ClusterFuzz has detected this issue as fixed in range 622375:622381.

Detailed report: https://clusterfuzz.com/testcase?key=6198779145093120

Fuzzer: meacer_extension_apis
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  base::internal::OptionalStorageBase<gpu::Mailbox, true>::OptionalStorageBase<gpu
  mojo::StructTraits<viz::mojom::CopyOutputResultDataView, std::__1::unique_ptr<vi
  base::Optional<gpu::Mailbox> mojo::internal::CallWithContext<base::Optional<gpu:
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=622247:622264
Fixed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=622375:622381

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6198779145093120

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 6198779145093120 is verified as fixed, so closing issue as verified.

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