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Issue metadata

Status: Verified
Owner:
Closed: Jun 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug
M52



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Crash in v8::internal::wasm::WasmLinker::LinkFunction

Project Member Reported by ClusterFuzz, May 20 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6202746537771008

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::wasm::WasmLinker::LinkFunction
  v8::internal::wasm::WasmLinker::Link
  v8::internal::wasm::WasmModule::Instantiate
  
Regressed: V8: r36371:36372

Minimized Testcase (0.26 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv958aDDLvDpNtCzgvMnyKAsNriID1gthbNH4koYSQYdmgf3u9qKmTvD2Denj82xOqKkwHwfMb_gIFl1lIwysGp3Dj56pwzQXaJswzaXBJ9dSjMD3aqqQEjm-pkcEqBB_R5iliq8fcFKkJmEFCMcSlXrSUI7F9Q
function __f_0() {
}
  function __f_3(){
    'use asm';
    function __f_5() {
      __v_13 = __v_4;
      var __v_13 = 1, __v_14 = 0;
      var __v_3 = 0, __v_4 = 0
    }
    return { __f_5: __f_5 };
  }
  var __v_11 = Wasm.instantiateModuleFromAsm(__f_3.toString());


Filer: ranjitkan

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: ranjitkan@chromium.org hablich@chromium.org
Components: Tools>Test>FindIt>NoResult
Labels: -Pri-1 M52 findit-wrong Te-Logged Pri-2

Comment 2 by ishell@chromium.org, May 20 2016

Owner: titzer@chromium.org
Status: Assigned (was: Available)
Project Member

Comment 3 by ClusterFuzz, May 26 2016

ClusterFuzz has detected this issue as fixed in range 36502:36503.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6202746537771008

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::wasm::WasmLinker::LinkFunction
  v8::internal::wasm::WasmLinker::Link
  v8::internal::wasm::WasmModule::Instantiate
  
Regressed: V8: r36371:36372
Fixed: V8: r36502:36503

Minimized Testcase (0.26 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv958aDDLvDpNtCzgvMnyKAsNriID1gthbNH4koYSQYdmgf3u9qKmTvD2Denj82xOqKkwHwfMb_gIFl1lIwysGp3Dj56pwzQXaJswzaXBJ9dSjMD3aqqQEjm-pkcEqBB_R5iliq8fcFKkJmEFCMcSlXrSUI7F9Q
function __f_0() {
}
  function __f_3(){
    'use asm';
    function __f_5() {
      __v_13 = __v_4;
      var __v_13 = 1, __v_14 = 0;
      var __v_3 = 0, __v_4 = 0
    }
    return { __f_5: __f_5 };
  }
  var __v_11 = Wasm.instantiateModuleFromAsm(__f_3.toString());


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.
Project Member

Comment 4 by ClusterFuzz, Jun 14 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase is verified as fixed, closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Components: -Tools>Test>FindIt>NoResult
Project Member

Comment 6 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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