ClusterFuzz has detected this issue as fixed in range 476712:476733.

Detailed report: https://clusterfuzz.com/testcase?key=5381714546524160

Fuzzer: attekett_dom_fuzzer
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  result.second. Inserting a duplicate item in render_frame_impl.cc
  content::RenderFrameImpl::RenderFrameImpl
  content::RenderFrameImpl::CreateMainFrame
  
Sanitizer: thread (TSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=421629:421705
Fixed: https://clusterfuzz.com/revisions?job=linux_tsan_chrome_mp&range=476712:476733

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5381714546524160


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 5381714546524160 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.