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| author | Ivan Nardi <12729895+IvanNardi@users.noreply.github.com> | 2024-12-11 16:41:35 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-12-11 16:41:35 +0100 |
| commit | f20cec4985e5334dddd22f4c07df46694f000456 (patch) | |
| tree | 8f16692f492f78f25064a12ffcdaabcb2a4a30fc | |
| parent | 803410542e77023545a89627918adb9d601fa774 (diff) | |
fuzz: improve fuzzing coverage (#2642)
Updtae pl7m code (Fix swap-direction mutation)
| -rw-r--r-- | fuzz/fuzz_config.cpp | 10 | ||||
| -rw-r--r-- | fuzz/fuzz_ndpi_reader.c | 1 | ||||
| -rw-r--r-- | src/lib/third_party/src/fuzz/pl7m.c | 2 |
3 files changed, 12 insertions, 1 deletions
diff --git a/fuzz/fuzz_config.cpp b/fuzz/fuzz_config.cpp index 61fbce5ad..c8d8d7a65 100644 --- a/fuzz/fuzz_config.cpp +++ b/fuzz/fuzz_config.cpp @@ -380,6 +380,16 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { if(fuzzed_data.ConsumeBool()) { value = fuzzed_data.ConsumeIntegralInRange(0, 1 + 1); snprintf(cfg_value, sizeof(cfg_value), "%d", value); + ndpi_set_config(ndpi_info_mod, NULL, "dpi.compute_entropy", cfg_value); + } + if(fuzzed_data.ConsumeBool()) { + value = fuzzed_data.ConsumeIntegralInRange(0, 16777215 + 1); + snprintf(cfg_value, sizeof(cfg_value), "%d", value); + ndpi_set_config(ndpi_info_mod, NULL, "dpi.address_cache_size", cfg_value); + } + if(fuzzed_data.ConsumeBool()) { + value = fuzzed_data.ConsumeIntegralInRange(0, 1 + 1); + snprintf(cfg_value, sizeof(cfg_value), "%d", value); ndpi_set_config(ndpi_info_mod, NULL, "fpc", cfg_value); } if(fuzzed_data.ConsumeBool()) { diff --git a/fuzz/fuzz_ndpi_reader.c b/fuzz/fuzz_ndpi_reader.c index 4e736909d..de38f95ac 100644 --- a/fuzz/fuzz_ndpi_reader.c +++ b/fuzz/fuzz_ndpi_reader.c @@ -98,6 +98,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { ndpi_set_config(workflow->ndpi_struct, "tls", "dpi.heuristics", "0x07"); ndpi_set_config(workflow->ndpi_struct, "tls", "dpi.heuristics.max_packets_extra_dissection", "40"); ndpi_set_config(workflow->ndpi_struct, "stun", "monitoring", "1"); + ndpi_set_config(workflow->ndpi_struct, NULL, "dpi.address_cache_size", "8192"); ndpi_finalize_initialization(workflow->ndpi_struct); diff --git a/src/lib/third_party/src/fuzz/pl7m.c b/src/lib/third_party/src/fuzz/pl7m.c index 827e538e7..103c209c7 100644 --- a/src/lib/third_party/src/fuzz/pl7m.c +++ b/src/lib/third_party/src/fuzz/pl7m.c @@ -1085,7 +1085,7 @@ static void swap_direction(struct m_pkt *p) case IPPROTO_UDP: udp_h = (struct udphdr *)(p->raw_data + p->l4_offset); tmp_port = udp_h->source; - udp_h->source = udp_h->source; + udp_h->source = udp_h->dest; udp_h->dest = tmp_port; break; case IPPROTO_TCP: |