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Fixed #74021 - fetch_array returned broken data #2357

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Fixed #74021 - fetch_array returned broken data #2357

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26 changes: 26 additions & 0 deletions ext/mysqli/tests/bug73800.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
--TEST--
Bug #73800 (sporadic segfault with MYSQLI_OPT_INT_AND_FLOAT_NATIVE)
--SKIPIF--
<?php
require_once('skipif.inc');
require_once('skipifconnectfailure.inc');
?>
--FILE--
<?php

require_once("connect.inc");
$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket);

$link->query('SET @@global.max_allowed_packet = 67108864');
$link->close();

$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket);
$link->options(MYSQLI_OPT_INT_AND_FLOAT_NATIVE, 1);

$res = $link->query("SELECT RPAD('1',9000000,'1') as a,RPAD('1',9000000,'1') as b, 9223372036854775807 as c");
$r = $res->fetch_array();

var_dump($r['c']);
?>
--EXPECT--
int(9223372036854775807)
25 changes: 25 additions & 0 deletions ext/mysqli/tests/bug74021.phpt
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@@ -0,0 +1,25 @@
--TEST--
Bug #74021 (fetch_array broken data. Data more then MEDIUMBLOB)
--SKIPIF--
<?php
require_once('skipif.inc');
require_once('skipifconnectfailure.inc');
?>
--FILE--
<?php

require_once("connect.inc");
$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket);

$link->query('SET @@global.max_allowed_packet = 67108864');
$link->close();

$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket);
$res = $link->query("SELECT RPAD('1',9000000,'1') as a,RPAD('1',9000000,'1') as b");
$r = $res->fetch_array();
var_dump(md5($r['a']));
var_dump(md5($r['b']));
?>
--EXPECT--
string(32) "42ca0fd16ab6b6d4b9d47dc0a4a8b12a"
string(32) "42ca0fd16ab6b6d4b9d47dc0a4a8b12a"
3 changes: 1 addition & 2 deletions ext/mysqlnd/mysqlnd_wireprotocol.c
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Expand Up @@ -1481,7 +1481,7 @@ php_mysqlnd_read_row_ex(MYSQLND_PFC * pfc,
We're allocating an extra byte, as php_mysqlnd_rowp_read_text_protocol_aux
needs to be able to append a terminating \0 for atoi/atof.
*/
*data_size = 1;
*data_size = 0;

while (1) {
if (FAIL == mysqlnd_read_header(pfc, vio, &header, stats, error_info)) {
Expand Down Expand Up @@ -1531,7 +1531,6 @@ php_mysqlnd_read_row_ex(MYSQLND_PFC * pfc,
pool->free_chunk(pool, *buffer);
*buffer = NULL;
}
(*data_size)--;
DBG_RETURN(ret);
}
/* }}} */
Expand Down