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Set error on invalid Dialog logevent.

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GitOrigin-RevId: a1b91622061a1117b15d7e668c109f6bbe0a2469
This commit is contained in:
levlam 2018-08-02 15:45:58 +03:00
parent 1c4285efbe
commit f162aa55ad
1 changed files with 6 additions and 0 deletions
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6
td/telegram/MessagesManager.cpp
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@ -4709,6 +4709,12 @@ void MessagesManager::Dialog::parse(ParserT &parser) {
if (has_first_database_message_id_by_index) { if (has_first_database_message_id_by_index) {
int32 size; int32 size;
parse(size, parser); parse(size, parser);
if (size < 0) {
// the logevent is broken
// it should be impossible, but has happenned at least ones
parser.set_error("Wrong first_database_message_id_by_index table size");
return;
}
CHECK(static_cast<size_t>(size) <= first_database_message_id_by_index.size()) CHECK(static_cast<size_t>(size) <= first_database_message_id_by_index.size())
<< size << " " << first_database_message_id_by_index.size(); << size << " " << first_database_message_id_by_index.size();
for (int32 i = 0; i < size; i++) { for (int32 i = 0; i < size; i++) {