CF points to 015edc60ff86b51a4bbf9ce11732ee5bb36245b2. PTAL

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 46076:46077.

Detailed report: https://clusterfuzz.com/testcase?key=5157932781273088

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_v8_mipsel_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  size_ <= capacity_ in identity-map.cc
  v8::internal::IdentityMapBase::LookupOrInsert
  v8::internal::IdentityMapBase::GetEntry
  
Sanitizer: address (ASAN)

Regressed: V8: 45974:45975
Fixed: V8: 46076:46077

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5157932781273088


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.

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