pezkuwichain
78095d125e
1. TOML format (taplo): 123 files reformatted using correct config - Command: taplo format --config .config/taplo.toml 2. Zepter feature propagation fix: - pezframe-support: added pezsp-timestamp/try-runtime to try-runtime feature 3. generate-umbrella.py bug fix: - Script crashed when Cargo.toml/src didn't exist in umbrella dir - Added existence checks before deletion
XCM Simulator Fuzzer
This project will fuzz-test the XCM simulator. It can catch reachable panics, timeouts as well as integer overflows and underflows.
Install dependencies
cargo install honggfuzz --locked
Run the fuzzer
In this directory, run this command:
HFUZZ_BUILD_ARGS="--features=try-runtime" cargo hfuzz run xcm-fuzzer
Run a single input
In this directory, run this command:
cargo run --features=try-runtime -- hfuzz_workspace/xcm-fuzzer/fuzzer_input_file
Generate coverage
In this directory, run these four commands:
RUSTFLAGS="-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort" \
CARGO_INCREMENTAL=0 SKIP_WASM_BUILD=1 CARGO_HOME=./cargo cargo build --features=try-runtime
../../../target/debug/xcm-fuzzer hfuzz_workspace/xcm-fuzzer/input/
zip -0 ccov.zip `find ../../../target/ \( -name "*.gc*" -o -name "test-*.gc*" \) -print`
grcov ccov.zip -s ../../../ -t html --llvm --branch --ignore-not-existing -o ./coverage
The code coverage will be in ./coverage/index.html.