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Issue 764645 link

Starred by 1 user
Status: WontFix
Owner:
u...@chromium.org
Closed: Nov 2017
Cc:
mlippautz@chromium.org
kkaluri@chromium.org
█ msrchandra@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Direct-leak in AllocateAndInitializeSlotSet

Project Member Reported by ClusterFuzz, Sep 13 2017 
Detailed report: https://clusterfuzz.com/testcase?key=5050725519589376

Fuzzer: afl_v8_serialized_script_value_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Direct-leak
Crash Address: 
Crash State:
  AllocateAndInitializeSlotSet
  v8::internal::SlotSet* v8::internal::MemoryChunk::AllocateSlotSet<
  Insert<v8::internal::AccessMode::ATOMIC>
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=480804:481002

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5050725519589376

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by kkaluri@chromium.org, Sep 13 2017

Cc: msrchandra@chromium.org kkaluri@chromium.org
Components: Blink>JavaScript

Comment 2 by msrchandra@chromium.org, Sep 13 2017

Labels: M-63 Test-Predator-Wrong

Comment 3 by clemensh@chromium.org, Sep 15 2017

Cc: u...@chromium.org
Owner: mlippautz@chromium.org
Status: Assigned (was: Untriaged)
Regression range contains 0a67fdf63aeddbcd8ec955fa3fa3c3e56f8e15ce ([heap] Avoid concurrent accessors when releasing slot sets).
It's a wild guess, but Michael, can you take a look at this?

Comment 4 by u...@chromium.org, Sep 15 2017

Cc: -u...@chromium.org mlippautz@chromium.org
Owner: u...@chromium.org
I am investigating a related bug.

Comment 5 by mmoroz@chromium.org, Oct 24 2017 

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.
Project Member

Comment 6 by ClusterFuzz, Nov 14 2017

Status: WontFix (was: Assigned)
ClusterFuzz testcase 5050725519589376 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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