Predator and CL did not find any possible suspects.
Using Code Search for the file, "net::URLRequestContext::CreateRequest" assigning to the concern owner.
Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/c4da1de6f90c7149e7b2e6db4ee66a84b355988a

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

This is not mine. Leaving this Untriaged for network stack triagers.

ClusterFuzz has detected this issue as fixed in range 463355:463410.

Detailed report: https://clusterfuzz.com/testcase?key=6447408306454528

Fuzzer: bj_broddelwerk
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN
Crash Address: 0x000000000040
Crash State:
  net::URLRequestContext::CreateRequest
  content::ResourceDispatcherHostImpl::ContinuePendingBeginRequest
  content::ResourceDispatcherHostImpl::BeginRequest
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=454177:454196
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mp&range=463355:463410

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv979NzpNPbzJ9eC2Eq104tKDbBNuzrVd5B67UVP5K5AsqIXBlljOqFBY9boC0IggwEzIjVzgp3X_yQzoIBQ7ibnB_4i9rHAERAhFpg0fFaq_lLZxM5JRV3y10oshl1hAohJzFW1QMaeYQGURovLZHgln06F1xQgc-X0fiY73zajZUNADXvi7t1EulErBScai7QsopHiYsCiqbI8lKGx46LRF8I-Jr56PUOeUia1GSFa99Rqo4JwJPEi6853vIuEZm9y4CKdeDx5LnD85zhNO0fqYF4TJQ1Z5_sJZCx9IqEET9DQLAImAdIIz47rP67lufNTdhvbhVl9KqJWE0UtBNO73-vjLD-CGywOZjxlN0JMMJUW38qo?testcase_id=6447408306454528


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.