From b51a2ac72a3cbd1b470890d0151a46da28e6754e Mon Sep 17 00:00:00 2001
From: Ivan Nardi <12729895+IvanNardi@users.noreply.github.com>
Date: Thu, 9 Feb 2023 20:02:12 +0100
Subject: 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.
---
 .../fuzz_config/0dfcfaf91c524f3982a883227fd2de87906e6bb0 | Bin 0 -> 619 bytes
 .../fuzz_config/18f477174966a8c7da55285963d41aed0dc4662d | Bin 620 -> 0 bytes
 .../fuzz_config/1de3ce546c3443fb0ba76988f36f1e42c022d603 | Bin 0 -> 617 bytes
 .../fuzz_config/290a66605b81b38623979b32de5e552f40732dad | Bin 0 -> 684 bytes
 .../fuzz_config/2fcaabab970bcf6b44ffd11f661e26a143764496 | Bin 635 -> 0 bytes
 .../fuzz_config/3243ac924573c7a3687f8aac1ca5bfa11fb89b7a | Bin 0 -> 617 bytes
 .../fuzz_config/39db7b6de866752a87614e2d94501d09ea6bb79a | Bin 628 -> 0 bytes
 .../fuzz_config/44446f3b2a2200f31349b0ab61076e52bd8b0efd | Bin 0 -> 822 bytes
 .../fuzz_config/4ba4d00c35a04e38b068a302460e295c1d2486a7 | Bin 623 -> 0 bytes
 .../fuzz_config/4cee68be22b7d0d401aa891c1d713a0d81ec2e2e | Bin 1003 -> 0 bytes
 .../fuzz_config/5d526bda3b5330598d39b61062e9f9d266f80841 | Bin 609 -> 0 bytes
 .../fuzz_config/5e008f72d654de9bac626249dd3b621e3c40f6c2 | Bin 619 -> 0 bytes
 .../fuzz_config/5eaf59d9cedde7668db1179a10af6d41cfd25acb | Bin 0 -> 641 bytes
 .../fuzz_config/63cf7bf35278ec03c440970b1324abeca2526d14 | Bin 0 -> 618 bytes
 .../fuzz_config/68f8e31473a59710033f435affdcd2f85879fce7 | Bin 625 -> 0 bytes
 .../fuzz_config/694d74626563baf3a50e2d1444a279d89f72465e | Bin 638 -> 0 bytes
 .../fuzz_config/72d80bd288fdbf7f3cce29f635b3d235c0aeaa74 | Bin 0 -> 617 bytes
 .../fuzz_config/76bc4759342543f5312d55d4d6e4133c6d298546 | Bin 0 -> 615 bytes
 .../fuzz_config/7f4baf1ac218c942a8dc127ec07b1fc2ac670262 | Bin 0 -> 621 bytes
 .../fuzz_config/85eff7ac720172f60cedfbf80bb7d88e63630052 | Bin 709 -> 0 bytes
 .../fuzz_config/8ce8bfe5ac7addf5e2c5da6794cf5934678dd06c |   3 +++
 .../fuzz_config/8ee9787061c21d559eaffbadcc92045362efc678 | Bin 636 -> 0 bytes
 .../fuzz_config/917269497703178e3f4a324396d9b8fb33e3ef2a | Bin 636 -> 0 bytes
 .../fuzz_config/9220903d0d0062dfc7e070c8fdc32feb954feb25 | Bin 621 -> 0 bytes
 .../fuzz_config/9220c147a2a2e08183c4fd85d62c7f15247969a6 | Bin 0 -> 693 bytes
 .../fuzz_config/ae51624e0c6ecf1897244da20a17ef2052058380 | Bin 0 -> 617 bytes
 .../fuzz_config/afaef4f8d6fba51fcdf48e7aa0a1144819f4e9e8 | Bin 700 -> 0 bytes
 .../fuzz_config/b00102178b488b3e299f9465f91093894f4649aa | Bin 0 -> 623 bytes
 .../fuzz_config/b791553ea6d3ad8415c7bd462ca18482dd9eaadf | Bin 0 -> 616 bytes
 .../fuzz_config/c3cd2ec494821a138c82f087290f8cf105bf41e7 | Bin 0 -> 622 bytes
 .../fuzz_config/c3dac33fc878793d7aa0012b46fbd67584ecfe86 | Bin 0 -> 639 bytes
 .../fuzz_config/c4e100d34b144a24af0c38f88db0dccba57381a2 | Bin 634 -> 0 bytes
 .../fuzz_config/d828ee9bc3dc0de65cb5e0ec6091c5e362fbae50 | Bin 0 -> 775 bytes
 .../fuzz_config/d8c164d651c3d986e00694838757e33d54cf38ee | Bin 0 -> 615 bytes
 .../fuzz_config/ee595881722ceecd4931d38b08c66192af4b8e75 | Bin 0 -> 621 bytes
 35 files changed, 3 insertions(+)
 create mode 100644 fuzz/corpus/fuzz_config/0dfcfaf91c524f3982a883227fd2de87906e6bb0
 delete mode 100644 fuzz/corpus/fuzz_config/18f477174966a8c7da55285963d41aed0dc4662d
 create mode 100644 fuzz/corpus/fuzz_config/1de3ce546c3443fb0ba76988f36f1e42c022d603
 create mode 100644 fuzz/corpus/fuzz_config/290a66605b81b38623979b32de5e552f40732dad
 delete mode 100644 fuzz/corpus/fuzz_config/2fcaabab970bcf6b44ffd11f661e26a143764496
 create mode 100644 fuzz/corpus/fuzz_config/3243ac924573c7a3687f8aac1ca5bfa11fb89b7a
 delete mode 100644 fuzz/corpus/fuzz_config/39db7b6de866752a87614e2d94501d09ea6bb79a
 create mode 100644 fuzz/corpus/fuzz_config/44446f3b2a2200f31349b0ab61076e52bd8b0efd
 delete mode 100644 fuzz/corpus/fuzz_config/4ba4d00c35a04e38b068a302460e295c1d2486a7
 delete mode 100644 fuzz/corpus/fuzz_config/4cee68be22b7d0d401aa891c1d713a0d81ec2e2e
 delete mode 100644 fuzz/corpus/fuzz_config/5d526bda3b5330598d39b61062e9f9d266f80841
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 create mode 100644 fuzz/corpus/fuzz_config/63cf7bf35278ec03c440970b1324abeca2526d14
 delete mode 100644 fuzz/corpus/fuzz_config/68f8e31473a59710033f435affdcd2f85879fce7
 delete mode 100644 fuzz/corpus/fuzz_config/694d74626563baf3a50e2d1444a279d89f72465e
 create mode 100644 fuzz/corpus/fuzz_config/72d80bd288fdbf7f3cce29f635b3d235c0aeaa74
 create mode 100644 fuzz/corpus/fuzz_config/76bc4759342543f5312d55d4d6e4133c6d298546
 create mode 100644 fuzz/corpus/fuzz_config/7f4baf1ac218c942a8dc127ec07b1fc2ac670262
 delete mode 100644 fuzz/corpus/fuzz_config/85eff7ac720172f60cedfbf80bb7d88e63630052
 create mode 100644 fuzz/corpus/fuzz_config/8ce8bfe5ac7addf5e2c5da6794cf5934678dd06c
 delete mode 100644 fuzz/corpus/fuzz_config/8ee9787061c21d559eaffbadcc92045362efc678
 delete mode 100644 fuzz/corpus/fuzz_config/917269497703178e3f4a324396d9b8fb33e3ef2a
 delete mode 100644 fuzz/corpus/fuzz_config/9220903d0d0062dfc7e070c8fdc32feb954feb25
 create mode 100644 fuzz/corpus/fuzz_config/9220c147a2a2e08183c4fd85d62c7f15247969a6
 create mode 100644 fuzz/corpus/fuzz_config/ae51624e0c6ecf1897244da20a17ef2052058380
 delete mode 100644 fuzz/corpus/fuzz_config/afaef4f8d6fba51fcdf48e7aa0a1144819f4e9e8
 create mode 100644 fuzz/corpus/fuzz_config/b00102178b488b3e299f9465f91093894f4649aa
 create mode 100644 fuzz/corpus/fuzz_config/b791553ea6d3ad8415c7bd462ca18482dd9eaadf
 create mode 100644 fuzz/corpus/fuzz_config/c3cd2ec494821a138c82f087290f8cf105bf41e7
 create mode 100644 fuzz/corpus/fuzz_config/c3dac33fc878793d7aa0012b46fbd67584ecfe86
 delete mode 100644 fuzz/corpus/fuzz_config/c4e100d34b144a24af0c38f88db0dccba57381a2
 create mode 100644 fuzz/corpus/fuzz_config/d828ee9bc3dc0de65cb5e0ec6091c5e362fbae50
 create mode 100644 fuzz/corpus/fuzz_config/d8c164d651c3d986e00694838757e33d54cf38ee
 create mode 100644 fuzz/corpus/fuzz_config/ee595881722ceecd4931d38b08c66192af4b8e75

(limited to 'fuzz/corpus/fuzz_config')

diff --git a/fuzz/corpus/fuzz_config/0dfcfaf91c524f3982a883227fd2de87906e6bb0 b/fuzz/corpus/fuzz_config/0dfcfaf91c524f3982a883227fd2de87906e6bb0
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diff --git a/fuzz/corpus/fuzz_config/76bc4759342543f5312d55d4d6e4133c6d298546 b/fuzz/corpus/fuzz_config/76bc4759342543f5312d55d4d6e4133c6d298546
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diff --git a/fuzz/corpus/fuzz_config/7f4baf1ac218c942a8dc127ec07b1fc2ac670262 b/fuzz/corpus/fuzz_config/7f4baf1ac218c942a8dc127ec07b1fc2ac670262
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diff --git a/fuzz/corpus/fuzz_config/85eff7ac720172f60cedfbf80bb7d88e63630052 b/fuzz/corpus/fuzz_config/85eff7ac720172f60cedfbf80bb7d88e63630052
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diff --git a/fuzz/corpus/fuzz_config/8ce8bfe5ac7addf5e2c5da6794cf5934678dd06c b/fuzz/corpus/fuzz_config/8ce8bfe5ac7addf5e2c5da6794cf5934678dd06c
new file mode 100644
index 000000000..95230a07a
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diff --git a/fuzz/corpus/fuzz_config/8ee9787061c21d559eaffbadcc92045362efc678 b/fuzz/corpus/fuzz_config/8ee9787061c21d559eaffbadcc92045362efc678
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