Predator and CL could not provide any possible suspects.
Using Code Search for the file, "NetworkInformation.cpp" assigning to concern owner.

Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/46e5295e9220f082b0c395b48ded7aea42bb12c7

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

Testcase 4519394767273984 is a top crash on ClusterFuzz for windows platform. Please prioritize fixing this crash.

Marking this crash as a stable release blocker. If this is incorrect, remove the ReleaseBlock label.

ClusterFuzz has detected this issue as fixed in range 501156:501175.

Detailed report: https://clusterfuzz.com/testcase?key=4519394767273984

Fuzzer: inferno_twister
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000008
Crash State:
  blink::NetworkInformation::GetRandomMultiplier
  blink::NetworkInformation::RoundRtt
  blink::NetworkInformation::NetworkInformation
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=494860:494916
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=501156:501175

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4519394767273984

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.