Test Predator has given the following results:

Remove non-target version of copyVideoTextureToPlatformTexture by jiajia.qin@intel.com
Changed files HTMLVideoElement.cpp, HTMLVideoElement.h, with the same CrashedDirectory(third_party/WebKit/Source/core/html) as HTMLDetailsElement.cpp (in frame#2), HTMLSummaryElement.cpp (in frame#3)
Changed files HTMLVideoElement.cpp, HTMLVideoElement.h, with the same CrashedComponent(Blink>HTML) as DetailsMarkerControl.cpp (in frame#4), HTMLDetailsElement.cpp (in frame#2), HTMLSummaryElement.cpp (in frame#3)

Assigning this issue to @zmo as author for this commit is from Intel.

@zmo  -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.

Thank You.

The automated analysis must be wrong. This Clusterfuzz test case uses a bunch of invalid HTML involving Shadow DOM and SVG filter effects; it doesn't use video. Unassigning Mo and adding a couple of probably-related components.

Automatically applying components based on information from OWNERS files. If this seems incorrect, please apply the Test-Predator-Wrong-Components label.

Confirmed it crashes in content_shell Debug without Asan or any gesture. But it's all shadow DOM stack.

Predator and CL could not provide any possible suspects.
Using the code search for the file, “Element.h” assigning to concern owner from GIT blame.
Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/bc7fac71c125e9c34e2079222816291bbbb10712
@hayato -- Could you please look into this issue as tkent@ is OOO, kindly reassign if it has nothing to do with this changes.

Thank You.

ClusterFuzz has detected this issue as fixed in range 510178:510268.

Detailed report: https://clusterfuzz.com/testcase?key=5454883787636736

Fuzzer: inferno_twister
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !node || IsElementOfType<const T>(*node) in Element.h
  blink::HTMLDetailsElement::FindMainSummary
  blink::HTMLSummaryElement::IsMainSummary
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=471126:471172
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=510178:510268

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5454883787636736

Additional requirements: Requires Gestures

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.