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Issue metadata

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



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Crash in SkOpCoincidence::apply

Project Member Reported by ClusterFuzz, Jul 15 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6704083427917824

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000060
Crash State:
  SkOpCoincidence::apply
  HandleCoincidence
  Simplify
  

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96LH5Bm57gBnCXsYyj_Iz3ngif_hFy_t6vrp97jYLjB4boti-QULlkfQPDv50cJya1q8oq7mhYsuS4x5is2u_Vxe1zCFD5meuBYNgrbO8pBoYwzzZOmjLb5n2iMiuXEw3pG3V-WCDImFgA4aB8ycn9lsB-u2Q?testcase_id=6704083427917824


Filer: mmohammad

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Owner: mbarbe...@chromium.org
Status: Assigned (was: Available)
suspected cl :https://chromium.googlesource.com/chromium/src/+/d39a8d816bab5d9c7b572c1ef9e6a53224e0b0c9%5E%21/testing/libfuzzer/fuzzers/skia_pathop_fuzzer.cc

mbarbella@ could you please look into this. Thanks
Project Member

Comment 2 by ClusterFuzz, Jul 19 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6621599679905792

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000060
Crash State:
  SkOpCoincidence::apply
  HandleCoincidence
  OpDebug
  

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97wo1qjGm5IOpeSyOKL_ZGOtS2rR0Gl6oMmjvMu7ZekGwZBRwMio8bpzabSCHzO1DXFbbO5ZA5PeOmTmEivNDD6IXUvbBIcjL04JPnyrMOVnXlTYZWlDF5GlwqtC-Sj_2Q4iV1YT14xjamVdKkyDgPP9Cu8-g?testcase_id=6621599679905792


Filer: mummareddy

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

Comment 3 by mmoroz@chromium.org, Jul 21 2016

Labels: -ClusterFuzz -Stability-Libfuzzer Clusterfuzz
Project Member

Comment 4 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=6621599679905792

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000060
Crash State:
  SkOpCoincidence::apply
  HandleCoincidence
  OpDebug
  
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=406032:406205

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97wo1qjGm5IOpeSyOKL_ZGOtS2rR0Gl6oMmjvMu7ZekGwZBRwMio8bpzabSCHzO1DXFbbO5ZA5PeOmTmEivNDD6IXUvbBIcjL04JPnyrMOVnXlTYZWlDF5GlwqtC-Sj_2Q4iV1YT14xjamVdKkyDgPP9Cu8-g?testcase_id=6621599679905792


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.
Project Member

Comment 5 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=6704083427917824

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000060
Crash State:
  SkOpCoincidence::apply
  HandleCoincidence
  Simplify
  
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=406032:406205

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96LH5Bm57gBnCXsYyj_Iz3ngif_hFy_t6vrp97jYLjB4boti-QULlkfQPDv50cJya1q8oq7mhYsuS4x5is2u_Vxe1zCFD5meuBYNgrbO8pBoYwzzZOmjLb5n2iMiuXEw3pG3V-WCDImFgA4aB8ycn9lsB-u2Q?testcase_id=6704083427917824


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 6 by ClusterFuzz, Jul 29 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
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 7 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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