Through code search on file simulator-arm.cc, suspected CL is 
https://chromium.googlesource.com/v8/v8/+/66ae5f7d71102b2351210f0c4220e96990330e0b
binji@, could you please take a look?
Thank you.

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

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6161386611933184

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_v8_arm_dbg
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x00000001
Crash State:
  v8::internal::Simulator::DecodeType2
  v8::internal::Simulator::InstructionDecode
  v8::internal::Simulator::CallInternal
  
Sanitizer: address (ASAN)

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

Minimized Testcase (0.38 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94eW5axD11PCT4GRI2Ud1_VKq_Cn_kbSerrKdXplL0dkVsqXAHhnD15tkosRmFnv0W4_kCsmzB_fPtReUMDJFMi4UjnL0DGP327p6orzNCkvJmi-rroCcOlbzHtZahHhA5Sj12-fowKsjyFesOZNnS6TYiuYNlCNC2FyXxS35h8trVV1OSGxAz-GW1yyu2g7WYrQXJmmDElMB3nyQ8I8m2DG7_t47GLJrjpx4fgcrC_udbkbA3QDKwc0SI1i8XnCuimdeTrhq4EUe4M1oAjjyGaYevsLl8JEYz4TVYWfRloDiHB-zehlGT31NQTLrTX_7oftcoPQAo0BhDJPn-_1CCgVln1ivK6U89lioUaSLY3Qvkn3x8?testcase_id=6161386611933184

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.

ClusterFuzz testcase 6161386611933184 is verified as fixed, so closing issue.

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