[Bug 48360] New: osu: .NET framework IndexOutOfRangeException crash

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48360

            Bug ID: 48360
           Summary: osu: .NET framework IndexOutOfRangeException crash
           Product: Wine
           Version: 4.16
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: wine-bugs at winehq.org
          Reporter: bugs.winehq at webfreak.org
                CC: julliard at winehq.org
   Regression SHA1: df3fad6383e79d1485413ad549c55240843d2418
      Distribution: ArchLinux

Created attachment 66104
  --> https://bugs.winehq.org/attachment.cgi?id=66104
crash log occuring with wine 4.16

since wine 4.16 the game "osu!" started crashing often. For more
application-specific context see the bug report there for more details:
https://github.com/ppy/osu-stable-issues/issues/284

It seems that on Windows no such issue is present and prior to wine 4.15 this
bug was not present. It seems to be an issue somewhere with array indexing on
.NET inside some rendering function. This crash occurs when starting the game
"osu!" and then moving the mouse cursor relatively quickly (causing longer
lines to be rendered)

The issue in wine seems to be that the behavior of the page faults has changed
in df3fad6383e79d1485413ad549c55240843d2418 so that now it started to throw
array index exceptions which don't happen on Windows.

I have attached the full application log with ntdll warn log up with the crash
with Wine 4.16 (precompiled from ArchLinux archives)

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