ulan@, I see that you did some work around the crashing lines (https://codereview.chromium.org/148293020). Could you please take a look or help to find an owner?

That code is merge of arm64 branch and is very old.

Assigning to clusterfuzz sheriff for triaging.

ClusterFuzz has detected this issue as fixed in range 40662:40663.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4960169379495936

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_v8_arm64_dbg
Platform Id: linux

Crash Type: Heap-buffer-overflow WRITE 8
Crash Address: 0x7f868e2517f8
Crash State:
  MemoryWrite<unsigned
  v8::internal::Simulator::LoadStoreHelper
  v8::internal::Simulator::ExecuteInstruction
  
Recommended Security Severity: High

Regressed: V8: r35689:35690
Fixed: V8: r40662:40663

Minimized Testcase (8.59 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94FVZjQeC_0e0NApaNAw1GOmr5AOawlFP-b8gbLd7gvurpX4f5hRk7F_pxgsOfcqO8ppFLeRGw62ArURodnkFBZ6S8OY3beW2tkiuypBMfu7R2qvvLlPw8It2GH2eUxxMEUrxw96LdYenjZrAxEF8qNlvxqtQ?testcase_id=4960169379495936

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