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Issue metadata

Status: Verified
Owner: ----
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference in cc::DisplayResourceProvider::LockForRead

Project Member Reported by ClusterFuzz, Nov 9 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6125510156615680

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Null-dereference
Crash Address: 0x000000000084
Crash State:
  cc::DisplayResourceProvider::LockForRead
  cc::DisplayResourceProvider::ScopedReadLockGL::ScopedReadLockGL
  cc::DisplayResourceProvider::ScopedSamplerGL::ScopedSamplerGL
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=515035:515052

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6125510156615680

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Cc: msrchandra@chromium.org pnangunoori@chromium.org
Components: OS>Kernel>Display
Labels: M-64 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.
Components: -OS>Kernel>Display
not display
Components: Internals>Compositing
Project Member

Comment 4 by ClusterFuzz, Nov 10 2017

ClusterFuzz has detected this issue as fixed in range 515174:515179.

Detailed report: https://clusterfuzz.com/testcase?key=6125510156615680

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Null-dereference
Crash Address: 0x000000000084
Crash State:
  cc::DisplayResourceProvider::LockForRead
  cc::DisplayResourceProvider::ScopedReadLockGL::ScopedReadLockGL
  cc::DisplayResourceProvider::ScopedSamplerGL::ScopedSamplerGL
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=515035:515052
Fixed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=515174:515179

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6125510156615680

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, Nov 10 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6125510156615680 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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