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Issue 716524 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
Last visit > 30 days ago
Closed: May 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Stack-overflow in blink::Element::cloneNode

Project Member Reported by ClusterFuzz, Apr 28 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5585660254879744

Fuzzer: inferno_twister
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Stack-overflow
Crash Address: 0x7fff537faff8
Crash State:
  blink::Element::cloneNode
  blink::ContainerNode::cloneChildNodes
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=437233:437235

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5585660254879744


Issue filed automatically.

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

Comment 1 by shrike@chromium.org, Apr 28 2017

Components: Blink>DOM
Owner: dominicc@chromium.org
Status: WontFix (was: Untriaged)
This is creating a deep DOM and then overflowing the stack when cloning it. For now the decision is not to limit the depth of the DOM.
Project Member

Comment 3 by ClusterFuzz, May 27 2017

ClusterFuzz has detected this issue as fixed in range 474922:474938.

Detailed report: https://clusterfuzz.com/testcase?key=5585660254879744

Fuzzer: inferno_twister
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Stack-overflow
Crash Address: 0x7fff537faff8
Crash State:
  blink::Element::cloneNode
  blink::ContainerNode::cloneChildNodes
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=437233:437235
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=474922:474938

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5585660254879744


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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