Seems fixed by r490260.

yoichio@: Could you confirm?

ClusterFuzz has detected this issue as fixed in range 490252:490289.

Detailed report: https://clusterfuzz.com/testcase?key=5506376825831424

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000011
Crash State:
  blink::Node::UpdateDistribution
  blink::ComparePositions
  blink::PositionTemplate<blink::EditingAlgorithm<blink::FlatTreeTraversal> >::ope
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=486593:486660
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=490252:490289

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5506376825831424


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 5506376825831424 is verified as fixed, so closing issue as verified.

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