzer.cc
index 69159810bb..d52106314b 100644
--- a/fuzzers/tint_first_index_offset_fuzzer.cc
+++ b/fuzzers/tint_first_index_offset_fuzzer.cc
@@ -18,9 +18,21 @@ namespace tint {
 namespace fuzzers {
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  struct Config {
+    uint32_t group;
+    uint32_t binding;
+  };
+  if (size < sizeof(Config)) {
+    return 0;
+  }
+  auto* config = reinterpret_cast<const Config*>(data);
+  data += sizeof(Config);
+  size -= sizeof(Config);
+
   tint::transform::Manager transform_manager;
   tint::transform::DataMap transform_inputs;
-  transform_inputs.Add<tint::transform::FirstIndexOffset::BindingPoint>(0, 0);
+  transform_inputs.Add<tint::transform::FirstIndexOffset::BindingPoint>(
+      config->binding, config->group);
   transform_manager.Add<tint::transform::FirstIndexOffset>();
 
   tint::fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kSpv);