VM crash when using the auto-scale method "smooth"

[fedejeanne]

(Initially reported in vi-eclipse/Eclipse-Platform#214)

Describe the bug
(Maybe a bigger issue was uncovered by #1736).

The VM crashes when moving a window between two monitors with different zoom levels and auto-scaling in active.

To Reproduce

• 125% monitor on the left (primary)
• 200% monitor on the right
• Start the ControlExample with the following VM parameters:

-Dswt.autoScale=quarter
-Dswt.autoScale.updateOnRuntime=true

• Drag the application window back and forth between monitors as quick as possible.

This crash then occurs:

# A fatal error has been detected by the Java Runtime Environment:
#
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ffbc5136e4d, pid=48724, tid=40368
#
# JRE version: OpenJDK Runtime Environment (23.0.1+11) (build 23.0.1+11-39)
# Java VM: OpenJDK 64-Bit Server VM (23.0.1+11-39, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, windows-amd64)
# Problematic frame:
# C  [swt-win32-4968r4.dll+0x76e4d]
#
# No core dump will be written. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# C:\Users\akoch\eclipse\platform-sdk\git\eclipse.platform.swt\examples\org.eclipse.swt.examples\hs_err_pid48724.log
[21.190s][warning][os] Loading hsdis library failed
#
# If you would like to submit a bug report, please visit:
#   https://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
[0124/102633.433:ERROR:window_impl.cc(121)] Failed to unregister class Chrome_WidgetWin_0. Error = 1412

Expected behavior
The VM shouldn't crash.

Environment:

1. Select the platform(s) on which the behavior is seen:

• • All OS
• • Windows
• • Linux
• • macOS

2. Additional OS info (e.g. OS version, Linux Desktop, etc)

Seen on Windows 10 and Windows 11

3. JRE/JDK version

 openjdk version "17.0.13" 2024-10-15
OpenJDK Runtime Environment Temurin-17.0.13+11 (build 17.0.13+11)
OpenJDK 64-Bit Server VM Temurin-17.0.13+11 (build 17.0.13+11, mixed mode, sharing)

Version since
4.35 (I-BUILD 20250121-1800 according to the tags)

Workaround
None

Additional context
I initially thought that the error was because of the (unintended) switching between auto-scale method NEAREST to SMOOTH when dragging the window to the other monitor, but it turns out it crashes even when the auto-scale method is SMOOTH from the very beginning. this is why I changed the details in To reproduce so that the mode is always SMOOTH

[fedejeanne]

As mentioned in vi-eclipse/Eclipse-Platform#214 (comment), merging #1790 fixes this issue. I just tried it.

fyi @ShahzaibIbrahim , @akoch-yatta