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Issue metadata

Status: Verified
Owner:
Closed: Aug 25
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Stack-overflow in SkPathEffect::filterPath

Project Member Reported by ClusterFuzz, Aug 25

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5370816452362240

Fuzzer: libFuzzer_skia_image_filter_proto_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffc471e9ff8
Crash State:
  SkPathEffect::filterPath
  SkLine2DPathEffect::onFilterPath
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=583939:583946

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5370816452362240

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 25

Components: Internals>Skia
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, Aug 25

Labels: Test-Predator-Auto-Owner
Owner: reed@google.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://skia.googlesource.com/skia/+/6d10f8bda1cd1bebf2191c89bd4fdeabe29792bf (move patheffect virtuals to protected and rename).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by ClusterFuzz, Aug 25

ClusterFuzz has detected this issue as fixed in range 585747:585755.

Detailed report: https://clusterfuzz.com/testcase?key=5370816452362240

Fuzzer: libFuzzer_skia_image_filter_proto_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffc471e9ff8
Crash State:
  SkPathEffect::filterPath
  SkLine2DPathEffect::onFilterPath
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=583939:583946
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=585747:585755

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5370816452362240

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, Aug 25

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5370816452362240 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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