Fix panic attempting to encode zero sized webp #888

Workflow file for this run

	name: Rust CI

	on:
	push:
	branches: [ master, next ]
	pull_request:
	branches: [ master, next ]

	jobs:
	build:
	name: Run tests and doctests on ubuntu
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	rust: ["1.61.0", stable, beta, nightly]
	features: [gif, jpeg, png, tiff, ico, pnm, tga, webp, bmp, hdr, dxt, dds, farbfeld, openexr, jpeg_rayon, webp-encoder, '']
	steps:
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@v1
	with:
	toolchain: ${{ matrix.rust }}
	- name: Cache Cargo Dependencies
	uses: Swatinem/rust-cache@v2
	with:
	cache-on-failure: true
	- name: Install MSRV Cargo.lock
	if: ${{ matrix.rust == '1.61.0' }}
	run: mv Cargo.lock.msrv Cargo.lock
	- name: build
	run: cargo build -v --no-default-features --features "$FEATURES"
	env:
	FEATURES: ${{ matrix.features }}
	- name: test
	if: ${{ matrix.rust == 'stable' \|\| matrix.rust == 'beta' \|\| matrix.rust == 'nightly' }}
	run: >
	cargo test -v --no-default-features --features "$FEATURES" &&
	cargo doc -v --no-default-features --features "$FEATURES"
	env:
	FEATURES: ${{ matrix.features }}

	build_big_endian:
	name: Run tests on big endian architecture

	# github actions does not support big endian systems directly, but it does support QEMU.
	# so we install qemu, then build and run the tests in an emulated mips system.
	# note: you can also use this approach to test for big endian locally.
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	features: [gif, jpeg, png, tiff, ico, pnm, tga, webp, bmp, hdr, dxt, dds, farbfeld, openexr, jpeg_rayon, webp-encoder, '']

	# we are using the cross project for cross compilation to mips:
	# https://github.com/cross-rs/cross
	steps:
	- uses: actions/checkout@v2

	- name: Install or use cached cross-rs/cross
	uses: baptiste0928/cargo-install@v1
	with:
	crate: cross

	- name: Cache Cargo Dependencies
	uses: Swatinem/rust-cache@v2
	with:
	cache-on-failure: true

	- name: Start Docker (required for cross-rs)
	run: sudo systemctl start docker

	- name: Cross-Compile project to mips-unknown-linux-gnu
	run: \|
	cross build --target=mips-unknown-linux-gnu --verbose -v --no-default-features --features "$FEATURES"
	env:
	FEATURES: ${{ matrix.features }}

	# https://github.com/cross-rs/cross#supported-targets
	- name: Cross-Run Tests in mips-unknown-linux-gnu using Qemu
	continue-on-error: true
	run: \|
	cross test --target mips-unknown-linux-gnu --verbose -v --no-default-features --features "$FEATURES"
	env:
	FEATURES: ${{ matrix.features }}

	test_defaults:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@stable
	- name: build
	run: cargo build -v --release
	- name: test
	run: cargo test -v --release

	test_avif:
	runs-on: ubuntu-22.04
	steps:
	- name: install-dependencies
	run: sudo apt update && sudo apt install nasm
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@stable
	- name: build
	run: cargo build -v --no-default-features --features="avif"

	test_avif_decoding:
	runs-on: ubuntu-22.04
	steps:
	- name: install-dependencies
	run: sudo apt update && sudo apt install ninja-build meson nasm
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@stable
	- name: build
	run: cargo build -v --no-default-features --features="avif-decoder"
	env:
	SYSTEM_DEPS_DAV1D_BUILD_INTERNAL: always

	clippy:
	runs-on: ubuntu-22.04
	steps:
	- name: install-dependencies
	run: sudo apt update && sudo apt install ninja-build meson nasm
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy
	- run: cargo clippy --all-features -- -D warnings
	env:
	SYSTEM_DEPS_DAV1D_BUILD_INTERNAL: always

	build_fuzz_afl:
	name: "Fuzz targets (afl)"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@nightly
	- name: install-deps
	run: sudo apt-get -y install clang llvm
	- name: build
	run: \|
	cargo install afl
	cd fuzz-afl
	cargo check --bin reproduce_webp
	cargo check --bin reproduce_pnm
	cargo afl check --bin fuzz_webp
	cargo afl check --bin fuzz_pnm
	env:
	RUSTFLAGS: ""

	build_fuzz_cargo-fuzz:
	name: "Fuzz targets (cargo-fuzz)"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@nightly
	- name: build
	run: \|
	cargo install cargo-fuzz
	cargo fuzz build
	- name: fuzz
	run: \|
	for format in $(cargo fuzz list); do
	cargo fuzz run "$format" -- -runs=0;
	done

	public_private_dependencies:
	name: "Public private dependencies"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@nightly
	- name: build
	run: \|
	mv ./Cargo.toml.public-private-dependencies ./Cargo.toml
	echo "#![deny(exported_private_dependencies)]" \| cat - src/lib.rs > src/lib.rs.0
	mv src/lib.rs.0 src/lib.rs
	cargo check

	build_benchmarks:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@nightly
	- name: build
	run: cargo build -v --benches --features=benchmarks

	rustfmt:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- name: Run rustfmt check
	run: cargo fmt -- --check

	cargo-deny:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v2
	- uses: EmbarkStudios/cargo-deny-action@v1

	verify_msrv:
	name: Verify Minimum Supported Rust Version in Cargo.toml
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install or use cached `cargo-msrv`
	uses: baptiste0928/cargo-install@v1
	with:
	crate: cargo-msrv
	- name: Install MSRV Cargo.lock
	run: mv Cargo.lock.msrv Cargo.lock
	- name: Verify Minimum Rust Version
	run: cargo-msrv verify

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Fix panic attempting to encode zero sized webp #888

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Fix panic attempting to encode zero sized webp #888

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Workflow file for this run