New issue
Advanced search Search tips

Issue 650215 link

Starred by 1 user

Issue metadata

Status: Fixed
Owner:
Closed: Sep 2016
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



Sign in to add a comment

restriction_type->Is(info->restriction_type()) in simplified-lowering.cc

Project Member Reported by ClusterFuzz, Sep 26 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6611836910960640

Fuzzer: mbarbella_js_mutation
Job Type: linux_v8_d8_tot
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  restriction_type->Is(info->restriction_type()) in simplified-lowering.cc
  
Regressed: V8: r38265:38290

Minimized Testcase (0.13 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95lfgcmJ1aROWRbBlLxx9EPd_k_Je146PE_NIXX7-MohAR9MAdgBtOuHIDutWHKGtyDvWTpseuDP3HVGtg3gESuWK02TgRRacoWOHLwQyIlrK2tsG93OEKkWyakvvK86_VVv4cWLDd-dSQjJdsWrQekKLrwnA?testcase_id=6611836910960640
var __v_0 = {};
function __f_2() {
  var __v_2 = 0;
  for (var __v_1 = -1; __v_2 <= 0; ++__v_0) __v_1 = (2 % __v_1) | 0;
}
__f_2();


Issue manually filed by: jarin

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

Comment 1 by jarin@chromium.org, Sep 26 2016

Owner: jarin@chromium.org
Status: Started (was: Untriaged)
Project Member

Comment 2 by bugdroid1@chromium.org, Sep 26 2016

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/3218ef30b8c8fe6622ec8d03b634a7fd992ef5af

commit 3218ef30b8c8fe6622ec8d03b634a7fd992ef5af
Author: jarin <jarin@chromium.org>
Date: Mon Sep 26 11:44:49 2016

[turbofan] Fix restriction type for modulus in representation inference.

BUG= chromium:650215 

Review-Url: https://codereview.chromium.org/2373453002
Cr-Commit-Position: refs/heads/master@{#39715}

[modify] https://crrev.com/3218ef30b8c8fe6622ec8d03b634a7fd992ef5af/src/compiler/simplified-lowering.cc
[add] https://crrev.com/3218ef30b8c8fe6622ec8d03b634a7fd992ef5af/test/mjsunit/compiler/regress-650215.js

Project Member

Comment 3 by ClusterFuzz, Sep 27 2016

ClusterFuzz has detected this issue as fixed in range 39709:39716.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6611836910960640

Fuzzer: mbarbella_js_mutation
Job Type: linux_v8_d8_tot
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  restriction_type->Is(info->restriction_type()) in simplified-lowering.cc
  
Regressed: V8: r38265:38290
Fixed: V8: r39709:39716

Minimized Testcase (0.13 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv95lfgcmJ1aROWRbBlLxx9EPd_k_Je146PE_NIXX7-MohAR9MAdgBtOuHIDutWHKGtyDvWTpseuDP3HVGtg3gESuWK02TgRRacoWOHLwQyIlrK2tsG93OEKkWyakvvK86_VVv4cWLDd-dSQjJdsWrQekKLrwnA?testcase_id=6611836910960640
var __v_0 = {};
function __f_2() {
  var __v_2 = 0;
  for (var __v_1 = -1; __v_2 <= 0; ++__v_0) __v_1 = (2 % __v_1) | 0;
}
__f_2();


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.

Comment 4 by jarin@chromium.org, Sep 27 2016

Status: Fixed (was: Started)
Project Member

Comment 5 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Sign in to add a comment