[pull] master from php:master#1012
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In the long-column fetch path, when the ODBC driver reports the total column length rather than SQL_NO_TOTAL, the result string was seeded by copying orig_fetched_len + 1 bytes out of C->data, which holds at most LONG_COLUMN_BUFFER_SIZE bytes from the first SQLGetData. For a column larger than that buffer this reads past C->data. Seed only the bytes actually present in the buffer, matching the SQL_NO_TOTAL branch; the remainder is still fetched by the loop. Closes GH-22349
* PHP-8.5: Fix heap over-read seeding the long-column buffer in pdo_odbc
When a descriptor spec entry fails to set up (unknown type, missing mode) after an earlier entry already opened a pipe or socket, proc_open() jumped to exit_fail without closing the descriptors it had already opened, leaking those fds; repeated calls exhaust the process descriptor table. Close the opened descriptors at exit_fail and drop the now-redundant per-call close before each spawn-failure goto. Closes GH-22311
* PHP-8.4: Fix file descriptor leak when proc_open() descriptor setup fails
* PHP-8.5: Fix file descriptor leak when proc_open() descriptor setup fails
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