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Issue 898034 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner:
Closed: Nov 30
Cc:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Timeout in icu_break_iterator_fuzzer

Project Member Reported by ClusterFuzz, Oct 23

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5660168141144064

Fuzzer: libFuzzer_icu_break_iterator_fuzzer
Job Type: windows_libfuzzer_chrome_asan
Platform Id: windows

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  icu_break_iterator_fuzzer
  
Sanitizer: address (ASAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5660168141144064

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Cc: kkaluri@chromium.org
Labels: Test-Predator-Wrong CF-NeedsTriage M-70
Unable to find actual suspect through code search and also observing no CL's under regression range, hence adding appropriate label and requesting someone from dev team to look in to this issue.

Thanks!
Labels: -CF-NeedsTriage
Owner: mmoroz@chromium.org
Status: Assigned (was: Untriaged)
mmoroz@, just wondering do you have any inputs here?
Cc: metzman@chromium.org
Owner: js...@chromium.org
This is probably a bug in ICU. Or we might want to update the fuzz target to reject inputs which are too long.

Assigning to jshin@ who's ICU owner as per https://cs.chromium.org/chromium/src/third_party/icu/OWNERS

And CC'ing metzman@ just in case this is something windows specific.
This only happens on Windows?  Argh.. it'd be hard to debug because I don't have a physical Windows machine. 

Let me try on Linux with the test case. 
Doesn't look like it has the same problem on Linux (see https://clusterfuzz.com/v2/testcase-detail/5659580611428352?noredirect=1).
I'll try to take a look and figure out what is going on, on Win.
Project Member

Comment 6 by ClusterFuzz, Nov 30

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 5660168141144064 appears to be flaky, updating reproducibility label.
Project Member

Comment 7 by ClusterFuzz, Nov 30

Status: WontFix (was: Assigned)
ClusterFuzz testcase 5660168141144064 is flaky and no longer crashes, so closing issue.

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

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