Detailed report: https://clusterfuzz.com/testcase?key=5138963721093120

Fuzzer: tokenfuzz_pdf_april16
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race WRITE 8
Crash Address: 0x55faa47ef440
Crash State:
  base::internal::Invoker<base::internal::BindState<void
  base::MessageLoopImpl::RunTask
  base::MessageLoopImpl::DoWork
  
Sanitizer: thread (TSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5138963721093120

Additional requirements: Requires Gestures

Issue filed automatically.

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

Note: This crash might not be reproducible with the provided testcase. That said, for the past 14 days we've been seeing this crash frequently. If you are unable to reproduce this, please try a speculative fix based on the crash stacktrace in the report. The fix can be verified by looking at the crash statistics in the report, a day after the fix is deployed. We will auto-close the bug if the crash is not seen for 14 days.