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Issue 814925 link

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Issue metadata

Status: Duplicate
Merged: issue 814261
Owner: ----
Closed: Feb 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Null-dereference READ in blink::LowestCommonAncestor

Project Member Reported by ClusterFuzz, Feb 22 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5140094672175104

Fuzzer: miaubiz_svg_fuzzer
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  blink::LowestCommonAncestor
  blink::GraphicsLayer::PaintContents
  cc_blink::WebContentLayerImpl::PaintContentsToDisplayList
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=537412:537498

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5140094672175104

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 22 2018

Labels: OS-Linux
Project Member

Comment 2 by ClusterFuzz, Feb 22 2018

Components: Blink>Compositing 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.
Cc: schenney@chromium.org brajkumar@chromium.org
Labels: M-66 Needs-Feedback
schenney@ Could you please confirm is this issue is duplicate of  bug 814261 ? Observing similar log under revision regression range.

Thanks!
Mergedinto: 814261
Status: Duplicate (was: Untriaged)
Project Member

Comment 5 by ClusterFuzz, Feb 27 2018

ClusterFuzz has detected this issue as fixed in range 539396:539401.

Detailed report: https://clusterfuzz.com/testcase?key=5140094672175104

Fuzzer: miaubiz_svg_fuzzer
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  blink::LowestCommonAncestor
  blink::GraphicsLayer::PaintContents
  cc_blink::WebContentLayerImpl::PaintContentsToDisplayList
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=537412:537498
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=539396:539401

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5140094672175104

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.

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