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archived-php-src/ext/random/tests/03_randomizer/user_throws.phpt
T
Tim Düsterhus 998ede7123 Fix segmentation fault in Randomizer::getBytes() if a user engine throws (#9055)
This fixes:

    ==374077== Use of uninitialised value of size 8
    ==374077==    at 0x532B06: generate (engine_user.c:39)
    ==374077==    by 0x533F71: zim_Random_Randomizer_getBytes (randomizer.c:152)
    ==374077==    by 0x7F581D: ZEND_DO_FCALL_SPEC_RETVAL_USED_HANDLER (zend_vm_execute.h:1885)
    ==374077==    by 0x8725BE: execute_ex (zend_vm_execute.h:55930)
    ==374077==    by 0x877DB4: zend_execute (zend_vm_execute.h:60253)
    ==374077==    by 0x7B0FD4: zend_execute_scripts (zend.c:1770)
    ==374077==    by 0x6F1647: php_execute_script (main.c:2535)
    ==374077==    by 0x937DA4: do_cli (php_cli.c:964)
    ==374077==    by 0x938C3A: main (php_cli.c:1333)
    ==374077==
    ==374077== Invalid read of size 8
    ==374077==    at 0x532B06: generate (engine_user.c:39)
    ==374077==    by 0x533F71: zim_Random_Randomizer_getBytes (randomizer.c:152)
    ==374077==    by 0x7F581D: ZEND_DO_FCALL_SPEC_RETVAL_USED_HANDLER (zend_vm_execute.h:1885)
    ==374077==    by 0x8725BE: execute_ex (zend_vm_execute.h:55930)
    ==374077==    by 0x877DB4: zend_execute (zend_vm_execute.h:60253)
    ==374077==    by 0x7B0FD4: zend_execute_scripts (zend.c:1770)
    ==374077==    by 0x6F1647: php_execute_script (main.c:2535)
    ==374077==    by 0x937DA4: do_cli (php_cli.c:964)
    ==374077==    by 0x938C3A: main (php_cli.c:1333)
    ==374077==  Address 0x11 is not stack'd, malloc'd or (recently) free'd
2022-07-20 17:32:22 +02:00

30 lines
646 B
PHP

--TEST--
Random: Randomizer: User: Engine throws
--FILE--
<?php
$randomizer = (new \Random\Randomizer(
new class () implements \Random\Engine {
public function generate(): string
{
throw new Exception('Error');
}
}
));
var_dump($randomizer->getBytes(1));
?>
--EXPECTF--
Fatal error: Uncaught Exception: Error in %s:%d
Stack trace:
#0 [internal function]: Random\Engine@anonymous->generate()
#1 %s(%d): Random\Randomizer->getBytes(1)
#2 {main}
Next RuntimeException: Random number generation failed in %s:%d
Stack trace:
#0 %s(%d): Random\Randomizer->getBytes(1)
#1 {main}
thrown in %s on line %d