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Issue 910930 link

Starred by 1 user
Status: Assigned
Owner:
cmt...@chromium.org
Cc:
norvez@chromium.org
mqg@chromium.org
za...@chromium.org
metzman@chromium.org
manojgupta@chromium.org
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 1
Type: Bug



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CHECK failure: IsStringUTF8(*string_value_) in values.cc

Project Member Reported by ClusterFuzz, Dec 2 
Detailed report: https://clusterfuzz.com/testcase?key=6739863581491200

Fuzzer: libFuzzer_chromeos_biod_storage_fuzzer
Job Type: libfuzzer_asan_chromeos
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  IsStringUTF8(*string_value_) in values.cc
  base::Value::Value
  memory
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_asan_chromeos&range=3166387:3180910

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6739863581491200

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, Dec 2

Cc: za...@chromium.org mqg@chromium.org norvez@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 norvez@chromium.org, Dec 3

Owner: cmt...@chromium.org
Status: Assigned (was: Untriaged)
That looks like it was triggered in the fuzzer itself, I think the call record->GetData() is the problem.
Project Member

Comment 3 by ClusterFuzz, Dec 4

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 6739863581491200 appears to be flaky, updating reproducibility label.

Comment 4 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 a bug in ClusterFuzz that has been fixed. 
Sorry for the inconvenience.
►

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