Individual skill
kernel-testing
Use when writing KUnit tests, adding kselftest cases, fuzzing syscalls with syzkaller and kcov, running LTP, or wiring CI for a kernel patch.
.devin/skills/kernel-testing/SKILL.md
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- Apache-2.0
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# Kernel testing
## Contract
| Field | Bound contract |
|---|---|
| Trigger | Unit-testing kernel library or driver helper code, adding a regression test under `tools/testing/selftests/`, fuzzing syscall or ioctl surfaces, measuring kernel coverage, or standing up CI for patches. |
| Authority | Reversible local: writes only test files, Kconfig fragments, and fuzzing configs inside the tree; rollback is version control. No remote mutation. |
| Side effect | Test sources, a Kconfig fragment, a syzkaller config, and run transcripts. |
| Done | The chosen layer has a test that runs green, or a minimized crash reproduction, and the run transcript shows the counts. |
## Inputs
1. Code under test (required): a kernel function, driver helper, syscall surface, or a patch.