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Issue metadata

Status: Verified
Owner:
Closed: Feb 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 2
Type: Bug



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Null-dereference READ in blink::ClipPathClipper::~ClipPathClipper

Project Member Reported by ClusterFuzz, Feb 24 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6048781590855680

Fuzzer: miaubiz_svg_fuzzer
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000018
Crash State:
  blink::ClipPathClipper::~ClipPathClipper
  blink::PaintLayerPainter::PaintLayerContents
  blink::PaintLayerPainter::PaintFragmentByApplyingTransform
  
Sanitizer: address (ASAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6048781590855680

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 24 2018

Labels: OS-Linux
Project Member

Comment 2 by ClusterFuzz, Feb 24 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 3 by ClusterFuzz, Feb 24 2018

Cc: szager@chromium.org vmp...@chromium.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

[PE] Remove GetDocument() calls from a frequently used PaintInvalidator func. by vmpstr@chromium.org - https://chromium.googlesource.com/chromium/src/+/5e8d978cd7986057f1d9c7e05d6387b635cdfae6

Omit the parent LayoutView's scroll offset from FrameRect by szager@chromium.org - https://chromium.googlesource.com/chromium/src/+/cf91f7965c29e2bc93e81f79cef5d77481b00e6e

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 4 by ClusterFuzz, Feb 25 2018

Labels: OS-Windows
Labels: -Pri-1 Pri-2
Owner: vmp...@chromium.org
Status: Assigned (was: Untriaged)
Null reads are not P1. To vmpstr@ for initial look.
Project Member

Comment 6 by ClusterFuzz, Feb 27 2018

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

Detailed report: https://clusterfuzz.com/testcase?key=6048781590855680

Fuzzer: miaubiz_svg_fuzzer
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000018
Crash State:
  blink::ClipPathClipper::~ClipPathClipper
  blink::PaintLayerPainter::PaintLayerContents
  blink::PaintLayerPainter::PaintFragmentByApplyingTransform
  
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=6048781590855680

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 ClusterFuzz, Feb 27 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6048781590855680 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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