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canvas: Apply large size limitations (#36445)

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To prevent any potential crash/OOM issues with "canvas" element
from "rogue" applications let's apply large size limitations for context
canvas2d's draw target to Servo (similar approach in Firefox/Chromium -
they limits width and height to 32767/65535 pixels).

Fixes: #36155, #34117, #30164, #24710

--
- [x] ./mach build -d does not report any errors
- [x] ./mach test-tidy does not report any errors
- [x] There are tests for these changes

tests/wpt/tests/html/canvas/element/canvas-host/2d.canvas.host.size.large.html

tests/wpt/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.size.large.html

tests/wpt/tests/html/canvas/offscreen/canvas-host/2d.canvas.host.size.large.worker.js

Signed-off-by: Andrei Volykhin <andrei.volykhin@gmail.com>
This commit is contained in:
Andrei Volykhin 2025-04-29 16:48:30 +03:00 • committed by GitHub
parent bd6928f3dc
commit 6b2a755736
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7 changed files with 87 additions and 53 deletions
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2
tests/wpt/meta/html/canvas/element/canvas-host/2d.canvas.host.size.large.html.ini vendored
View file

@ -1,2 +0,0 @@
[2d.canvas.host.size.large.html]
expected: CRASH

2
tests/wpt/meta/html/canvas/offscreen/canvas-host/2d.canvas.host.size.large.html.ini vendored
View file

@ -1,2 +0,0 @@
[2d.canvas.host.size.large.html]
expected: CRASH

2
tests/wpt/meta/html/canvas/offscreen/canvas-host/2d.canvas.host.size.large.worker.js.ini vendored
View file

@ -1,2 +0,0 @@
[2d.canvas.host.size.large.worker.html]
expected: CRASH