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Issue 904149 link

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Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Nov 12
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in bool v8::internal::MemoryChunk::IsFlagSet<

Project Member Reported by ClusterFuzz, Nov 10

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5703050699997184

Fuzzer: ochang_js_fuzzer
Job Type: linux_cfi_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  bool v8::internal::MemoryChunk::IsFlagSet<
  v8::internal::IterateAndScavengePromotedObjectsVisitor::HandleSlot
  v8::internal::IterateAndScavengePromotedObjectsVisitor::VisitPointers
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_d8&range=55950:55951

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5703050699997184

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 10

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

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Nov 10

Labels: Test-Predator-Auto-Owner
Owner: chandanreddy@google.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/aaab2907cc1fffec6351b03d22084ebe74bdae62 ([Interpreter] Create and use CallNoFeedback bytecode for one-shot code).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by ClusterFuzz, Nov 12

ClusterFuzz has detected this issue as fixed in range 57418:57419.

Detailed report: https://clusterfuzz.com/testcase?key=5703050699997184

Fuzzer: ochang_js_fuzzer
Job Type: linux_cfi_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  bool v8::internal::MemoryChunk::IsFlagSet<
  v8::internal::IterateAndScavengePromotedObjectsVisitor::HandleSlot
  v8::internal::IterateAndScavengePromotedObjectsVisitor::VisitPointers
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_d8&range=55950:55951
Fixed: https://clusterfuzz.com/revisions?job=linux_cfi_d8&range=57418:57419

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5703050699997184

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, Nov 12

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5703050699997184 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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