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Issue 775459 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Not working on Chrome any more
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Null-dereference READ in blink::StyleEngine::EnsureUAStyleForFullscreen

Project Member Reported by ClusterFuzz, Oct 17 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5346523792801792

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x0000000000b0
Crash State:
  blink::StyleEngine::EnsureUAStyleForFullscreen
  blink::Element::SetContainsFullScreenElementOnAncestorsCrossingFrameBoundaries
  blink::Element::InsertedInto
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=495832:495833

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5346523792801792

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 17 2017

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

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

Comment 2 by shend@chromium.org, Oct 17 2017

Owner: meade@chromium.org
Status: Assigned (was: Untriaged)
Assigning to style TL as per triage process.

Comment 3 by shend@chromium.org, Oct 17 2017

Components: -Blink>DOM
The crash happens in StyleEngine which is Blink>CSS, but it could be something further up the call stack. Removing the Blink>DOM for now.

Comment 4 by shend@chromium.org, Oct 17 2017

Labels: Update-Weekly
Project Member

Comment 5 by ClusterFuzz, Oct 21 2017

Labels: OS-Linux
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Project Member

Comment 7 by ClusterFuzz, Nov 18 2017

ClusterFuzz has detected this issue as fixed in range 514498:517702.

Detailed report: https://clusterfuzz.com/testcase?key=5346523792801792

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x0000000000b0
Crash State:
  blink::StyleEngine::EnsureUAStyleForFullscreen
  blink::Element::SetContainsFullScreenElementOnAncestorsCrossingFrameBoundaries
  blink::Element::InsertedInto
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=495832:495833
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=514498:517702

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5346523792801792

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 8 by ClusterFuzz, Nov 19 2017

ClusterFuzz has detected this issue as fixed in range 514498:517702.

Detailed report: https://clusterfuzz.com/testcase?key=5346523792801792

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x0000000000b0
Crash State:
  blink::StyleEngine::EnsureUAStyleForFullscreen
  blink::Element::SetContainsFullScreenElementOnAncestorsCrossingFrameBoundaries
  blink::Element::InsertedInto
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=495832:495833
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=514498:517702

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5346523792801792

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 9 by ClusterFuzz, Nov 19 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5346523792801792 is verified as fixed, so closing issue as verified.

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

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