Detailed report: https://clusterfuzz.com/testcase?key=5733699870130176

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  test_runner::TestRunner::WorkQueue::ProcessWork
  base::debug::TaskAnnotator::RunTask
  base::sequence_manager::internal::ThreadControllerImpl::DoWork
  
Sanitizer: address (ASAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5733699870130176

Issue filed automatically.

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