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Issue 823061 link

Starred by 3 users

Issue metadata

Status: Verified
Owner:
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Regression



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Integer-overflow in update_initial_timestamps

Project Member Reported by ClusterFuzz, Mar 17 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5150409363292160

Fuzzer: libFuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  update_initial_timestamps
  compute_pkt_fields
  parse_packet
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=543518:543534

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5150409363292160

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Mar 17 2018

Components: Internals>Media>FFmpeg
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 sande...@chromium.org
Labels: -Type-Bug -Pri-2 M-67 CF-NeedsTriage Pri-1 Type-Bug-Regression
Unable to identify actual suspect from the predator. By comparing the crash state it looks similar to  bug 793681 , hence cc'ing to same dev for more updates on this issue.

sandersd@ would you mind taking a look in to this issue?
Cc: -sande...@chromium.org chcunningham@chromium.org
Owner: sande...@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, Apr 7 2018

ClusterFuzz has detected this issue as fixed in range 548850:548860.

Detailed report: https://clusterfuzz.com/testcase?key=5150409363292160

Fuzzer: libFuzzer_media_pipeline_integration_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  update_initial_timestamps
  compute_pkt_fields
  parse_packet
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=543518:543534
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=548850:548860

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5150409363292160

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.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 5 by ClusterFuzz, Apr 7 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5150409363292160 is verified as fixed, so closing issue as verified.

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

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