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Issue metadata

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



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Null-dereference READ in content::RenderWidget::OnDidOverscroll

Project Member Reported by ClusterFuzz, Nov 28 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5420196063084544

Fuzzer: ochang_domfuzzer
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  content::RenderWidget::OnDidOverscroll
  content::RenderWidgetInputHandler::DidOverscrollFromBlink
  blink::ChromeClientImpl::DidOverscroll
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=519320:519321

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5420196063084544

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 28 2017

Labels: OS-Mac
Project Member

Comment 2 by ClusterFuzz, Nov 28 2017

Components: Blink>Input 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 3 by ClusterFuzz, Nov 28 2017

Labels: Test-Predator-Auto-Owner
Owner: dtapu...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/dc8d14d9a16b28d12b8380d0a5490fe4a747a65a (Enable mojo input messages on all platforms other than Android webview.).

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

Comment 4 by ClusterFuzz, Nov 28 2017

ClusterFuzz has detected this issue as fixed in range 519420:519421.

Detailed report: https://clusterfuzz.com/testcase?key=5420196063084544

Fuzzer: ochang_domfuzzer
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  content::RenderWidget::OnDidOverscroll
  content::RenderWidgetInputHandler::DidOverscrollFromBlink
  blink::ChromeClientImpl::DidOverscroll
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=519320:519321
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=519420:519421

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5420196063084544

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, Nov 28 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5420196063084544 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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