This looks similar to https://bugs.chromium.org/p/chromium/issues/detail?id=642987
Please feel free to mark as duplicate if it is.

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

ClusterFuzz has detected this issue as fixed in range 416614:416622.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5011150549024768

Fuzzer: afl_v8_wasm_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 1
Crash Address: 0x606000001d40
Crash State:
  unibrow::Utf8::Validate
  v8::internal::wasm::DecodeWasmModule
  v8::internal::wasm::testing::CompileAndRunWasmModule
  
Recommended Security Severity: Medium

Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=415614:415641
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=416614:416622

Minimized Testcase (0.03 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95vOStF2WMjLkGjg6jvPi1X_OklRbBaSbVyseYVE4v3uqwyuZ4W1JwIF1RpjTxpxA9RAPTaz9nqJLI6s4WK8n4DK7kLM8qVwlF97srTOjOUM8__lO2isyXe3N3gzZPFTPE63q5NVWm8zuRQ9NziHewgZJ0fGA?testcase_id=5011150549024768

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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