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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 SkTSect<SkDConic, SkDConic>::extractCoincident

Project Member Reported by ClusterFuzz, Jun 30 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6525616044376064

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000078
Crash State:
  SkTSect<SkDConic, SkDConic>::extractCoincident
  SkTSect<SkDConic, SkDConic>::BinarySearch
  SkIntersections::intersect
  

Minimized Testcase (0.07 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95MRAdm82KCMq1-ahif2M7y1YZa1Sh_cM11XfQDPHsdwO5fwYx-kK_AzVlYED1OMediXnw5M2C_9WcUwzKHznm0TyR2MvLojOl1iWI_5GJtMriv5-YQcQxPbG4Sac3SRgJtmSj4ZlVxtLiP_HD8EhdZZL619g?testcase_id=6525616044376064

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 could 
https://chromium.googlesource.com/chromium/src/+/d39a8d816bab5d9c7b572c1ef9e6a53224e0b0c9%5E%21/testing/libfuzzer/fuzzers/skia_pathop_fuzzer.cc

Last updated by mbarbella @ weeks ago , please have a look and reassign if needed.

Thank you.

Project Member

Comment 2 by ClusterFuzz, Jul 29 2016

ClusterFuzz has detected this issue as fixed in range 407784:407906.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6525616044376064

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000078
Crash State:
  SkTSect<SkDConic, SkDConic>::extractCoincident
  SkTSect<SkDConic, SkDConic>::BinarySearch
  SkIntersections::intersect
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=402185:402404
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=407784:407906

Minimized Testcase (0.07 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95MRAdm82KCMq1-ahif2M7y1YZa1Sh_cM11XfQDPHsdwO5fwYx-kK_AzVlYED1OMediXnw5M2C_9WcUwzKHznm0TyR2MvLojOl1iWI_5GJtMriv5-YQcQxPbG4Sac3SRgJtmSj4ZlVxtLiP_HD8EhdZZL619g?testcase_id=6525616044376064

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, 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 4 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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