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Issue metadata

Status: Verified
Owner: ----
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in aa_square_proc

Project Member Reported by ClusterFuzz, Apr 30 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4511840458768384

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  aa_square_proc
  SkDraw::drawPoints
  SkDraw::drawPoints
  
Sanitizer: undefined (UBSAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4511840458768384


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Internals>Skia
Labels: Test-Predator-Wrong-CLs M-59
Project Member

Comment 2 by ClusterFuzz, Jan 19 2018

Cc: egdaniel@google.com caryclark@google.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Add support for finding/creating general GrVkRenderPass from the VkResourceProvider. by egdaniel@google.com - https://chromium.googlesource.com/skia/+/2feb0938dcf223da3641daf15f5d525db88a6967

fix pathops fuzz bugs by caryclark@google.com - https://chromium.googlesource.com/skia/+/dae6b97705fde08958b1a36fa6ce685d28fc692c

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Cc: reed@google.com
Project Member

Comment 4 by ClusterFuzz, Jan 20 2018

ClusterFuzz has detected this issue as fixed in range 530569:530573.

Detailed report: https://clusterfuzz.com/testcase?key=4511840458768384

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  aa_square_proc
  SkDraw::drawPoints
  SkDraw::drawPoints
  
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=530569:530573

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4511840458768384

See https://github.com/google/clusterfuzz-tools 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, Jan 20 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4511840458768384 is verified as fixed, so closing issue as verified.

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

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