linux-test-project/ltp
Ltp
The Linux Test Project (LTP) is a comprehensive test suite and framework for validating the reliability, robustness, and stability of the Linux kernel. It provides a structured environment for writing, building, and executing kernel tests, covering system call validation, network protocol testing, KVM virtualization testing, and kernel security regression testing through CVE reproduction.
The project includes a kernel-test harness framework with dedicated C and shell APIs for writing self-contained test cases, along with an Autotools-based build system that handles cross-compilation and kernel header dependencies. It supports KVM-based test isolation, allowing the test suite to run inside a virtual machine to prevent interference from the host system, and captures core dumps and kernel logs when tests crash for offline debugging and analysis.
The LTP also provides a network protocol test suite with its own API for validating kernel networking features, a system call test framework for verifying correct behavior and error handling of individual system calls, and a collection of CVE reproducer test cases for verifying kernel security patches. The project includes a shell-based test runner for rapid test development without compilation, and supports controlled environment execution and virtual machine runners for isolated testing.