From b3efa7d3fe81c8ff337a401de36b08189be79ed5 Mon Sep 17 00:00:00 2001
From: Ivan Nardi <12729895+IvanNardi@users.noreply.github.com>
Date: Thu, 25 Jan 2024 09:58:20 +0100
Subject: fuzz: fuzz_config: we need bigegr inputs (#2285)

---
 fuzz/fuzz_config.cpp     | 7 ++-----
 fuzz/fuzz_config.options | 2 ++
 2 files changed, 4 insertions(+), 5 deletions(-)

(limited to 'fuzz')

diff --git a/fuzz/fuzz_config.cpp b/fuzz/fuzz_config.cpp
index f99b87358..f906dab02 100644
--- a/fuzz/fuzz_config.cpp
+++ b/fuzz/fuzz_config.cpp
@@ -34,11 +34,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   char cfg_param[32];
   u_int64_t cat_userdata = 0;
 
-
-  /* Just to be sure to have some data */
-  if(fuzzed_data.remaining_bytes() < NDPI_MAX_SUPPORTED_PROTOCOLS * 2 + 200)
-    return -1;
-
   /* To allow memory allocation failures */
   fuzz_set_alloc_callbacks_and_seed(size);
 
@@ -85,6 +80,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     ndpi_load_malicious_sha1_file(ndpi_info_mod, fuzzed_data.ConsumeBool() ? NULL : "invalid_filename"); /* Error */
   if(fuzzed_data.ConsumeBool())
     ndpi_load_domain_suffixes(ndpi_info_mod, (char *)"public_suffix_list.dat");
+  if(fuzzed_data.ConsumeBool())
+    ndpi_load_domain_suffixes(ndpi_info_mod, (char *)"public_suffix_list.dat"); /* To trigger reload */
   if(fuzzed_data.ConsumeBool())
     ndpi_load_domain_suffixes(ndpi_info_mod, fuzzed_data.ConsumeBool() ? NULL : (char *)"invalid_filename"); /* Error */
   /* Note that this function is not used by ndpiReader */
diff --git a/fuzz/fuzz_config.options b/fuzz/fuzz_config.options
index 1c815b33f..154965aa4 100644
--- a/fuzz/fuzz_config.options
+++ b/fuzz/fuzz_config.options
@@ -1,2 +1,4 @@
 [libfuzzer]
 close_fd_mask=1
+max_len=8192
+len_control=0
-- 
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