Unable to find the possible suspect using Predator, CL and Code Search.
Could some one please look into the issue.

Thank You.

ClusterFuzz has detected this issue as fixed in range 502241:502256.

Detailed report: https://clusterfuzz.com/testcase?key=5166037741076480

Fuzzer: inferno_twister
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !frame_ || frame_->Tree().ChildCount() == 0 in Document.cpp
  blink::Document::Shutdown
  blink::XSLTProcessor::CreateDocumentFromSource
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=443258:443393
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=502241:502256

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5166037741076480

See https://github.com/google/clusterfuzz-tools 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 5166037741076480 is verified as fixed, so closing issue as verified.

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