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Issue 733622 link

Starred by 1 user
Status: Fixed
Owner:
clemensh@chromium.org
Closed: Jun 2017
Cc:
█ msrchandra@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug

Blocked on:
issue 734246


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CHECK failure: Disposing the isolate that is entered by a thread in wasm-module.h

Project Member Reported by ClusterFuzz, Jun 15 2017 
Detailed report: https://clusterfuzz.com/testcase?key=4556296648130560

Fuzzer: libFuzzer_v8_wasm_names_section_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  Disposing the isolate that is entered by a thread in wasm-module.h
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=478736:478797

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4556296648130560


Issue filed automatically.

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

Comment 1 by msrchandra@chromium.org, Jun 15 2017

Cc: msrchandra@chromium.org
Components: Blink>JavaScript
Labels: M-61 Test-Predator-Correct-CLs
Owner: clemensh@chromium.org
Status: Assigned (was: Untriaged)
Assigning to the concern owner from Predator results --
The result is a list of CLs that change the crashed files. 

Author: Clemens Hammacher
Project: chromium-v8
Changelist: https://chromium.googlesource.com/v8/v8.git/+/07b115f854d6fe6e0a05c0d9e7143cb9580dfe28
Time: Mon Jun 12 11:59:14 2017
Lines 107, 721-722, 730-731, 737-738 of file module-decoder.cc which potentially caused crash are changed in this cl (frame #8, "v8::internal::wasm::"; frame #9, "DecodeNameSection").
Minimum distance from crash line to modified line: 0. (file: module-decoder.cc, crashed on: 721, modified: 721).

@Clemens Hammacher -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

Comment 2 by clemensh@chromium.org, Jun 19 2017

Blockedon: 734246

Comment 3 by clemensh@chromium.org, Jun 21 2017

Status: Fixed (was: Assigned)
►

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