diff --git a/projects/mpg123/decode_fuzzer.cc b/projects/mpg123/decode_fuzzer.cc
index 9dafb20f3..4fe4b2e63 100644
--- a/projects/mpg123/decode_fuzzer.cc
+++ b/projects/mpg123/decode_fuzzer.cc
@@ -36,7 +36,9 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   FuzzedDataProvider provider(data, size);
   while ((decode_ret != MPG123_ERR)) {
     if (decode_ret == MPG123_NEED_MORE) {
-      if (provider.remaining_bytes() == 0) {
+      if (provider.remaining_bytes() == 0
+          || mpg123_tellframe(handle) > 10000
+          || mpg123_tell_stream(handle) > 1<<20) {
         break;
       }
       const size_t next_size = provider.ConsumeIntegralInRange<size_t>(
diff --git a/projects/mpg123/read_fuzzer.c b/projects/mpg123/read_fuzzer.c
index 75e9275c0..9126dd646 100644
--- a/projects/mpg123/read_fuzzer.c
+++ b/projects/mpg123/read_fuzzer.c
@@ -75,7 +75,8 @@ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     do {
       size_t decoded_size;
       read_error = mpg123_read(handle, outmemory, outmemorysize, &decoded_size);
-    } while (read_error == MPG123_OK);
+    } while (read_error == MPG123_OK && mpg123_tellframe(handle) <= 10000
+          && mpg123_tell_stream(handle) <= 1<<20);
   }
 
   mpg123_close(handle);