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Issue metadata

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



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Null-dereference READ in SkImageFilter::filterBounds

Project Member Reported by ClusterFuzz, Nov 22 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6221761514569728

Fuzzer: bj_broddelwerk
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  SkImageFilter::filterBounds
  cc::MapRectInternal
  cc::FilterOperations::MapRect
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=518507:518524

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6221761514569728

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 22 2017

Labels: OS-Mac
Components: Internals>Skia
Project Member

Comment 3 by ClusterFuzz, Nov 26 2017

Labels: M-64 ClusterFuzz-Top-Crash ReleaseBlock-Beta
Testcase 6221761514569728 is a top crash on ClusterFuzz for android platform. Please prioritize fixing this crash.

Marking this crash as a Beta release blocker.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
This is marked as Beta blocker for M-64 and would be good to have all the Beta blockers resolved before branch point. M-64 will be branched in few days.

Could someone from skia team,please have a look ASAP and help in further investigation.
Thanks..!
Project Member

Comment 5 by ClusterFuzz, Nov 28 2017

ClusterFuzz has detected this issue as fixed in range 519578:519591.

Detailed report: https://clusterfuzz.com/testcase?key=6221761514569728

Fuzzer: bj_broddelwerk
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  SkImageFilter::filterBounds
  cc::MapRectInternal
  cc::FilterOperations::MapRect
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=518507:518524
Fixed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=519578:519591

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6221761514569728

Additional requirements: Requires Gestures

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 6 by ClusterFuzz, Nov 28 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6221761514569728 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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