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Issue 844871 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 836942
Owner:
Closed: May 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Regression



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Null-dereference READ in blink::AudioDestinationNode::GetAudioDestinationHandler

Project Member Reported by ClusterFuzz, May 19 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4744316577382400

Fuzzer: inferno_layout_test_fuzzer
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::AudioDestinationNode::GetAudioDestinationHandler
  blink::BaseAudioContext::NotifyWorkletIsReady
  blink::AudioWorklet::NotifyGlobalScopeIsUpdated
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=551491:551503

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4744316577382400

Additional requirements: Requires HTTP

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 19 2018

Components: Blink>WebAudio
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.
Cc: brajkumar@chromium.org
Labels: -Type-Bug M-68 Test-Predator-Wrong Type-Bug-Regression
Owner: hongchan@chromium.org
Status: Assigned (was: Untriaged)
This issue looks similar to  bug 836942 , hongchan@ could you please take a look in to this issue?

Thanks!
Mergedinto: 836942
Status: Duplicate (was: Assigned)
Yes. I believe this is duplicate and the speculative fix is on its way.
Project Member

Comment 4 by ClusterFuzz, May 23 2018

ClusterFuzz has detected this issue as fixed in range 560877:560881.

Detailed report: https://clusterfuzz.com/testcase?key=4744316577382400

Fuzzer: inferno_layout_test_fuzzer
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::AudioDestinationNode::GetAudioDestinationHandler
  blink::BaseAudioContext::NotifyWorkletIsReady
  blink::AudioWorklet::NotifyGlobalScopeIsUpdated
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=551491:551503
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=560877:560881

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4744316577382400

Additional requirements: Requires HTTP

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.

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