How to get the corpus used by OSS-fuzz for a given target ?

[sultah]

Hi,

Is there a way to get the corpus used by OSS-fuzz for a given target ? I cannot find anything explaining how to get the corpus

Thanks,

Hassan

[maflcko]

The public ones should be located at f"https://storage.googleapis.com/{project}-backup.clusterfuzz-external.appspot.com/corpus/libFuzzer/{project}_{target}/public.zip"

See also https://google.github.io/oss-fuzz/advanced-topics/corpora/#corpus-backups

[sultah]

Weird, I swear this worked a few days ago, but now if I enter for example :

gsutil -m cp -r gs://storage.googleapis.com/libpng-backup.clusterfuzz-external.appspot.com/corpus/libFuzzer/libpng_read_fuzzer/public.zip /tmp

I get a 404 bucket not found exception. Were the buckets removed / renamed ?

[maflcko]

With gsutil you may have to log in using the correct google account, but I haven't tried this.

Locally, this works just fine:

curl -v -L -O 'https://storage.googleapis.com/libpng-backup.clusterfuzz-external.appspot.com/corpus/libFuzzer/libpng_read_fuzzer/public.zip'