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Issue 645851 link

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Issue metadata

Status: Verified
Owner: ----
Closed: Sep 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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previous->Is(current) in typer.cc

Project Member Reported by ClusterFuzz, Sep 12 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4983392812924928

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  previous->Is(current) in typer.cc
  
Regressed: V8: r39230:39231

Minimized Testcase (9.43 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97H3dXf4aA1YKpBUk3nVmJ5FpVvMKQCq26dDG8YspfPx5b1nLgOp9xqrxLu_xMF_Pq4JUujyGfNnA-iCXyGeEfUWgev7IPuTeuInodoNxA9UDRN-ROpnVSVb-XJr06j_hYikCMp6m_Z4BzYZyqDli_pJC_IzA?testcase_id=4983392812924928

Issue manually filed by: jarin

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

Comment 1 by bugdroid1@chromium.org, Sep 12 2016

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/e031451cd72289bd5fc81197fb831bb6121b298c

commit e031451cd72289bd5fc81197fb831bb6121b298c
Author: jarin <jarin@chromium.org>
Date: Mon Sep 12 17:04:46 2016

[turbofan] Another fix for induction variable typing monotonicity.

BUG= chromium:645851 

Review-Url: https://codereview.chromium.org/2332633002
Cr-Commit-Position: refs/heads/master@{#39358}

[modify] https://crrev.com/e031451cd72289bd5fc81197fb831bb6121b298c/src/compiler/typer.cc
[add] https://crrev.com/e031451cd72289bd5fc81197fb831bb6121b298c/test/mjsunit/compiler/regress-645851.js

Project Member

Comment 2 by bugdroid1@chromium.org, Sep 12 2016

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/e031451cd72289bd5fc81197fb831bb6121b298c

commit e031451cd72289bd5fc81197fb831bb6121b298c
Author: jarin <jarin@chromium.org>
Date: Mon Sep 12 17:04:46 2016

[turbofan] Another fix for induction variable typing monotonicity.

BUG= chromium:645851 

Review-Url: https://codereview.chromium.org/2332633002
Cr-Commit-Position: refs/heads/master@{#39358}

[modify] https://crrev.com/e031451cd72289bd5fc81197fb831bb6121b298c/src/compiler/typer.cc
[add] https://crrev.com/e031451cd72289bd5fc81197fb831bb6121b298c/test/mjsunit/compiler/regress-645851.js

Project Member

Comment 3 by bugdroid1@chromium.org, Sep 12 2016

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/e031451cd72289bd5fc81197fb831bb6121b298c

commit e031451cd72289bd5fc81197fb831bb6121b298c
Author: jarin <jarin@chromium.org>
Date: Mon Sep 12 17:04:46 2016

[turbofan] Another fix for induction variable typing monotonicity.

BUG= chromium:645851 

Review-Url: https://codereview.chromium.org/2332633002
Cr-Commit-Position: refs/heads/master@{#39358}

[modify] https://crrev.com/e031451cd72289bd5fc81197fb831bb6121b298c/src/compiler/typer.cc
[add] https://crrev.com/e031451cd72289bd5fc81197fb831bb6121b298c/test/mjsunit/compiler/regress-645851.js

Project Member

Comment 4 by ClusterFuzz, Sep 13 2016

ClusterFuzz has detected this issue as fixed in range 39357:39358.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4983392812924928

Fuzzer: decoder_langfuzz
Job Type: linux_asan_d8_ignition_dbg
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  previous->Is(current) in typer.cc
  
Regressed: V8: r39230:39231
Fixed: V8: r39357:39358

Minimized Testcase (9.43 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97H3dXf4aA1YKpBUk3nVmJ5FpVvMKQCq26dDG8YspfPx5b1nLgOp9xqrxLu_xMF_Pq4JUujyGfNnA-iCXyGeEfUWgev7IPuTeuInodoNxA9UDRN-ROpnVSVb-XJr06j_hYikCMp6m_Z4BzYZyqDli_pJC_IzA?testcase_id=4983392812924928

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.
Project Member

Comment 5 by ClusterFuzz, Sep 13 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase is verified as fixed, closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Project Member

Comment 6 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

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