Caused by activating async/await.

ClusterFuzz has detected this issue as fixed in range 36378:36379.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5466912204521472

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x7f16f5c6c101
Crash State:
  v8::internal::Invoke
  v8::internal::Execution::Call
  v8::internal::Execution::TryCall
  
Recommended Security Severity: Medium

Regressed: V8: r36361:36362
Fixed: V8: r36378:36379

Minimized Testcase (3.33 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97fgu6nLiLqSVy0-3WD-XYly_qDE9xDSj03QvW7rFvY0d6cIhQ-vVUO9lCxwbjX0s1TjUWmFZRjRuevfoyrjjzfGoyN7e99aXdpxOBUNxS0H3KDj-CLGH8Y4rVx5Wpdh4-u3Urh3MLdMwu9zF1ZOP82VFzXRg

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.

Revert https://chromium.googlesource.com/v8/v8/+/eb059498b2b2d05731b0dce648bdab801d3873fd fixed all six variants. Please make sure that these testcases are fixed before bringing this functionality back.
https://cluster-fuzz.appspot.com/testcase?key=5117002695311360
https://cluster-fuzz.appspot.com/testcase?key=5466912204521472
https://cluster-fuzz.appspot.com/testcase?key=5635481819152384
https://cluster-fuzz.appspot.com/testcase?key=5905257908928512
https://cluster-fuzz.appspot.com/testcase?key=6368210756042752
https://cluster-fuzz.appspot.com/testcase?key=6516295994703872

Adding Merge-Triage label for tracking purposes.

Once your fix had sufficient bake time (on canary, dev as appropriate), please nominate your fix for merge by adding the Merge-Request-XX label, where XX is the Chrome milestone.

When your merge is approved by the release manager, please start merging with higher milestone label first. Make sure to re-request merge for every milestone in the label list. You can get branch information on omahaproxy.appspot.com.

- Your friendly ClusterFuzz

@hablich, not sure if there's any remaining work here, could you please advice if a merge is required or if we can just close this out?

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

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

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