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More fuzzer notes

This commit is contained in:
Jay Berkenbilt 2019-08-28 21:47:03 -04:00
parent 47a38a942d
commit bb3ae14f04
1 changed files with 9 additions and 1 deletions
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@ -27,6 +27,8 @@ Memory checks:
GOOGLE OSS-FUZZ
* See ../misc/fuzz (not in repo) for unfixed, downloaded fuzz test cases
* qpdf project: https://github.com/google/oss-fuzz/tree/master/projects/qpdf
* To test locally, see https://github.com/google/oss-fuzz/tree/master/docs/,
@ -38,11 +40,17 @@ GOOGLE OSS-FUZZ
from a qpdf fork/branch rather than qpdf/master.
python infra/helper.py build_image --pull qpdf
python infra/helper.py build_fuzzers qpdf
python infra/helper.py build_fuzzers [ --sanitizer memory|undefined|address qpdf
python infra/helper.py check_build qpdf
python infra/helper.py build_fuzzers --sanitizer coverage qpdf
python infra/helper.py coverage qpdf
To reproduce a test case, build with the correct sanitizer, then run
python infra/helper.py reproduce qpdf fuzzer testcase
where fuzzer is the fuzzer used in the crash.
The fuzzer is in build/out/qpdf. It can be run with a directory as
an argument to run against files in a directory. You can use