New windowClick exploit

[yooniks]

Stack trace

[14:02:22] [Server thread/INFO]: [STDOUT] [net.minecraft.CrashReport] Negative index in crash report handler (0/18)
[14:02:22] [Server thread/ERROR]: Failed to handle packet net.minecraft.network.protocol.game.PacketPlayInWindowClick@49b02578, suppressing error
net.minecraft.ReportedException: Container click
	at net.minecraft.world.inventory.AbstractContainerMenu.clicked(AbstractContainerMenu.java:398) ~[?:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.handleContainerClick(ServerGamePacketListenerImpl.java:3363) ~[?:?]
	at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:58) ~[?:?]
	at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:23) ~[?:?]
	at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$0(PacketUtils.java:51) ~[?:?]
	at net.minecraft.server.TickTask.run(TickTask.java:18) ~[purpur-1.20.1.jar:git-Purpur-2057]
	at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?]
	at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
	at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1365) ~[purpur-1.20.1.jar:git-Purpur-2057]
	at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:197) ~[purpur-1.20.1.jar:git-Purpur-2057]
	at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
	at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1342) ~[purpur-1.20.1.jar:git-Purpur-2057]
	at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1335) ~[purpur-1.20.1.jar:git-Purpur-2057]
	at net.minecraft.util.thread.BlockableEventLoop.runAllTasks(BlockableEventLoop.java:114) ~[?:?]
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1451) ~[purpur-1.20.1.jar:git-Purpur-2057]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1191) ~[purpur-1.20.1.jar:git-Purpur-2057]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:322) ~[purpur-1.20.1.jar:git-Purpur-2057]
	at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.lang.ArrayIndexOutOfBoundsException

Plugin and Datapack List

The plugin are literally no important. It happens without plugins.

Actions to reproduce (if known)

https://i.imgur.com/wBNn90t.png

Paper version

git-Purpur-2057 (MC: 1.20.1)*

Other

No response

[electronicboy]

outside of the fact that we usually don't accept such reports on our issue tracker for new exploits,

1. Missing the actual causing exception
2. Unsupported version of not paper
3. Likely already fixed in the latest builds of paper