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Issue metadata

Status: Verified
Owner:
Closed: Nov 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in content::CopyRequestSwapPromise::WillSwap

Project Member Reported by ClusterFuzz, Nov 4 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6508080610410496

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000248
Crash State:
  content::CopyRequestSwapPromise::WillSwap
  cc::LayerTreeImpl::FinishSwapPromises
  cc::LayerTreeHostImpl::DrawLayers
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=513735:513749

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6508080610410496

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 4 2017

Components: Internals>Compositing
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.
Project Member

Comment 2 by ClusterFuzz, Nov 4 2017

Labels: Test-Predator-AutoOwner
Owner: finnur@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/5877a5b752d3cb6a84b07caf92eb69eecc0854ef (Revert "Surface synchronization: Implement auto-resize for OOPIF/BrowserPlugin").

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 3 by ClusterFuzz, Nov 4 2017

ClusterFuzz has detected this issue as fixed in range 513767:513799.

Detailed report: https://clusterfuzz.com/testcase?key=6508080610410496

Fuzzer: mbarbella_js_mutation_layout
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000248
Crash State:
  content::CopyRequestSwapPromise::WillSwap
  cc::LayerTreeImpl::FinishSwapPromises
  cc::LayerTreeHostImpl::DrawLayers
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=513735:513749
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=513767:513799

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6508080610410496

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, Nov 4 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6508080610410496 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Labels: Test-Predator-Auto-CC
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner
Labels: -Test-Predator-Auto-CC

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