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Issue metadata

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



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Use-of-uninitialized-value in decode_pce

Project Member Reported by ClusterFuzz, Apr 12 2017

Issue description

Project Member

Comment 1 by ClusterFuzz, Apr 12 2017

ClusterFuzz has detected this issue as fixed in range 463886:463918.

Detailed report: https://clusterfuzz.com/testcase?key=6074701429604352

Fuzzer: libfuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  decode_pce
  decode_ga_specific_config
  decode_audio_specific_config_gb
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=413228:413328
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=463886:463918

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv94PIjYQJB_zT1jk3_XIo-YEmewPvnyeqPTXHLl9_rAQssm6AqX9r4gT_W-GmBS_K622rscB5XoWbhV9mY8R3vZq9_K1sRxVLF1HVFbZHSBRPLOXEsmm_sBXbjeHm3eLaK13RHjT8lmy1nr17JFCt_gVYS717oy486EELJfD_vMxyjBA425MVtM61GCtCGBPP93rq7kxvUNHCIsUAXJHojCMZiWCsLg6t8DDjA5Y_B6mHEQ00-G9g8dTmWCUPiwmr53ncM2kWBW42W92QEhSWBghYMKjloMe5lLDVj7p4QxYFmq47OQsWOahRY7rmiwRqZNwuu30qh3cvmL-_pF7ptxH7eHxsdd6spmMnDB31b2xIXFI-gle9E_t2vVHzCULBYjSuLumVAIMaf0tw4gjkpPsS2Uldw?testcase_id=6074701429604352


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 2 by ClusterFuzz, Apr 12 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6074701429604352 is verified as fixed, so closing issue.

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

Comment 3 by sheriffbot@chromium.org, Apr 12 2017

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

Comment 4 by sheriffbot@chromium.org, Jul 19 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
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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