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Issue metadata

Status: Verified
Owner: ----
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in SkAAClip::setRegion

Project Member Reported by ClusterFuzz, Dec 24 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5829005791199232

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkAAClip::setRegion
  SkRasterClip::convertToAA
  SkRasterClip::op
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=398502:398570

Minimized Testcase (0.30 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96CLAZbPGgbCVSbOn1z_k0zg4AgpLfSq5HGfHZd8-lauxWeq681OegsCIOCgeHtvogTrPqfspD01F1N5FIuANUqIaYFooGV-U_v0pbMpDm1wtJwKfFpjSolb2UdA0ruKWR0tKbCX2ZIZ5bWmFvcHqyGi7GWLg?testcase_id=5829005791199232

Issue filed automatically.

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

Comment 2 by ClusterFuzz, Mar 9 2017

ClusterFuzz has detected this issue as fixed in range 455516:455540.

Detailed report: https://clusterfuzz.com/testcase?key=5829005791199232

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkAAClip::setRegion
  SkRasterClip::convertToAA
  SkRasterClip::op
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=398502:398570
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=455516:455540

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv96CLAZbPGgbCVSbOn1z_k0zg4AgpLfSq5HGfHZd8-lauxWeq681OegsCIOCgeHtvogTrPqfspD01F1N5FIuANUqIaYFooGV-U_v0pbMpDm1wtJwKfFpjSolb2UdA0ruKWR0tKbCX2ZIZ5bWmFvcHqyGi7GWLg?testcase_id=5829005791199232


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 3 by ClusterFuzz, Mar 9 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5829005791199232 is verified as fixed, so closing issue.

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

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