mirror of
https://github.com/exoticorn/upkr.git
synced 2026-01-20 11:36:42 +01:00
more config options, unpack error handling, fuzzing
This commit is contained in:
3
fuzz/.gitignore
vendored
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3
fuzz/.gitignore
vendored
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@@ -0,0 +1,3 @@
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target
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corpus
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artifacts
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247
fuzz/Cargo.lock
generated
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247
fuzz/Cargo.lock
generated
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@@ -0,0 +1,247 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "anyhow"
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version = "1.0.65"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "98161a4e3e2184da77bb14f02184cdd111e83bbbcc9979dfee3c44b9a85f5602"
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[[package]]
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name = "arbitrary"
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version = "1.1.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f44124848854b941eafdb34f05b3bcf59472f643c7e151eba7c2b69daa469ed5"
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[[package]]
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name = "autocfg"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
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[[package]]
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name = "cc"
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version = "1.0.73"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
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dependencies = [
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"jobserver",
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]
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[[package]]
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name = "cdivsufsort"
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version = "2.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "edefce019197609da416762da75bb000bbd2224b2d89a7e722c2296cbff79b8c"
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dependencies = [
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"cc",
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"sacabase",
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]
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "crossbeam-channel"
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version = "0.5.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c2dd04ddaf88237dc3b8d8f9a3c1004b506b54b3313403944054d23c0870c521"
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dependencies = [
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"cfg-if",
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"crossbeam-utils",
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]
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[[package]]
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name = "crossbeam-utils"
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version = "0.8.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "51887d4adc7b564537b15adcfb307936f8075dfcd5f00dde9a9f1d29383682bc"
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dependencies = [
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"cfg-if",
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"once_cell",
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]
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[[package]]
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name = "jobserver"
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version = "0.1.25"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "lexopt"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "478ee9e62aaeaf5b140bd4138753d1f109765488581444218d3ddda43234f3e8"
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[[package]]
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name = "libc"
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version = "0.2.133"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c0f80d65747a3e43d1596c7c5492d95d5edddaabd45a7fcdb02b95f644164966"
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[[package]]
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name = "libfuzzer-sys"
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version = "0.4.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ae185684fe19814afd066da15a7cc41e126886c21282934225d9fc847582da58"
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dependencies = [
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"arbitrary",
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"cc",
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"once_cell",
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]
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[[package]]
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name = "num-traits"
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version = "0.2.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
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dependencies = [
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"autocfg",
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]
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[[package]]
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name = "once_cell"
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version = "1.15.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
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[[package]]
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name = "pbr"
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version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ff5751d87f7c00ae6403eb1fcbba229b9c76c9a30de8c1cf87182177b168cea2"
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dependencies = [
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"crossbeam-channel",
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"libc",
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"time",
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"winapi",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.44"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7bd7356a8122b6c4a24a82b278680c73357984ca2fc79a0f9fa6dea7dced7c58"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "sacabase"
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version = "2.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9883fc3d6ce3d78bb54d908602f8bc1f7b5f983afe601dabe083009d86267a84"
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dependencies = [
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"num-traits",
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]
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[[package]]
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name = "syn"
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version = "1.0.101"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e90cde112c4b9690b8cbe810cba9ddd8bc1d7472e2cae317b69e9438c1cba7d2"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "thiserror"
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version = "1.0.36"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0a99cb8c4b9a8ef0e7907cd3b617cc8dc04d571c4e73c8ae403d80ac160bb122"
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dependencies = [
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"thiserror-impl",
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]
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[[package]]
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name = "thiserror-impl"
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version = "1.0.36"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3a891860d3c8d66fec8e73ddb3765f90082374dbaaa833407b904a94f1a7eb43"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "time"
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version = "0.1.44"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
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dependencies = [
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"libc",
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"wasi",
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"winapi",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dcc811dc4066ac62f84f11307873c4850cb653bfa9b1719cee2bd2204a4bc5dd"
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[[package]]
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name = "upkr"
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version = "0.2.0-pre3"
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dependencies = [
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"anyhow",
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"cdivsufsort",
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"lexopt",
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"pbr",
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"thiserror",
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]
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[[package]]
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name = "upkr-fuzz"
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version = "0.0.0"
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dependencies = [
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"libfuzzer-sys",
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"upkr",
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]
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[[package]]
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name = "wasi"
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version = "0.10.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
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[[package]]
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name = "winapi"
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version = "0.3.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
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dependencies = [
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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]
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[[package]]
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name = "winapi-i686-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
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[[package]]
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name = "winapi-x86_64-pc-windows-gnu"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
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31
fuzz/Cargo.toml
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31
fuzz/Cargo.toml
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@@ -0,0 +1,31 @@
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[package]
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name = "upkr-fuzz"
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version = "0.0.0"
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authors = ["Automatically generated"]
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publish = false
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edition = "2018"
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[package.metadata]
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cargo-fuzz = true
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[dependencies]
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libfuzzer-sys = "0.4"
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[dependencies.upkr]
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path = ".."
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# Prevent this from interfering with workspaces
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[workspace]
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members = ["."]
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[[bin]]
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name = "all_configs"
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path = "fuzz_targets/all_configs.rs"
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test = false
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doc = false
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[[bin]]
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name = "unpack"
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path = "fuzz_targets/unpack.rs"
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test = false
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doc = false
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29
fuzz/fuzz_targets/all_configs.rs
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29
fuzz/fuzz_targets/all_configs.rs
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#![no_main]
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use libfuzzer_sys::fuzz_target;
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fuzz_target!(|data: &[u8]| {
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let mut config = upkr::Config::default();
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let mut level = 1;
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let mut data = data;
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if data.len() > 2 {
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let flags1 = data[0];
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let flags2 = data[1];
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data = &data[2..];
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config.use_bitstream = (flags1 & 1) != 0;
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config.parity_contexts = if (flags1 & 2) == 0 { 1 } else { 2 };
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config.invert_bit_encoding = (flags1 & 4) != 0;
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config.is_match_bit = (flags1 & 8) != 0;
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config.new_offset_bit = (flags1 & 16) != 0;
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config.continue_value_bit = (flags1 & 32) != 0;
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config.bitstream_is_big_endian = (flags1 & 64) != 0;
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config.simplified_prob_update = (flags1 & 128) != 0;
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config.no_repeated_offsets = (flags2 & 32) != 0;
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config.eof_in_length = (flags2 & 1) != 0;
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config.max_offset = if (flags2 & 2) == 0 { usize::MAX } else { 32 };
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config.max_length = if (flags2 & 4) == 0 { usize::MAX } else { 5 };
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level = (flags2 >> 3) & 3;
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}
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let packed = upkr::pack(data, level, &config, None);
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let unpacked = upkr::unpack(&packed, &config, 1024 * 1024).unwrap();
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assert!(unpacked == data);
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});
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6
fuzz/fuzz_targets/unpack.rs
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6
fuzz/fuzz_targets/unpack.rs
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@@ -0,0 +1,6 @@
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#![no_main]
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use libfuzzer_sys::fuzz_target;
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fuzz_target!(|data: &[u8]| {
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let _ = upkr::unpack(data, &upkr::Config::default(), 64 * 1024);
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});
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