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Issue 645950 link

Starred by 1 user
Status: Fixed
Owner:
wangxianzhu@chromium.org
Closed: Sep 2016
Cc:
vmp...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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Crash in blink::FrameView::trackedObjectPaintInvalidationsAsJSON

Project Member Reported by ClusterFuzz, Sep 12 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5609993913237504

Fuzzer: ochang_domfuzzer
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  blink::FrameView::trackedObjectPaintInvalidationsAsJSON
  blink::LocalFrame::layerTreeAsText
  blink::Internals::layerTreeAsText
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=404631:404810

Minimized Testcase (0.28 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv94a5GmXzCD6TL_bIVinFZZdxovED2h39I_xDzKWTsQh42Zm-XcNbB94Vywbdvxh436ht7F_jgeUAYmaqyaH9bOP-G3mleHXKjwrucpbRyQh0zWVLB55u_Hi_t8fZazn_CMbQp1XYI734OcYbqu9qEckHJr0Sw?testcase_id=5609993913237504
<script src="resources/text-based-repaint.js"></script>
    <script>
       function repaintTest()
       {
           document.getElementById('d3').innerHTML = "<iframe></iframe><element id='element'/>";
       }
    </script>
<body onload="runRepaintAndPixelTest();">
<table>
<td id="d3">


Issue manually filed by: tkonchada

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

Comment 1 by tkonch...@chromium.org, Sep 12 2016

Components: Blink>Paint>Invalidation
Labels: Findit-for-crash M-55 Te-Logged
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
Suspected CLs	The result is a list of CLs that change the crashed files.

Author: Xianzhu Wang
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/117cd947b02a5af42d8483661510afa5fd6d38e6
Time: Mon Jul 11 22:52:19 2016
Lines 783 of file LocalFrame.cpp which potentially caused crash are changed in this cl (frame #4, "blink::LocalFrame::layerTreeAsText").

File FrameView.cpp is changed in this cl (and is part of stack frame #3, "blink::FrameView::trackedObjectPaintInvalidationsAsJSON")
Minimum distance from crash line to modified line: 0. (file: LocalFrame.cpp, crashed on: 783, modified: 783).

Suspected Project: chromium

Please reassign if this is not related to your change

Comment 2 by wangxianzhu@chromium.org, Sep 12 2016

Labels: -Pri-1 -M-55 Pri-3
This occurs for bad-written layout tests only.

Comment 4 by wangxianzhu@chromium.org, Sep 13 2016

Status: Fixed (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Sep 13 2016 

ClusterFuzz has detected this issue as fixed in range 418137:418172.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5609993913237504

Fuzzer: ochang_domfuzzer
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  blink::FrameView::trackedObjectPaintInvalidationsAsJSON
  blink::LocalFrame::layerTreeAsText
  blink::Internals::layerTreeAsText
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=404631:404810
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=418137:418172

Minimized Testcase (0.28 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv94a5GmXzCD6TL_bIVinFZZdxovED2h39I_xDzKWTsQh42Zm-XcNbB94Vywbdvxh436ht7F_jgeUAYmaqyaH9bOP-G3mleHXKjwrucpbRyQh0zWVLB55u_Hi_t8fZazn_CMbQp1XYI734OcYbqu9qEckHJr0Sw?testcase_id=5609993913237504
<script src="resources/text-based-repaint.js"></script>
    <script>
       function repaintTest()
       {
           document.getElementById('d3').innerHTML = "<iframe></iframe><element id='element'/>";
       }
    </script>
<body onload="runRepaintAndPixelTest();">
<table>
<td id="d3">


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 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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