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Issue metadata

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



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Use-of-uninitialized-value in media::internal::DecimatedSearch

Project Member Reported by ClusterFuzz, Dec 21 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6143271071121408

Fuzzer: inferno_flicker
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  media::internal::DecimatedSearch
  media::internal::OptimalIndex
  media::AudioRendererAlgorithm::GetOptimalBlock
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=525148:525173

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6143271071121408

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 21 2017

Components: Internals>Media
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 2 by ClusterFuzz, Dec 21 2017

Cc: dpranke@chromium.org bbudge@chromium.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Revert "[Build] Add USE_PARTITION_ALLOC define." by bbudge@chromium.org - https://chromium.googlesource.com/chromium/src/+/5cce023721315702e4e5d475859ef5951d391731

Change the way the ffmpeg_branding gets its defaults. by dpranke@chromium.org - https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/c94da9e8deeded23aa92299844f619d1cf5a2022

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

Comment 3 by ClusterFuzz, Dec 21 2017

ClusterFuzz has detected this issue as fixed in range 525417:525446.

Detailed report: https://clusterfuzz.com/testcase?key=6143271071121408

Fuzzer: inferno_flicker
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  media::internal::DecimatedSearch
  media::internal::OptimalIndex
  media::AudioRendererAlgorithm::GetOptimalBlock
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=525148:525173
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=525417:525446

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6143271071121408

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 4 by ClusterFuzz, Dec 21 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6143271071121408 is verified as fixed, so closing issue as verified.

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

Comment 5 by sheriffbot@chromium.org, Dec 21 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 6 by sheriffbot@chromium.org, Mar 29 2018

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
Project Member

Comment 7 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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