Detailed report: https://clusterfuzz.com/testcase?key=5729145778339840

Fuzzer: ifratric-browserfuzzer-v3
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::String::MakeExternal
  v8::String::MakeExternal
  blink::NativeValueTraits<blink::IDLUSVStringBase<
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=601314:601346

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5729145778339840

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.