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Unified Diff: test/unittests/wasm/function-body-decoder-unittest.cc

Issue 2640453003: [wasm] Fix and tighten memory validation (Closed)
Patch Set: Created 3 years, 11 months ago
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Index: test/unittests/wasm/function-body-decoder-unittest.cc
diff --git a/test/unittests/wasm/function-body-decoder-unittest.cc b/test/unittests/wasm/function-body-decoder-unittest.cc
index 66bbaa75807a103dc2e7d2f4932e5457ba5c01ee..196e2357c5e18ce48a0360d414ea7bd4ae5ba40b 100644
--- a/test/unittests/wasm/function-body-decoder-unittest.cc
+++ b/test/unittests/wasm/function-body-decoder-unittest.cc
@@ -201,6 +201,60 @@ class FunctionBodyDecoderTest : public TestWithZone {
}
};
+namespace {
+// A helper for tests that require a module environment for functions,
+// globals, or memories.
+class TestModuleEnv : public ModuleEnv {
+ public:
+ explicit TestModuleEnv(ModuleOrigin origin = kWasmOrigin)
+ : ModuleEnv(&mod, nullptr) {
+ mod.origin = origin;
+ }
+ byte AddGlobal(ValueType type, bool mutability = true) {
+ mod.globals.push_back({type, mutability, WasmInitExpr(), 0, false, false});
+ CHECK(mod.globals.size() <= 127);
+ return static_cast<byte>(mod.globals.size() - 1);
+ }
+ byte AddSignature(FunctionSig* sig) {
+ mod.signatures.push_back(sig);
+ CHECK(mod.signatures.size() <= 127);
+ return static_cast<byte>(mod.signatures.size() - 1);
+ }
+ byte AddFunction(FunctionSig* sig) {
+ mod.functions.push_back({sig, // sig
+ 0, // func_index
+ 0, // sig_index
+ 0, // name_offset
+ 0, // name_length
+ 0, // code_start_offset
+ 0, // code_end_offset
+ false, // import
+ false}); // export
+ CHECK(mod.functions.size() <= 127);
+ return static_cast<byte>(mod.functions.size() - 1);
+ }
+ byte AddImport(FunctionSig* sig) {
+ byte result = AddFunction(sig);
+ mod.functions[result].imported = true;
+ return result;
+ }
+
+ void InitializeMemory() {
+ mod.has_memory = true;
+ mod.min_mem_pages = 1;
+ mod.max_mem_pages = 100;
+ }
+
+ void InitializeFunctionTable() {
+ mod.function_tables.push_back(
+ {0, 0, true, std::vector<int32_t>(), false, false, SignatureMap()});
+ }
+
+ private:
+ WasmModule mod;
+};
+} // namespace
+
TEST_F(FunctionBodyDecoderTest, Int32Const1) {
byte code[] = {kExprI32Const, 0};
for (int i = -64; i <= 63; i++) {
@@ -1023,6 +1077,9 @@ TEST_F(FunctionBodyDecoderTest, TypeConversions) {
}
TEST_F(FunctionBodyDecoderTest, MacrosStmt) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
EXPECT_VERIFIES(v_i, WASM_SET_LOCAL(0, WASM_I32V_3(87348)));
EXPECT_VERIFIES(v_i, WASM_STORE_MEM(MachineType::Int32(), WASM_I32V_1(24),
WASM_I32V_1(40)));
@@ -1159,12 +1216,18 @@ TEST_F(FunctionBodyDecoderTest, AllSimpleExpressions) {
}
TEST_F(FunctionBodyDecoderTest, MemorySize) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
byte code[] = {kExprMemorySize, 0};
EXPECT_VERIFIES_C(i_i, code);
EXPECT_FAILURE_C(f_ff, code);
}
TEST_F(FunctionBodyDecoderTest, LoadMemOffset) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
for (int offset = 0; offset < 128; offset += 7) {
byte code[] = {kExprI32Const, 0, kExprI32LoadMem, ZERO_ALIGNMENT,
static_cast<byte>(offset)};
@@ -1173,6 +1236,9 @@ TEST_F(FunctionBodyDecoderTest, LoadMemOffset) {
}
TEST_F(FunctionBodyDecoderTest, LoadMemAlignment) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
struct {
WasmOpcode instruction;
uint32_t maximum_aligment;
@@ -1207,6 +1273,9 @@ TEST_F(FunctionBodyDecoderTest, LoadMemAlignment) {
}
TEST_F(FunctionBodyDecoderTest, StoreMemOffset) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
for (int offset = 0; offset < 128; offset += 7) {
byte code[] = {WASM_STORE_MEM_OFFSET(MachineType::Int32(), offset,
WASM_ZERO, WASM_ZERO)};
@@ -1215,6 +1284,9 @@ TEST_F(FunctionBodyDecoderTest, StoreMemOffset) {
}
TEST_F(FunctionBodyDecoderTest, StoreMemOffset_void) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
EXPECT_FAILURE(i_i, WASM_STORE_MEM_OFFSET(MachineType::Int32(), 0, WASM_ZERO,
WASM_ZERO));
}
@@ -1230,6 +1302,9 @@ TEST_F(FunctionBodyDecoderTest, StoreMemOffset_void) {
#define VARINT4(x) BYTE0(x) | 0x80, BYTE1(x) | 0x80, BYTE2(x) | 0x80, BYTE3(x)
TEST_F(FunctionBodyDecoderTest, LoadMemOffset_varint) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
EXPECT_VERIFIES(i_i, WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT,
VARINT1(0x45));
EXPECT_VERIFIES(i_i, WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT,
@@ -1241,6 +1316,9 @@ TEST_F(FunctionBodyDecoderTest, LoadMemOffset_varint) {
}
TEST_F(FunctionBodyDecoderTest, StoreMemOffset_varint) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
EXPECT_VERIFIES(v_i, WASM_ZERO, WASM_ZERO, kExprI32StoreMem, ZERO_ALIGNMENT,
VARINT1(0x33));
EXPECT_VERIFIES(v_i, WASM_ZERO, WASM_ZERO, kExprI32StoreMem, ZERO_ALIGNMENT,
@@ -1252,6 +1330,9 @@ TEST_F(FunctionBodyDecoderTest, StoreMemOffset_varint) {
}
TEST_F(FunctionBodyDecoderTest, AllLoadMemCombinations) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
for (size_t i = 0; i < arraysize(kValueTypes); i++) {
ValueType local_type = kValueTypes[i];
for (size_t j = 0; j < arraysize(machineTypes); j++) {
@@ -1268,6 +1349,9 @@ TEST_F(FunctionBodyDecoderTest, AllLoadMemCombinations) {
}
TEST_F(FunctionBodyDecoderTest, AllStoreMemCombinations) {
+ TestModuleEnv module_env;
+ module = &module_env;
+ module_env.InitializeMemory();
for (size_t i = 0; i < arraysize(kValueTypes); i++) {
ValueType local_type = kValueTypes[i];
for (size_t j = 0; j < arraysize(machineTypes); j++) {
@@ -1283,54 +1367,6 @@ TEST_F(FunctionBodyDecoderTest, AllStoreMemCombinations) {
}
}
-namespace {
-// A helper for tests that require a module environment for functions and
-// globals.
-class TestModuleEnv : public ModuleEnv {
- public:
- explicit TestModuleEnv(ModuleOrigin origin = kWasmOrigin)
- : ModuleEnv(&mod, nullptr) {
- mod.origin = origin;
- }
- byte AddGlobal(ValueType type, bool mutability = true) {
- mod.globals.push_back({type, mutability, WasmInitExpr(), 0, false, false});
- CHECK(mod.globals.size() <= 127);
- return static_cast<byte>(mod.globals.size() - 1);
- }
- byte AddSignature(FunctionSig* sig) {
- mod.signatures.push_back(sig);
- CHECK(mod.signatures.size() <= 127);
- return static_cast<byte>(mod.signatures.size() - 1);
- }
- byte AddFunction(FunctionSig* sig) {
- mod.functions.push_back({sig, // sig
- 0, // func_index
- 0, // sig_index
- 0, // name_offset
- 0, // name_length
- 0, // code_start_offset
- 0, // code_end_offset
- false, // import
- false}); // export
- CHECK(mod.functions.size() <= 127);
- return static_cast<byte>(mod.functions.size() - 1);
- }
- byte AddImport(FunctionSig* sig) {
- byte result = AddFunction(sig);
- mod.functions[result].imported = true;
- return result;
- }
-
- void InitializeFunctionTable() {
- mod.function_tables.push_back(
- {0, 0, true, std::vector<int32_t>(), false, false, SignatureMap()});
- }
-
- private:
- WasmModule mod;
-};
-} // namespace
-
TEST_F(FunctionBodyDecoderTest, SimpleCalls) {
FunctionSig* sig = sigs.i_i();
TestModuleEnv module_env;
@@ -1665,6 +1701,7 @@ TEST_F(FunctionBodyDecoderTest, AllSetGlobalCombinations) {
TEST_F(FunctionBodyDecoderTest, WasmGrowMemory) {
TestModuleEnv module_env;
module = &module_env;
+ module_env.InitializeMemory();
byte code[] = {WASM_GET_LOCAL(0), kExprGrowMemory, 0};
EXPECT_VERIFIES_C(i_i, code);
@@ -1674,6 +1711,7 @@ TEST_F(FunctionBodyDecoderTest, WasmGrowMemory) {
TEST_F(FunctionBodyDecoderTest, AsmJsGrowMemory) {
TestModuleEnv module_env(kAsmJsOrigin);
module = &module_env;
+ module_env.InitializeMemory();
byte code[] = {WASM_GET_LOCAL(0), kExprGrowMemory, 0};
EXPECT_FAILURE_C(i_i, code);
@@ -1705,6 +1743,7 @@ TEST_F(FunctionBodyDecoderTest, AsmJsBinOpsCheckOrigin) {
{
TestModuleEnv module_env(kAsmJsOrigin);
module = &module_env;
+ module_env.InitializeMemory();
for (size_t i = 0; i < arraysize(AsmJsBinOps); i++) {
TestBinop(AsmJsBinOps[i].op, AsmJsBinOps[i].sig);
}
@@ -1713,6 +1752,7 @@ TEST_F(FunctionBodyDecoderTest, AsmJsBinOpsCheckOrigin) {
{
TestModuleEnv module_env;
module = &module_env;
+ module_env.InitializeMemory();
for (size_t i = 0; i < arraysize(AsmJsBinOps); i++) {
byte code[] = {
WASM_BINOP(AsmJsBinOps[i].op, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1))};
@@ -1751,6 +1791,7 @@ TEST_F(FunctionBodyDecoderTest, AsmJsUnOpsCheckOrigin) {
{
TestModuleEnv module_env(kAsmJsOrigin);
module = &module_env;
+ module_env.InitializeMemory();
for (size_t i = 0; i < arraysize(AsmJsUnOps); i++) {
TestUnop(AsmJsUnOps[i].op, AsmJsUnOps[i].sig);
}
@@ -1759,6 +1800,7 @@ TEST_F(FunctionBodyDecoderTest, AsmJsUnOpsCheckOrigin) {
{
TestModuleEnv module_env;
module = &module_env;
+ module_env.InitializeMemory();
for (size_t i = 0; i < arraysize(AsmJsUnOps); i++) {
byte code[] = {WASM_UNOP(AsmJsUnOps[i].op, WASM_GET_LOCAL(0))};
EXPECT_FAILURE_SC(AsmJsUnOps[i].sig, code);
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