From 56fe2ff535560a5b7e6461f5925479848b9a9994 Mon Sep 17 00:00:00 2001
From: Alex Barney <thealexbarney@gmail.com>
Date: Tue, 24 Oct 2023 09:26:25 -0700
Subject: [PATCH] Fix loading tickets from a Sha256PartitionFileSystem (#5844)
---
src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs b/src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs
index eaf481dd78..43bd277613 100644
--- a/src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs
+++ b/src/Ryujinx.HLE/FileSystem/VirtualFileSystem.cs
@@ -264,7 +264,16 @@ namespace Ryujinx.HLE.FileSystem
if (result.IsSuccess())
{
- Ticket ticket = new(ticketFile.Get.AsStream());
+ // When reading a file from a Sha256PartitionFileSystem, you can't start a read in the middle
+ // of the hashed portion (usually the first 0x200 bytes) of the file and end the read after
+ // the end of the hashed portion, so we read the ticket file using a single read.
+ byte[] ticketData = new byte[0x2C0];
+ result = ticketFile.Get.Read(out long bytesRead, 0, ticketData);
+
+ if (result.IsFailure() || bytesRead != ticketData.Length)
+ continue;
+
+ Ticket ticket = new(new MemoryStream(ticketData));
var titleKey = ticket.GetTitleKey(KeySet);
if (titleKey != null)