diff --git a/src/core/lib/transport/metadata_batch.h b/src/core/lib/transport/metadata_batch.h
index 6bb12289d5a..ea833c8cbaa 100644
--- a/src/core/lib/transport/metadata_batch.h
+++ b/src/core/lib/transport/metadata_batch.h
@@ -410,7 +410,8 @@ struct GrpcLbClientStatsMetadata {
   static const char* DisplayMemento(MementoType) {
     return "<internal-lb-stats>";
   }
-  static MementoType ParseMemento(Slice, bool, MetadataParseErrorFn) {
+  static MementoType ParseMemento(Slice, bool, MetadataParseErrorFn error) {
+    error("not a valid value for grpclb_client_stats", Slice());
     return nullptr;
   }
 };
diff --git a/src/objective-c/tests/Hosts/ios-host/AppDelegate.github.h b/src/objective-c/tests/Hosts/ios-host/AppDelegate.github.h
index daf5a5eb6d1..83b3bf59417 100644
--- a/src/objective-c/tests/Hosts/ios-host/AppDelegate.github.h
+++ b/src/objective-c/tests/Hosts/ios-host/AppDelegate.github.h
@@ -22,4 +22,4 @@
 
 @property(strong, nonatomic) UIWindow* window;
 
-@end
\ No newline at end of file
+@end
diff --git a/src/objective-c/tests/Hosts/ios-host/AppDelegate.github.m b/src/objective-c/tests/Hosts/ios-host/AppDelegate.github.m
index 2d7c5122c1e..4a76f4c488c 100644
--- a/src/objective-c/tests/Hosts/ios-host/AppDelegate.github.m
+++ b/src/objective-c/tests/Hosts/ios-host/AppDelegate.github.m
@@ -24,4 +24,4 @@
 
 @implementation AppDelegate
 
-@end
\ No newline at end of file
+@end
diff --git a/src/objective-c/tests/Hosts/ios-host/Info.github.plist b/src/objective-c/tests/Hosts/ios-host/Info.github.plist
index 42c9f612977..e5baf19b85c 100644
--- a/src/objective-c/tests/Hosts/ios-host/Info.github.plist
+++ b/src/objective-c/tests/Hosts/ios-host/Info.github.plist
@@ -38,4 +38,4 @@
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
 </dict>
-</plist>
\ No newline at end of file
+</plist>
diff --git a/src/objective-c/tests/Hosts/ios-host/main.github.m b/src/objective-c/tests/Hosts/ios-host/main.github.m
index f1a3c9bab10..2797c6f17f2 100644
--- a/src/objective-c/tests/Hosts/ios-host/main.github.m
+++ b/src/objective-c/tests/Hosts/ios-host/main.github.m
@@ -23,4 +23,4 @@ int main(int argc, char* argv[]) {
   @autoreleasepool {
     return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
   }
-}
\ No newline at end of file
+}
diff --git a/test/core/transport/chaotic_good/frame_fuzzer_corpus/5691448031772672 b/test/core/transport/chaotic_good/frame_fuzzer_corpus/5691448031772672
new file mode 100644
index 00000000000..98e8a28385d
Binary files /dev/null and b/test/core/transport/chaotic_good/frame_fuzzer_corpus/5691448031772672 differ