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Issue 837472 link

Starred by 2 users

Issue metadata

Status: Verified
Owner: ----
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Float-cast-overflow in blink::BaseRenderingContext2D::clearRect

Project Member Reported by ClusterFuzz, Apr 27 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5012457513549824

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::BaseRenderingContext2D::clearRect
  blink::CanvasRenderingContext2D::clearRect
  clearRectMethod
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=552707:552711

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5012457513549824

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Apr 27 2018

Components: Blink>Canvas
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Cc: pnangunoori@chromium.org
Labels: -Pri-2 M-68 Test-Predator-Wrong CF-NeedsTriage Pri-1
Unable to provide possible suspect using Predator, CL and Code Search.
Could someone please look into the issue.
Thank You.
Project Member

Comment 3 by ClusterFuzz, Apr 27 2018

ClusterFuzz has detected this issue as fixed in range 554111:554115.

Detailed report: https://clusterfuzz.com/testcase?key=5012457513549824

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::BaseRenderingContext2D::clearRect
  blink::CanvasRenderingContext2D::clearRect
  clearRectMethod
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=552707:552711
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=554111:554115

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5012457513549824

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 4 by ClusterFuzz, Apr 27 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5012457513549824 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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