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Issue 627388 link

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Issue metadata

Status: Fixed
Owner:
Last visit > 30 days ago
Closed: Jul 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in SkTSect<SkDCubic, SkDQuad>::binarySearchCoin

Project Member Reported by ClusterFuzz, Jul 12 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5897568798375936

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x0000000000a8
Crash State:
  SkTSect<SkDCubic, SkDQuad>::binarySearchCoin
  SkTSect<SkDCubic, SkDQuad>::extractCoincident
  SkTSect<SkDCubic, SkDQuad>::BinarySearch
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=402185:402404

Minimized Testcase (0.13 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97Zd25LTv3cjU9SAJzKJBJNpCjQc9VpaDxde5QGf4OBr9C_PnjR6x1CK2NnOBWTRT6uljrWvWlfVjmQmAHuzUpcHz1-EXOgS60N-q3v3D3MzoX3ofcggGRmNCuTuYMrrzGWHak1-CBnbJkWxdsG1ovu0w_ysw?testcase_id=5897568798375936

Filer: ajha

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

Comment 1 by ajha@chromium.org, Jul 12 2016

Cc: ajha@chromium.org bsalomon@chromium.org
Components: Tools>Test>FindIt>NoResult
Labels: M-54 Te-Logged
Owner: reed@chromium.org
Status: Assigned (was: Available)
Find It result:
================
Suspected CLs	Findit could not find any suspected CLs.

Suspected Project: chromium

Assigning to chromium//src/third_party/skia/OWNERS for further investigation and more inputs on this.




Comment 2 by bsalo...@google.com, Jul 12 2016

Cc: caryclark@chromium.org
Owner: caryclark@google.com
Project Member

Comment 4 by ClusterFuzz, Jul 13 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6344268985925632

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

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

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv969I60mbjg26-p-aXO11p75MrCjIs8E49sfX4PwK4ymNnRkdu8vhXHmBmDcd-eCWJ3VoDhV2kz-W6Vj_KnsT5Pq9ncUegqI0MT2QXlVXEQCIPukYLWPavRbgNnwMUfuEM8whIQzSAC8AWGW0CYyVQjyg0vE7w?testcase_id=6344268985925632


Filer: mmohammad

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
Project Member

Comment 5 by ClusterFuzz, Jul 14 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4547788318965760

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x0000000000a8
Crash State:
  SkTSect<SkDCubic, SkDQuad>::binarySearchCoin
  SkTSect<SkDCubic, SkDQuad>::extractCoincident
  SkTSect<SkDCubic, SkDQuad>::BinarySearch
  

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv94am5uhOOEe5-iNBdGME_CJpRvDoYOb7UKIpwVQjP4EAGyJsMN410edDzl5VQBtUbm0tAAtnHePcRmfNQ_JgkqTgKAARDw2SwXhIrnAhC71W4PK9TnhZfnnQK366vd43LaHB4sugHjTJnLqZVveKLOUyxvGXg?testcase_id=4547788318965760


Filer: mmohammad

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
Project Member

Comment 6 by ClusterFuzz, Jul 18 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4927728466001920

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

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

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv94vaJsIAjsUJTOvcRU79oPu8xXohSTOYvFlD7epaylhJuGkOr0KRcE-YnEEw3XD0HpBxkeDY3y_UFpqBAjGov9AzcmAt3QtAxAoYCribJLYwNUYOAdHY8bz9n2AUrMpF1m1IOGcybJbMCW83Ji1lojFr-a0Bw?testcase_id=4927728466001920


Filer: mummareddy

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
Can't repro crash with any of the above test cases. Fixed?
Status: Fixed (was: Assigned)
Project Member

Comment 9 by ClusterFuzz, Jul 26 2016

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

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4927728466001920

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000070
Crash State:
  SkTSect<SkDCubic, SkDQuad>::extractCoincident
  SkTSect<SkDCubic, 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/AMIfv94vaJsIAjsUJTOvcRU79oPu8xXohSTOYvFlD7epaylhJuGkOr0KRcE-YnEEw3XD0HpBxkeDY3y_UFpqBAjGov9AzcmAt3QtAxAoYCribJLYwNUYOAdHY8bz9n2AUrMpF1m1IOGcybJbMCW83Ji1lojFr-a0Bw?testcase_id=4927728466001920


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

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Components: -Tools>Test>FindIt>NoResult
Project Member

Comment 11 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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