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

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

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

rossberg: Regression range here doesn't make sense, PTAL.

ClusterFuzz has detected this issue as fixed in range 47459:47460.

Detailed report: https://clusterfuzz.com/testcase?key=5683040256000000

Fuzzer: inferno_js_fuzzer
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  actual_unused_property_fields > map()->unused_property_fields() in objects-debug
  v8::internal::JSObject::JSObjectVerify
  v8::internal::Object::ObjectVerify
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=47383:47384
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=47459:47460

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5683040256000000

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 5683040256000000 is verified as fixed, so closing issue as verified.

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

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