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Patch/fix ub (#724)

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* Fix input validation in storage-manager and bitstring

* Fix potentially dangling pointer missing_library

---------

Co-authored-by: SpyCheese <mikle98@yandex.ru>
This commit is contained in:
EmelyanenkoK 2023-07-14 15:25:07 +03:00 • committed by GitHub
parent 9b34217bf0
commit ef306dd36e
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 73 additions and 33 deletions
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5
crypto/vm/vm.h
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@ -25,6 +25,7 @@
#include "vm/log.h"
#include "vm/continuation.h"
#include "td/utils/HashSet.h"
#include "td/utils/optional.h"
namespace vm {
@ -97,7 +98,7 @@ class VmState final : public VmStateInterface {
td::HashSet<CellHash> loaded_cells;
int stack_trace{0}, debug_off{0};
bool chksig_always_succeed{false};
td::ConstBitPtr missing_library{0};
td::optional<td::Bits256> missing_library;
td::uint16 max_data_depth = 512; // Default value
int global_version{0};
size_t chksgn_counter = 0;
@ -383,7 +384,7 @@ class VmState final : public VmStateInterface {
Ref<OrdCont> ref_to_cont(Ref<Cell> cell) const {
return td::make_ref<OrdCont>(load_cell_slice_ref(std::move(cell)), get_cp());
}
td::ConstBitPtr get_missing_library() const {
td::optional<td::Bits256> get_missing_library() const {
return missing_library;
}
void set_max_data_depth(td::uint16 depth) {