Find it and CL did not provide any possible suspect.
Using Code Search for the file, "CurrentTime.h" assigning to the concern owner --
Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/57f212f9329a3ceec41e466a31b4b83508041e2b

@majidvp -- 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 440242:440280.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5911260303720448

Fuzzer: inferno_webbot
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::Document::lastModified
  lastModifiedAttributeGetter
  blink::DocumentV8Internal::lastModifiedAttributeGetterCallback
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=440242:440280

Minimized Testcase (0.07 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv94xDwKSqz_ryTD_IKWe5sg4DJU6dOnPfTRCNWQaU_d6x_nuOqOK0QPJdcx8aQfKhuq9RSkAmYqiIMU35dwQ5i1viowsm7spSdVsBhuTRRHo4hb67x-BtfZjUErWS6W1vFcD0ZR_05FG6cpu-x2MR8mBtu64qQ?testcase_id=5911260303720448
<script>
window.location = "http://collectionkaraoke.com";</script>


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 5911260303720448 is verified as fixed, so closing issue.

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