Assigning to the concern owner from find it results,
Suspected CLs	The result is a list of CLs that change the crashed files.

Author: ymalik
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/322db3d6f1f9eb4b9cd6a0054999718c24b1f076
Time: Fri Nov 11 23:19:53 2016
File FrameView.cpp is changed in this cl (and is part of stack frame #2, "blink::FrameView::ScrollbarManager::destroyScrollbar"; frame #3, "detachScrollbars"; frame #4, "blink::FrameView::dispose")
Minimum distance from crash line to modified line: 6. (file: FrameView.cpp, crashed on: 436, modified: 442).

Suspected Project: chromium

@ymalik -- Could you please look into the issue, kindly re-assign if not related to your changes.
Thank You.

ClusterFuzz has detected this issue as fixed in range 431813:431838.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6646793560653824

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000020
Crash State:
  blink::FrameView::ScrollbarManager::destroyScrollbar
  blink::FrameView::dispose
  blink::Document::shutdown
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=431655:431691
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=431813:431838

Minimized Testcase (0.52 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96qL-Sh8poDeg1ohPV8k7Bn4iftB4bk6mWPaiv-zbOQWvM1RG-jZgJr7mIWgsS9uFGlYeX7_S_6s_14sXvMW1fpy64lyRENSxgTf30qtbWmBxyusJQG4XpsAyjILC5ww_LpVhbkBwiEa6_fnBTsRCNagz5ASw?testcase_id=6646793560653824
  <style>
   ::-webkit-scrollbar {
      width: 0px;
    }
    body, html {
      height: 100%;
    }
    body {
    }
    iframe {
      width: 100vw;
      height: 100vh;
      left: -50px;
      top: -50px;
      position: absolute;
      border: 0;
    }
    .clipBox {
        position: absolute;
        left: 50px;
        top: 50px;
  </style>
  <script>
  window.addEventListener('load', function() {
      document.rootScroller = document.getElementById('child');
  });
</script>
 <div class="clipBox">
   <iframe id="child">


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.

ClusterFuzz testcase is verified as fixed, closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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