From 7e3561b1cd3175d4e3104f03498adf03aca469bf Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sun, 7 Jan 2018 01:59:31 -0500
Subject: [PATCH] IPC: Don't attempt to read the command buffer if it holds a
Close request.
---
src/core/hle/kernel/hle_ipc.cpp | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index 518e44f338..0ab28c0a2e 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -102,6 +102,11 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(u32_le* src_cmdb
Process& src_process,
HandleTable& src_table) {
ParseCommandBuffer(src_cmdbuf, true);
+ if (command_header->type == IPC::CommandType::Close) {
+ // Close does not populate the rest of the IPC header
+ return RESULT_SUCCESS;
+ }
+
// The data_size already includes the payload header, the padding and the domain header.
size_t size = data_payload_offset + command_header->data_size -
sizeof(IPC::DataPayloadHeader) / sizeof(u32) - 4;