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Fix undefined behavior code (#464)

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* Fix UB in arithmetics

* Fix misaligned allocations in validator sessions

* Fix integer overflow in bigint.hpp

* Fix potential UB

Co-authored-by: SpyCheese <mikle98@yandex.ru>
This commit is contained in:
EmelyanenkoK 2022-09-19 17:31:54 +03:00 • committed by GitHub
parent 440d06962a
commit 9c6787d2ff
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8 changed files with 86 additions and 71 deletions
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7
crypto/tl/tlblib.cpp
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@ -125,8 +125,11 @@ bool TupleT::validate_skip(int* ops, vm::CellSlice& cs, bool weak) const {
}
bool TLB::validate_ref_internal(int* ops, Ref<vm::Cell> cell_ref, bool weak) const {
if (ops && --*ops < 0) {
return false;
if (ops) {
if (*ops <= 0) {
return false;
}
--*ops;
}
bool is_special;
auto cs = load_cell_slice_special(std::move(cell_ref), is_special);