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Issue 816052 link

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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Mar 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::Canvas2DLayerBridge::Hibernate

Project Member Reported by ClusterFuzz, Feb 24 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4608770576220160

Fuzzer: inferno_twister_c
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::Canvas2DLayerBridge::Hibernate
  void base::internal::FunctorTraits<void
  base::internal::Invoker<base::internal::BindState<void
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=539007:539008

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4608770576220160

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 24 2018

Components: Blink>Paint Internals>Core
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 24 2018

Labels: Test-Predator-Auto-Owner
Owner: ashleymarie@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/391a1ccc52ae5b110b841b3ac428103087414dbb (Fixing oauth token for histogram upload).

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.
Components: -Blink>Paint -Internals>Core Blink>Canvas
Owner: ----
Status: Untriaged (was: Assigned)
That's a bogus clusterfuzz blame. But the Skia roll might be the cause. Over to canvas for triage, as I have no idea what is supposed to happen here.

Comment 4 by junov@chromium.org, Feb 26 2018

Owner: junov@chromium.org
Project Member

Comment 5 by ClusterFuzz, Mar 2 2018

ClusterFuzz has detected this issue as fixed in range 540469:540470.

Detailed report: https://clusterfuzz.com/testcase?key=4608770576220160

Fuzzer: inferno_twister_c
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::Canvas2DLayerBridge::Hibernate
  void base::internal::FunctorTraits<void
  base::internal::Invoker<base::internal::BindState<void
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=539007:539008
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=540469:540470

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4608770576220160

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 6 by ClusterFuzz, Mar 2 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4608770576220160 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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