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.
Features
- Kernel Reliability Validations - Runs a comprehensive suite of tests to validate the reliability, robustness, and stability of the Linux kernel.
- Kernel Validation Suites - Executes a comprehensive set of tests to validate the reliability, robustness, and stability of the Linux kernel and its features.
- Kernel Build Systems - Uses GNU Autotools to configure, compile, and link kernel test programs with cross-compilation support.
- Networking and Connectivity - Validates network functionality by sending and receiving data over various protocols and interfaces.
- Network Protocol Testing - Validates kernel networking features and protocols by sending and receiving data over various interfaces.
- Kernel Network Protocol Validations - Provides a dedicated network API and test cases that validate kernel networking features over various protocols.
- System Call Behavior Validations - Tests the correct behavior and error handling of Linux system calls through a dedicated test suite.
- CVE Regression Test Suites - Reproduces known CVEs to verify kernel security patches and identify regressions in the Linux kernel.
- Kernel Test Shell Runners - Executes test scripts in a shell environment to validate kernel behavior and system responses.
- Shell Kernel Test APIs - Provides a Shell API for writing kernel tests, enabling rapid test development without compilation.
- Test Harnesses - Defines a structured C and shell API for writing self-contained kernel tests with setup, teardown, and pass/fail reporting.
- Kernel Test Case Creations - Writes self-contained kernel test cases in C or shell that exercise specific behaviors and report pass or fail.
- C Kernel Test APIs - Provides a C API and guidelines for writing new kernel tests from scratch, including setup and teardown.
- Kernel Vulnerability Reproducers - Provides test cases that reproduce known Linux kernel vulnerabilities to verify security patches and identify regressions.
- Known Vulnerability Reproduction - Includes test cases that reproduce specific Common Vulnerabilities and Exposures to verify kernel security patches.
- KVM Functionality Validations - Develops and runs tests that validate kernel-based virtual machine functionality using the KVM API.
- Controlled Environment Test Executions - Executes kernel tests in a dedicated environment to isolate results and prevent interference from other processes.
- Virtual Machine Test Execution - Launches a KVM virtual machine to execute the test suite in an isolated environment, preventing host interference.
- Kernel Test Failure Debugging - Captures core dumps and kernel logs when a test crashes for offline debugging and analysis.
