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Issue metadata

Status: Verified
Owner: ----
Closed: Sep 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Null-dereference READ in blink::WebViewImpl::LayoutAndPaintAsync

Project Member Reported by ClusterFuzz, Sep 28 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6559909817876480

Fuzzer: inferno_twister
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::WebViewImpl::LayoutAndPaintAsync
  test_runner::LayoutAndPaintAsyncThen
  test_runner::TestRunnerForSpecificView::LayoutAndPaintAsync
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=504296:504318

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6559909817876480

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Components: Blink>Layout
Labels: M-63 CF-NeedsTriage Test-Predator-Wrong
Unable to provide possible suspect using Predator, CL and Code Search.
Could someone please look into the issue.
Thank You.
Cc: msrchandra@chromium.org pnangunoori@chromium.org

Comment 3 by e...@chromium.org, Sep 28 2017

Components: -Blink>Layout Blink>Infra
Note that this is a null-deref in test-only code.
Lowering priority accordingly and sending over to blink-infra for further triage.
Project Member

Comment 4 by ClusterFuzz, Sep 28 2017

ClusterFuzz has detected this issue as fixed in range 504724:504793.

Detailed report: https://clusterfuzz.com/testcase?key=6559909817876480

Fuzzer: inferno_twister
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  blink::WebViewImpl::LayoutAndPaintAsync
  test_runner::LayoutAndPaintAsyncThen
  test_runner::TestRunnerForSpecificView::LayoutAndPaintAsync
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=504296:504318
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=504724:504793

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6559909817876480

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 5 by ClusterFuzz, Sep 29 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6559909817876480 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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