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Issue metadata

Status: Verified
Owner:
Closed: Oct 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Null-dereference READ in v8::internal::compiler::QueryAlias

Project Member Reported by ClusterFuzz, Oct 19 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6061246750392320

Fuzzer: inferno_js_fuzzer
Job Type: windows_asan_d8
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000004
Crash State:
  v8::internal::compiler::QueryAlias
  v8::internal::compiler::LoadElimination::UpdateStateForPhi
  v8::internal::compiler::LoadElimination::ReduceEffectPhi
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_d8&range=509727:509747

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6061246750392320

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 19 2017

Components: Blink>JavaScript>Compiler
Labels: Test-Predator-AutoComponents
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Cc: mstarzinger@chromium.org
Owner: jarin@chromium.org
Status: Assigned (was: Untriaged)

Comment 3 by jarin@chromium.org, Oct 19 2017

Cc: jarin@chromium.org
Owner: tebbi@chromium.org
This seems to bisect to the dead code elimination changes.
Project Member

Comment 4 by ClusterFuzz, Oct 21 2017

ClusterFuzz has detected this issue as fixed in range 510370:510391.

Detailed report: https://clusterfuzz.com/testcase?key=6061246750392320

Fuzzer: inferno_js_fuzzer
Job Type: windows_asan_d8
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000004
Crash State:
  v8::internal::compiler::QueryAlias
  v8::internal::compiler::LoadElimination::UpdateStateForPhi
  v8::internal::compiler::LoadElimination::ReduceEffectPhi
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_d8&range=509727:509747
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_d8&range=510370:510391

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6061246750392320

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 5 by ClusterFuzz, Oct 21 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6061246750392320 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components

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