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Issue 924214 link

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Issue metadata

Status: Untriaged
Owner: ----
Cc:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 1
Type: Bug



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CHECK failure: new_sample_event_id_pos == sample_event_id_pos_ (0 vs. -1)Event ids must be in a

Project Member Reported by ClusterFuzz, Today (11 hours ago)

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5189459012354048

Project: chromeos
Fuzzer: libFuzzer_chromeos_quipper_perf_reader_read_fuzzer
Fuzz target binary: quipper_perf_reader_read_fuzzer
Job Type: libfuzzer_asan_chromeos
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  new_sample_event_id_pos == sample_event_id_pos_ (0 vs. -1)Event ids must be in a
  quipper::PerfSerializer::UpdateEventIdPositions
  quipper::PerfSerializer::CreateSampleInfoReader
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_asan_chromeos&range=3110656:3111045

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5189459012354048

Issue filed automatically.

See https://chromium.googlesource.com/chromiumos/docs/+/master/fuzzing.md#Reproducing-crashes-from-ClusterFuzz for instructions to reproduce this bug locally.
 
Project Member

Comment 1 by ClusterFuzz, Today (11 hours ago)

Cc: lakshm...@chromium.org gmx@chromium.org chongjiang@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.

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