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authorIvan Nardi <12729895+IvanNardi@users.noreply.github.com>2023-02-09 20:02:12 +0100
committerGitHub <noreply@github.com>2023-02-09 20:02:12 +0100
commitb51a2ac72a3cbd1b470890d0151a46da28e6754e (patch)
tree694a86ec7690962b21fb2c1bcf12df9f842d5957 /tests/pcap
parent4bb851384efb2a321def0bdb5e93786fac1cc02b (diff)
fuzz: some improvements and add two new fuzzers (#1881)
Remove `FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION` define from `fuzz/Makefile.am`; it is already included by the main configure script (when fuzzing). Add a knob to force disabling of AESNI optimizations: this way we can fuzz also no-aesni crypto code. Move CRC32 algorithm into the library. Add some fake traces to extend fuzzing coverage. Note that these traces are hand-made (via scapy/curl) and must not be used as "proof" that the dissectors are really able to identify this kind of traffic. Some small updates to some dissectors: CSGO: remove a wrong rule (never triggered, BTW). Any UDP packet starting with "VS01" will be classified as STEAM (see steam.c around line 111). Googling it, it seems right so. XBOX: XBOX only analyses UDP flows while HTTP only TCP ones; therefore that condition is false. RTP, STUN: removed useless "break"s Zattoo: `flow->zattoo_stage` is never set to any values greater or equal to 5, so these checks are never true. PPStream: `flow->l4.udp.ppstream_stage` is never read. Delete it. TeamSpeak: we check for `flow->packet_counter == 3` just above, so the following check `flow->packet_counter >= 3` is always false.
Diffstat (limited to 'tests/pcap')
-rw-r--r--tests/pcap/ossfuzz_seed_fake_traces_1.pcapngbin0 -> 4196 bytes
-rw-r--r--tests/pcap/ossfuzz_seed_fake_traces_2.pcapngbin0 -> 2408 bytes
-rw-r--r--tests/pcap/ossfuzz_seed_fake_traces_3.pcapngbin0 -> 888 bytes
-rw-r--r--tests/pcap/ossfuzz_seed_fake_traces_4.pcapngbin0 -> 124 bytes
4 files changed, 0 insertions, 0 deletions
diff --git a/tests/pcap/ossfuzz_seed_fake_traces_1.pcapng b/tests/pcap/ossfuzz_seed_fake_traces_1.pcapng
new file mode 100644
index 000000000..436a56568
--- /dev/null
+++ b/tests/pcap/ossfuzz_seed_fake_traces_1.pcapng
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diff --git a/tests/pcap/ossfuzz_seed_fake_traces_2.pcapng b/tests/pcap/ossfuzz_seed_fake_traces_2.pcapng
new file mode 100644
index 000000000..0ff58a50c
--- /dev/null
+++ b/tests/pcap/ossfuzz_seed_fake_traces_2.pcapng
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diff --git a/tests/pcap/ossfuzz_seed_fake_traces_3.pcapng b/tests/pcap/ossfuzz_seed_fake_traces_3.pcapng
new file mode 100644
index 000000000..b7c6b5ecb
--- /dev/null
+++ b/tests/pcap/ossfuzz_seed_fake_traces_3.pcapng
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diff --git a/tests/pcap/ossfuzz_seed_fake_traces_4.pcapng b/tests/pcap/ossfuzz_seed_fake_traces_4.pcapng
new file mode 100644
index 000000000..157c0dbac
--- /dev/null
+++ b/tests/pcap/ossfuzz_seed_fake_traces_4.pcapng
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