mdbx: исправление отрытия таблицы с пустым/нулевым именем и устранение SIGSEGV при её закрытии.

This commit is contained in:
Леонид Юрьев (Leonid Yuriev) 2024-10-25 12:31:31 +03:00
parent 03077773cb
commit 3d6e196422

View File

@ -472,14 +472,11 @@ static int dbi_open_locked(MDBX_txn *txn, unsigned user_flags, MDBX_dbi *dbi,
} }
/* Done here so we cannot fail after creating a new DB */ /* Done here so we cannot fail after creating a new DB */
void *clone = nullptr; defer_free_item_t *const clone = osal_malloc(dbi_namelen(name));
if (name.iov_len) {
clone = osal_malloc(dbi_namelen(name));
if (unlikely(!clone)) if (unlikely(!clone))
return MDBX_ENOMEM; return MDBX_ENOMEM;
name.iov_base = memcpy(clone, name.iov_base, name.iov_len); memcpy(clone, name.iov_base, name.iov_len);
} else name.iov_base = clone;
name.iov_base = "";
uint8_t dbi_state = DBI_LINDO | DBI_VALID | DBI_FRESH; uint8_t dbi_state = DBI_LINDO | DBI_VALID | DBI_FRESH;
if (unlikely(rc)) { if (unlikely(rc)) {