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Issue metadata

Status: Verified
Owner:
Closed: Jan 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in v8::internal::Simulator::LoadStoreHelper

Project Member Reported by ClusterFuzz, Jan 4 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4769902060896256

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::Simulator::LoadStoreHelper
  v8::internal::Simulator::Run
  v8::internal::Simulator::CallVoid
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=50355:50356

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4769902060896256

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jan 4 2018

Labels: Test-Predator-Auto-Owner
Owner: tebbi@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/9e2d001e864e94059d4f7763fec1752dc3eb4330 (Revert "[turbofan] add value input to DeadValue" and "[turbofan] add regression test for chromium:796041").

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 2 by ClusterFuzz, Jan 5 2018

ClusterFuzz has detected this issue as fixed in range 50359:50360.

Detailed report: https://clusterfuzz.com/testcase?key=4769902060896256

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::Simulator::LoadStoreHelper
  v8::internal::Simulator::Run
  v8::internal::Simulator::CallVoid
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=50355:50356
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=50359:50360

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4769902060896256

See https://github.com/google/clusterfuzz-tools 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 ClusterFuzz, Jan 5 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4769902060896256 is verified as fixed, so closing issue as verified.

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

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