Regression range points to f9367847b0e97e7238b4bfefbec79c8fbbc11056.

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

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

Fix has landed in https://codereview.chromium.org/2655013002 - will wait for CF to verify.

[Bulk edit]

A friendly reminder that M57 Beta launch is coming soon on February 2nd (in a week)! Your bug is labelled as Beta ReleaseBlock, pls make sure to land the fix and get it merged into the release branch (2987) ASAP so it gets enough baking time in Dev (before Beta promotion). Thank you!

ClusterFuzz has detected this issue as fixed in range 42656:42657.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6081904081371136

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_v8_arm_dbg
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0xffffffff
Crash State:
  v8::internal::Simulator::DecodeType2
  v8::internal::Simulator::InstructionDecode
  v8::internal::Simulator::CallInternal
  
Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: V8: 42630:42632
Fixed: V8: 42656:42657

Minimized Testcase (0.39 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94SzSy3Lc4AH5azsL6_fSHEDTgTEjuHkzTMBoMfMI15IZkTIdoBO27PyFK4eEaYbdw8CTE5niSPWxFOZae662eaQvDScnH4ywX1cJiyIFlRF4pX9DezlyjHPyBpKPjrUFtxh0NuZ-wXE0spKKREDMOPg74_pYz6eDvZsMdtHQ4enAIHTlBeH6LGg6CG5wt5RhbjQBoy_wKDXyr-IrCx9OFXhBcG2EA8F6dY6yYmWO9W1hwZb_ahiOHHyFjx9NAJZTdpziRTbBOSW8fMJtKsbRJvY-36FVsVzciOPaWHkcedfba-NFVExuY0fBzAN7Wuum0Vrk6LiG6QhCntyr7BAy5BWjOwrEK7AjjE6tzJpjbqRf9Glms?testcase_id=6081904081371136

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