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Issue metadata

Status: Verified
Owner: ----
Closed: Jan 14
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in OptionalStorageBase<const

Project Member Reported by ClusterFuzz, Jan 13

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4828572707192832

Fuzzer: jesse_avalanche
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  OptionalStorageBase<const
  OptionalStorageBase
  base::internal::OptionalBase<gpu::Mailbox>::OptionalBase<gpu::Mailbox const&>
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=622253:622256

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4828572707192832

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
 
Project Member

Comment 1 by ClusterFuzz, Jan 13

Components: Internals>Core
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, Jan 14

ClusterFuzz has detected this issue as fixed in range 622376:622377.

Detailed report: https://clusterfuzz.com/testcase?key=4828572707192832

Fuzzer: jesse_avalanche
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  OptionalStorageBase<const
  OptionalStorageBase
  base::internal::OptionalBase<gpu::Mailbox>::OptionalBase<gpu::Mailbox const&>
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=622253:622256
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=622376:622377

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4828572707192832

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

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 14

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4828572707192832 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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