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FileNotFoundError when uploading queue #48

@tysmith

Description

@tysmith
[Job 3] Received terminate request...
[Job 3] ==23087== libFuzzer: run interrupted; exiting
upload_to_queue() -> before=359, new=848, after=1207, errors=0 (9.487s)
Traceback (most recent call last):
  File "/usr/local/bin/guided-fuzzing-daemon", line 8, in <module>
    sys.exit(main())
  File "/usr/local/lib/python3.8/dist-packages/guided_fuzzing_daemon/main.py", line 124, in main
    return libfuzzer_main(opts, collector, storage)
  File "/usr/local/lib/python3.8/dist-packages/guided_fuzzing_daemon/libfuzzer.py", line 578, in libfuzzer_main
    corpus_syncer.upload_queue(original_corpus)
  File "/usr/local/lib/python3.8/dist-packages/guided_fuzzing_daemon/storage.py", line 435, in upload_queue
    executor.submit(remote_obj.upload_from_file, testcase)
  File "/usr/local/lib/python3.8/dist-packages/guided_fuzzing_daemon/utils.py", line 186, in submit
    _check_jobs()
  File "/usr/local/lib/python3.8/dist-packages/guided_fuzzing_daemon/utils.py", line 170, in _check_jobs
    job.result()  # raises, if the job raised
  File "/usr/lib/python3.8/concurrent/futures/_base.py", line 437, in result
    return self.__get_result()
  File "/usr/lib/python3.8/concurrent/futures/_base.py", line 389, in __get_result
    raise self._exception
  File "/usr/lib/python3.8/concurrent/futures/thread.py", line 57, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/local/lib/python3.8/dist-packages/guided_fuzzing_daemon/storage.py", line 173, in upload_from_file
    with src.open("rb") as fobj:
  File "/usr/lib/python3.8/pathlib.py", line 1222, in open
    return io.open(self, mode, buffering, encoding, errors, newline,
  File "/usr/lib/python3.8/pathlib.py", line 1078, in _opener
    return self._accessor.open(self, flags, mode)
FileNotFoundError: [Errno 2] No such file or directory: '/home/worker/corpora/a415aa71ad4bf370923b7c3904a2320a0f5157a4'

Perhaps add an ignore argument to upload_from_file()?

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