This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

tyoshino, yhirano, could you please take a look at this? 

ClusterFuzz has detected this issue as fixed in range 436266:436273.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6404005292146688

Fuzzer: therealholden_worker
Job Type: linux_asan_chrome_chromeos
Platform Id: linux

Crash Type: Use-after-poison READ 8
Crash Address: 0x7edafc2ee070
Crash State:
  blink::WebSocketHandleImpl::OnFailChannel
  blink::mojom::blink::WebSocketClientStubDispatch::Accept
  mojo::InterfaceEndpointClient::HandleValidatedMessage
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_chromeos&range=435933:436002
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_chromeos&range=436266:436273

Minimized Testcase (0.83 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97frEPwhHadPmSFa02ltbvgKcfaKKnGsQpVzEfI02vbz0JC43UChwYYza9bdGXojGazgJYGTQ5Ejt8iXBKJegOJvgkCGsw3xsy_OTsc8F5Ri0RPXmPMnBkCUo8oJO_mNriwa6pUU54JUpR1GoHD1JTuPtb2kQ?testcase_id=6404005292146688

Additional requirements: Requires HTTP

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 6404005292146688 is verified as fixed, so closing issue.

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

Trunk churn.

This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot