Unable to find possible suspect using find it.
Findit failed to find any stack trace. Is it in a new format?

From the regression range, assigning the issue to concern owner, please find the below CL results --
https://chromium.googlesource.com/v8/v8/+log/f31e80548c97170147e13f6c2deede34bb3dcd16..1737b2c74b50168e96ef1263def0eb43505fa80c?pretty=fuller

@bmeurer -- Could you please look into the issue, kindly re-assign if it is not related to your changes.
Thank You.

CL was reverted.

ClusterFuzz has detected this issue as fixed in range 41140:41141.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4566579938590720

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  IsPrimitiveMap() in objects-inl.h
  
Regressed: V8: r41126:41127
Fixed: V8: r41140:41141

Minimized Testcase (10.33 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94xcpS0qvzWjSV58YpGdDhDOWtASlToIYgP77cZ2kfvH4JR6g72anYDTnth2cah6m1TDc_Zbt7-HjailmnTgCAEbM1YiBvigFKBgm6ET7Sh59_1Z4_7O3FT4cUZCDE_JoE0MLZCdHgMandCJh8LCOBnNmrxjw?testcase_id=4566579938590720

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.

Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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