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

Again one commit in the regression range:
https://chromium.googlesource.com/v8/v8/+log/a03ac68c55980016bda6e651f71d3ec763b4dd4d..23644ddffd174e5cb930031259f6fdbb80e66faa?pretty=fuller

ClusterFuzz has detected this issue as fixed in range 46880:46881.

Detailed report: https://clusterfuzz.com/testcase?key=5518580170096640

Fuzzer: inferno_js_fuzzer_c
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  object->map()->IsMap() in heap.cc
  v8::internal::VerifyPointersVisitor::VerifyPointers
  IterateExpressions
  
Sanitizer: address (ASAN)

Regressed: V8: 40030:40031
Fixed: V8: 46880:46881

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5518580170096640


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.

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