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Issue metadata

Status: Verified
Owner: ----
Closed: Jul 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in SkTSect<SkDQuad, SkDQuad>::extractCoincident

Project Member Reported by ClusterFuzz, Jul 13 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5503730464325632

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000070
Crash State:
  SkTSect<SkDQuad, SkDQuad>::extractCoincident
  SkTSect<SkDQuad, SkDQuad>::BinarySearch
  SkIntersections::intersect
  

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97f45qPVb2tCSdI3NKliLhWYMGlXvEvcwijQA-GG71fY9SqMLLjtfjiZjHGZ5FN0QGPIkxsyxzkUx6LSUX-MkrIgGChD-ZGItJguhDtCyHxsKzGbjJaXfIYEvC2xm-0Sz-uQbF8lduIMMiCwoA5S4JhiTKsnw?testcase_id=5503730464325632


Filer: mmohammad

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Internals>Skia

Comment 2 by mmoroz@chromium.org, Jul 21 2016

Labels: -ClusterFuzz -Stability-Libfuzzer Clusterfuzz
Project Member

Comment 3 by ClusterFuzz, Jul 29 2016

ClusterFuzz has detected this issue as fixed in range 406032:406205.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5503730464325632

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000070
Crash State:
  SkTSect<SkDQuad, SkDQuad>::extractCoincident
  SkTSect<SkDQuad, SkDQuad>::BinarySearch
  SkIntersections::intersect
  
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=406032:406205

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97f45qPVb2tCSdI3NKliLhWYMGlXvEvcwijQA-GG71fY9SqMLLjtfjiZjHGZ5FN0QGPIkxsyxzkUx6LSUX-MkrIgGChD-ZGItJguhDtCyHxsKzGbjJaXfIYEvC2xm-0Sz-uQbF8lduIMMiCwoA5S4JhiTKsnw?testcase_id=5503730464325632


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 4 by ClusterFuzz, Jul 29 2016

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

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

Comment 5 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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