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Issue metadata

Status: WontFix
Owner:
Closed: Sep 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Out-of-memory in v8_wasm_compile_fuzzer

Project Member Reported by ClusterFuzz, Sep 1 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4892202357751808

Fuzzer: libFuzzer_v8_wasm_compile_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Out-of-memory (exceeds 2048 MB)
Crash Address: 
Crash State:
  v8_wasm_compile_fuzzer
  
Sanitizer: memory (MSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4892202357751808

Issue filed automatically.

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

Note: This crash might not be reproducible with the provided testcase. That said, for the past 14 days we've been seeing this crash frequently. If you are unable to reproduce this, please try a speculative fix based on the crash stacktrace in the report. The fix can be verified by looking at the crash statistics in the report, a day after the fix is deployed. If the fix resolved the issue, please close the bug by marking as Fixed.
 
Components: Blink>JavaScript
Labels: Test-Predator-Wrong CF-NeedsTriage
Owner: ahaas@chromium.org
Status: Assigned (was: Untriaged)

Comment 3 by ahaas@chromium.org, Sep 6 2017

I think this oom is unrelated to the fuzzer input. There may be a memory leak in the fuzzer though which causes oom's after many fuzzer inputs got executed.

Comment 4 by ahaas@chromium.org, Sep 11 2017

Status: WontFix (was: Assigned)
Won't fix for now because it cannot be reproduced.

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