fuzz: improve fuzzing coverage (#2239)

145 files changed, 73 insertions, 58 deletions

diff --git a/.gitignore b/.gitignore
index f74e60d4d..83eb5a759 100644
--- a/.gitignore
+++ b/.gitignore
@@ -104,13 +104,11 @@
 /fuzz/fuzz_alg_hll_seed_corpus.zip
 /fuzz/fuzz_alg_jitter_seed_corpus.zip
 /fuzz/fuzz_alg_crc32_md5_seed_corpus.zip
-/fuzz/fuzz_alg_hw_rsi_outliers_da_seed_corpus.zip
 /fuzz/fuzz_alg_bytestream_seed_corpus.zip
 /fuzz/fuzz_ds_patricia_seed_corpus.zip
 /fuzz/fuzz_ds_libcache_seed_corpus.zip
 /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
diff --git a/fuzz/Makefile.am b/fuzz/Makefile.am
index 978102813..3252b1fba 100644
--- a/fuzz/Makefile.am
+++ b/fuzz/Makefile.am
@@ -635,18 +635,10 @@ 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)
@@ -723,7 +715,7 @@ files_corpus_fuzz_ds_domain_classify :=  $(wildcard corpus/fuzz_ds_domain_classi
 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 fuzz_filecfg_protocols_seed_corpus.zip fuzz_is_stun_udp_seed_corpus.zip fuzz_is_stun_tcp_seed_corpus.zip fuzz_filecfg_malicious_sha1_seed_corpus.zip fuzz_filecfg_malicious_ja3_seed_corpus.zip fuzz_filecfg_risk_domains_seed_corpus.zip
+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_alg_ses_des_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 fuzz_filecfg_protocols_seed_corpus.zip fuzz_is_stun_udp_seed_corpus.zip fuzz_is_stun_tcp_seed_corpus.zip fuzz_filecfg_malicious_sha1_seed_corpus.zip fuzz_filecfg_malicious_ja3_seed_corpus.zip fuzz_filecfg_risk_domains_seed_corpus.zip
 	cp corpus/fuzz_*seed_corpus.zip .
 
 #Create dictionaries exactly as expected by oss-fuzz.
@@ -770,9 +762,7 @@ distdir:
 		-o -path './corpus/fuzz_alg_hll/*' \
 		-o -path './corpus/fuzz_alg_jitter/*' \
 		-o -path './corpus/fuzz_alg_crc32_md5/*' \
-		-o -path './corpus/fuzz_alg_hw_rsi_outliers_da/*' \
 		-o -path './corpus/fuzz_alg_bytestream/*' \
-		-o -path './corpus/fuzz_ds_ahocorasick/*' \
 		-o -path './corpus/fuzz_ds_libcache/*' \
 		-o -path './corpus/fuzz_ds_tree/*' \
 		-o -path './corpus/fuzz_ds_bitmap64/*' \
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/068a7079ad6069fabdeb42269ccd368c37b904bb b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/068a7079ad6069fabdeb42269ccd368c37b904bb
deleted file mode 100644
index 74e5cca18..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/068a7079ad6069fabdeb42269ccd368c37b904bb
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/09b195367a58be327e631787a22e885140b0947d b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/09b195367a58be327e631787a22e885140b0947d
deleted file mode 100644
index ef2752e23..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/09b195367a58be327e631787a22e885140b0947d
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/172f5405b4d2548a578130c85458bd37f347c02a b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/172f5405b4d2548a578130c85458bd37f347c02a
deleted file mode 100644
index 8b5fb324b..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/172f5405b4d2548a578130c85458bd37f347c02a
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/29927946bbb09dcff4802d78c4c1ed17de74e35c b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/29927946bbb09dcff4802d78c4c1ed17de74e35c
deleted file mode 100644
index 27d001667..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/29927946bbb09dcff4802d78c4c1ed17de74e35c
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/305c5b5b341d5b53ab7eabb5d6e29d7e5834701a b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/305c5b5b341d5b53ab7eabb5d6e29d7e5834701a
deleted file mode 100644
index ed0f1c0e6..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/305c5b5b341d5b53ab7eabb5d6e29d7e5834701a
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/35c061d41400951c0a263a80a686cfe6e558f6dd b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/35c061d41400951c0a263a80a686cfe6e558f6dd
deleted file mode 100644
index a7f705865..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/35c061d41400951c0a263a80a686cfe6e558f6dd
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/37d90f50c56d9f7b111cec169f5ab9bfb4d6c265 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/37d90f50c56d9f7b111cec169f5ab9bfb4d6c265
deleted file mode 100644
index 9359392a4..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/37d90f50c56d9f7b111cec169f5ab9bfb4d6c265
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/39de2d6559664ef14feac9fb22f9d6d4e331c3df b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/39de2d6559664ef14feac9fb22f9d6d4e331c3df
deleted file mode 100644
index f4a7e7a7c..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/39de2d6559664ef14feac9fb22f9d6d4e331c3df
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/3ffba46fe2454bcc99f78c3dc6f88fe374064e61 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/3ffba46fe2454bcc99f78c3dc6f88fe374064e61
deleted file mode 100644
index 507de747b..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/3ffba46fe2454bcc99f78c3dc6f88fe374064e61
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/482a2a4e9fbf8d37e6a6b25d5e4114a680bba780 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/482a2a4e9fbf8d37e6a6b25d5e4114a680bba780
deleted file mode 100644
index 3d735a744..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/482a2a4e9fbf8d37e6a6b25d5e4114a680bba780
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/5531b5d5fc70e6c7f84abe5a783c7bf484c4a0ae b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/5531b5d5fc70e6c7f84abe5a783c7bf484c4a0ae
deleted file mode 100644
index 8c6a466db..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/5531b5d5fc70e6c7f84abe5a783c7bf484c4a0ae
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/5fe3f3ca10464f6da8b1a6cf1a4339e3af68f44d b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/5fe3f3ca10464f6da8b1a6cf1a4339e3af68f44d
deleted file mode 100644
index c539083a3..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/5fe3f3ca10464f6da8b1a6cf1a4339e3af68f44d
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/6495750adcb1dc596d5421110435e450dcd28ff4 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/6495750adcb1dc596d5421110435e450dcd28ff4
deleted file mode 100644
index 7b20ac273..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/6495750adcb1dc596d5421110435e450dcd28ff4
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/64d82fa9ff5e3e69950545c69d17ef539705daad b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/64d82fa9ff5e3e69950545c69d17ef539705daad
deleted file mode 100644
index f73d917ab..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/64d82fa9ff5e3e69950545c69d17ef539705daad
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/69258ba961995c724bda16e54849ddf4214b5268 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/69258ba961995c724bda16e54849ddf4214b5268
deleted file mode 100644
index 0e1e7e57f..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/69258ba961995c724bda16e54849ddf4214b5268
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/6de7e37decb93442fe5670cbcd79fbb787fae873 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/6de7e37decb93442fe5670cbcd79fbb787fae873
deleted file mode 100644
index 829f43998..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/6de7e37decb93442fe5670cbcd79fbb787fae873
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/714d9c6db5682d54dab9b32e1e0a0d9af41be7db b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/714d9c6db5682d54dab9b32e1e0a0d9af41be7db
deleted file mode 100644
index a7ee702a7..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/714d9c6db5682d54dab9b32e1e0a0d9af41be7db
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/7c5fb8b23093b4e1df0c460decc235452fb43018 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/7c5fb8b23093b4e1df0c460decc235452fb43018
deleted file mode 100644
index 363bc248e..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/7c5fb8b23093b4e1df0c460decc235452fb43018
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/7e5d0a67d44dafd4c97dbae0f22df352ffa9a7a5 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/7e5d0a67d44dafd4c97dbae0f22df352ffa9a7a5
deleted file mode 100644
index f5bcf5f62..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/7e5d0a67d44dafd4c97dbae0f22df352ffa9a7a5
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/8140db22a442f2b6ff79f913295dc65ff002ce18 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/8140db22a442f2b6ff79f913295dc65ff002ce18
deleted file mode 100644
index 0db169e5b..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/8140db22a442f2b6ff79f913295dc65ff002ce18
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/8b567822f6e99bbae5d45fe773b57d91eab80523 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/8b567822f6e99bbae5d45fe773b57d91eab80523
deleted file mode 100644
index 13906a02c..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/8b567822f6e99bbae5d45fe773b57d91eab80523
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/8d7499281629925528f4b1d1965b30d18e8106cc b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/8d7499281629925528f4b1d1965b30d18e8106cc
deleted file mode 100644
index 570e2fc7b..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/8d7499281629925528f4b1d1965b30d18e8106cc
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/9017e147102941d3853c0d4d9221ddb5c5d96252 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/9017e147102941d3853c0d4d9221ddb5c5d96252
deleted file mode 100644
index cc4675748..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/9017e147102941d3853c0d4d9221ddb5c5d96252
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/92901274cc8053a25ebcd9dc16000573fefca890 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/92901274cc8053a25ebcd9dc16000573fefca890
deleted file mode 100644
index 20dc10d2d..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/92901274cc8053a25ebcd9dc16000573fefca890
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/9b72fac8d43778fdedf122582f6d35da9e4ba6e8 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/9b72fac8d43778fdedf122582f6d35da9e4ba6e8
deleted file mode 100644
index 0c482053e..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/9b72fac8d43778fdedf122582f6d35da9e4ba6e8
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/aa66765aef7c1f280eefd72fd6616462abae217a b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/aa66765aef7c1f280eefd72fd6616462abae217a
deleted file mode 100644
index a7a72a77e..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/aa66765aef7c1f280eefd72fd6616462abae217a
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/ad7d95c66377765f969d13b24a160575969dafbe b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/ad7d95c66377765f969d13b24a160575969dafbe
deleted file mode 100644
index 1fd7ad432..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/ad7d95c66377765f969d13b24a160575969dafbe
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/b1aebf7ec4eb8f2100a67d5545db7abd5f6d8556 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/b1aebf7ec4eb8f2100a67d5545db7abd5f6d8556
deleted file mode 100644
index dd508825f..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/b1aebf7ec4eb8f2100a67d5545db7abd5f6d8556
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/bf65d1582d0b2d39f3a1d5bc9da87444a6ee4385 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/bf65d1582d0b2d39f3a1d5bc9da87444a6ee4385
deleted file mode 100644
index 23d523cbf..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/bf65d1582d0b2d39f3a1d5bc9da87444a6ee4385
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/c08c3a1b3079c53c6647f45ee61931e54bc4cc51 b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/c08c3a1b3079c53c6647f45ee61931e54bc4cc51
deleted file mode 100644
index 7c6431605..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/c08c3a1b3079c53c6647f45ee61931e54bc4cc51
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/c4c961f05fc573875a692289729e4a57b74467ed b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/c4c961f05fc573875a692289729e4a57b74467ed
deleted file mode 100644
index 5d93ca2c9..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/c4c961f05fc573875a692289729e4a57b74467ed
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/c660e7d49d99d3c5eb5606a74e81ccc9399e8d5a b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/c660e7d49d99d3c5eb5606a74e81ccc9399e8d5a
deleted file mode 100644
index 5922a2b65..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/c660e7d49d99d3c5eb5606a74e81ccc9399e8d5a
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/cddb2c0fa2395c911263482139b07e1ccec8037e b/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/cddb2c0fa2395c911263482139b07e1ccec8037e
deleted file mode 100644
index f0da1f22e..000000000
--- a/fuzz/corpus/fuzz_alg_hw_rsi_outliers_da/cddb2c0fa2395c911263482139b07e1ccec8037e
+++ /dev/null
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diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/7d6dad61754d37986f02fb4fdebf76c88924b721 b/fuzz/corpus/fuzz_ds_ahocorasick/7d6dad61754d37986f02fb4fdebf76c88924b721
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deleted file mode 100644
index 64d5668e1..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/e3866ba1859eec0377c563931cd0bdb372d109b6
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/e3db95fdeba1e698fdf447b4ba5349d392f20f85 b/fuzz/corpus/fuzz_ds_ahocorasick/e3db95fdeba1e698fdf447b4ba5349d392f20f85
deleted file mode 100644
index 57e7ac1ff..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/e3db95fdeba1e698fdf447b4ba5349d392f20f85
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/ea586988a98b6744558e063100765eaa0a9bee69 b/fuzz/corpus/fuzz_ds_ahocorasick/ea586988a98b6744558e063100765eaa0a9bee69
deleted file mode 100644
index e95262476..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/ea586988a98b6744558e063100765eaa0a9bee69
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/ec4e343976a59c139ce33da6a040b1317000afba b/fuzz/corpus/fuzz_ds_ahocorasick/ec4e343976a59c139ce33da6a040b1317000afba
deleted file mode 100644
index 9bf7be625..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/ec4e343976a59c139ce33da6a040b1317000afba
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/f26b8ac9baea4eae0f6682e8de949106265a8ec1 b/fuzz/corpus/fuzz_ds_ahocorasick/f26b8ac9baea4eae0f6682e8de949106265a8ec1
deleted file mode 100644
index 8a859bae6..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/f26b8ac9baea4eae0f6682e8de949106265a8ec1
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/f29d76560d2c84ccbfe2481bd9c56f1082b477f4 b/fuzz/corpus/fuzz_ds_ahocorasick/f29d76560d2c84ccbfe2481bd9c56f1082b477f4
deleted file mode 100644
index f5ddc8909..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/f29d76560d2c84ccbfe2481bd9c56f1082b477f4
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/f69f7b7933b53c99a45401c8dec9f422a5489be9 b/fuzz/corpus/fuzz_ds_ahocorasick/f69f7b7933b53c99a45401c8dec9f422a5489be9
deleted file mode 100644
index 0b76477c1..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/f69f7b7933b53c99a45401c8dec9f422a5489be9
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/f73678f30e5424ea5b4166929554be60b49348c9 b/fuzz/corpus/fuzz_ds_ahocorasick/f73678f30e5424ea5b4166929554be60b49348c9
deleted file mode 100644
index f3d08a6b6..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/f73678f30e5424ea5b4166929554be60b49348c9
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/fa4704fda51d3f6a62c4fc02a0aa94cddf79b2e0 b/fuzz/corpus/fuzz_ds_ahocorasick/fa4704fda51d3f6a62c4fc02a0aa94cddf79b2e0
deleted file mode 100644
index dcfc016fc..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/fa4704fda51d3f6a62c4fc02a0aa94cddf79b2e0
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/fb6dbdd81d0b399df74d81878cde95c566a7306f b/fuzz/corpus/fuzz_ds_ahocorasick/fb6dbdd81d0b399df74d81878cde95c566a7306f
deleted file mode 100644
index 8539c2df6..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/fb6dbdd81d0b399df74d81878cde95c566a7306f
+++ /dev/null
diff --git a/fuzz/corpus/fuzz_ds_ahocorasick/fbcb8faa6fed3255b5804faef60ba4d2b6947912 b/fuzz/corpus/fuzz_ds_ahocorasick/fbcb8faa6fed3255b5804faef60ba4d2b6947912
deleted file mode 100644
index a9d9d75ab..000000000
--- a/fuzz/corpus/fuzz_ds_ahocorasick/fbcb8faa6fed3255b5804faef60ba4d2b6947912
+++ /dev/null
diff --git a/fuzz/fuzz_alg_hw_rsi_outliers_da.cpp b/fuzz/fuzz_alg_hw_rsi_outliers_da.cpp
index 9e55a22e5..9a72b21b3 100644
--- a/fuzz/fuzz_alg_hw_rsi_outliers_da.cpp
+++ b/fuzz/fuzz_alg_hw_rsi_outliers_da.cpp
@@ -15,13 +15,14 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   u_int16_t num_periods;
   u_int8_t additive_seeasonal;
   double alpha, beta, gamma, forecast, confidence_band;
-  float significance;
-  u_int32_t *values, predict_periods;
+  float significance, lower, upper, threshold;
+  u_int32_t *values, *values2, predict_periods;
   u_int32_t prediction;
+  u_int32_t value_to_check;
   bool *outliers;
 
-  /* Use the same (integral) dataset to peform: RSI, Data analysis, HW, outliers
-     and linear regression */
+  /* Use the same (integral) dataset to peform: RSI, Data analysis, HW, outliers,
+     linear regression, Pearson correlation */
 
   /* Just to have some data */
   if(fuzzed_data.remaining_bytes() < 1024)
@@ -33,17 +34,21 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   /* Data set */
   num_values = fuzzed_data.ConsumeIntegral<u_int8_t>();
   values = (u_int32_t *)ndpi_malloc(sizeof(u_int32_t) * num_values);
+  values2 = (u_int32_t *)ndpi_malloc(sizeof(u_int32_t) * num_values);
   outliers = (bool *)ndpi_malloc(sizeof(bool) * num_values);
-  if (!values || !outliers) {
+  if (!values || !values2 || !outliers) {
     ndpi_free(values);
+    ndpi_free(values2);
     ndpi_free(outliers);
     return -1;
   }
-  for (i = 0; i < num_values; i++)
+  for (i = 0; i < num_values; i++) {
     values[i] = fuzzed_data.ConsumeIntegral<u_int32_t>();
+    values2[i] = fuzzed_data.ConsumeIntegral<u_int32_t>();
+  }
   
   /* Init HW */
-  num_periods = fuzzed_data.ConsumeIntegral<u_int8_t>();
+  num_periods = fuzzed_data.ConsumeIntegral<u_int16_t>();
   additive_seeasonal = fuzzed_data.ConsumeBool();
   alpha = fuzzed_data.ConsumeFloatingPointInRange<double>(0, 1);
   beta = fuzzed_data.ConsumeFloatingPointInRange<double>(0, 1);
@@ -57,7 +62,14 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 
   /* Init Data Analysis */
   max_series_len = fuzzed_data.ConsumeIntegral<u_int16_t>();
-  a = ndpi_alloc_data_analysis(max_series_len);
+  if(fuzzed_data.ConsumeBool()) {
+    a = ndpi_alloc_data_analysis(max_series_len);
+    for (i = 0; i < num_values; i++) {
+      ndpi_data_add_value(a, values[i]);
+    }
+  } else {
+    a = ndpi_alloc_data_analysis_from_series(values, num_values);
+  }
 
   /* Init Linear Regression */
   predict_periods = fuzzed_data.ConsumeIntegral<u_int8_t>();
@@ -68,7 +80,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
       ndpi_hw_add_value(&hw, values[i], &forecast, &confidence_band);
     if (rc_rsi == 0)
       ndpi_rsi_add_value(&rsi, values[i]);
-    ndpi_data_add_value(a, values[i]);
   }
   ndpi_find_outliers(values, outliers, num_values);
   ndpi_predict_linear(values, num_values, predict_periods, &prediction);
@@ -94,6 +105,15 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   if (num_values > 1)
     ndpi_data_ratio2str(ndpi_data_ratio(values[0], values[1]));
 
+  /* Outlier */
+  value_to_check = fuzzed_data.ConsumeIntegral<u_int32_t>();
+  threshold = fuzzed_data.ConsumeFloatingPointInRange<float>(0, 2^32 - 1);
+  ndpi_is_outlier(values, num_values, value_to_check, threshold,
+                  &lower, &upper);
+
+  /* Pearson correlation */
+  ndpi_pearson_correlation(values, values2, num_values);
+
   /* Done. Free */
   if (rc_hw == 0)
     ndpi_hw_free(&hw);
@@ -101,6 +121,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     ndpi_free_rsi(&rsi);
   ndpi_free_data_analysis(a, 1);  
   ndpi_free(values);
+  ndpi_free(values2);
   ndpi_free(outliers);
 
   return 0;
diff --git a/fuzz/fuzz_alg_ses_des.cpp b/fuzz/fuzz_alg_ses_des.cpp
index b524d2fcb..ec30c3be2 100644
--- a/fuzz/fuzz_alg_ses_des.cpp
+++ b/fuzz/fuzz_alg_ses_des.cpp
@@ -33,8 +33,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   ndpi_free(values);
 
   significance = fuzzed_data.ConsumeFloatingPointInRange<float>(0, 1.1);
-  rc_ses = ndpi_ses_init(&s, alpha_ses, significance);
-  rc_des = ndpi_des_init(&d, alpha_des, beta, significance);
+  rc_ses = ndpi_ses_init(fuzzed_data.ConsumeBool() ? &s : NULL, alpha_ses, significance);
+  rc_des = ndpi_des_init(fuzzed_data.ConsumeBool() ? &d : NULL, alpha_des, beta, significance);
 
   num_iteration = fuzzed_data.ConsumeIntegral<u_int8_t>();
   for (i = 0; i < num_iteration; i++) {
diff --git a/fuzz/fuzz_ds_ahocorasick.cpp b/fuzz/fuzz_ds_ahocorasick.cpp
index f7aebd7be..3333cad3e 100644
--- a/fuzz/fuzz_ds_ahocorasick.cpp
+++ b/fuzz/fuzz_ds_ahocorasick.cpp
@@ -11,7 +11,7 @@ extern "C" int ac_domain_match_handler(AC_MATCH_t *m, AC_TEXT_t *txt, AC_REP_t *
 
 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;
+  u_int16_t i, j, num_iteration, is_added = 0;
   AC_AUTOMATA_t *a;
   void *a2;
   MATCH_CALLBACK_f mc;
@@ -20,7 +20,6 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   char *value_dup, *value_added;
   AC_REP_t match;
   AC_TEXT_t ac_input_text;
-  FILE *f;
   u_int16_t protocol_id;
   ndpi_protocol_category_t category;
   ndpi_protocol_breed_t breed;
@@ -59,31 +58,38 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 
   num_iteration = fuzzed_data.ConsumeIntegral<u_int8_t>();
   for (i = 0; i < num_iteration; i++) {
-    memset(&ac_pattern, 0, sizeof(ac_pattern));
-
     std::string value = fuzzed_data.ConsumeRandomLengthString(64);
-    value_dup = ndpi_strdup(value.c_str());
-    if (!value_dup)
-      continue;
 
-    ac_pattern.astring = value_dup;
-    ac_pattern.length = strlen(value_dup);
-    ac_pattern.rep.number = fuzzed_data.ConsumeIntegral<u_int16_t>();
-    ac_pattern.rep.category = 0;
-    ac_pattern.rep.breed = 0;
-    ac_pattern.rep.level = fuzzed_data.ConsumeIntegralInRange(0, 2);
-    ac_pattern.rep.from_start = fuzzed_data.ConsumeBool();
-    ac_pattern.rep.at_end = fuzzed_data.ConsumeBool();
-    ac_pattern.rep.dot = memchr(value_dup, '.', strlen(value_dup)) != NULL;
-
-    if (ac_automata_add(a, &ac_pattern) != ACERR_SUCCESS) {
-      ndpi_free(value_dup);
-    } else {
-      /* Keep one random string really added */
-      if (is_added == 0 && fuzzed_data.ConsumeBool()) {
-        value_added = ndpi_strdup(value_dup);
-	if (value_added)
-          is_added = 1;
+    /* Adding (sometimes) the same string twice, with different "properties" */
+    for (j = 0; j < 2; j++) {
+      if (j == 1 && fuzzed_data.ConsumeBool())
+        continue;
+
+      memset(&ac_pattern, 0, sizeof(ac_pattern));
+
+      value_dup = ndpi_strdup(value.c_str());
+      if (!value_dup)
+        continue;
+
+      ac_pattern.astring = value_dup;
+      ac_pattern.length = strlen(value_dup);
+      ac_pattern.rep.number = fuzzed_data.ConsumeIntegral<u_int16_t>();
+      ac_pattern.rep.category = 0;
+      ac_pattern.rep.breed = 0;
+      ac_pattern.rep.level = fuzzed_data.ConsumeIntegralInRange(0, 2);
+      ac_pattern.rep.from_start = fuzzed_data.ConsumeBool();
+      ac_pattern.rep.at_end = fuzzed_data.ConsumeBool();
+      ac_pattern.rep.dot = memchr(value_dup, '.', strlen(value_dup)) != NULL;
+
+      if (ac_automata_add(a, &ac_pattern) != ACERR_SUCCESS) {
+        ndpi_free(value_dup);
+      } else {
+        /* Keep one random string really added */
+        if (is_added == 0 && fuzzed_data.ConsumeBool()) {
+          value_added = ndpi_strdup(value_dup);
+	  if (value_added)
+            is_added = 1;
+        }
       }
     }
 
@@ -133,10 +139,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     ndpi_free(value_added);
   }
 
-  f = fopen("/dev/null", "w");
-  ac_automata_dump(a, f);
-  if (f)
-    fclose(f);
+  ac_automata_dump(a, stdout);
 
   ac_automata_get_stats(a, &stats);
 
diff --git a/fuzz/fuzz_ds_ahocorasick.options b/fuzz/fuzz_ds_ahocorasick.options
new file mode 100644
index 000000000..1c815b33f
--- /dev/null
+++ b/fuzz/fuzz_ds_ahocorasick.options
@@ -0,0 +1,2 @@
+[libfuzzer]
+close_fd_mask=1
diff --git a/fuzz/fuzz_ds_domain_classify.cpp b/fuzz/fuzz_ds_domain_classify.cpp
index 40acd9b18..ba97ad08d 100644
--- a/fuzz/fuzz_ds_domain_classify.cpp
+++ b/fuzz/fuzz_ds_domain_classify.cpp
@@ -35,7 +35,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 
   ndpi_domain_classify_add_domains(d,
 				   fuzzed_data.ConsumeIntegralInRange(0, NDPI_LAST_IMPLEMENTED_PROTOCOL - 1),
-				   (char *)"random_list.list");
+				   fuzzed_data.ConsumeBool() ? (char *)"random_list.list" : (char *)"wrong_path");
 
   if (fuzzed_data.ConsumeBool())
     ndpi_domain_classify_finalize(d);
diff --git a/src/include/ndpi_api.h b/src/include/ndpi_api.h
index f834223c6..c7da8d8a9 100644
--- a/src/include/ndpi_api.h
+++ b/src/include/ndpi_api.h
@@ -1972,7 +1972,7 @@ extern "C" {
 
   /* ******************************* */
 
-  u_int32_t ndpi_quick_16_byte_hash(u_int8_t *in_16_bytes_long);
+  u_int32_t ndpi_quick_16_byte_hash(const u_int8_t *in_16_bytes_long);
 
   /* ******************************* */
 
diff --git a/src/lib/ndpi_analyze.c b/src/lib/ndpi_analyze.c
index 06d461561..198aa4f9f 100644
--- a/src/lib/ndpi_analyze.c
+++ b/src/lib/ndpi_analyze.c
@@ -1729,6 +1729,9 @@ double ndpi_pearson_correlation(u_int32_t *values_a, u_int32_t *values_b, u_int1
   variance_a = sum_squared_diff_a / (double)num_values, variance_b = sum_squared_diff_b / (double)num_values;
   covariance = sum_product_diff / (double)num_values;
 
+  if(variance_a == 0.0 || variance_b == 0.0)
+    return(0.0);
+
   return(covariance / sqrt(variance_a * variance_b));
 }
 
diff --git a/src/lib/ndpi_hash.c b/src/lib/ndpi_hash.c
index 0a3507d76..c0d653142 100644
--- a/src/lib/ndpi_hash.c
+++ b/src/lib/ndpi_hash.c
@@ -134,7 +134,7 @@ u_int32_t ndpi_hash_string_len(const char *str, u_int len) {
   two independent 64-bit linear congruential generators are applied
   results are mixed, scrambled and cast to 32-bit
 */
-u_int32_t ndpi_quick_16_byte_hash(u_int8_t *in_16_bytes_long) {
+u_int32_t ndpi_quick_16_byte_hash(const u_int8_t *in_16_bytes_long) {
   u_int64_t a = *(u_int64_t*)(in_16_bytes_long + 0);
   u_int64_t c = *(u_int64_t*)(in_16_bytes_long + 8);