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Issue metadata

Status: Verified
Owner:
Closed: Mar 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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CHECK failure: expect == result in multi-return.cc

Project Member Reported by ClusterFuzz, Feb 17 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4658209877655552

Fuzzer: libFuzzer_v8_multi_return_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  expect == result in multi-return.cc
  multi-return.cc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=534395:534400

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4658209877655552

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 17 2018

Components: Blink>JavaScript
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, Feb 17 2018

Labels: Test-Predator-Auto-Owner
Owner: ahaas@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/bb253d28f48b6a2895b13f8a49d78fcc1be79779 ([fuzzer] Handle more than 256 parameters of the same type).

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.

Comment 3 by ahaas@chromium.org, Feb 26 2018

Labels: -Pri-1 Pri-2
I still have to investigate. However, this fuzzer tests a feature which is off-by-default at the moment and therefore I reduce the priority.
Project Member

Comment 4 by ClusterFuzz, Mar 22 2018

ClusterFuzz has detected this issue as fixed in range 544721:544735.

Detailed report: https://clusterfuzz.com/testcase?key=4658209877655552

Fuzzer: libFuzzer_v8_multi_return_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  expect == result in multi-return.cc
  multi-return.cc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=534395:534400
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=544721:544735

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4658209877655552

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

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 5 by ClusterFuzz, Mar 22 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4658209877655552 is verified as fixed, so closing issue as verified.

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

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