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Fix GH-17837: ::getColumnMeta() on unexecuted statement segfaults #17850

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Fix GH-17837: ::getColumnMeta() on unexecuted statement segfaults #17850

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2 changes: 1 addition & 1 deletion ext/pdo_sqlite/sqlite_statement.c
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Original file line number Diff line number Diff line change
Expand Up @@ -305,7 +305,7 @@ static int pdo_sqlite_stmt_col_meta(pdo_stmt_t *stmt, zend_long colno, zval *ret
const char *str;
zval flags;

if (!S->stmt) {
if (!S->stmt || !stmt->executed) {
return FAILURE;
}
if(colno >= sqlite3_column_count(S->stmt)) {
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14 changes: 14 additions & 0 deletions ext/pdo_sqlite/tests/gh17837.phpt
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@@ -0,0 +1,14 @@
--TEST--
GH-17837 (::getColumnMeta() on unexecuted statement segfaults)
--EXTENSIONS--
pdo_sqlite
--CREDITS--
YuanchengJiang
--FILE--
<?php
$db = new PDO('sqlite::memory:');
$stmt = $db->prepare('select :a, :b, ?');
var_dump($stmt->getColumnMeta(0));
?>
--EXPECT--
bool(false)
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