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Issue 771391 link

Starred by 1 user
Status: Verified
Owner: ----
Closed: Nov 2017
Cc:
█ bsalomon@chromium.org
pnangunoori@chromium.org
enne@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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pobfuzz: drawOval -> SkIRect::width integer overflow

Project Member Reported by ClusterFuzz, Oct 3 2017 
Detailed report: https://clusterfuzz.com/testcase?key=4767249574658048

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkIRect::width
  GrSoftwarePathRenderer::onDrawPath
  GrRenderTargetContext::internalDrawPath
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=502108:506092

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4767249574658048

Issue filed automatically.

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

Comment 1 by pnangunoori@chromium.org, Oct 4 2017

Cc: pnangunoori@chromium.org
Components: Internals>Skia
Labels: Test-Predator-Wrong M-63

Comment 2 by enne@chromium.org, Oct 4 2017

Cc: bsalomon@chromium.org enne@chromium.org
Labels: -Pri-2 -M-63 Pri-3
Status: Available (was: Untriaged)
Summary: pobfuzz: drawOval -> SkIRect::width integer overflow (was: Integer-overflow in SkIRect::width)

Comment 3 by mmoroz@chromium.org, Oct 24 2017 

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.
Project Member

Comment 4 by ClusterFuzz, Nov 22 2017 

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

Detailed report: https://clusterfuzz.com/testcase?key=4767249574658048

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkIRect::width
  GrSoftwarePathRenderer::onDrawPath
  GrRenderTargetContext::internalDrawPath
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=502108:506092
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=518512:518527

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4767249574658048

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 5 by ClusterFuzz, Nov 22 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 4767249574658048 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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