Testcase 6262072039178240 is a top crash on ClusterFuzz for linux platform. Please prioritize fixing this crash.

Marking this crash as a Beta release blocker.

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

Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/2b9a6d8908877a45f5a46eff0382b20d133acc22 ([snapshot] Add BuiltinDeserializerAllocator).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.

M63 beta promotion is coming VERY soon. Your bug is labelled as Beta ReleaseBlock, pls make sure to land the fix and get it merged into the release branch ASAP. Thank you.


+awhalley@ (Security TPM).

The regression range is in M64, moving to that milestone.

This has been caught by bots as well, e.g. here: https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20-%20cfi/builds/11901

The CL has since been reverted so it's safe to close this.

ClusterFuzz has detected this issue as fixed in range 48640:48641.

Detailed report: https://clusterfuzz.com/testcase?key=6262072039178240

Fuzzer: decoder_langfuzz
Job Type: linux_cfi_d8
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x7f57ffb31580
Crash State:
  Bad-cast to v8::internal::BuiltinDeserializer from v8::internal::Deserializer<v8::internal::BuiltinDeserializerAllocator>
  
Sanitizer: cfi (CFI)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_d8&range=48637:48638
Fixed: https://clusterfuzz.com/revisions?job=linux_cfi_d8&range=48640:48641

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6262072039178240

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