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Issue 715482 link

Starred by 2 users

Issue metadata

Status: Fixed
Owner:
Closed: Apr 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug


Participants' hotlists:
Hotlist-AsmJsParser


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V8 correctness failure in configs: x64,ignition:x64,ignition_asm

Project Member Reported by ClusterFuzz, Apr 26 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6286367870156800

Fuzzer: foozzie_js_mutation
Job Type: v8_foozzie
Platform Id: linux

Crash Type: V8 correctness failure
Crash Address: 
Crash State:
  configs: x64,ignition:x64,ignition_asm
  sources: a74
  
Sanitizer: address (ASAN)

Regressed: V8: 44685:44686

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6286367870156800


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: bradnelson@chromium.org
Owner: mstarzinger@chromium.org
Status: Assigned (was: Untriaged)
This is mine. Something bogus in the following expression:

function Module() {
  "use asm";
  function f() {
    return (0 | 0xffffffff) * -1 | 0xffff;
  }
  return { f:f };
}
var m = Module();
print(m.f());
Project Member

Comment 2 by bugdroid1@chromium.org, Apr 26 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/8952aef167e73ceafc05bea4d2f8ff8cf7b6a2dd

commit 8952aef167e73ceafc05bea4d2f8ff8cf7b6a2dd
Author: Michael Starzinger <mstarzinger@chromium.org>
Date: Wed Apr 26 14:53:09 2017

[asm.js] Fix numeric literal negation in multiplication.

R=clemensh@chromium.org
TEST=mjsunit/asm/int32-mul
BUG= chromium:715482 

Change-Id: I525e901fd6ade101999694a53d5147b6e4ccc2e5
Reviewed-on: https://chromium-review.googlesource.com/488024
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44892}
[modify] https://crrev.com/8952aef167e73ceafc05bea4d2f8ff8cf7b6a2dd/src/asmjs/asm-parser.cc
[modify] https://crrev.com/8952aef167e73ceafc05bea4d2f8ff8cf7b6a2dd/src/asmjs/asm-parser.h
[modify] https://crrev.com/8952aef167e73ceafc05bea4d2f8ff8cf7b6a2dd/test/mjsunit/asm/int32-mul.js

Status: Fixed (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Apr 27 2017

ClusterFuzz has detected this issue as fixed in range 44891:44892.

Detailed report: https://clusterfuzz.com/testcase?key=6286367870156800

Fuzzer: foozzie_js_mutation
Job Type: v8_foozzie
Platform Id: linux

Crash Type: V8 correctness failure
Crash Address: 
Crash State:
  configs: x64,ignition:x64,ignition_asm
  sources: a74
  
Sanitizer: address (ASAN)

Regressed: V8: 44685:44686
Fixed: V8: 44891:44892

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6286367870156800


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

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

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