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

Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/f609e92a2ac7f44160901945b55337fcbf5e17a5

@tbansal -- 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 499064:499109.

Detailed report: https://clusterfuzz.com/testcase?key=5650355487768576

Fuzzer: inferno_twister
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x0000000b
Crash State:
  WTF::StringHash::GetHash
  blink::NetworkInformation::GetRandomMultiplier
  blink::NetworkInformation::RoundMbps
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=496069:496126
Fixed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=499064:499109

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5650355487768576

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 5650355487768576 is verified as fixed, so closing issue as verified.

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