Looks like some sort of race during the tear down of the WASM fuzzer.

ClusterFuzz has detected this issue as fixed in range 426487:426557.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5581385949773824

Fuzzer: libfuzzer_v8_wasm_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Fatal error
Crash Address: 
Crash State:
  v8::Isolate::DisposeSignalHandler
  libpthread.so.0
  v8::base::OS::Abort
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=421468:421508
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_msan&range=426487:426557

Minimized Testcase (0.08 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96LnEo3evwae_Mw0gcWHvEZ4PTLSSd9iHLnLPRMB39VU6IFodCG6Z-2CHkPU3d8c8egZfjsa30pmw_FcpCrlWuol6vdIH8krdCl-40Jsu8ozI9BwcZjD5yxoe76OR_YiXcm-VKtn-UUyyeKuFcW2dq4kgksKQ?testcase_id=5581385949773824

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.

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