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Issue metadata

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



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Null-dereference in snd_seq_event_output_direct

Project Member Reported by ClusterFuzz, Jun 20 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4793812433240064

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference
Crash Address: 0x000000000020
Crash State:
  snd_seq_event_output_direct
  midi::MidiManagerAlsa::SendMidiData
  _ZN4base8internal7InvokerINS0_9BindStateIMN4midi15MidiManagerAlsaEFvPNS3_17MidiM
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=479356:479374

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4793812433240064


Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 20 2017

ClusterFuzz has detected this issue as fixed in range 487792:487810.

Detailed report: https://clusterfuzz.com/testcase?key=4793812433240064

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference
Crash Address: 0x000000000020
Crash State:
  snd_seq_event_output_direct
  midi::MidiManagerAlsa::SendMidiData
  _ZN4base8internal7InvokerINS0_9BindStateIMN4midi15MidiManagerAlsaEFvPNS3_17MidiM
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=479356:479374
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=487792:487810

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4793812433240064


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 2 by ClusterFuzz, Jul 20 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4793812433240064 is verified as fixed, so closing issue.

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

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