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Issue metadata

Status: Duplicate
Merged: issue 781142
Owner:
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Null-dereference READ in gl::GLApiBase::glPointParameteriFn

Project Member Reported by ClusterFuzz, Nov 12 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6545410050228224

Fuzzer: libFuzzer_gpu_angle_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  gl::GLApiBase::glPointParameteriFn
  gpu::gles2::GLES2DecoderImpl::Initialize
  gpu::CommandBufferSetup::InitDecoder
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=512673:512693

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6545410050228224

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 12 2017

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, Nov 12 2017

Labels: Test-Predator-Auto-Owner
Owner: piman@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/72bb29070e415e215e2a0095b9266c3ec1c75599 (gpu fuzzers: take configuration bits from input data).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.

Comment 3 by piman@chromium.org, Nov 13 2017

Labels: -Pri-1 Pri-2
Mergedinto: 781142
Status: Duplicate (was: Assigned)
Project Member

Comment 4 by ClusterFuzz, Nov 22 2017

ClusterFuzz has detected this issue as fixed in range 518344:518399.

Detailed report: https://clusterfuzz.com/testcase?key=6545410050228224

Fuzzer: libFuzzer_gpu_angle_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  gl::GLApiBase::glPointParameteriFn
  gpu::gles2::GLES2DecoderImpl::Initialize
  gpu::CommandBufferSetup::InitDecoder
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=512673:512693
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=518344:518399

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6545410050228224

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.

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