Through code search on file wasm-code.cc, suspected CL is
https://chromium.googlesource.com/v8/v8/+/1521fe9c3c88128cea5188b28068736a87838f1c%5E%21/test/fuzzer/wasm-code.cc
ahaas@, could you please take a look and please help us to find correct owner if it is not related your changes.

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/19522d8e0fbfb33d36fc1b5b6942916adb48a472

commit 19522d8e0fbfb33d36fc1b5b6942916adb48a472
Author: ahaas <ahaas@chromium.org>
Date: Wed Sep 14 08:26:26 2016

[wasm] Pass the same parameters to the interpreter and the compiled module in the fuzzer.

BUG= chromium:646564 

R=titzer@chromium.org

Review-Url: https://codereview.chromium.org/2336363003
Cr-Commit-Position: refs/heads/master@{#39405}

[modify] https://crrev.com/19522d8e0fbfb33d36fc1b5b6942916adb48a472/test/fuzzer/wasm-code.cc

 Issue 647056  has been merged into this issue.

ClusterFuzz has detected this issue as fixed in range 418541:418618.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4803746628632576

Fuzzer: libfuzzer_v8_wasm_code_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  Disposing the isolate that is entered by a thread in wasm-code.cc
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=418007:418113
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=418541:418618

Minimized Testcase (0.00 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94bceI5BS1wBIp4o1vyUrrYciMwUd0TUlayrQa4GePFGNXXuTZhraclx42e-gdKjUnUqGc6TY1g3wt0kQs7ZmO3uEoQTmCuoMZABNtXCOCTOn7wlviigtV20L2Kx10E2CR4NKmzR53CucfAvIBXQesjtE-Ayw?testcase_id=4803746628632576

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.

ClusterFuzz testcase is verified as fixed, closing issue.

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