Detailed report: https://clusterfuzz.com/testcase?key=6641152689438720

Fuzzer: libFuzzer_csv_reader_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  false. failed to open UTS46 data with error: 4. If you see this error message in
  url::UIDNAWrapper::UIDNAWrapper
  base::LazyInstanceTraitsBase<url::UIDNAWrapper>::New
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=515502:515515

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6641152689438720

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.