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Fix implicit-integer-sign-change in arith_uint256

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MarcoFalke 2022-01-13 15:57:25 +01:00
parent 290ff5ef6d
commit fa99e108e7
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GPG Key ID: CE2B75697E69A548
2 changed files with 2 additions and 3 deletions
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4
src/arith_uint256.cpp
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@ -96,7 +96,7 @@ base_uint<BITS>& base_uint<BITS>::operator/=(const base_uint& b)
while (shift >= 0) {
if (num >= div) {
num -= div;
pn[shift / 32] |= (1 << (shift & 31)); // set a bit of the result.
pn[shift / 32] |= (1U << (shift & 31)); // set a bit of the result.
}
div >>= 1; // shift back.
shift--;
@ -236,7 +236,7 @@ uint32_t arith_uint256::GetCompact(bool fNegative) const
nCompact >>= 8;
nSize++;
}
assert((nCompact & ~0x007fffff) == 0);
assert((nCompact & ~0x007fffffU) == 0);
assert(nSize < 256);
nCompact |= nSize << 24;
nCompact |= (fNegative && (nCompact & 0x007fffff) ? 0x00800000 : 0);

1
test/sanitizer_suppressions/ubsan
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@ -62,7 +62,6 @@ unsigned-integer-overflow:txmempool.cpp
unsigned-integer-overflow:util/strencodings.cpp
unsigned-integer-overflow:validation.cpp
implicit-integer-sign-change:addrman.h
implicit-integer-sign-change:arith_uint256.cpp
implicit-integer-sign-change:bech32.cpp
implicit-integer-sign-change:common/bloom.cpp
implicit-integer-sign-change:chain.cpp