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Issue metadata

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



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RepresentationChangerError: node #8:Dead of kMachNone (Any) cannot be changed to

Project Member Reported by ClusterFuzz, Apr 29 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6614873168936960

Fuzzer: decoder_langfuzz
Job Type: linux_ubsan_vptr_d8
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  RepresentationChangerError: node #8:Dead of kMachNone (Any) cannot be changed to
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_d8&range=389884:390111

Minimized Testcase (8.91 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96xf1S3lF3H_LBsnQEPPcQ99qWtMiC5Ok61ZDyEBP1MjBVWBODdoHTaQzIioQVsdpsLPtpyP2dkJ-4Q0mqytv2PG0_FZ30Jo2lZzWu_z8xPSSXS6_wKom2Mu-_e4evZvdDqpiptpkFHzjtBsiy6bLwUCoWqyg

Filer: jkummerow

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: -jkummerow@google.com mstarzinger@chromium.org jkummerow@chromium.org
Owner: jarin@chromium.org
Status: Fixed (was: Available)
Just filing this bug for documentation purposes. The crash no longer reproduces after:

commit a5c6676b136457266e8e10bf3f7df30a5184aa3b
Author: jarin <jarin@chromium.org>
Date:   Thu Apr 28 11:58:55 2016 -0700

    Unship try-catch and try-finally optimizations in Turbofan.
    
    Try catch interacts badly with OSR and for-in.
    
    BUG= chromium:607493 
    LOG=n
    
    Review-Url: https://codereview.chromium.org/1931973002
    Cr-Commit-Position: refs/heads/master@{#35877}
Project Member

Comment 2 by ClusterFuzz, Apr 30 2016

ClusterFuzz has detected this issue as fixed in range 390610:390616.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6614873168936960

Fuzzer: decoder_langfuzz
Job Type: linux_ubsan_vptr_d8
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  RepresentationChangerError: node #8:Dead of kMachNone (Any) cannot be changed to
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_d8&range=389884:390111
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_vptr_d8&range=390610:390616

Minimized Testcase (8.91 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96xf1S3lF3H_LBsnQEPPcQ99qWtMiC5Ok61ZDyEBP1MjBVWBODdoHTaQzIioQVsdpsLPtpyP2dkJ-4Q0mqytv2PG0_FZ30Jo2lZzWu_z8xPSSXS6_wKom2Mu-_e4evZvdDqpiptpkFHzjtBsiy6bLwUCoWqyg

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 3 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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