Detailed report: https://clusterfuzz.com/testcase?key=5134559032377344

Fuzzer: inferno_twister
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  started in webthread_impl_for_worker_scheduler.cc
  blink::scheduler::WebThreadImplForWorkerScheduler::WebThreadImplForWorkerSchedul
  _ZN4base10MakeUniqueIN5blink9scheduler31WebThreadImplForWorkerSchedulerEJRPKcRNS
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=367544:367559

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5134559032377344

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.