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Issue metadata

Status: Verified
Owner:
Closed: Aug 2
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in gpu::Buffer::GetDataAddress

Project Member Reported by ClusterFuzz, Jul 24

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6227643805204480

Fuzzer: inferno_webbot
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000059
Crash State:
  gpu::Buffer::GetDataAddress
  gpu::ClientDiscardableHandle::Lock
  gpu::ClientDiscardableManager::LockHandle
  
Sanitizer: undefined (UBSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6227643805204480

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 24

Components: Internals>GPU>Internals
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.
Cc: kkaluri@chromium.org
Labels: M-68 Test-Predator-Wrong CF-NeedsTriage
Unable to provide possible suspect using Predator, CL and Code Search.
Could someone please look into the issue.

Thank You...
Owner: ericrk@chromium.org
Status: Assigned (was: Untriaged)
ericrk, can you take a look? This crash seems to involve discardable textures.
Project Member

Comment 4 by ClusterFuzz, Aug 2

ClusterFuzz has detected this issue as fixed in range 579743:579744.

Detailed report: https://clusterfuzz.com/testcase?key=6227643805204480

Fuzzer: inferno_webbot
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000059
Crash State:
  gpu::Buffer::GetDataAddress
  gpu::ClientDiscardableHandle::Lock
  gpu::ClientDiscardableManager::LockHandle
  
Sanitizer: undefined (UBSAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=579743:579744

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6227643805204480

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, Aug 2

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6227643805204480 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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