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Issue metadata

Status: Duplicate
Merged: issue 836942
Owner:
Closed: May 2018
Cc:
Components:
EstimatedDays: ----
NextAction: 2018-05-14
OS: Linux
Pri: 1
Type: Bug-Regression



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Null-dereference READ in blink::AudioNode::Handler

Project Member Reported by ClusterFuzz, May 6 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5925149103357952

Fuzzer: inferno_twister
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000058
Crash State:
  blink::AudioNode::Handler
  blink::AudioDestinationNode::GetAudioDestinationHandler
  blink::BaseAudioContext::NotifyWorkletIsReady
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=551933:551934

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5925149103357952

Additional requirements: Requires HTTP

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 6 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 , hence assigning to hongchan@ for more updates.

hongchan@ Could you please take a look in to this issue?

Thanks!
NextAction: 2018-05-14
Same as the closed issue before: it is not locally reproducible. I can't understand how the repro case can happen.
Project Member

Comment 4 by ClusterFuzz, May 9 2018

ClusterFuzz has detected this issue as fixed in range 557110:557111.

Detailed report: https://clusterfuzz.com/testcase?key=5925149103357952

Fuzzer: inferno_twister
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000058
Crash State:
  blink::AudioNode::Handler
  blink::AudioDestinationNode::GetAudioDestinationHandler
  blink::BaseAudioContext::NotifyWorkletIsReady
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=551933:551934
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=557110:557111

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5925149103357952

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.
Project Member

Comment 5 by ClusterFuzz, May 9 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5925149103357952 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
The NextAction date has arrived: 2018-05-14
Mergedinto: 836942
Status: Duplicate (was: Verified)
Labels: ClusterFuzz-Wrong

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