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Issue metadata

Status: Duplicate
Merged: issue 748718
Owner:
Closed: Jul 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Security



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Heap-use-after-free in blink::LayoutSelection::ClearSelection

Project Member Reported by ClusterFuzz, Jul 27 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4705503602278400

Fuzzer: ochang_domfuzzer
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x1b62ed24
Crash State:
  blink::LayoutSelection::ClearSelection
  blink::LayoutObjectChildList::RemoveChildNode
  blink::LayoutObject::RemoveChild
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=489261:489272

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4705503602278400


Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 

Comment 1 by vakh@chromium.org, Jul 27 2017

Cc: drott@chromium.org
Components: Blink>Layout
Owner: yoichio@chromium.org
Status: Assigned (was: Untriaged)
Likely caused by https://chromium-review.googlesource.com/582673 or https://chromium-review.googlesource.com/565238
Project Member

Comment 2 by sheriffbot@chromium.org, Jul 27 2017

Labels: M-61
Project Member

Comment 3 by sheriffbot@chromium.org, Jul 27 2017

Labels: ReleaseBlock-Stable
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

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

Comment 4 by sheriffbot@chromium.org, Jul 27 2017

Labels: Pri-1
Mergedinto: 748718
Status: Duplicate (was: Assigned)
Project Member

Comment 6 by ClusterFuzz, Aug 9 2017

ClusterFuzz has detected this issue as fixed in range 492573:492590.

Detailed report: https://clusterfuzz.com/testcase?key=4705503602278400

Fuzzer: ochang_domfuzzer
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x1b62ed24
Crash State:
  blink::LayoutSelection::ClearSelection
  blink::LayoutObjectChildList::RemoveChildNode
  blink::LayoutObject::RemoveChild
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=489261:489272
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=492573:492590

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4705503602278400


See https://github.com/google/clusterfuzz-tools 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 7 by sheriffbot@chromium.org, Nov 17 2017

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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