Predator did not provide any possible suspects.
Assigning to the concern owner from CL --
https://chromium.googlesource.com/chromium/src/+log/f0981bb18eb28f957d59bf1662b02c04dc40bd3c..6444a99819d7fe77ee5c8f895e1e47b95698c716?pretty=fuller

Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/46740f4e99de22f90302e72ca3a91730521b5827

Assigning to concern owner from Review URL# 
https://codereview.chromium.org/2919653004

@haraken -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

ClusterFuzz has detected this issue as fixed in range 541011:541053.

Detailed report: https://clusterfuzz.com/testcase?key=5659172334206976

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: CHECK failure
Crash Address: 
Crash State:
  std::numeric_limits<unsigned>::max() - data.length() >= result_length in Text.cp
  blink::Text::wholeText
  blink::V8Text::wholeTextAttributeGetterCallback
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=476918:476985
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=541011:541053

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5659172334206976

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 5659172334206976 is verified as fixed, so closing issue as verified.

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