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Issue metadata

Status: Fixed
Merged: issue 599413
Owner:
Last visit > 30 days ago
Closed: Jun 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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(left_index == right_index) || (ignore_sign && (left_index <= 1) && (right_index

Project Member Reported by ClusterFuzz, Jun 9 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5147410468962304

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  (left_index == right_index) || (ignore_sign && (left_index <= 1) && (right_index
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_d8_dbg&range=34586:34587

Minimized Testcase (0.26 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95K7G_1MOaWz-trIKxCRDPqd5JXa8jwTt_8AYsxIJF5IU4AlXZ1tbhw4WBOmAYJnbNuAxbcc5c45L-SrPd_djOfmSX339Z2w99EhQAWCsauimI84q-BpzqwRGDVMo4BSmD1Ubu24XehSxJYXI6DHbTZ4e7suA
  function __f_1(){
    'use asm';
    function __f_3() {
      var __v_11 = 1, __v_10 = 0, __v_12 = 0;
        __v_12 = (__v_10 | 12) % 4294967295 | -1073741824;
    }
    return { __f_3: __f_3 };
  }
  var __v_35 = Wasm.instantiateModuleFromAsm(__f_1.toString());


Filer: mstarzinger

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: bradnelson@chromium.org
Owner: titzer@chromium.org
Status: Assigned (was: Available)
Cc: rossberg@chromium.org
Mergedinto: 599413
Status: Duplicate (was: Assigned)
Components: -Blink>JavaScript Blink>JavaScript>WebAssembly
Labels: BlocksAsmWasmLaunch
Owner: bradnelson@chromium.org
Status: Assigned (was: Duplicate)
Different root cause on this one.

Cc: aseemgarg@chromium.org
Status: Started (was: Assigned)
Sending out fix in:
https://codereview.chromium.org/2107683002/

Status: Fixed (was: Started)
Fixed in:
https://crrev.com/c5856779ebfa3d2a3772035a0414b1575db76be1
Project Member

Comment 8 by ClusterFuzz, Jun 29 2016

ClusterFuzz has detected this issue as fixed in range 37347:37351.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5147410468962304

Fuzzer: mbarbella_js_mutation
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  (left_index == right_index) || (ignore_sign && (left_index <= 1) && (right_index
  
Regressed: V8: r34586:34587
Fixed: V8: r37347:37351

Minimized Testcase (0.26 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95K7G_1MOaWz-trIKxCRDPqd5JXa8jwTt_8AYsxIJF5IU4AlXZ1tbhw4WBOmAYJnbNuAxbcc5c45L-SrPd_djOfmSX339Z2w99EhQAWCsauimI84q-BpzqwRGDVMo4BSmD1Ubu24XehSxJYXI6DHbTZ4e7suA?testcase_id=5147410468962304
  function __f_1(){
    'use asm';
    function __f_3() {
      var __v_11 = 1, __v_10 = 0, __v_12 = 0;
        __v_12 = (__v_10 | 12) % 4294967295 | -1073741824;
    }
    return { __f_3: __f_3 };
  }
  var __v_35 = Wasm.instantiateModuleFromAsm(__f_1.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 9 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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