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Merge pull request #4152 from ogniK5377/ipc-err 

Mark invalid IPC buffers as ASSERT_OR_EXECUTE_MSG
This commit is contained in:
bunnei 2020-06-26 23:37:19 -04:00 committed by GitHub
parent 705cccb1e4 82ecdd0104
commit a91f92a89d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 25 deletions
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35
src/core/hle/kernel/hle_ipc.cpp
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@ -282,17 +282,17 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) {
} }
std::vector<u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) const { std::vector<u8> HLERequestContext::ReadBuffer(std::size_t buffer_index) const {
std::vector<u8> buffer; std::vector<u8> buffer{};
const bool is_buffer_a{BufferDescriptorA().size() > buffer_index && const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
BufferDescriptorA()[buffer_index].Size()}; BufferDescriptorA()[buffer_index].Size()};
if (is_buffer_a) { if (is_buffer_a) {
ASSERT_MSG(BufferDescriptorA().size() > buffer_index, ASSERT_OR_EXECUTE_MSG(BufferDescriptorA().size() > buffer_index, { return buffer; },
"BufferDescriptorA invalid buffer_index {}", buffer_index); "BufferDescriptorA invalid buffer_index {}", buffer_index);
buffer.resize(BufferDescriptorA()[buffer_index].Size()); buffer.resize(BufferDescriptorA()[buffer_index].Size());
memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), buffer.data(), buffer.size()); memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), buffer.data(), buffer.size());
} else { } else {
ASSERT_MSG(BufferDescriptorX().size() > buffer_index, ASSERT_OR_EXECUTE_MSG(BufferDescriptorX().size() > buffer_index, { return buffer; },
"BufferDescriptorX invalid buffer_index {}", buffer_index); "BufferDescriptorX invalid buffer_index {}", buffer_index);
buffer.resize(BufferDescriptorX()[buffer_index].Size()); buffer.resize(BufferDescriptorX()[buffer_index].Size());
memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), buffer.data(), buffer.size()); memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), buffer.data(), buffer.size());
@ -318,16 +318,16 @@ std::size_t HLERequestContext::WriteBuffer(const void* buffer, std::size_t size,
} }
if (is_buffer_b) { if (is_buffer_b) {
ASSERT_MSG(BufferDescriptorB().size() > buffer_index, ASSERT_OR_EXECUTE_MSG(BufferDescriptorB().size() > buffer_index &&
"BufferDescriptorB invalid buffer_index {}", buffer_index); BufferDescriptorB()[buffer_index].Size() >= size,
ASSERT_MSG(BufferDescriptorB()[buffer_index].Size() >= size, { return 0; }, "BufferDescriptorB is invalid, index={}, size={}",
"BufferDescriptorB buffer_index {} is not large enough", buffer_index); buffer_index, size);
memory.WriteBlock(BufferDescriptorB()[buffer_index].Address(), buffer, size); memory.WriteBlock(BufferDescriptorB()[buffer_index].Address(), buffer, size);
} else { } else {
ASSERT_MSG(BufferDescriptorC().size() > buffer_index, ASSERT_OR_EXECUTE_MSG(BufferDescriptorC().size() > buffer_index &&
"BufferDescriptorC invalid buffer_index {}", buffer_index); BufferDescriptorC()[buffer_index].Size() >= size,
ASSERT_MSG(BufferDescriptorC()[buffer_index].Size() >= size, { return 0; }, "BufferDescriptorC is invalid, index={}, size={}",
"BufferDescriptorC buffer_index {} is not large enough", buffer_index); buffer_index, size);
memory.WriteBlock(BufferDescriptorC()[buffer_index].Address(), buffer, size); memory.WriteBlock(BufferDescriptorC()[buffer_index].Address(), buffer, size);
} }
@ -338,16 +338,12 @@ std::size_t HLERequestContext::GetReadBufferSize(std::size_t buffer_index) const
const bool is_buffer_a{BufferDescriptorA().size() > buffer_index && const bool is_buffer_a{BufferDescriptorA().size() > buffer_index &&
BufferDescriptorA()[buffer_index].Size()}; BufferDescriptorA()[buffer_index].Size()};
if (is_buffer_a) { if (is_buffer_a) {
ASSERT_MSG(BufferDescriptorA().size() > buffer_index, ASSERT_OR_EXECUTE_MSG(BufferDescriptorA().size() > buffer_index, { return 0; },
"BufferDescriptorA invalid buffer_index {}", buffer_index); "BufferDescriptorA invalid buffer_index {}", buffer_index);
ASSERT_MSG(BufferDescriptorA()[buffer_index].Size() > 0,
"BufferDescriptorA buffer_index {} is empty", buffer_index);
return BufferDescriptorA()[buffer_index].Size(); return BufferDescriptorA()[buffer_index].Size();
} else { } else {
ASSERT_MSG(BufferDescriptorX().size() > buffer_index, ASSERT_OR_EXECUTE_MSG(BufferDescriptorX().size() > buffer_index, { return 0; },
"BufferDescriptorX invalid buffer_index {}", buffer_index); "BufferDescriptorX invalid buffer_index {}", buffer_index);
ASSERT_MSG(BufferDescriptorX()[buffer_index].Size() > 0,
"BufferDescriptorX buffer_index {} is empty", buffer_index);
return BufferDescriptorX()[buffer_index].Size(); return BufferDescriptorX()[buffer_index].Size();
} }
} }
@ -356,14 +352,15 @@ std::size_t HLERequestContext::GetWriteBufferSize(std::size_t buffer_index) cons
const bool is_buffer_b{BufferDescriptorB().size() > buffer_index && const bool is_buffer_b{BufferDescriptorB().size() > buffer_index &&
BufferDescriptorB()[buffer_index].Size()}; BufferDescriptorB()[buffer_index].Size()};
if (is_buffer_b) { if (is_buffer_b) {
ASSERT_MSG(BufferDescriptorB().size() > buffer_index, ASSERT_OR_EXECUTE_MSG(BufferDescriptorB().size() > buffer_index, { return 0; },
"BufferDescriptorB invalid buffer_index {}", buffer_index); "BufferDescriptorB invalid buffer_index {}", buffer_index);
return BufferDescriptorB()[buffer_index].Size(); return BufferDescriptorB()[buffer_index].Size();
} else { } else {
ASSERT_MSG(BufferDescriptorC().size() > buffer_index, ASSERT_OR_EXECUTE_MSG(BufferDescriptorC().size() > buffer_index, { return 0; },
"BufferDescriptorC invalid buffer_index {}", buffer_index); "BufferDescriptorC invalid buffer_index {}", buffer_index);
return BufferDescriptorC()[buffer_index].Size(); return BufferDescriptorC()[buffer_index].Size();
} }
return 0;
} }
std::string HLERequestContext::Description() const { std::string HLERequestContext::Description() const {