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Issue metadata

Status: Duplicate
Merged: issue 857139
Owner:
Closed: Jun 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: ----
Type: Bug-Security



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Heap-use-after-free in GetLayoutObject

Project Member Reported by ClusterFuzz, Jun 27 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6679217111302144

Fuzzer: marty_html_twiddler
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x60f000016b28
Crash State:
  GetLayoutObject
  Preserves3D
  blink::PaintLayer::Update3DTransformedDescendantStatus
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=570443:570455

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6679217111302144

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jun 27 2018

Components: Blink>Paint
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Jun 27 2018

Labels: Test-Predator-Auto-Owner
Owner: chrishtr@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/88151691ad1b7388b29400a8ecf84ecc82fefcd1 (Only allocate a PaintLayerStackingNode if actually needed.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Mergedinto: 857139
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Jun 29 2018

ClusterFuzz has detected this issue as fixed in range 571302:571304.

Detailed report: https://clusterfuzz.com/testcase?key=6679217111302144

Fuzzer: marty_html_twiddler
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x60f000016b28
Crash State:
  GetLayoutObject
  Preserves3D
  blink::PaintLayer::Update3DTransformedDescendantStatus
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=570443:570455
Fixed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=571302:571304

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6679217111302144

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 5 by sheriffbot@chromium.org, Oct 6

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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