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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::FeedbackVector::GetKind

Project Member Reported by ClusterFuzz, Oct 17 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4953154046394368

Fuzzer: inferno_layout_test_fuzzer
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x0000002b
Crash State:
  v8::internal::FeedbackVector::GetKind
  v8::internal::Runtime_LoadIC_Miss
  v8::internal::Invoke
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=508581:508610

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4953154046394368

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 17 2017

Components: Blink>JavaScript>Runtime
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.

Comment 2 by titzer@chromium.org, Oct 18 2017

Owner: pfeldman@chromium.org
Status: Assigned (was: Untriaged)
I had a look at this testcase but was not able to reproduce it on a (non-ASAN) Linux build. However, I don't see any reason why the observed symptom should depend on ASAN.

Since the test seems to be a mutated version of a code coverage test, asking pfeldman@ to help, or help find another owner.
Project Member

Comment 3 by ClusterFuzz, Oct 20 2017

ClusterFuzz has detected this issue as fixed in range 510178:510268.

Detailed report: https://clusterfuzz.com/testcase?key=4953154046394368

Fuzzer: inferno_layout_test_fuzzer
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x0000002b
Crash State:
  v8::internal::FeedbackVector::GetKind
  v8::internal::Runtime_LoadIC_Miss
  v8::internal::Invoke
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=508581:508610
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=510178:510268

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4953154046394368

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 4 by ClusterFuzz, Oct 20 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4953154046394368 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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