fuzz: add fuzzers to test bitmap64 and domain_classify data structures

.gitignore

@@ -70,6 +70,8 @@
 /fuzz/fuzz_ds_ptree
 /fuzz/fuzz_ds_hash
 /fuzz/fuzz_ds_ahocorasick
+/fuzz/fuzz_ds_bitmap64
+/fuzz/fuzz_ds_domain_classify
 /fuzz/fuzz_libinjection
 /fuzz/fuzz_tls_certificate
 /fuzz/fuzz_dga
@@ -97,6 +99,8 @@
 /fuzz/fuzz_ds_tree_seed_corpus.zip
 /fuzz/fuzz_ds_ptree_seed_corpus.zip
 /fuzz/fuzz_ds_ahocorasick_seed_corpus.zip
+/fuzz/fuzz_ds_bitmap64_seed_corpus.zip
+/fuzz/fuzz_ds_domain_classify_seed_corpus.zip
 /fuzz/fuzz_libinjection_seed_corpus.zip
 /fuzz/fuzz_tls_certificate_seed_corpus.zip
 /fuzz/fuzz_filecfg_protocols_seed_corpus.zip

fuzz/Makefile.am

@@ -2,7 +2,7 @@ bin_PROGRAMS = fuzz_process_packet fuzz_ndpi_reader fuzz_ndpi_reader_alloc_fail
 #Alghoritms
 bin_PROGRAMS += fuzz_alg_bins fuzz_alg_hll fuzz_alg_hw_rsi_outliers_da fuzz_alg_jitter fuzz_alg_ses_des fuzz_alg_crc32_md5 fuzz_alg_bytestream
 #Data structures
-bin_PROGRAMS += fuzz_ds_patricia fuzz_ds_ahocorasick fuzz_ds_libcache fuzz_ds_tree fuzz_ds_ptree fuzz_ds_hash fuzz_ds_cmsketch
+bin_PROGRAMS += fuzz_ds_patricia fuzz_ds_ahocorasick fuzz_ds_libcache fuzz_ds_tree fuzz_ds_ptree fuzz_ds_hash fuzz_ds_cmsketch fuzz_ds_bitmap64 fuzz_ds_domain_classify
 #Third party
 bin_PROGRAMS += fuzz_libinjection
 #Internal crypto
@@ -328,6 +328,36 @@ fuzz_ds_cmsketch_LINK=$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
     $(LIBTOOLFLAGS) --mode=link $(CXX) @NDPI_CFLAGS@ $(AM_CXXFLAGS) $(CXXFLAGS) \
     $(fuzz_ds_cmsketch_LDFLAGS) @NDPI_LDFLAGS@ $(LDFLAGS) -o $@
 
+fuzz_ds_bitmap64_SOURCES = fuzz_ds_bitmap64.cpp fuzz_common_code.c
+fuzz_ds_bitmap64_CXXFLAGS = @NDPI_CFLAGS@ $(CXXFLAGS)
+fuzz_ds_bitmap64_CFLAGS = @NDPI_CFLAGS@ $(CXXFLAGS)
+fuzz_ds_bitmap64_LDADD = ../src/lib/libndpi.a $(ADDITIONAL_LIBS)
+fuzz_ds_bitmap64_LDFLAGS = $(LIBS)
+if HAS_FUZZLDFLAGS
+fuzz_ds_bitmap64_CXXFLAGS += $(LIB_FUZZING_ENGINE)
+fuzz_ds_bitmap64_CFLAGS += $(LIB_FUZZING_ENGINE)
+fuzz_ds_bitmap64_LDFLAGS += $(LIB_FUZZING_ENGINE)
+endif
+# force usage of CXX for linker
+fuzz_ds_bitmap64_LINK=$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+    $(LIBTOOLFLAGS) --mode=link $(CXX) @NDPI_CFLAGS@ $(AM_CXXFLAGS) $(CXXFLAGS) \
+    $(fuzz_ds_bitmap64_LDFLAGS) @NDPI_LDFLAGS@ $(LDFLAGS) -o $@
+
+fuzz_ds_domain_classify_SOURCES = fuzz_ds_domain_classify.cpp fuzz_common_code.c
+fuzz_ds_domain_classify_CXXFLAGS = @NDPI_CFLAGS@ $(CXXFLAGS)
+fuzz_ds_domain_classify_CFLAGS = @NDPI_CFLAGS@ $(CXXFLAGS)
+fuzz_ds_domain_classify_LDADD = ../src/lib/libndpi.a $(ADDITIONAL_LIBS)
+fuzz_ds_domain_classify_LDFLAGS = $(LIBS)
+if HAS_FUZZLDFLAGS
+fuzz_ds_domain_classify_CXXFLAGS += $(LIB_FUZZING_ENGINE)
+fuzz_ds_domain_classify_CFLAGS += $(LIB_FUZZING_ENGINE)
+fuzz_ds_domain_classify_LDFLAGS += $(LIB_FUZZING_ENGINE)
+endif
+# force usage of CXX for linker
+fuzz_ds_domain_classify_LINK=$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+    $(LIBTOOLFLAGS) --mode=link $(CXX) @NDPI_CFLAGS@ $(AM_CXXFLAGS) $(CXXFLAGS) \
+    $(fuzz_ds_domain_classify_LDFLAGS) @NDPI_LDFLAGS@ $(LDFLAGS) -o $@
+
 fuzz_libinjection_SOURCES = fuzz_libinjection.c
 fuzz_libinjection_CFLAGS = @NDPI_CFLAGS@ $(CXXFLAGS)
 fuzz_libinjection_LDADD = ../src/lib/libndpi.a $(ADDITIONAL_LIBS)
@@ -440,17 +470,14 @@ fuzz_ndpi_reader_payload_analyzer_seed_corpus.zip: $(testpcaps)
 	zip -j fuzz_ndpi_reader_payload_analyzer_seed_corpus.zip $(testpcaps)
 
 files_corpus_fuzz_quic_get_crypto_data :=  $(wildcard corpus/fuzz_quic_get_crypto_data/*)
-
 fuzz_quic_get_crypto_data_seed_corpus.zip: $(files_corpus_fuzz_quic_get_crypto_data)
 	zip -j fuzz_quic_get_crypto_data_seed_corpus.zip $(files_corpus_fuzz_quic_get_crypto_data)
 
 files_corpus_fuzz_config :=  $(wildcard corpus/fuzz_config/*)
-
 fuzz_config_seed_corpus.zip: $(files_corpus_fuzz_config)
 	zip -j fuzz_config_seed_corpus.zip $(files_corpus_fuzz_config)
 
 files_corpus_fuzz_serialization :=  $(wildcard corpus/fuzz_serialization/*)
-
 fuzz_serialization_seed_corpus.zip: $(files_corpus_fuzz_serialization)
 	zip -j fuzz_serialization_seed_corpus.zip $(files_corpus_fuzz_serialization)
 
@@ -460,91 +487,82 @@ fuzz_community_id_seed_corpus.zip: $(files_corpus_fuzz_community_id)
 	zip -j fuzz_community_id_seed_corpus.zip $(files_corpus_fuzz_community_id)
 
 files_corpus_fuzz_ds_patricia :=  $(wildcard corpus/fuzz_ds_patricia/*)
-
 fuzz_ds_patricia_seed_corpus.zip: $(files_corpus_fuzz_ds_patricia)
 	zip -j fuzz_ds_patricia_seed_corpus.zip $(files_corpus_fuzz_ds_patricia)
 
 files_corpus_fuzz_ds_ahocorasick :=  $(wildcard corpus/fuzz_ds_ahocorasick/*)
-
 fuzz_ds_ahocorasick_seed_corpus.zip: $(files_corpus_fuzz_ds_ahocorasick)
 	zip -j fuzz_ds_ahocorasick_seed_corpus.zip $(files_corpus_fuzz_ds_ahocorasick)
 
 files_corpus_fuzz_alg_ses_des :=  $(wildcard corpus/fuzz_alg_ses_des/*)
-
 fuzz_alg_ses_des_seed_corpus.zip: $(files_corpus_fuzz_alg_ses_des)
 	zip -j fuzz_alg_ses_des_seed_corpus.zip $(files_corpus_fuzz_alg_ses_des)
 
 files_corpus_fuzz_alg_hw_rsi_outliers_da :=  $(wildcard corpus/fuzz_alg_hw_rsi_outliers_da/*)
-
 fuzz_alg_hw_rsi_outliers_da_seed_corpus.zip: $(files_corpus_fuzz_alg_hw_rsi_outliers_da)
 	zip -j fuzz_alg_hw_rsi_outliers_da_seed_corpus.zip $(files_corpus_fuzz_alg_hw_rsi_outliers_da)
 
 files_corpus_fuzz_alg_bins :=  $(wildcard corpus/fuzz_alg_bins/*)
-
 fuzz_alg_bins_seed_corpus.zip: $(files_corpus_fuzz_alg_bins)
 	zip -j fuzz_alg_bins_seed_corpus.zip $(files_corpus_fuzz_alg_bins)
 
 files_corpus_fuzz_alg_hll :=  $(wildcard corpus/fuzz_alg_hll/*)
-
 fuzz_alg_hll_seed_corpus.zip: $(files_corpus_fuzz_alg_hll)
 	zip -j fuzz_alg_hll_seed_corpus.zip $(files_corpus_fuzz_alg_hll)
 
 files_corpus_fuzz_alg_jitter :=  $(wildcard corpus/fuzz_alg_jitter/*)
-
 fuzz_alg_jitter_seed_corpus.zip: $(files_corpus_fuzz_alg_jitter)
 	zip -j fuzz_alg_jitter_seed_corpus.zip $(files_corpus_fuzz_alg_jitter)
 
 files_corpus_fuzz_alg_crc32_md5 :=  $(wildcard corpus/fuzz_alg_crc32_md5/*)
-
 fuzz_alg_crc32_md5_seed_corpus.zip: $(files_corpus_fuzz_alg_crc32_md5)
 	zip -j fuzz_alg_crc32_md5_seed_corpus.zip $(files_corpus_fuzz_alg_crc32_md5)
 
 files_corpus_fuzz_ds_libcache :=  $(wildcard corpus/fuzz_ds_libcache/*)
-
 fuzz_ds_libcache_seed_corpus.zip: $(files_corpus_fuzz_ds_libcache)
 	zip -j fuzz_ds_libcache_seed_corpus.zip $(files_corpus_fuzz_ds_libcache)
 
 files_corpus_fuzz_ds_tree :=  $(wildcard corpus/fuzz_ds_tree/*)
-
 fuzz_ds_tree_seed_corpus.zip: $(files_corpus_fuzz_ds_tree)
 	zip -j fuzz_ds_tree_seed_corpus.zip $(files_corpus_fuzz_ds_tree)
 
 files_corpus_fuzz_ds_ptree :=  $(wildcard corpus/fuzz_ds_ptree/*)
-
 fuzz_ds_ptree_seed_corpus.zip: $(files_corpus_fuzz_ds_ptree)
 	zip -j fuzz_ds_ptree_seed_corpus.zip $(files_corpus_fuzz_ds_ptree)
 
 files_corpus_fuzz_alg_bytestream :=  $(wildcard corpus/fuzz_alg_bytestream/*)
-
 fuzz_alg_bytestream_seed_corpus.zip: $(files_corpus_fuzz_alg_bytestream)
 	zip -j fuzz_alg_bytestream_seed_corpus.zip $(files_corpus_fuzz_alg_bytestream)
 
 files_corpus_fuzz_libinjection :=  $(wildcard corpus/fuzz_libinjection/*)
-
 fuzz_libinjection_seed_corpus.zip: $(files_corpus_fuzz_libinjection)
 	zip -j fuzz_libinjection_seed_corpus.zip $(files_corpus_fuzz_libinjection)
 
 files_corpus_fuzz_tls_certificate :=  $(wildcard corpus/fuzz_tls_certificate/*)
-
 fuzz_tls_certificate_seed_corpus.zip: $(files_corpus_fuzz_tls_certificate)
 	zip -j fuzz_tls_certificate_seed_corpus.zip $(files_corpus_fuzz_tls_certificate)
 
 files_corpus_fuzz_filecfg_protocols :=  $(wildcard corpus/fuzz_filecfg_protocols/*)
-
 fuzz_filecfg_protocols_seed_corpus.zip: $(files_corpus_fuzz_filecfg_protocols)
 	zip -j fuzz_filecfg_protocols_seed_corpus.zip $(files_corpus_fuzz_filecfg_protocols)
 
 files_corpus_fuzz_readerutils_workflow :=  $(wildcard corpus/fuzz_readerutils_workflow/*)
-
 fuzz_readerutils_workflow_seed_corpus.zip: $(files_corpus_fuzz_readerutils_workflow)
 	zip -j fuzz_readerutils_workflow_seed_corpus.zip $(files_corpus_fuzz_readerutils_workflow)
 
 files_corpus_fuzz_readerutils_parseprotolist :=  $(wildcard corpus/fuzz_readerutils_parseprotolist/*)
-
 fuzz_readerutils_parseprotolist_seed_corpus.zip: $(files_corpus_fuzz_readerutils_parseprotolist)
 	zip -j fuzz_readerutils_parseprotolist_seed_corpus.zip $(files_corpus_fuzz_readerutils_parseprotolist)
 
-corpus: fuzz_ndpi_reader_seed_corpus.zip fuzz_ndpi_reader_alloc_fail_seed_corpus.zip fuzz_ndpi_reader_payload_analyzer_seed_corpus.zip fuzz_quic_get_crypto_data_seed_corpus.zip fuzz_config_seed_corpus.zip fuzz_ds_patricia_seed_corpus.zip fuzz_ds_ahocorasick_seed_corpus.zip fuzz_alg_ses_des_seed_corpus.zip fuzz_alg_hw_rsi_outliers_da_seed_corpus.zip fuzz_alg_bins_seed_corpus.zip fuzz_alg_hll_seed_corpus.zip fuzz_alg_jitter_seed_corpus.zip fuzz_ds_libcache_seed_corpus.zip fuzz_community_id_seed_corpus.zip fuzz_ds_tree_seed_corpus.zip fuzz_serialization_seed_corpus.zip fuzz_ds_ptree_seed_corpus.zip fuzz_alg_crc32_md5_seed_corpus.zip fuzz_alg_bytestream_seed_corpus.zip fuzz_libinjection_seed_corpus.zip fuzz_tls_certificate_seed_corpus.zip fuzz_filecfg_protocols_seed_corpus.zip fuzz_readerutils_workflow_seed_corpus.zip fuzz_readerutils_parseprotolist_seed_corpus.zip
+files_corpus_fuzz_ds_bitmap64 :=  $(wildcard corpus/fuzz_ds_bitmap64/*)
+fuzz_ds_bitmap64_seed_corpus.zip: $(files_corpus_fuzz_ds_bitmap64)
+	zip -j fuzz_ds_bitmap64_seed_corpus.zip $(files_corpus_fuzz_ds_bitmap64)
+
+files_corpus_fuzz_ds_domain_classify :=  $(wildcard corpus/fuzz_ds_domain_classify/*)
+fuzz_ds_domain_classify_seed_corpus.zip: $(files_corpus_fuzz_ds_domain_classify)
+	zip -j fuzz_ds_domain_classify_seed_corpus.zip $(files_corpus_fuzz_ds_domain_classify)
+
+corpus: fuzz_ndpi_reader_seed_corpus.zip fuzz_ndpi_reader_alloc_fail_seed_corpus.zip fuzz_ndpi_reader_payload_analyzer_seed_corpus.zip fuzz_quic_get_crypto_data_seed_corpus.zip fuzz_config_seed_corpus.zip fuzz_ds_patricia_seed_corpus.zip fuzz_ds_ahocorasick_seed_corpus.zip fuzz_alg_ses_des_seed_corpus.zip fuzz_alg_hw_rsi_outliers_da_seed_corpus.zip fuzz_alg_bins_seed_corpus.zip fuzz_alg_hll_seed_corpus.zip fuzz_alg_jitter_seed_corpus.zip fuzz_ds_libcache_seed_corpus.zip fuzz_community_id_seed_corpus.zip fuzz_ds_tree_seed_corpus.zip fuzz_serialization_seed_corpus.zip fuzz_ds_ptree_seed_corpus.zip fuzz_alg_crc32_md5_seed_corpus.zip fuzz_alg_bytestream_seed_corpus.zip fuzz_libinjection_seed_corpus.zip fuzz_tls_certificate_seed_corpus.zip fuzz_filecfg_protocols_seed_corpus.zip fuzz_readerutils_workflow_seed_corpus.zip fuzz_readerutils_parseprotolist_seed_corpus.zip fuzz_ds_bitmap64_seed_corpus.zip fuzz_ds_domain_classify_seed_corpus.zip
 	cp corpus/fuzz_*seed_corpus.zip .
 
 #Create dictionaries exactly as expected by oss-fuzz.
@@ -588,6 +606,8 @@ distdir:
 		-o -path './corpus/fuzz_ds_ahocorasick/*' \
 		-o -path './corpus/fuzz_ds_libcache/*' \
 		-o -path './corpus/fuzz_ds_tree/*' \
+		-o -path './corpus/fuzz_ds_bitmap64/*' \
+		-o -path './corpus/fuzz_ds_domain_classify/*' \
 		-o -path './corpus/fuzz_ds_ptree/*' \
 		-o -path './corpus/fuzz_ds_patricia/*' | xargs -I'{}' cp -r '{}' '$(distdir)/{}'
 

fuzz/corpus/fuzz_ds_bitmap64/000b6da044c11d100ffecc1c58f236a0c243f2c9

@@ -0,0 +1 @@
+Œ”Â

fuzz/corpus/fuzz_ds_bitmap64/0c78f9445a26753487132bc34b2fa5526b82357b

@@ -0,0 +1 @@
+ŸíßšÍ	@!~kɇ˝Ú>Ì-

fuzz/corpus/fuzz_ds_bitmap64/0c9acbe4dba896e14dbaaf1063b4b445d2fd8f53

@@ -0,0 +1 @@
+N!	

fuzz/corpus/fuzz_ds_bitmap64/0db99f086dca27ead6b42db91de404061b623981

@@ -0,0 +1 @@
+ŸíÝNŸK®¤Ù»ë8L@޴ҝZÍQâ ;§¼½îîî°³Z£éª€†°àòMe¼~)>Ì7

fuzz/corpus/fuzz_ds_bitmap64/0eff7f526d9e547a3fd3fc0bfbaefa1e686ec9ec

@@ -0,0 +1 @@
+ŒKÔ?

fuzz/corpus/fuzz_ds_bitmap64/2730ef1769e66315391286ab579e13efc1baa670

@@ -0,0 +1 @@
+žÿÿžz

fuzz/corpus/fuzz_ds_bitmap64/27e24cb43045da83ad481dd8c6cd38de1bd359fc

@@ -0,0 +1 @@
+ŒíݟKÔ?

fuzz/corpus/fuzz_ds_bitmap64/3c2fa67399fcc4c7de379137a631ac8278f5edc7

@@ -0,0 +1 @@
+ŒíÝNŸK!	ԉþkӒ

fuzz/corpus/fuzz_ds_bitmap64/4b7cc42c02089c817ff610eb65d149356d96062a

@@ -0,0 +1 @@
+ŒíÝ*Â:B¹­¹‹XÝ·Äb°níP«p*;NÜ':

fuzz/corpus/fuzz_ds_bitmap64/6886bfb6a9cb9398e4dfbf0fa4fb909148d442a1

@@ -0,0 +1 @@
+Œ”RÂ

fuzz/corpus/fuzz_ds_bitmap64/90f53e4946ded91eedeffe75747a9118d747d029

@@ -0,0 +1 @@
+Œÿÿÿÿ1”RÂ

fuzz/corpus/fuzz_ds_bitmap64/9e55233a97010a5a3f2dfad360e5c8a3e2d9b8ef

@@ -0,0 +1 @@
+ŒíPPPPPPPPPPNPPPPPPPPPPPPPPPPPPPPPPPPPPNPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP'ý„_Ӓ

fuzz/corpus/fuzz_ds_bitmap64/aff44f8008132c50796911f5f52f1e2307c2a858

@@ -0,0 +1 @@
+Œÿÿÿÿÿÿÿÿ2ó”RÂ

fuzz/corpus/fuzz_ds_bitmap64/b51a60734da64be0e618bacbea2865a8a7dcd669

@@ -0,0 +1 @@
+N

fuzz/corpus/fuzz_ds_bitmap64/b5f6e6294cc83f68f906cdc5195a45c30ce11121

@@ -0,0 +1 @@
+Œ­Ý!ĉþùäMóe˜'ýÓӒ

fuzz/corpus/fuzz_ds_bitmap64/cedb4282204e8a6469f370e6ed6b082ba0017b54

@@ -0,0 +1 @@
+ŒŒíÝNŸK!	íÝNŸK!	Ô

fuzz/corpus/fuzz_ds_bitmap64/d58f4b573cd04c2ff3df7487ca8c5bc942335a30

@@ -0,0 +1 @@
+Œíÿÿžÿÿÿÿÿÿÿÿÿÿÿÿÿÿ2ó”RÂ

fuzz/corpus/fuzz_ds_bitmap64/d9739412222ab242871c5292f12e5556e779a9c8

@@ -0,0 +1 @@
+N!

fuzz/corpus/fuzz_ds_bitmap64/e54dbe399501a4027fdd3e2bcd547b4ba8699d00

@@ -0,0 +1 @@
+EÐ?

fuzz/corpus/fuzz_ds_bitmap64/fa5b31c6f43981ff6a304189345466790de5a10b

@@ -0,0 +1 @@
+ŒŒíÝNŸKÔ?

fuzz/corpus/fuzz_ds_domain_classify/094d98b399bf4ace7b8899ab7081e867fb03f869

@@ -0,0 +1 @@
+

fuzz/corpus/fuzz_ds_domain_classify/1c19ecde3ec34849b56eaf7644891b363aed140a

@@ -0,0 +1 @@
+óÕC^‘Ñ“Ã,©˜D"֝¼.N(ç%¼+Ùx ¡]

fuzz/corpus/fuzz_ds_domain_classify/2d0134ed3b9de132c720fe697b532b4c232ff9fe

@@ -0,0 +1 @@
+

fuzz/corpus/fuzz_ds_domain_classify/39f0e3be6ce5f0f68b2f4980f49d33a8eddceffe

@@ -0,0 +1 @@
+.
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fuzz/corpus/fuzz_ds_domain_classify/54a5dc7b5a3c176c8a7860763016b099851a7177

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fuzz/corpus/fuzz_ds_domain_classify/64b68bf5b882b9bd0b37267287980ecfa0e44a85

@@ -0,0 +1 @@
+

fuzz/corpus/fuzz_ds_domain_classify/659f0d816b309d7b36420e455dac2b72c422e043

@@ -0,0 +1 @@
+ó

fuzz/corpus/fuzz_ds_domain_classify/9842926af7ca0a8cca12604f945414f07b01e13d

@@ -0,0 +1 @@
+

fuzz/corpus/fuzz_ds_domain_classify/a42c6cf1de3abfdea9b95f34687cbbe92b9a7383

@@ -0,0 +1 @@
+

fuzz/corpus/fuzz_ds_domain_classify/bf8b4530d8d246dd74ac53a13471bba17941dff7

@@ -0,0 +1 @@
+

fuzz/corpus/fuzz_ds_domain_classify/c4ea21bb365bbeeaf5f2c654883e56d11e43c44e

@@ -0,0 +1 @@
+

fuzz/corpus/fuzz_ds_domain_classify/c7255dc48b42d44f6c0676d6009051b7e1aa885b

@@ -0,0 +1 @@
+

fuzz/corpus/fuzz_ds_domain_classify/fdaaa229ce19324a2adfaeee8f637a5f6e29719b

@@ -0,0 +1 @@
+›óP¼

fuzz/fuzz_alg_crc32_md5.c

@@ -3,14 +3,32 @@
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   u_char hash[16];
   struct ndpi_popcount popcount;
+  char *str;
 
   /* No memory allocations involved */
 
-  /* Used for crc32, md5 and popcount algs */
+  /* Used for crc32, md5, hash(es) and popcount algs */
 
   ndpi_crc32(data, size);
   ndpi_md5(data, size, hash);
 
+  ndpi_murmur_hash((const char *)data, size);
+  ndpi_quick_hash(data, size);
+
+  str = ndpi_malloc(size + 1);
+  if(str) {
+    memcpy(str, data, size);
+    str[size] = '\0';
+
+    ndpi_quick_hash64((const char *)str, strlen(str));
+    ndpi_hash_string(str);
+    ndpi_rev_hash_string(str);
+    ndpi_hash_string_len(str, strlen(str));
+
+    ndpi_free(str);
+  }
+
+
   ndpi_popcount_init(&popcount);
   ndpi_popcount_count(&popcount, data, size);
 

fuzz/fuzz_ds_bitmap64.cpp

@@ -0,0 +1,54 @@
+#include "ndpi_api.h"
+#include "fuzz_common_code.h"
+
+#include <stdint.h>
+#include "fuzzer/FuzzedDataProvider.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  FuzzedDataProvider fuzzed_data(data, size);
+  u_int16_t i, num_iteration, is_added = 0;
+  ndpi_bitmap64 *b;
+  bool rc;
+  u_int64_t value, value_added;
+
+  /* To allow memory allocation failures */
+  fuzz_set_alloc_callbacks_and_seed(size);
+
+  b = ndpi_bitmap64_alloc();
+
+  if(fuzzed_data.ConsumeBool())
+    ndpi_bitmap64_compress(b);
+
+  num_iteration = fuzzed_data.ConsumeIntegral<u_int16_t>();
+  for (i = 0; i < num_iteration; i++) {
+    value = fuzzed_data.ConsumeIntegral<u_int64_t>();
+
+    rc = ndpi_bitmap64_set(b, value);
+    /* Keep one random entry really added */
+    if (rc == true && is_added == 0 && fuzzed_data.ConsumeBool()) {
+      value_added = value;
+      is_added = 1;
+    }
+  }
+
+  if(fuzzed_data.ConsumeBool())
+    ndpi_bitmap64_compress(b);
+
+  /* "Random" search */
+  num_iteration = fuzzed_data.ConsumeIntegral<u_int8_t>();
+  for (i = 0; i < num_iteration; i++) {
+    value = fuzzed_data.ConsumeIntegral<u_int64_t>();
+
+    ndpi_bitmap64_isset(b, value);
+  }
+  /* Search of an added entry */
+  if (is_added) {
+    ndpi_bitmap64_isset(b, value_added);
+  }
+
+  ndpi_bitmap64_size(b);
+
+  ndpi_bitmap64_free(b);
+
+  return 0;
+}