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Update reproducing.md

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Mike Aizatsky 2016-10-26 11:04:46 -07:00 committed by GitHub
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docs/reproducing.md
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@ -8,8 +8,21 @@ is entirely possible to do without.
Follow these steps:
- download reproducer file
- run `docker run -v <reproducer_file>:/testcase -t ossfuzz/<target> reproduce <fuzzer>`.
This will build a fuzzer (with recent target sources in the image) and will run it with reproducer input.
- `docker run -v <local_sources>:/src/target_src -v <reproducer_file>:/testcase -t ossfuzz/<target> reproduce <fuzzer>` will build
fuzzer from your *local* target source. Use it to develop a fix and verify.
- *Download testcase.* Each issue has a minimized testcase link. Download the testcase to a file.
- *Reproduce from nightly sources.* Run:
```bash
docker run --rm -v <testcase_file>:/testcase -t ossfuzz/<target> reproduce <fuzzer>`
```
It builds the fuzzer from nightly sources (in the image) and runs it with reproducer input.
- *Reproduce with local sources.* Run:
```bash
docker run --rm -v <local_sources>:/src/target_src -v <reproducer_file>:/testcase -t ossfuzz/<target> reproduce <fuzzer>
```
It is essentialy the previous command that addionally mounts local sources into the running container.
- *Fix the issue.* Use the previous command to help you fix the issue.
- *Submit the fix.* Clusterfuzz will automatically pick up the changes, recheck the testcast
and will close the issue.