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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Chrome , Mac
Pri: 1
Type: Bug

Blocking:
issue v8:6735



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Timeout in v8_regexp_parser_fuzzer

Project Member Reported by ClusterFuzz, Nov 10

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6502286601486336

Fuzzer: libFuzzer_v8_regexp_parser_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  v8_regexp_parser_fuzzer
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=397702:398136

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6502286601486336

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 10

Labels: OS-Windows
Project Member

Comment 2 by ClusterFuzz, Nov 11

Labels: OS-Mac
Components: Blink>JavaScript
Owner: jgruber@chromium.org
Status: Assigned (was: Untriaged)
Blocking: v8:6735
Components: Blink>JavaScript>Regexp
Simple d8 repro:

$ time out/debug/d8 --trace-regexp-parser -e 'new RegExp("(|_|){25}_").exec("abc")'
(: (# 25 25 g (^ (| % '_' %))) '_')
(: (# 25 25 g (^ (| % '_' %))) '_')

real	0m2.412s
user	0m2.374s
sys	0m0.044s


Project Member

Comment 6 by ClusterFuzz, Dec 1

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 6502286601486336 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.
Project Member

Comment 8 by ClusterFuzz, Dec 4

Labels: OS-Chrome
не понимаю вообще ,по конкретней бы смысл вами написанного


сб, 1 дек. 2018 г. в 14:01, ClusterFuzz via monorail <
monorail+v2.2757933724@chromium.org>:

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