Predator did not provide any possible suspects.
Assigning to the concern owner from CL --
https://chromium.googlesource.com/chromium/src/+log/1942e80bb847dacadbc3b36463db5cb2098e987a..5bd0cd64767258a6294c1be9d4e5e9d883bc8cb9?pretty=fuller

Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/45ec95118f8fed84dde10e7044f17580fa3ddc06

@toyoshim -- 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 480012:480025.

Detailed report: https://clusterfuzz.com/testcase?key=4753784411783168

Fuzzer: ifratric_acrojs
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x00000018
Crash State:
  blink::HTMLImportsController::ShouldBlockScriptExecution
  blink::Document::ExecuteScriptsWaitingForResources
  base::internal::Invoker<base::internal::BindState<void
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=479317:479340
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=480012:480025

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4753784411783168


Additional requirements: Requires Gestures

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.