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

ClusterFuzz has detected this issue as fixed in range 48082:48083.

Detailed report: https://clusterfuzz.com/testcase?key=5972374364356608

Fuzzer: inferno_js_fuzzer
Job Type: linux_ubsan_vptr_d8
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  Representation inference: unsupported opcode 59 (Dead), node #NUMBER in simplifi
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_d8&range=48039:48040
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_d8&range=48082:48083

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5972374364356608

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 5972374364356608 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