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Summary

JVM crashes on executing callback

What software is involved?

• Operating System: Windows 11
• winsparkle-java: 1.0.0

Steps to Reproduce

1. Define a callback class

public class CB implements win_sparkle_did_find_update_callback_t {
  @Override
  public void apply() {
  }
}

2. Set apply() method as the callback function to be executed

winsparkle_h.win_sparkle_set_did_find_update_callback(MemoryAllocator.ALLOCATE_CALLBACK_FOR(new CB()));

3. Trigger the callback function via WinSparkle

Expected Behavior

Callback function executes

Actual Behavior

JVM crashes

Reproducibility

Always

Relevant Log Output

See below

Anything else?

A bug report has been submitted upstream at https://bugreport.java.com/bugreport/crash.jsp