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Issue metadata

Status: Verified
Owner: ----
Closed: Dec 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in SkOpSegment::rayCheck

Project Member Reported by ClusterFuzz, Dec 17 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5130065462689792

Fuzzer: libfuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkOpSegment::rayCheck
  SkOpContour::rayCheck
  SkOpSpan::sortableTop
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=438523:438689

Minimized Testcase (0.35 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94wIzwYFWrEIzHi2nGmb8ZDNv8f3XgC9juzSuMnKCV7JNVDwpZhvYtfAYv-jLdfeM7nmxupWscy1MS-AUq2r45F33oRpXHrQPdHPJkqRax1OiR7n87kdpOiyjPq2RSeiheqkDZiF57CjxsZnTlfnC2hVr9VMA?testcase_id=5130065462689792

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Components: Internals>Skia
Labels: Test-Predator-Wrong-CLs
Project Member

Comment 2 by ClusterFuzz, Dec 21 2016

ClusterFuzz has detected this issue as fixed in range 439851:439947.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5130065462689792

Fuzzer: libfuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkOpSegment::rayCheck
  SkOpContour::rayCheck
  SkOpSpan::sortableTop
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=438523:438689
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=439851:439947

Minimized Testcase (0.35 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94wIzwYFWrEIzHi2nGmb8ZDNv8f3XgC9juzSuMnKCV7JNVDwpZhvYtfAYv-jLdfeM7nmxupWscy1MS-AUq2r45F33oRpXHrQPdHPJkqRax1OiR7n87kdpOiyjPq2RSeiheqkDZiF57CjxsZnTlfnC2hVr9VMA?testcase_id=5130065462689792

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.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 3 by ClusterFuzz, Dec 21 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5130065462689792 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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