[Webkit-unassigned] [Bug 250569] Terminated worker memory leak

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=250569

Sam Verschueren <sam.verschueren at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |sam.verschueren at gmail.com

--- Comment #6 from Sam Verschueren <sam.verschueren at gmail.com> ---
Just want to step in here to say that I see the exact same behaviour when testing StackBlitz WebContainers (https://blog.stackblitz.com/posts/introducing-webcontainers/) in the latest Safari Technology Preview.

We spin up quite some worker (in combination with wasm) and after running some projects and refreshing the page, I also see the `RangeError: Out of Memory`. Just like Jake indicated, refreshing the page does not release the memory and I basically have to close the browser entirely.

When the error happens, and I try to create a memory object in the DevTools console like this, it also throws.

> new WebAssembly.Memory({initial:10, maximum:65535, shared:true})

However, if I set the `maximum` to something much lower like `10`, it works.

So I tried constructing those memory objects in a loop and see if it crashes at some point, but I was able to easily create 300.000 of those objects.

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