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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Jul 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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node_types_.find(node) == node_types_.end() in asm-typer.cc

Project Member Reported by ClusterFuzz, Jul 25 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5873697646968832

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_v8_arm_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  node_types_.find(node) == node_types_.end() in asm-typer.cc
  
Regressed: V8: r37728:37729

Minimized Testcase (0.54 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv957b00ua5fVmDXul7UnBJcVb7gwzMhFTk7Oh7RwsIpXdUrqYHjbLWJ0L_tt0zfLODpjg5bb5ywCuaTajBuYBmdlezORrHk0zuPIVb8VCqs7hwL_nPOjg4Yx_aNe5FsZrkYGLuEud5KfFLYkvZhTZWHlXnsi4w?testcase_id=5873697646968832
  function __f_22() {
  }
function __f_109(stdlib, __v_36, buffer) {
  "use asm";
  var __v_34 = new stdlib.Int32Array(buffer);
  function __f_22() {__v_34[__v_34 >> 2]|0 + 1 | 0;
  }
}
  var __v_23 = [ [], [Uint8Array, 'Uint8Array', '>> 0'], [][ '>> 1'], [][ '>> 2']];
  for (var __v_31 = 0; __v_31 < __v_23.length; __v_31++) {
    var __v_5 = __f_109.toString();
    __v_5 = __v_5.replace('Int32Array', __v_23[__v_31][1]);
    __v_5 = __v_5.replace(/>> 2/g, __v_23[__v_31][2]);
    var module = Wasm.instantiateModuleFromAsm(__v_5);
  }
( {
})();
( {
})();


Filer: ishell

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 

Comment 1 by ishell@chromium.org, Jul 25 2016

Cc: bradnelson@chromium.org
Owner: jpp@chromium.org
Status: Assigned (was: Untriaged)
CF points to this CL: aa91225289beaaf0c6f47bf2031250019db327bf
Project Member

Comment 2 by ClusterFuzz, Jul 27 2016

ClusterFuzz has detected this issue as fixed in range 38052:38053.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5873697646968832

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_v8_arm_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  node_types_.find(node) == node_types_.end() in asm-typer.cc
  
Regressed: V8: r37728:37729
Fixed: V8: r38052:38053

Minimized Testcase (0.54 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv957b00ua5fVmDXul7UnBJcVb7gwzMhFTk7Oh7RwsIpXdUrqYHjbLWJ0L_tt0zfLODpjg5bb5ywCuaTajBuYBmdlezORrHk0zuPIVb8VCqs7hwL_nPOjg4Yx_aNe5FsZrkYGLuEud5KfFLYkvZhTZWHlXnsi4w?testcase_id=5873697646968832
  function __f_22() {
  }
function __f_109(stdlib, __v_36, buffer) {
  "use asm";
  var __v_34 = new stdlib.Int32Array(buffer);
  function __f_22() {__v_34[__v_34 >> 2]|0 + 1 | 0;
  }
}
  var __v_23 = [ [], [Uint8Array, 'Uint8Array', '>> 0'], [][ '>> 1'], [][ '>> 2']];
  for (var __v_31 = 0; __v_31 < __v_23.length; __v_31++) {
    var __v_5 = __f_109.toString();
    __v_5 = __v_5.replace('Int32Array', __v_23[__v_31][1]);
    __v_5 = __v_5.replace(/>> 2/g, __v_23[__v_31][2]);
    var module = Wasm.instantiateModuleFromAsm(__v_5);
  }
( {
})();
( {
})();


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 3 by ClusterFuzz, Jul 27 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.
Project Member

Comment 4 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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