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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Ill in unsigned long base::internal::CheckOnFailure::HandleFailure<unsigned long>

Project Member Reported by ClusterFuzz, Oct 7

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5633880877694976

Fuzzer: libFuzzer_safe_browsing_dmg_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Ill
Crash Address: 0x000108342929
Crash State:
  unsigned long base::internal::CheckOnFailure::HandleFailure<unsigned long>
  base::internal::StrictNumeric<unsigned long> base::internal::CheckedNumeric<unsi
  safe_browsing::dmg::HFSForkReadStream::Read
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=436227:436228

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5633880877694976

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 7

Components: Internals
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.
Project Member

Comment 2 by ClusterFuzz, Oct 7

Cc: rsesek@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.
Project Member

Comment 3 by ClusterFuzz, Oct 7

Labels: Test-Predator-Auto-Owner
Owner: thakis@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/b5ed348a584d8ce2f46b5c28dee75643ca3357ab (Roll clang 287780:288545.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Cc: -rsesek@chromium.org
Components: -Internals Services>Safebrowsing
Owner: rsesek@chromium.org
Labels: SafeBrowsing-Triaged
Project Member

Comment 6 by ClusterFuzz, Dec 1

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 5633880877694976 appears to be flaky, updating reproducibility label.
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.
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.

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