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Issue 812167 link

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Issue metadata

Status: Verified
Owner:
Closed: Feb 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Heap-use-after-free in blink::LayoutObject::MaybeClearIsScrollAnchorObject

Project Member Reported by ClusterFuzz, Feb 14 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6591928792252416

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x6110000547c0
Crash State:
  blink::LayoutObject::MaybeClearIsScrollAnchorObject
  blink::RootFrameViewport::SetLayoutViewport
  blink::PaintLayerScrollableArea::Dispose
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=533693:533696

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6591928792252416

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 14 2018

Components: Blink>Internals Blink>Layout
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, Feb 14 2018

Labels: Test-Predator-Auto-Owner
Owner: szager@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/fe8c4db4003022f5cb12506a15cc78ea6633bbdf ([RootLayerScrolls] Flip RuntimeEnabledFeatures flag to experimental).

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.
Project Member

Comment 3 by ClusterFuzz, Feb 14 2018

ClusterFuzz has detected this issue as fixed in range 536328:536331.

Detailed report: https://clusterfuzz.com/testcase?key=6591928792252416

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x6110000547c0
Crash State:
  blink::LayoutObject::MaybeClearIsScrollAnchorObject
  blink::RootFrameViewport::SetLayoutViewport
  blink::PaintLayerScrollableArea::Dispose
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=533693:533696
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=536328:536331

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6591928792252416

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 4 by ClusterFuzz, Feb 14 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6591928792252416 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Project Member

Comment 5 by sheriffbot@chromium.org, Feb 14 2018

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 6 by sheriffbot@chromium.org, May 23 2018

Labels: -Restrict-View-SecurityNotify 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
Project Member

Comment 7 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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