From 1276b9fa31dfb3751c4172aa7f0a9855cc233829 Mon Sep 17 00:00:00 2001 From: Jacob Gelman <3182119+ladvoc@users.noreply.github.com> Date: Tue, 5 May 2026 22:11:12 -0700 Subject: [PATCH 1/3] Add fuzz testing --- .../datatrack_fuzz_packet_deserialize.md | 5 + Cargo.lock | 14 +- livekit-datatrack/Cargo.toml | 4 + livekit-datatrack/fuzz/.gitignore | 5 + livekit-datatrack/fuzz/Cargo.lock | 1171 +++++++++++++++++ livekit-datatrack/fuzz/Cargo.toml | 27 + livekit-datatrack/fuzz/README.md | 20 + .../fuzz/fuzz_targets/packet_deserialize.rs | 32 + livekit-datatrack/src/lib.rs | 7 + livekit-datatrack/src/packet/extension.rs | 6 +- livekit-datatrack/src/packet/handle.rs | 2 +- livekit-datatrack/src/packet/mod.rs | 22 +- livekit-datatrack/src/packet/time.rs | 2 +- livekit-datatrack/src/remote/depacketizer.rs | 9 +- 14 files changed, 1304 insertions(+), 22 deletions(-) create mode 100644 .changeset/datatrack_fuzz_packet_deserialize.md create mode 100644 livekit-datatrack/fuzz/.gitignore create mode 100644 livekit-datatrack/fuzz/Cargo.lock create mode 100644 livekit-datatrack/fuzz/Cargo.toml create mode 100644 livekit-datatrack/fuzz/README.md create mode 100644 livekit-datatrack/fuzz/fuzz_targets/packet_deserialize.rs diff --git a/.changeset/datatrack_fuzz_packet_deserialize.md b/.changeset/datatrack_fuzz_packet_deserialize.md new file mode 100644 index 000000000..fabe39450 --- /dev/null +++ b/.changeset/datatrack_fuzz_packet_deserialize.md @@ -0,0 +1,5 @@ +--- +livekit-datatrack: patch +--- + +Add `cargo-fuzz` target for packet deserialization diff --git a/Cargo.lock b/Cargo.lock index cfc9f0ce1..e273ce404 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2031,7 +2031,7 @@ dependencies = [ "livekit-api", "log", "polars", - "rand 0.9.2", + "rand 0.9.3", "tokio", ] @@ -6242,7 +6242,7 @@ dependencies = [ "polars-buffer", "polars-error", "polars-utils", - "rand 0.9.2", + "rand 0.9.3", "serde", "strength_reduce", "strum_macros", @@ -6276,7 +6276,7 @@ dependencies = [ "polars-row", "polars-schema", "polars-utils", - "rand 0.9.2", + "rand 0.9.3", "rand_distr 0.5.1", "rayon", "regex", @@ -6336,7 +6336,7 @@ dependencies = [ "polars-row", "polars-time", "polars-utils", - "rand 0.9.2", + "rand 0.9.3", "rayon", "recursive", "regex", @@ -6622,7 +6622,7 @@ dependencies = [ "polars-plan", "polars-time", "polars-utils", - "rand 0.9.2", + "rand 0.9.3", "rayon", "recursive", "slotmap", @@ -6675,7 +6675,7 @@ dependencies = [ "num-derive", "num-traits", "polars-error", - "rand 0.9.2", + "rand 0.9.3", "raw-cpuid", "rayon", "regex", @@ -7181,7 +7181,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "6a8615d50dcf34fa31f7ab52692afec947c4dd0ab803cc87cb3b0b4570ff7463" dependencies = [ "num-traits", - "rand 0.9.2", + "rand 0.9.3", ] [[package]] diff --git a/livekit-datatrack/Cargo.toml b/livekit-datatrack/Cargo.toml index 3c445cb22..c39ba0341 100644 --- a/livekit-datatrack/Cargo.toml +++ b/livekit-datatrack/Cargo.toml @@ -20,6 +20,10 @@ from_variants = { workspace = true } tokio-stream = { workspace = true, features = ["sync"] } anyhow = { workspace = true } # For internal error handling only rand = { workspace = true } +fake = { version = "4.4", features = ["derive"], optional = true } + +[features] +__fuzz = ["dep:fake"] [dev-dependencies] test-case = "3.3" diff --git a/livekit-datatrack/fuzz/.gitignore b/livekit-datatrack/fuzz/.gitignore new file mode 100644 index 000000000..401a0abbe --- /dev/null +++ b/livekit-datatrack/fuzz/.gitignore @@ -0,0 +1,5 @@ +target +corpus +artifacts +coverage +fuzz-*.log diff --git a/livekit-datatrack/fuzz/Cargo.lock b/livekit-datatrack/fuzz/Cargo.lock new file mode 100644 index 000000000..71fa3c792 --- /dev/null +++ b/livekit-datatrack/fuzz/Cargo.lock @@ -0,0 +1,1171 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 4 + +[[package]] +name = "aho-corasick" +version = "1.1.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301" +dependencies = [ + "memchr", +] + +[[package]] +name = "anyhow" +version = "1.0.102" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c" + +[[package]] +name = "arbitrary" +version = "1.4.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c3d036a3c4ab069c7b410a2ce876bd74808d2d0888a82667669f8e783a898bf1" + +[[package]] +name = "autocfg" +version = "1.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8" + +[[package]] +name = "base64" +version = "0.21.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567" + +[[package]] +name = "bitflags" +version = "2.11.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c4512299f36f043ab09a583e57bceb5a5aab7a73db1805848e8fef3c9e8c78b3" + +[[package]] +name = "bytes" +version = "1.11.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33" + +[[package]] +name = "cc" +version = "1.2.61" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d16d90359e986641506914ba71350897565610e87ce0ad9e6f28569db3dd5c6d" +dependencies = [ + "find-msvc-tools", + "jobserver", + "libc", + "shlex", +] + +[[package]] +name = "cfg-if" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801" + +[[package]] +name = "chrono" +version = "0.4.44" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c673075a2e0e5f4a1dde27ce9dee1ea4558c7ffe648f576438a20ca1d2acc4b0" +dependencies = [ + "num-traits", +] + +[[package]] +name = "darling" +version = "0.14.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7b750cb3417fd1b327431a470f388520309479ab0bf5e323505daf0290cd3850" +dependencies = [ + "darling_core 0.14.4", + "darling_macro 0.14.4", +] + +[[package]] +name = "darling" +version = "0.20.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fc7f46116c46ff9ab3eb1597a45688b6715c6e628b5c133e288e709a29bcb4ee" +dependencies = [ + "darling_core 0.20.11", + "darling_macro 0.20.11", +] + +[[package]] +name = "darling_core" +version = "0.14.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "109c1ca6e6b7f82cc233a97004ea8ed7ca123a9af07a8230878fcfda9b158bf0" +dependencies = [ + "fnv", + "ident_case", + "proc-macro2", + "quote", + "strsim", + "syn 1.0.109", +] + +[[package]] +name = "darling_core" +version = "0.20.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0d00b9596d185e565c2207a0b01f8bd1a135483d02d9b7b0a54b11da8d53412e" +dependencies = [ + "fnv", + "ident_case", + "proc-macro2", + "quote", + "syn 2.0.117", +] + +[[package]] +name = "darling_macro" +version = "0.14.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a4aab4dbc9f7611d8b55048a3a16d2d010c2c8334e46304b40ac1cc14bf3b48e" +dependencies = [ + "darling_core 0.14.4", + "quote", + "syn 1.0.109", +] + +[[package]] +name = "darling_macro" +version = "0.20.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead" +dependencies = [ + "darling_core 0.20.11", + "quote", + "syn 2.0.117", +] + +[[package]] +name = "deunicode" +version = "1.6.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "abd57806937c9cc163efc8ea3910e00a62e2aeb0b8119f1793a978088f8f6b04" + +[[package]] +name = "dummy" +version = "0.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3bbcf21279103a67372982cb1156a2154a452451dff2b884cf897ccecce389e0" +dependencies = [ + "darling 0.20.11", + "proc-macro2", + "quote", + "syn 2.0.117", +] + +[[package]] +name = "either" +version = "1.15.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719" + +[[package]] +name = "equivalent" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f" + +[[package]] +name = "errno" +version = "0.3.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb" +dependencies = [ + "libc", + "windows-sys", +] + +[[package]] +name = "fake" +version = "4.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f2b0902eb36fbab51c14eda1c186bda119fcff91e5e4e7fc2dd2077298197ce8" +dependencies = [ + "deunicode", + "dummy", + "either", + "rand", +] + +[[package]] +name = "fastrand" +version = "2.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9f1f227452a390804cdb637b74a86990f2a7d7ba4b7d5693aac9b4dd6defd8d6" + +[[package]] +name = "find-msvc-tools" +version = "0.1.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582" + +[[package]] +name = "fixedbitset" +version = "0.4.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80" + +[[package]] +name = "fnv" +version = "1.0.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" + +[[package]] +name = "foldhash" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2" + +[[package]] +name = "from_variants" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4e859c8f2057687618905dbe99fc76e836e0a69738865ef90e46fc214a41bbf2" +dependencies = [ + "from_variants_impl", +] + +[[package]] +name = "from_variants_impl" +version = "1.0.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "55a5e644a80e6d96b2b4910fa7993301d7b7926c045b475b62202b20a36ce69e" +dependencies = [ + "darling 0.14.4", + "proc-macro2", + "quote", + "syn 1.0.109", +] + +[[package]] +name = "futures-core" +version = "0.3.32" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7e3450815272ef58cec6d564423f6e755e25379b217b0bc688e295ba24df6b1d" + +[[package]] +name = "futures-sink" +version = "0.3.32" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c39754e157331b013978ec91992bde1ac089843443c49cbc7f46150b0fad0893" + +[[package]] +name = "futures-task" +version = "0.3.32" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "037711b3d59c33004d3856fbdc83b99d4ff37a24768fa1be9ce3538a1cde4393" + +[[package]] +name = "futures-util" +version = "0.3.32" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "389ca41296e6190b48053de0321d02a77f32f8a5d2461dd38762c0593805c6d6" +dependencies = [ + "futures-core", + "futures-sink", + "futures-task", + "pin-project-lite", +] + +[[package]] +name = "getrandom" +version = "0.3.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd" +dependencies = [ + "cfg-if", + "libc", + "r-efi 5.3.0", + "wasip2", +] + +[[package]] +name = "getrandom" +version = "0.4.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0de51e6874e94e7bf76d726fc5d13ba782deca734ff60d5bb2fb2607c7406555" +dependencies = [ + "cfg-if", + "libc", + "r-efi 6.0.0", + "wasip2", + "wasip3", +] + +[[package]] +name = "hashbrown" +version = "0.15.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1" +dependencies = [ + "foldhash", +] + +[[package]] +name = "hashbrown" +version = "0.17.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51" + +[[package]] +name = "heck" +version = "0.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8" + +[[package]] +name = "heck" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea" + +[[package]] +name = "id-arena" +version = "2.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954" + +[[package]] +name = "ident_case" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39" + +[[package]] +name = "indexmap" +version = "2.14.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d466e9454f08e4a911e14806c24e16fba1b4c121d1ea474396f396069cf949d9" +dependencies = [ + "equivalent", + "hashbrown 0.17.0", + "serde", + "serde_core", +] + +[[package]] +name = "itertools" +version = "0.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57" +dependencies = [ + "either", +] + +[[package]] +name = "itertools" +version = "0.12.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569" +dependencies = [ + "either", +] + +[[package]] +name = "itoa" +version = "1.0.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682" + +[[package]] +name = "jobserver" +version = "0.1.34" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9afb3de4395d6b3e67a780b6de64b51c978ecf11cb9a462c66be7d4ca9039d33" +dependencies = [ + "getrandom 0.3.4", + "libc", +] + +[[package]] +name = "leb128fmt" +version = "0.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2" + +[[package]] +name = "libc" +version = "0.2.186" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66" + +[[package]] +name = "libfuzzer-sys" +version = "0.4.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f12a681b7dd8ce12bff52488013ba614b869148d54dd79836ab85aafdd53f08d" +dependencies = [ + "arbitrary", + "cc", +] + +[[package]] +name = "linux-raw-sys" +version = "0.12.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "32a66949e030da00e8c7d4434b251670a91556f4144941d37452769c25d58a53" + +[[package]] +name = "livekit-datatrack" +version = "0.1.4" +dependencies = [ + "anyhow", + "bytes", + "fake", + "from_variants", + "futures-core", + "futures-util", + "livekit-protocol", + "livekit-runtime", + "log", + "rand", + "thiserror", + "tokio", + "tokio-stream", +] + +[[package]] +name = "livekit-datatrack-fuzz" +version = "0.1.0" +dependencies = [ + "bytes", + "fake", + "libfuzzer-sys", + "livekit-datatrack", +] + +[[package]] +name = "livekit-protocol" +version = "0.7.5" +dependencies = [ + "futures-util", + "livekit-runtime", + "parking_lot", + "pbjson", + "pbjson-types", + "prost", + "serde", + "thiserror", + "tokio", +] + +[[package]] +name = "livekit-runtime" +version = "0.4.0" +dependencies = [ + "tokio", + "tokio-stream", +] + +[[package]] +name = "lock_api" +version = "0.4.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965" +dependencies = [ + "scopeguard", +] + +[[package]] +name = "log" +version = "0.4.29" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897" + +[[package]] +name = "memchr" +version = "2.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79" + +[[package]] +name = "mio" +version = "1.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "50b7e5b27aa02a74bac8c3f23f448f8d87ff11f92d3aac1a6ed369ee08cc56c1" +dependencies = [ + "libc", + "wasi", + "windows-sys", +] + +[[package]] +name = "multimap" +version = "0.10.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1d87ecb2933e8aeadb3e3a02b828fed80a7528047e68b4f424523a0981a3a084" + +[[package]] +name = "num-traits" +version = "0.2.19" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841" +dependencies = [ + "autocfg", +] + +[[package]] +name = "once_cell" +version = "1.21.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50" + +[[package]] +name = "parking_lot" +version = "0.12.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "93857453250e3077bd71ff98b6a65ea6621a19bb0f559a85248955ac12c45a1a" +dependencies = [ + "lock_api", + "parking_lot_core", +] + +[[package]] +name = "parking_lot_core" +version = "0.9.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1" +dependencies = [ + "cfg-if", + "libc", + "redox_syscall", + "smallvec", + "windows-link", +] + +[[package]] +name = "pbjson" +version = "0.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1030c719b0ec2a2d25a5df729d6cff1acf3cc230bf766f4f97833591f7577b90" +dependencies = [ + "base64", + "serde", +] + +[[package]] +name = "pbjson-build" +version = "0.6.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2580e33f2292d34be285c5bc3dba5259542b083cfad6037b6d70345f24dcb735" +dependencies = [ + "heck 0.4.1", + "itertools 0.11.0", + "prost", + "prost-types", +] + +[[package]] +name = "pbjson-types" +version = "0.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "18f596653ba4ac51bdecbb4ef6773bc7f56042dc13927910de1684ad3d32aa12" +dependencies = [ + "bytes", + "chrono", + "pbjson", + "pbjson-build", + "prost", + "prost-build", + "serde", +] + +[[package]] +name = "petgraph" +version = "0.6.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db" +dependencies = [ + "fixedbitset", + "indexmap", +] + +[[package]] +name = "pin-project-lite" +version = "0.2.17" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a89322df9ebe1c1578d689c92318e070967d1042b512afbe49518723f4e6d5cd" + +[[package]] +name = "ppv-lite86" +version = "0.2.21" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "85eae3c4ed2f50dcfe72643da4befc30deadb458a9b590d720cde2f2b1e97da9" +dependencies = [ + "zerocopy", +] + +[[package]] +name = "prettyplease" +version = "0.2.37" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b" +dependencies = [ + "proc-macro2", + "syn 2.0.117", +] + +[[package]] +name = "proc-macro2" +version = "1.0.106" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934" +dependencies = [ + "unicode-ident", +] + +[[package]] +name = "prost" +version = "0.12.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "deb1435c188b76130da55f17a466d252ff7b1418b2ad3e037d127b94e3411f29" +dependencies = [ + "bytes", + "prost-derive", +] + +[[package]] +name = "prost-build" +version = "0.12.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "22505a5c94da8e3b7c2996394d1c933236c4d743e81a410bcca4e6989fc066a4" +dependencies = [ + "bytes", + "heck 0.5.0", + "itertools 0.12.1", + "log", + "multimap", + "once_cell", + "petgraph", + "prettyplease", + "prost", + "prost-types", + "regex", + "syn 2.0.117", + "tempfile", +] + +[[package]] +name = "prost-derive" +version = "0.12.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "81bddcdb20abf9501610992b6759a4c888aef7d1a7247ef75e2404275ac24af1" +dependencies = [ + "anyhow", + "itertools 0.12.1", + "proc-macro2", + "quote", + "syn 2.0.117", +] + +[[package]] +name = "prost-types" +version = "0.12.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9091c90b0a32608e984ff2fa4091273cbdd755d54935c51d520887f4a1dbd5b0" +dependencies = [ + "prost", +] + +[[package]] +name = "quote" +version = "1.0.45" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924" +dependencies = [ + "proc-macro2", +] + +[[package]] +name = "r-efi" +version = "5.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f" + +[[package]] +name = "r-efi" +version = "6.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf" + +[[package]] +name = "rand" +version = "0.9.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "44c5af06bb1b7d3216d91932aed5265164bf384dc89cd6ba05cf59a35f5f76ea" +dependencies = [ + "rand_chacha", + "rand_core", +] + +[[package]] +name = "rand_chacha" +version = "0.9.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb" +dependencies = [ + "ppv-lite86", + "rand_core", +] + +[[package]] +name = "rand_core" +version = "0.9.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c" +dependencies = [ + "getrandom 0.3.4", +] + +[[package]] +name = "redox_syscall" +version = "0.5.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ed2bf2547551a7053d6fdfafda3f938979645c44812fbfcda098faae3f1a362d" +dependencies = [ + "bitflags", +] + +[[package]] +name = "regex" +version = "1.12.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276" +dependencies = [ + "aho-corasick", + "memchr", + "regex-automata", + "regex-syntax", +] + +[[package]] +name = "regex-automata" +version = "0.4.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6e1dd4122fc1595e8162618945476892eefca7b88c52820e74af6262213cae8f" +dependencies = [ + "aho-corasick", + "memchr", + "regex-syntax", +] + +[[package]] +name = "regex-syntax" +version = "0.8.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a" + +[[package]] +name = "rustix" +version = "1.1.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b6fe4565b9518b83ef4f91bb47ce29620ca828bd32cb7e408f0062e9930ba190" +dependencies = [ + "bitflags", + "errno", + "libc", + "linux-raw-sys", + "windows-sys", +] + +[[package]] +name = "scopeguard" +version = "1.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49" + +[[package]] +name = "semver" +version = "1.0.28" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8a7852d02fc848982e0c167ef163aaff9cd91dc640ba85e263cb1ce46fae51cd" + +[[package]] +name = "serde" +version = "1.0.228" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e" +dependencies = [ + "serde_core", + "serde_derive", +] + +[[package]] +name = "serde_core" +version = "1.0.228" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad" +dependencies = [ + "serde_derive", +] + +[[package]] +name = "serde_derive" +version = "1.0.228" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.117", +] + +[[package]] +name = "serde_json" +version = "1.0.149" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86" +dependencies = [ + "itoa", + "memchr", + "serde", + "serde_core", + "zmij", +] + +[[package]] +name = "shlex" +version = "1.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64" + +[[package]] +name = "smallvec" +version = "1.15.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03" + +[[package]] +name = "socket2" +version = "0.6.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e" +dependencies = [ + "libc", + "windows-sys", +] + +[[package]] +name = "strsim" +version = "0.10.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623" + +[[package]] +name = "syn" +version = "1.0.109" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237" +dependencies = [ + "proc-macro2", + "quote", + "unicode-ident", +] + +[[package]] +name = "syn" +version = "2.0.117" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99" +dependencies = [ + "proc-macro2", + "quote", + "unicode-ident", +] + +[[package]] +name = "tempfile" +version = "3.27.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd" +dependencies = [ + "fastrand", + "getrandom 0.4.2", + "once_cell", + "rustix", + "windows-sys", +] + +[[package]] +name = "thiserror" +version = "2.0.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4" +dependencies = [ + "thiserror-impl", +] + +[[package]] +name = "thiserror-impl" +version = "2.0.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.117", +] + +[[package]] +name = "tokio" +version = "1.52.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "110a78583f19d5cdb2c5ccf321d1290344e71313c6c37d43520d386027d18386" +dependencies = [ + "libc", + "mio", + "pin-project-lite", + "socket2", + "tokio-macros", + "windows-sys", +] + +[[package]] +name = "tokio-macros" +version = "2.7.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "385a6cb71ab9ab790c5fe8d67f1645e6c450a7ce006a33de03daa956cf70a496" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.117", +] + +[[package]] +name = "tokio-stream" +version = "0.1.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "32da49809aab5c3bc678af03902d4ccddea2a87d028d86392a4b1560c6906c70" +dependencies = [ + "futures-core", + "pin-project-lite", + "tokio", + "tokio-util", +] + +[[package]] +name = "tokio-util" +version = "0.7.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9ae9cec805b01e8fc3fd2fe289f89149a9b66dd16786abd8b19cfa7b48cb0098" +dependencies = [ + "bytes", + "futures-core", + "futures-sink", + "pin-project-lite", + "tokio", +] + +[[package]] +name = "unicode-ident" +version = "1.0.24" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75" + +[[package]] +name = "unicode-xid" +version = "0.2.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853" + +[[package]] +name = "wasi" +version = "0.11.1+wasi-snapshot-preview1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b" + +[[package]] +name = "wasip2" +version = "1.0.3+wasi-0.2.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "20064672db26d7cdc89c7798c48a0fdfac8213434a1186e5ef29fd560ae223d6" +dependencies = [ + "wit-bindgen 0.57.1", +] + +[[package]] +name = "wasip3" +version = "0.4.0+wasi-0.3.0-rc-2026-01-06" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5" +dependencies = [ + "wit-bindgen 0.51.0", +] + +[[package]] +name = "wasm-encoder" +version = "0.244.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319" +dependencies = [ + "leb128fmt", + "wasmparser", +] + +[[package]] +name = "wasm-metadata" +version = "0.244.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909" +dependencies = [ + "anyhow", + "indexmap", + "wasm-encoder", + "wasmparser", +] + +[[package]] +name = "wasmparser" +version = "0.244.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe" +dependencies = [ + "bitflags", + "hashbrown 0.15.5", + "indexmap", + "semver", +] + +[[package]] +name = "windows-link" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5" + +[[package]] +name = "windows-sys" +version = "0.61.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc" +dependencies = [ + "windows-link", +] + +[[package]] +name = "wit-bindgen" +version = "0.51.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5" +dependencies = [ + "wit-bindgen-rust-macro", +] + +[[package]] +name = "wit-bindgen" +version = "0.57.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1ebf944e87a7c253233ad6766e082e3cd714b5d03812acc24c318f549614536e" + +[[package]] +name = "wit-bindgen-core" +version = "0.51.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc" +dependencies = [ + "anyhow", + "heck 0.5.0", + "wit-parser", +] + +[[package]] +name = "wit-bindgen-rust" +version = "0.51.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21" +dependencies = [ + "anyhow", + "heck 0.5.0", + "indexmap", + "prettyplease", + "syn 2.0.117", + "wasm-metadata", + "wit-bindgen-core", + "wit-component", +] + +[[package]] +name = "wit-bindgen-rust-macro" +version = "0.51.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a" +dependencies = [ + "anyhow", + "prettyplease", + "proc-macro2", + "quote", + "syn 2.0.117", + "wit-bindgen-core", + "wit-bindgen-rust", +] + +[[package]] +name = "wit-component" +version = "0.244.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2" +dependencies = [ + "anyhow", + "bitflags", + "indexmap", + "log", + "serde", + "serde_derive", + "serde_json", + "wasm-encoder", + "wasm-metadata", + "wasmparser", + "wit-parser", +] + +[[package]] +name = "wit-parser" +version = "0.244.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736" +dependencies = [ + "anyhow", + "id-arena", + "indexmap", + "log", + "semver", + "serde", + "serde_derive", + "serde_json", + "unicode-xid", + "wasmparser", +] + +[[package]] +name = "zerocopy" +version = "0.8.48" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "eed437bf9d6692032087e337407a86f04cd8d6a16a37199ed57949d415bd68e9" +dependencies = [ + "zerocopy-derive", +] + +[[package]] +name = "zerocopy-derive" +version = "0.8.48" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "70e3cd084b1788766f53af483dd21f93881ff30d7320490ec3ef7526d203bad4" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.117", +] + +[[package]] +name = "zmij" +version = "1.0.21" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa" diff --git a/livekit-datatrack/fuzz/Cargo.toml b/livekit-datatrack/fuzz/Cargo.toml new file mode 100644 index 000000000..3902f086c --- /dev/null +++ b/livekit-datatrack/fuzz/Cargo.toml @@ -0,0 +1,27 @@ +[package] +name = "livekit-datatrack-fuzz" +version = "0.1.0" +edition = "2024" +publish = false + +# Detached from the parent workspace +[workspace] + +[package.metadata] +cargo-fuzz = true + +[dependencies] +libfuzzer-sys = "0.4" +bytes = "1.10" +fake = { version = "4.4", features = ["derive"] } + +[dependencies.livekit-datatrack] +path = ".." +features = ["__fuzz"] + +[[bin]] +name = "packet_deserialize" +path = "fuzz_targets/packet_deserialize.rs" +test = false +doc = false +bench = false diff --git a/livekit-datatrack/fuzz/README.md b/livekit-datatrack/fuzz/README.md new file mode 100644 index 000000000..39715e3cf --- /dev/null +++ b/livekit-datatrack/fuzz/README.md @@ -0,0 +1,20 @@ +# Packet deserialization fuzzing + +Mutation-based fuzzing for `livekit-datatrack`, built with [`cargo-fuzz`](https://rust-fuzz.github.io/book/cargo-fuzz.html). + +## Prerequisites + +```sh +rustup install nightly +cargo install cargo-fuzz +``` + +## Basic usage + +From this directory: + +```sh +cargo +nightly fuzz run packet_deserialize -- -max_len=256 +``` + +See `cargo +nightly fuzz --help` for more options. diff --git a/livekit-datatrack/fuzz/fuzz_targets/packet_deserialize.rs b/livekit-datatrack/fuzz/fuzz_targets/packet_deserialize.rs new file mode 100644 index 000000000..8e0295ca4 --- /dev/null +++ b/livekit-datatrack/fuzz/fuzz_targets/packet_deserialize.rs @@ -0,0 +1,32 @@ +#![no_main] + +use bytes::Bytes; +use fake::Fake; +use libfuzzer_sys::fuzz_target; +use livekit_datatrack::__fuzz::Packet; +use std::{fs, io::Write, path::PathBuf, sync::Once}; + +const SEED_COUNT: usize = 16; +const SEED_MAX_PAYLOAD_LEN: usize = 64; + +fn generate_seed_packets() { + let corpus = + PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("corpus").join("packet_deserialize"); + let Ok(()) = fs::create_dir_all(&corpus) else { return }; + + for i in 0..SEED_COUNT { + let path = corpus.join(format!("seed_{i}")); + let Ok(mut f) = fs::OpenOptions::new().write(true).create_new(true).open(&path) else { + // Seed for this index already exists. + continue; + }; + let packet: Packet = SEED_MAX_PAYLOAD_LEN.fake(); + let _ = f.write_all(&packet.serialize()); + } +} + +fuzz_target!(|data: &[u8]| { + static SEED_INIT: Once = Once::new(); + SEED_INIT.call_once(generate_seed_packets); + let _ = Packet::deserialize(Bytes::copy_from_slice(data)); +}); diff --git a/livekit-datatrack/src/lib.rs b/livekit-datatrack/src/lib.rs index 573f7e11a..1faadfeb5 100644 --- a/livekit-datatrack/src/lib.rs +++ b/livekit-datatrack/src/lib.rs @@ -57,3 +57,10 @@ pub mod backend { pub use crate::remote::{events::*, manager::*, proto::*}; } } + +/// Internal re-export for the fuzzing target. +#[doc(hidden)] +#[cfg(feature = "__fuzz")] +pub mod __fuzz { + pub use crate::packet::{Extensions, FrameMarker, Handle, Header, Packet, Timestamp}; +} diff --git a/livekit-datatrack/src/packet/extension.rs b/livekit-datatrack/src/packet/extension.rs index a41f9d7de..e63b0a517 100644 --- a/livekit-datatrack/src/packet/extension.rs +++ b/livekit-datatrack/src/packet/extension.rs @@ -15,18 +15,18 @@ use core::fmt; #[derive(Debug, Clone, Default, PartialEq, Eq)] -#[cfg_attr(test, derive(fake::Dummy))] +#[cfg_attr(any(test, feature = "__fuzz"), derive(fake::Dummy))] pub struct Extensions { pub user_timestamp: Option, pub e2ee: Option, } #[derive(Debug, Clone, Copy, PartialEq, Eq)] -#[cfg_attr(test, derive(fake::Dummy))] +#[cfg_attr(any(test, feature = "__fuzz"), derive(fake::Dummy))] pub struct UserTimestampExt(pub u64); #[derive(Clone, Copy, PartialEq, Eq)] -#[cfg_attr(test, derive(fake::Dummy))] +#[cfg_attr(any(test, feature = "__fuzz"), derive(fake::Dummy))] pub struct E2eeExt { pub key_index: u8, pub iv: [u8; 12], diff --git a/livekit-datatrack/src/packet/handle.rs b/livekit-datatrack/src/packet/handle.rs index 0913a0529..4319b30ee 100644 --- a/livekit-datatrack/src/packet/handle.rs +++ b/livekit-datatrack/src/packet/handle.rs @@ -85,7 +85,7 @@ impl HandleAllocator { } } -#[cfg(test)] +#[cfg(any(test, feature = "__fuzz"))] impl fake::Dummy for Handle { fn dummy_with_rng(_: &fake::Faker, rng: &mut R) -> Self { Self::try_from(rng.random_range(1..u16::MAX)).unwrap() diff --git a/livekit-datatrack/src/packet/mod.rs b/livekit-datatrack/src/packet/mod.rs index 86b5af5fe..05d08a96f 100644 --- a/livekit-datatrack/src/packet/mod.rs +++ b/livekit-datatrack/src/packet/mod.rs @@ -32,7 +32,7 @@ pub struct Packet { } #[derive(Debug, Clone, PartialEq, Eq)] -#[cfg_attr(test, derive(fake::Dummy))] +#[cfg_attr(any(test, feature = "__fuzz"), derive(fake::Dummy))] pub struct Header { pub marker: FrameMarker, pub track_handle: Handle, @@ -44,7 +44,7 @@ pub struct Header { /// Marker indicating a packet's position in relation to a frame. #[derive(Debug, Clone, Copy, PartialEq, Eq)] -#[cfg_attr(test, derive(fake::Dummy))] +#[cfg_attr(any(test, feature = "__fuzz"), derive(fake::Dummy))] pub enum FrameMarker { /// Packet is the first in a frame. Start, @@ -65,6 +65,24 @@ impl fmt::Debug for Packet { } } +#[cfg(any(test, feature = "__fuzz"))] +impl fake::Dummy for Packet { + fn dummy_with_rng(max_payload_len: &usize, rng: &mut R) -> Self { + use fake::Fake; + let payload_len = rng.random_range(0..=*max_payload_len); + let payload = (0..payload_len).map(|_| rng.random()).collect::(); + Self { header: fake::Faker.fake_with_rng(rng), payload } + } +} + +#[cfg(any(test, feature = "__fuzz"))] +impl fake::Dummy for Packet { + fn dummy_with_rng(_: &fake::Faker, rng: &mut R) -> Self { + use fake::Fake; + 1500usize.fake_with_rng(rng) + } +} + /// Constants used for serialization and deserialization. pub(crate) mod consts { pub const SUPPORTED_VERSION: u8 = 0; diff --git a/livekit-datatrack/src/packet/time.rs b/livekit-datatrack/src/packet/time.rs index aba02f8d7..3b2b3640d 100644 --- a/livekit-datatrack/src/packet/time.rs +++ b/livekit-datatrack/src/packet/time.rs @@ -115,7 +115,7 @@ mod tests { } } -#[cfg(test)] +#[cfg(any(test, feature = "__fuzz"))] impl fake::Dummy for Timestamp { fn dummy_with_rng(_: &fake::Faker, rng: &mut R) -> Self { Self(rng.random()) diff --git a/livekit-datatrack/src/remote/depacketizer.rs b/livekit-datatrack/src/remote/depacketizer.rs index af2e456df..d27e859c6 100644 --- a/livekit-datatrack/src/remote/depacketizer.rs +++ b/livekit-datatrack/src/remote/depacketizer.rs @@ -306,7 +306,7 @@ mod tests { assert!(result.frame.is_none() && result.drop_error.is_none()); let first_frame_number = packet.header.frame_number; - packet.header.frame_number += packet.header.frame_number.wrapping_add(1); // Next frame + packet.header.frame_number = packet.header.frame_number.wrapping_add(1); // Next frame let result = depacketizer.push(packet); assert!(result.frame.is_none()); @@ -414,11 +414,4 @@ mod tests { // Should retain the second packet with duplicate sequence number } - impl fake::Dummy for Packet { - fn dummy_with_rng(_: &fake::Faker, rng: &mut R) -> Self { - let payload_len = rng.random_range(0..=1500); - let payload = (0..payload_len).map(|_| rng.random()).collect::(); - Self { header: Faker.fake_with_rng(rng), payload } - } - } } From b24014275a2beb57f63493dd160758a9299cf674 Mon Sep 17 00:00:00 2001 From: Jacob Gelman <3182119+ladvoc@users.noreply.github.com> Date: Wed, 6 May 2026 15:04:27 -0700 Subject: [PATCH 2/3] Add license --- .../fuzz/fuzz_targets/packet_deserialize.rs | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/livekit-datatrack/fuzz/fuzz_targets/packet_deserialize.rs b/livekit-datatrack/fuzz/fuzz_targets/packet_deserialize.rs index 8e0295ca4..07218a3e6 100644 --- a/livekit-datatrack/fuzz/fuzz_targets/packet_deserialize.rs +++ b/livekit-datatrack/fuzz/fuzz_targets/packet_deserialize.rs @@ -1,3 +1,17 @@ +// Copyright 2026 LiveKit, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + #![no_main] use bytes::Bytes; From d02f922107006aa41da62194b4747d62f93682c2 Mon Sep 17 00:00:00 2001 From: Jacob Gelman <3182119+ladvoc@users.noreply.github.com> Date: Wed, 6 May 2026 15:04:41 -0700 Subject: [PATCH 3/3] Format --- livekit-datatrack/src/remote/depacketizer.rs | 1 - 1 file changed, 1 deletion(-) diff --git a/livekit-datatrack/src/remote/depacketizer.rs b/livekit-datatrack/src/remote/depacketizer.rs index d27e859c6..c071afd15 100644 --- a/livekit-datatrack/src/remote/depacketizer.rs +++ b/livekit-datatrack/src/remote/depacketizer.rs @@ -413,5 +413,4 @@ mod tests { assert!(frame.payload.starts_with(&[0xCD; 3])); // Should retain the second packet with duplicate sequence number } - }