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Fix undefined behavior code (#464)

Browse source 
* 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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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 86 additions and 71 deletions
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53
tonlib/tonlib/TonlibClient.cpp
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@ -4451,35 +4451,36 @@ td::Status TonlibClient::do_request(const tonlib_api::blocks_getMasterchainInfo&
}
td::Status TonlibClient::do_request(const tonlib_api::blocks_getShards& request,
td::Promise<object_ptr<tonlib_api::blocks_shards>>&& promise) {
td::Promise<object_ptr<tonlib_api::blocks_shards>>&& promise) {
TRY_RESULT(block, to_lite_api(*request.id_))
client_.send_query(ton::lite_api::liteServer_getAllShardsInfo(std::move(block)),
promise.wrap([](lite_api_ptr<ton::lite_api::liteServer_allShardsInfo>&& all_shards_info) {
td::BufferSlice proof = std::move((*all_shards_info).proof_);
td::BufferSlice data = std::move((*all_shards_info).data_);
if (data.empty()) {
//return td::Status::Error("shard configuration is empty");
} else {
auto R = vm::std_boc_deserialize(data.clone());
if (R.is_error()) {
//return td::Status::Error("cannot deserialize shard configuration");
}
auto root = R.move_as_ok();
block::ShardConfig sh_conf;
if (!sh_conf.unpack(vm::load_cell_slice_ref(root))) {
//return td::Status::Error("cannot extract shard block list from shard configuration");
} else {
auto ids = sh_conf.get_shard_hash_ids(true);
tonlib_api::blocks_shards shards;
for (auto id : ids) {
auto ref = sh_conf.get_shard_hash(ton::ShardIdFull(id));
if (ref.not_null()) {
shards.shards_.push_back(to_tonlib_api(ref->top_block_id()));
}
}
promise.wrap([](lite_api_ptr<ton::lite_api::liteServer_allShardsInfo>&& all_shards_info)
-> td::Result<object_ptr<tonlib_api::blocks_shards>> {
td::BufferSlice proof = std::move((*all_shards_info).proof_);
td::BufferSlice data = std::move((*all_shards_info).data_);
if (data.empty()) {
return td::Status::Error("shard configuration is empty");
} else {
auto R = vm::std_boc_deserialize(data.clone());
if (R.is_error()) {
return R.move_as_error_prefix("cannot deserialize shard configuration: ");
}
auto root = R.move_as_ok();
block::ShardConfig sh_conf;
if (!sh_conf.unpack(vm::load_cell_slice_ref(root))) {
return td::Status::Error("cannot extract shard block list from shard configuration");
} else {
auto ids = sh_conf.get_shard_hash_ids(true);
tonlib_api::blocks_shards shards;
for (auto id : ids) {
auto ref = sh_conf.get_shard_hash(ton::ShardIdFull(id));
if (ref.not_null()) {
shards.shards_.push_back(to_tonlib_api(ref->top_block_id()));
}
}
return tonlib_api::make_object<tonlib_api::blocks_shards>(std::move(shards));
}
}
}
}
}));
return td::Status::OK();
}