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Issue metadata

Status: Duplicate
Merged: issue 860487
Owner: ----
Closed: Jul 16
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::CanvasRenderingContext2D::DrawTextInternal

Project Member Reported by ClusterFuzz, Jul 15

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6146349243039744

Fuzzer: inferno_canvas_wrecker
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::CanvasRenderingContext2D::DrawTextInternal
  blink::CanvasRenderingContext2D::strokeText
  blink::V8CanvasRenderingContext2D::strokeTextMethodCallback
  
Sanitizer: undefined (UBSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6146349243039744

Issue filed automatically.

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

Note: This crash might not be reproducible with the provided testcase. That said, for the past 14 days we've been seeing this crash frequently. If you are unable to reproduce this, please try a speculative fix based on the crash stacktrace in the report. The fix can be verified by looking at the crash statistics in the report, a day after the fix is deployed. We will auto-close the bug if the crash is not seen for 14 days.
 
Project Member

Comment 1 by ClusterFuzz, Jul 15

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.
未命名文件.pdf
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未命名文件.pdf
13.7 KB Download
Cc: kkaluri@chromium.org
Mergedinto: 860487
Status: Duplicate (was: Untriaged)
This looks similar to   Issue 860487  , hence merging into it.
Please undo it, if it not the case...

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