New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 774757 link

Starred by 2 users

Issue metadata

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



Sign in to add a comment

Integer-overflow in walk_convex_edges

Project Member Reported by ClusterFuzz, Oct 14 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6534112566575104

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  walk_convex_edges
  sk_fill_path
  SkScan::FillPath
  
Sanitizer: undefined (UBSAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6534112566575104

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Components: Internals>Skia
Labels: M-62 Test-Predator-Wrong
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, Feb 16 2018

ClusterFuzz has detected this issue as fixed in range 537122:537160.

Detailed report: https://clusterfuzz.com/testcase?key=6534112566575104

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

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  walk_convex_edges
  sk_fill_path
  SkScan::FillPath
  
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=537122:537160

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6534112566575104

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, Feb 16 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6534112566575104 is verified as fixed, so closing issue as verified.

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

Sign in to add a comment