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Issue 642066 link

Starred by 2 users

Issue metadata

Status: Fixed
Owner:
Email to this user bounced
Closed: Nov 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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Bad-cast to blink::HTMLInputElement from blink::HTMLUnknownElement;blink::Internals::setValueForUser;blink::InternalsV8Internal::setValueForUserMethodCallback

Project Member Reported by ClusterFuzz, Aug 29 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5454903453679616

Fuzzer: inferno_layout_test_fuzzer
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x1489d8f63278
Crash State:
  Bad-cast to blink::HTMLInputElement from blink::HTMLUnknownElement
  blink::Internals::setValueForUser
  blink::InternalsV8Internal::setValueForUserMethodCallback
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=370022:370027

Minimized Testcase (0.15 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96vEtq_XcRtowOXWQREHpXu4TzDdjNovkiuILBZdcZBBT7PDtKY2Aj1FjU3xg-Jdh4F9_cOGRcC5ejxhYQQr2h8zKs4p-ZOw_u_pO99ggOi9lwne2RGpOFmYtsdc4MSg6dgPaFev6QR_xGOQYi92-3UUq0UnA?testcase_id=5454903453679616
<script>
    function test() {
            internals.setValueForUser(tf, 'Hello!');
    }
    </script>
<body onload="test()">
        <animateMotion id="tf">


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: tkent@chromium.org
Labels: -Security_Impact-Stable Security_Impact-None
Status: WontFix (was: Untriaged)
Looks like a windows.internals api issue

Comment 2 by tkent@chromium.org, Aug 29 2016

Components: Blink>Infra
Labels: -Type-Bug-Security -Restrict-View-SecurityTeam -Security_Severity-High Pri-3 Type-Bug
Status: Available (was: WontFix)
> Looks like a windows.internals api issue

Right.

Not a production issue, but we should fix it.

Comment 4 by sigbjo...@opera.com, Nov 14 2016

Owner: sigbjo...@opera.com
Status: Fixed (was: Available)
Project Member

Comment 5 by ClusterFuzz, Nov 15 2016

ClusterFuzz has detected this issue as fixed in range 431842:431847.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5454903453679616

Fuzzer: inferno_layout_test_fuzzer
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x1489d8f63278
Crash State:
  Bad-cast to blink::HTMLInputElement from blink::HTMLUnknownElement
  blink::Internals::setValueForUser
  blink::InternalsV8Internal::setValueForUserMethodCallback
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=370022:370027
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=431842:431847

Minimized Testcase (0.15 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv96vEtq_XcRtowOXWQREHpXu4TzDdjNovkiuILBZdcZBBT7PDtKY2Aj1FjU3xg-Jdh4F9_cOGRcC5ejxhYQQr2h8zKs4p-ZOw_u_pO99ggOi9lwne2RGpOFmYtsdc4MSg6dgPaFev6QR_xGOQYi92-3UUq0UnA?testcase_id=5454903453679616
<script>
    function test() {
            internals.setValueForUser(tf, 'Hello!');
    }
    </script>
<body onload="test()">
        <animateMotion id="tf">


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.

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