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Issue metadata

Status: Verified
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in blink::AudioHandler::ProcessIfNecessary

Project Member Reported by ClusterFuzz, May 31 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6468429342310400

Fuzzer: attekett_webaudio_fuzzer
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  blink::AudioHandler::ProcessIfNecessary
  blink::AudioNodeOutput::Pull
  blink::AudioNodeInput::SumAllConnections
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=475631:475657

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6468429342310400


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by sheriffbot@chromium.org, May 31 2017

Labels: M-60
Project Member

Comment 2 by sheriffbot@chromium.org, May 31 2017

Labels: ReleaseBlock-Beta
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 3 by sheriffbot@chromium.org, May 31 2017

Labels: Pri-1
Project Member

Comment 4 by ClusterFuzz, Jun 1 2017

ClusterFuzz has detected this issue as fixed in range 475812:475824.

Detailed report: https://clusterfuzz.com/testcase?key=6468429342310400

Fuzzer: attekett_webaudio_fuzzer
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  blink::AudioHandler::ProcessIfNecessary
  blink::AudioNodeOutput::Pull
  blink::AudioNodeInput::SumAllConnections
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=475631:475657
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=475812:475824

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6468429342310400


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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, Jun 1 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6468429342310400 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Project Member

Comment 6 by sheriffbot@chromium.org, Jun 1 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -ReleaseBlock-Beta
Labels: -reward-topanel reward-0
Project Member

Comment 9 by sheriffbot@chromium.org, Sep 7 2017

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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