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Issue metadata

Status: Verified
Owner: ----
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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pobfuzz: GrGLGpu::flushScissor integer overflow

Project Member Reported by ClusterFuzz, Nov 11 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6615139758637056

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkIRect::height
  GrGLIRect::setRelativeTo
  GrGLGpu::flushScissor
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=513674:513694

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6615139758637056

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Components: Internals>Skia

Comment 2 by enne@chromium.org, Nov 14 2017

Cc: bsalomon@chromium.org
Labels: -Pri-2 Pri-3
Status: Available (was: Untriaged)
Summary: pobfuzz: GrGLGpu::flushScissor integer overflow (was: Integer-overflow in SkIRect::height)
Project Member

Comment 3 by ClusterFuzz, Nov 22 2017

ClusterFuzz has detected this issue as fixed in range 518512:518527.

Detailed report: https://clusterfuzz.com/testcase?key=6615139758637056

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkIRect::height
  GrGLIRect::setRelativeTo
  GrGLGpu::flushScissor
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=513674:513694
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=518512:518527

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6615139758637056

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 4 by ClusterFuzz, Nov 22 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 6615139758637056 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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