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Added overflow checks after multiplication operation is executed.

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This commit is contained in:
Matheus Aguiar
2022-08-12 10:18:05 -03:00
parent c48be40ab8
commit 2282ea5e56
21 changed files with 243 additions and 104 deletions
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test/libsolidity/semanticTests/abiEncoderV2/storage_array_encoding.sol
+2 -2
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@@ -18,10 +18,10 @@ contract C {
// EVMVersion: >homestead
// ----
// h(uint256[2][]): 0x20, 3, 123, 124, 223, 224, 323, 324 -> 32, 256, 0x20, 3, 123, 124, 223, 224, 323, 324
// gas irOptimized: 180726
// gas irOptimized: 180829
// gas legacy: 184921
// gas legacyOptimized: 181506
// i(uint256[2][2]): 123, 124, 223, 224 -> 32, 128, 123, 124, 223, 224
// gas irOptimized: 112453
// gas irOptimized: 112464
// gas legacy: 115460
// gas legacyOptimized: 112990
test/libsolidity/semanticTests/array/copying/array_copy_including_array.sol
+4 -4
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@@ -35,12 +35,12 @@ contract c {
}
// ----
// test() -> 0x02000202
// gas irOptimized: 4649903
// gas legacy: 4578320
// gas legacyOptimized: 4548312
// gas irOptimized: 4649835
// gas legacy: 4578446
// gas legacyOptimized: 4548309
// storageEmpty -> 1
// clear() -> 0, 0
// gas irOptimized: 4477229
// gas irOptimized: 4477223
// gas legacy: 4410748
// gas legacyOptimized: 4382489
// storageEmpty -> 1
test/libsolidity/semanticTests/array/copying/array_copy_nested_array.sol
+1 -1
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@@ -13,6 +13,6 @@ contract c {
// ----
// test(uint256[2][]): 32, 3, 7, 8, 9, 10, 11, 12 -> 10
// gas irOptimized: 689768
// gas irOptimized: 689759
// gas legacy: 686268
// gas legacyOptimized: 685688
test/libsolidity/semanticTests/array/copying/array_copy_storage_storage_struct.sol
+1 -1
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@@ -17,7 +17,7 @@ contract c {
}
// ----
// test() -> 4, 5
// gas irOptimized: 238692
// gas irOptimized: 238623
// gas legacy: 238736
// gas legacyOptimized: 237159
// storageEmpty -> 1
test/libsolidity/semanticTests/array/copying/array_copy_target_leftover.sol
+3 -3
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@@ -19,6 +19,6 @@ contract c {
// compileToEwasm: also
// ----
// test() -> 0xffffffff, 0x0000000000000000000000000a00090008000700060005000400030002000100, 0x0000000000000000000000000000000000000000000000000000000000000000
// gas irOptimized: 124817
// gas legacy: 186028
// gas legacyOptimized: 165692
// gas irOptimized: 124910
// gas legacy: 187414
// gas legacyOptimized: 165659
test/libsolidity/semanticTests/array/copying/array_nested_calldata_to_storage.sol
+1 -1
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@@ -42,6 +42,6 @@ contract c {
// test2(uint256[][2]): 0x20, 0x40, 0x40, 2, 23, 42 -> 2, 65
// gas irOptimized: 157567
// test3(uint256[2][]): 0x20, 2, 23, 42, 23, 42 -> 2, 65
// gas irOptimized: 134633
// gas irOptimized: 134644
// test4(uint256[2][2]): 23, 42, 23, 42 -> 65
// gas irOptimized: 111271
test/libsolidity/semanticTests/array/copying/array_of_struct_calldata_to_storage.sol
+1 -1
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@@ -17,4 +17,4 @@ contract C {
// compileViaYul: true
// ----
// f((uint128,uint64,uint128)[]): 0x20, 3, 0, 0, 12, 0, 11, 0, 10, 0, 0 -> 10, 11, 12
// gas irOptimized: 119740
// gas irOptimized: 119737
test/libsolidity/semanticTests/externalContracts/base64.sol
+9 -9
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@@ -33,9 +33,9 @@ contract test {
// EVMVersion: >=constantinople
// ----
// constructor()
// gas irOptimized: 441142
// gas legacy: 755907
// gas legacyOptimized: 538354
// gas irOptimized: 438352
// gas legacy: 750723
// gas legacyOptimized: 536620
// encode_inline_asm(bytes): 0x20, 0 -> 0x20, 0
// encode_inline_asm(bytes): 0x20, 1, "f" -> 0x20, 4, "Zg=="
// encode_inline_asm(bytes): 0x20, 2, "fo" -> 0x20, 4, "Zm8="
@@ -51,10 +51,10 @@ contract test {
// encode_no_asm(bytes): 0x20, 5, "fooba" -> 0x20, 8, "Zm9vYmE="
// encode_no_asm(bytes): 0x20, 6, "foobar" -> 0x20, 8, "Zm9vYmFy"
// encode_inline_asm_large()
// gas irOptimized: 1382042
// gas legacy: 1646033
// gas legacyOptimized: 1206033
// gas irOptimized: 1387042
// gas legacy: 1688033
// gas legacyOptimized: 1205033
// encode_no_asm_large()
// gas irOptimized: 3311099
// gas legacy: 4723077
// gas legacyOptimized: 2909077
// gas irOptimized: 3316099
// gas legacy: 4765077
// gas legacyOptimized: 2908077
test/libsolidity/semanticTests/externalContracts/ramanujan_pi.sol
+4 -4
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@@ -33,10 +33,10 @@ contract test {
}
// ----
// constructor()
// gas irOptimized: 422763
// gas legacy: 654526
// gas legacyOptimized: 474842
// gas irOptimized: 430305
// gas legacy: 649335
// gas legacyOptimized: 473132
// prb_pi() -> 3141592656369545286
// gas irOptimized: 57478
// gas legacy: 98903
// gas legacy: 103112
// gas legacyOptimized: 75735
test/libsolidity/semanticTests/externalContracts/snark.sol
+1 -1
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@@ -297,5 +297,5 @@ contract Test {
// verifyTx() -> true
// ~ emit Verified(string): 0x20, 0x16, "Successfully verified."
// gas irOptimized: 95261
// gas legacy: 113239
// gas legacy: 116473
// gas legacyOptimized: 83670
test/libsolidity/semanticTests/externalContracts/strings.sol
+6 -6
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@@ -49,9 +49,9 @@ contract test {
}
// ----
// constructor()
// gas irOptimized: 675980
// gas legacy: 1101298
// gas legacyOptimized: 743666
// gas irOptimized: 670586
// gas legacy: 1096108
// gas legacyOptimized: 741962
// toSlice(string): 0x20, 11, "hello world" -> 11, 0xa0
// gas irOptimized: 22660
// gas legacy: 23190
@@ -69,6 +69,6 @@ contract test {
// gas legacy: 31621
// gas legacyOptimized: 27914
// benchmark(string,bytes32): 0x40, 0x0842021, 8, "solidity" -> 0x2020
// gas irOptimized: 2017767
// gas legacy: 4294510
// gas legacyOptimized: 2327982
// gas irOptimized: 2017770
// gas legacy: 4294552
// gas legacyOptimized: 2327981
test/libsolidity/semanticTests/salted_create/salted_create_with_value.sol
+3 -3
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@@ -21,6 +21,6 @@ contract A {
// EVMVersion: >=constantinople
// ----
// f(), 10 ether -> 3007, 3008, 3009
// gas irOptimized: 268645
// gas legacy: 402016
// gas legacyOptimized: 288087
// gas irOptimized: 255997
// gas legacy: 387712
// gas legacyOptimized: 283266
test/libsolidity/semanticTests/viaYul/detect_mul_overflow_signed.sol
+21
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@@ -5,6 +5,9 @@ contract C {
function g(int8 a, int8 b) public pure returns (int8 x) {
x = a * b;
}
function h(int160 a, int160 b) public pure returns (int160 x) {
x = a * b;
}
}
// ====
// compileToEwasm: also
@@ -15,6 +18,9 @@ contract C {
// f(int256,int256): 0x3FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF, 2 -> 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE
// f(int256,int256): 0x4000000000000000000000000000000000000000000000000000000000000000, 2 -> FAILURE, hex"4e487b71", 0x11
// f(int256,int256): 2, 0x3FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF -> 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE
// f(int256,int256): 2, 0x4000000000000000000000000000000000000000000000000000000000000000 -> FAILURE, hex"4e487b71", 0x11
// f(int256,int256): -1, 0x8000000000000000000000000000000000000000000000000000000000000000 -> FAILURE, hex"4e487b71", 0x11
// f(int256,int256): 0x8000000000000000000000000000000000000000000000000000000000000000, -1 -> FAILURE, hex"4e487b71", 0x11
// f(int256,int256): 2, 0x4000000000000000000000000000000000000000000000000000000000000000 -> FAILURE, hex"4e487b71", 0x11 # positive, negative #
// f(int256,int256): 2, 0x4000000000000000000000000000000000000000000000000000000000000000 -> FAILURE, hex"4e487b71", 0x11 # positive, negative #
// f(int256,int256): 2, 0x4000000000000000000000000000000000000000000000000000000000000000 -> FAILURE, hex"4e487b71", 0x11 # positive, negative #
@@ -61,3 +67,18 @@ contract C {
// g(int8,int8): -64, -2 -> FAILURE, hex"4e487b71", 0x11
// g(int8,int8): -2, -63 -> 126
// g(int8,int8): -2, -64 -> FAILURE, hex"4e487b71", 0x11
// h(int160,int160): -1, 1 -> -1
// h(int160,int160): 1, -1 -> -1
// h(int160,int160): -1, 2 -> -2
// h(int160,int160): 2, -1 -> -2
// h(int160,int160): -1, 0xFFFFFFFFFFFFFFFFFFFFFFFF8000000000000000000000000000000000000000 -> FAILURE, hex"4e487b71", 0x11
// h(int160,int160): -1, 0xFFFFFFFFFFFFFFFFFFFFFFFF8000000000000000000000000000000000000000 -> FAILURE, hex"4e487b71", 0x11
// h(int160,int160): 0xFFFFFFFFFFFFFFFFFFFFFFFF8000000000000000000000000000000000000000, -1 -> FAILURE, hex"4e487b71", 0x11
// h(int160,int160): 0x0000000000000000000000004000000000000000000000000000000000000000, -2 -> 0xFFFFFFFFFFFFFFFFFFFFFFFF8000000000000000000000000000000000000000
// h(int160,int160): -2, 0x0000000000000000000000004000000000000000000000000000000000000000 -> 0xFFFFFFFFFFFFFFFFFFFFFFFF8000000000000000000000000000000000000000
// h(int160,int160): -2, 0x0000000000000000000000004000000000000000000000000000000000000001 -> FAILURE, hex"4e487b71", 0x11
// h(int160,int160): 0x0000000000000000000000004000000000000000000000000000000000000001, -2 -> FAILURE, hex"4e487b71", 0x11
// h(int160,int160): 0x0000000000000000000000004000000000000000000000000000000000000001, 2 -> FAILURE, hex"4e487b71", 0x11
// h(int160,int160): 2, 0x0000000000000000000000004000000000000000000000000000000000000001 -> FAILURE, hex"4e487b71", 0x11
// h(int160,int160): 0x0000000000000000000000003FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF, 2 -> 0x0000000000000000000000007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE
// h(int160,int160): 2, 0x0000000000000000000000004000000000000000000000000000000000000001 -> FAILURE, hex"4e487b71", 0x11