As per the  Issue 839076  owner, assigning this issue to gogerald@.
gogerald@ -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.
Thanks.

ClusterFuzz has detected this issue as fixed in range 587406:587417.

Detailed report: https://clusterfuzz.com/testcase?key=4661285908905984

Fuzzer: mojo_fuzzer
Job Type: linux_asan_chrome_mojo
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000000f0
Crash State:
  payments::PaymentRequest::Abort
  payments::mojom::PaymentRequestStubDispatch::Accept
  mojo::InterfaceEndpointClient::HandleValidatedMessage
  
Sanitizer: address (ASAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_mojo&range=587406:587417

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4661285908905984

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 4661285908905984 is verified as fixed, so closing issue as verified.

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