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Issue 903251 link

Starred by 1 user
Status: Assigned
Owner:
lakshm...@chromium.org
Cc:
█ lakshm...@chomium.org
█ gmx@chromium.org
lakshm...@chromium.org
manojgupta@chromium.org
cmt...@chromium.org
█ chongjiang@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 1
Type: Bug



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Floating-point-exception in quipper::PerfReader::ReadAttrsSection

Project Member Reported by ClusterFuzz, Nov 8 
Detailed report: https://clusterfuzz.com/testcase?key=6306246409584640

Fuzzer: libFuzzer_chromeos_quipper_perf_reader_read_fuzzer
Job Type: libfuzzer_asan_chromeos
Platform Id: linux

Crash Type: Floating-point-exception
Crash Address: 
Crash State:
  quipper::PerfReader::ReadAttrsSection
  quipper::PerfReader::ReadFileData
  quipper::PerfReader::ReadFromData
  
Sanitizer: address (ASAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6306246409584640

Issue filed automatically.

See https://chromium.googlesource.com/chromiumos/docs/+/master/fuzzing.md#Reproducing-crashes-from-ClusterFuzz for more information.
Project Member

Comment 1 by ClusterFuzz, Nov 8

Cc: lakshm...@chomium.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.

Comment 2 by manojgupta@chromium.org, Nov 8

Cc: cmt...@chromium.org

Comment 3 by manojgupta@chromium.org, Nov 8

Cc: lakshm...@chromium.org
Status: Assigned (was: Untriaged)

Comment 4 by manojgupta@chromium.org, Nov 9

Owner: lakshm...@chromium.org

Comment 5 by allenwebb@chromium.org, Nov 13

Components: OS>Systems
Project Member

Comment 6 by ClusterFuzz, Dec 1

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 6306246409584640 appears to be flaky, updating reproducibility label.

Comment 7 by infe...@chromium.org, Dec 1

Labels: -Unreproducible Reproducible
Please ignore the last comment about testcase being unreproducible. The testcase is still reproducible. This happened due to a code refactoring on ClusterFuzz side, and the underlying root cause is now fixed. Resetting the label back to Reproducible. Sorry about the inconvenience caused from these incorrect notifications.
Project Member

Comment 8 by ClusterFuzz, Dec 4

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 6306246409584640 appears to be flaky, updating reproducibility label.

Comment 9 by metzman@google.com, Dec 4

Labels: -Unreproducible Reproducible
Please ignore the last comment about testcase being unreproducible. 
The testcase is still reproducible. 
This was caused by another bug in ClusterFuzz that has been fixed. 
Sorry again for the inconvenience.
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