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Issue metadata

Status: Verified
Owner:
Closed: Dec 8
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in gpu::gles2::ContextState::api

Project Member Reported by ClusterFuzz, Dec 7

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4839522866823168

Fuzzer: afl_gpu_raster_angle_fuzzer
Fuzz target binary: gpu_raster_angle_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000002d8
Crash State:
  gpu::gles2::ContextState::api
  gpu::raster::RasterDecoderImpl::DoCreateAndConsumeTextureINTERNAL
  gpu::raster::RasterDecoderImpl::HandleCreateAndConsumeTextureINTERNALImmediate
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=614693:614697

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4839522866823168

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Dec 7

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.
Project Member

Comment 2 by ClusterFuzz, Dec 7

Cc: piman@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 3 by ClusterFuzz, Dec 7

Labels: Test-Predator-Auto-Owner
Owner: penghuang@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/1808a743048d147521eaffb386dc9f29b4ecae0e (Share one GLContext for all RasterDecoder when virtual context is used.).

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.
Status: Fixed (was: Assigned)
CL has been reverted.
Project Member

Comment 5 by ClusterFuzz, Dec 8

ClusterFuzz has detected this issue as fixed in range 614737:614738.

Detailed report: https://clusterfuzz.com/testcase?key=4839522866823168

Fuzzer: afl_gpu_raster_angle_fuzzer
Fuzz target binary: gpu_raster_angle_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000002d8
Crash State:
  gpu::gles2::ContextState::api
  gpu::raster::RasterDecoderImpl::DoCreateAndConsumeTextureINTERNAL
  gpu::raster::RasterDecoderImpl::HandleCreateAndConsumeTextureINTERNALImmediate
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=614693:614697
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=614737:614738

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4839522866823168

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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 6 by ClusterFuzz, Dec 8

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 4839522866823168 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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