Fix fuzzing detected error

src/core/ext/transport/chttp2/transport/hpack_parser.c

@@ -1625,8 +1625,14 @@ grpc_error *grpc_chttp2_hpack_parser_parse(grpc_exec_ctx *exec_ctx,
      stack space usage when no tail call optimization is
      available */
   p->current_slice_refcount = slice.refcount;
-  grpc_error *error = p->state(exec_ctx, p, GRPC_SLICE_START_PTR(slice),
-                               GRPC_SLICE_END_PTR(slice));
+  uint8_t *start = GRPC_SLICE_START_PTR(slice);
+  uint8_t *end = GRPC_SLICE_END_PTR(slice);
+  grpc_error *error = GRPC_ERROR_NONE;
+  while (start != end && error == GRPC_ERROR_NONE) {
+    uint8_t *target = start + GPR_MIN(1024, end - start);
+    error = p->state(exec_ctx, p, start, target);
+    start = target;
+  }
   p->current_slice_refcount = NULL;
   return error;
 }

tools/run_tests/generated/tests.json

@@ -114587,6 +114587,28 @@
     ], 
     "uses_polling": false
   }, 
+  {
+    "args": [
+      "test/core/transport/chttp2/hpack_parser_corpus/clusterfuzz-testcase-5298216461402112"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [
+      "tsan"
+    ], 
+    "exclude_iomgrs": [
+      "uv"
+    ], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "hpack_parser_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux"
+    ], 
+    "uses_polling": false
+  }, 
   {
     "args": [
       "test/core/transport/chttp2/hpack_parser_corpus/crash-5ac3e1ea7764cfb6383629574262f82dc7b3cada"