[Webkit-unassigned] [Bug 280059] New: struct.get null pointer error on a WASM Compose project

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=280059

            Bug ID: 280059
           Summary: struct.get null pointer error on a WASM Compose
                    project
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Mac (Apple Silicon)
                OS: macOS 15
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebAssembly
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: 2448.rok at gmail.com

Created attachment 472612

  --> https://bugs.webkit.org/attachment.cgi?id=472612&action=review

scerenshot of the error in Safari console

This page contains has a deployed Jetpack Compose WASM project:

https://oblakr24.github.io/KMPDatePicker/


(repo: https://github.com/oblakr24/KMPDatePicker)

It opens up successfully, however clicking the buttons intermittently causes the exception (see screenshot):

RuntimeError: struct.get to a null reference (evaluating 't()')

A very similar error happens on this site:

https://shreyashkore.github.io/wonderous-compose-wasm/

The error appears to be specific to Safari Technology Preview, and does not happen on other (non-Safari) browsers.

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