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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<SkDCubic, SkDCubic>::extractCoincident

Project Member Reported by ClusterFuzz, Jul 14 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6590895671738368

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000058
Crash State:
  SkTSect<SkDCubic, SkDCubic>::extractCoincident
  SkTSect<SkDCubic, SkDCubic>::BinarySearch
  SkIntersections::intersect
  

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv95XHtQ-Ow8Xc-CpU9F9u38r82twi4TIIiLBF-dqxW18u_mDA7nQjqJmW4GjarjpkIM2G49J19nTnJU84CyXzZ8KVbZGjx8J5ZSZBRC3Z-UfMrjE5JCLCRTihsWnuGdi5ap9DngxZcCiRThw1cIQndhzPI9sfQ?testcase_id=6590895671738368


Filer: mmohammad

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

Comment 2 by ClusterFuzz, Jul 19 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5977906832736256

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000080
Crash State:
  SkTSect<SkDCubic, SkDCubic>::extractCoincident
  SkTSect<SkDCubic, SkDCubic>::BinarySearch
  SkIntersections::intersect
  

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96TTdtf7pFKTZ0lK4TShHIqPCx4L_UlB9Wc815FUBTpT2Bno8qwiEovnHDcIoUMwrkL1_gX3U7Amx8gOL_HDmG7j1WZSXE9JWac1QA0jd3Ada7O4_RM3W8T2GFX4Kj3wMiCIvtaSPY_uixtMcedG2qDbSd_tQ?testcase_id=5977906832736256


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=5977906832736256

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000080
Crash State:
  SkTSect<SkDCubic, SkDCubic>::extractCoincident
  SkTSect<SkDCubic, SkDCubic>::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/AMIfv96TTdtf7pFKTZ0lK4TShHIqPCx4L_UlB9Wc815FUBTpT2Bno8qwiEovnHDcIoUMwrkL1_gX3U7Amx8gOL_HDmG7j1WZSXE9JWac1QA0jd3Ada7O4_RM3W8T2GFX4Kj3wMiCIvtaSPY_uixtMcedG2qDbSd_tQ?testcase_id=5977906832736256


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 26 2016

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

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5977906832736256

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000080
Crash State:
  SkTSect<SkDCubic, SkDCubic>::extractCoincident
  SkTSect<SkDCubic, SkDCubic>::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/AMIfv96TTdtf7pFKTZ0lK4TShHIqPCx4L_UlB9Wc815FUBTpT2Bno8qwiEovnHDcIoUMwrkL1_gX3U7Amx8gOL_HDmG7j1WZSXE9JWac1QA0jd3Ada7O4_RM3W8T2GFX4Kj3wMiCIvtaSPY_uixtMcedG2qDbSd_tQ?testcase_id=5977906832736256


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 6 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=6590895671738368

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000058
Crash State:
  SkTSect<SkDCubic, SkDCubic>::extractCoincident
  SkTSect<SkDCubic, SkDCubic>::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/AMIfv95XHtQ-Ow8Xc-CpU9F9u38r82twi4TIIiLBF-dqxW18u_mDA7nQjqJmW4GjarjpkIM2G49J19nTnJU84CyXzZ8KVbZGjx8J5ZSZBRC3Z-UfMrjE5JCLCRTihsWnuGdi5ap9DngxZcCiRThw1cIQndhzPI9sfQ?testcase_id=6590895671738368


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 7 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 8 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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