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-rw-r--r--src/core/hle/kernel/hle_ipc.cpp19
-rw-r--r--src/tests/core/hle/kernel/hle_ipc.cpp23
2 files changed, 35 insertions, 7 deletions
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index 1cac1d0c9..5ebe2eca4 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -67,10 +67,13 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const u32_le* sr
ASSERT(i + num_handles <= command_size); // TODO(yuriks): Return error
for (u32 j = 0; j < num_handles; ++j) {
Handle handle = src_cmdbuf[i];
- SharedPtr<Object> object = src_table.GetGeneric(handle);
- ASSERT(object != nullptr); // TODO(yuriks): Return error
- if (descriptor == IPC::DescriptorType::MoveHandle) {
- src_table.Close(handle);
+ SharedPtr<Object> object = nullptr;
+ if (handle != 0) {
+ object = src_table.GetGeneric(handle);
+ ASSERT(object != nullptr); // TODO(yuriks): Return error
+ if (descriptor == IPC::DescriptorType::MoveHandle) {
+ src_table.Close(handle);
+ }
}
cmd_buf[i++] = AddOutgoingHandle(std::move(object));
@@ -112,9 +115,11 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(u32_le* dst_cmdbuf, P
ASSERT(i + num_handles <= command_size);
for (u32 j = 0; j < num_handles; ++j) {
SharedPtr<Object> object = GetIncomingHandle(cmd_buf[i]);
-
- // TODO(yuriks): Figure out the proper error handling for if this fails
- Handle handle = dst_table.Create(object).Unwrap();
+ Handle handle = 0;
+ if (object != nullptr) {
+ // TODO(yuriks): Figure out the proper error handling for if this fails
+ handle = dst_table.Create(object).Unwrap();
+ }
dst_cmdbuf[i++] = handle;
}
break;
diff --git a/src/tests/core/hle/kernel/hle_ipc.cpp b/src/tests/core/hle/kernel/hle_ipc.cpp
index e07a28c5b..6feca2ba3 100644
--- a/src/tests/core/hle/kernel/hle_ipc.cpp
+++ b/src/tests/core/hle/kernel/hle_ipc.cpp
@@ -94,6 +94,18 @@ TEST_CASE("HLERequestContext::PopoulateFromIncomingCommandBuffer", "[core][kerne
REQUIRE(context.GetIncomingHandle(output[5]) == c);
}
+ SECTION("translates null handles") {
+ const u32_le input[]{
+ IPC::MakeHeader(0, 0, 2), IPC::MoveHandleDesc(1), 0,
+ };
+
+ auto result = context.PopulateFromIncomingCommandBuffer(input, *process, handle_table);
+
+ REQUIRE(result == RESULT_SUCCESS);
+ auto* output = context.CommandBuffer();
+ REQUIRE(context.GetIncomingHandle(output[2]) == nullptr);
+ }
+
SECTION("translates CallingPid descriptors") {
const u32_le input[]{
IPC::MakeHeader(0, 0, 2), IPC::CallingPidDesc(), 0x98989898,
@@ -171,6 +183,17 @@ TEST_CASE("HLERequestContext::WriteToOutgoingCommandBuffer", "[core][kernel]") {
REQUIRE(handle_table.GetGeneric(output[4]) == b);
}
+ SECTION("translates null handles") {
+ input[0] = IPC::MakeHeader(0, 0, 2);
+ input[1] = IPC::MoveHandleDesc(1);
+ input[2] = context.AddOutgoingHandle(nullptr);
+
+ auto result = context.WriteToOutgoingCommandBuffer(output, *process, handle_table);
+
+ REQUIRE(result == RESULT_SUCCESS);
+ REQUIRE(output[2] == 0);
+ }
+
SECTION("translates multi-handle descriptors") {
auto a = MakeObject();
auto b = MakeObject();