The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/f82b33781d391156792d30ddbdbf81508a13a0d2

commit f82b33781d391156792d30ddbdbf81508a13a0d2
Author: titzer <titzer@chromium.org>
Date: Wed May 04 08:52:14 2016

[wasm] Fix for 608630: allow proxies as FFI.

R=ahaas@chromium.org,bradnelson@chromium.org
BUG= chromium:608630 
LOG=Y

Review-Url: https://codereview.chromium.org/1943313002
Cr-Commit-Position: refs/heads/master@{#36008}

[modify] https://crrev.com/f82b33781d391156792d30ddbdbf81508a13a0d2/src/wasm/wasm-js.cc
[modify] https://crrev.com/f82b33781d391156792d30ddbdbf81508a13a0d2/src/wasm/wasm-module.cc
[modify] https://crrev.com/f82b33781d391156792d30ddbdbf81508a13a0d2/src/wasm/wasm-module.h
[add] https://crrev.com/f82b33781d391156792d30ddbdbf81508a13a0d2/test/mjsunit/regress/regress-608630.js

ClusterFuzz has detected this issue as fixed in range 36007:36008.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5214085959909376

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !v8::internal::FLAG_enable_slow_asserts || (object->IsJSObject()) in src/objects
  
Regressed: V8: r34586:34587
Fixed: V8: r36007:36008

Minimized Testcase (24.23 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95tZ6ZoG8t-vBv7M16QEIojCfF6uNrcqZHTYYCd7baLiROxLv21c0jGu0G7vomt-659I8JRrOOpUTJ2EM7zoXUV6XyscTPCzRcBpJQdzde-H7mRfcyjo-w_TBM-PfxTLJqV1bEz0xwKWhb_Jjj7snpNJCkPvimuUywKlzWN8R7dU0stOeU

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.

CF is still complaining about this issue. Could you please take a look?

https://cluster-fuzz.appspot.com/testcase?key=5789061444272128

Thank you!

ClusterFuzz testcase is verified as fixed, closing issue.

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