fix: subtract FileNameLength size from buffer length

BinToss · BinToss · commit 008788023be6 · 2023-05-07T20:42:01.000-07:00
diff --git a/deadlock-dotnet-sdk/Domain/SafeFileHandleEx.cs b/deadlock-dotnet-sdk/Domain/SafeFileHandleEx.cs
@@ -422,7 +422,7 @@ public unsafe (string? v, Exception? ex) FileNameInfo
                 {
                     Buffer = new PWSTR((char*)(((FILE_NAME_INFO*)safeBuffer.DangerousGetHandle()) + sizeof(int))),
                     Length = (ushort)fni.FileNameLength,
-                    MaximumLength = (ushort)bufferLength
+                    MaximumLength = (ushort)(bufferLength - sizeof(int))
                 };
 
                 /* The string conversion copies the data to a new string in the managed heap before freeing safeBuffer and leaving this context. */

Original file line number	Diff line number	Diff line change
`@@ -422,7 +422,7 @@ public unsafe (string? v, Exception? ex) FileNameInfo`
`422`	`422`	`{`
`423`	`423`	`Buffer = new PWSTR((char)(((FILE_NAME_INFO)safeBuffer.DangerousGetHandle()) + sizeof(int))),`
`424`	`424`	`Length = (ushort)fni.FileNameLength,`
`425`		`- MaximumLength = (ushort)bufferLength`
	`425`	`+ MaximumLength = (ushort)(bufferLength - sizeof(int))`
`426`	`426`	`};`
`427`	`427`
`428`	`428`	`/* The string conversion copies the data to a new string in the managed heap before freeing safeBuffer and leaving this context. */`