Suspected CL
https://chromium.googlesource.com/chromium/src/+/9cee878cc63613dcd82f06850e5ab368b0bf8e57
yosin@, could you please take a look and help us to find right owner?.

Lowe to Pri-2, since real world usage of "InsertHorizontalRule" is low (<0.003%)

Bulk set to Pri-3 for cluster fuzz bugs.
Since these issues are happens with unusual HTML.

ClusterFuzz has detected this issue as fixed in range 474922:474938.

Detailed report: https://clusterfuzz.com/testcase?key=6431516164096000

Fuzzer: ifratric-browserfuzzer-v3
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  blink::Node::IsDescendantOf
  blink::DeleteSelectionCommand::RemovePreviouslySelectedEmptyTableRows
  blink::DeleteSelectionCommand::DoApply
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=438498:440663
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=474922:474938

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6431516164096000


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 6431516164096000 is verified as fixed, so closing issue.

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