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Fixed Bug #81255 (Memory leak in PHPUnit with functional JIT)

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This commit is contained in:
Dmitry Stogov
2021-07-20 22:14:32 +03:00
parent bd2cd2617b
commit 02acc5ad3b
3 changed files with 35 additions and 3 deletions
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NEWS
+1
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@@ -19,6 +19,7 @@ PHP NEWS
. Fixed bug #81206 (Multiple PHP processes crash with JIT enabled). (cmb,
Nikita)
. Fixed bug #81272 (Segfault in var[] after array_slice with JIT). (Nikita)
. Fixed Bug #81255 (Memory leak in PHPUnit with functional JIT). (Dmitry)
- Standard:
. Fixed bug #72146 (Integer overflow on substr_replace). (cmb)
ext/opcache/jit/zend_jit_x86.dasc
+3 -3
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@@ -13610,7 +13610,7 @@ static int zend_jit_assign_obj_op(dasm_State **Dst,
}
if (((opline+1)->op1_type & (IS_VAR|IS_TMP_VAR))
&& (val_info & (MAY_BE_REF|MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
| jmp >8
| jmp >7
} else {
| jmp ->exception_handler
}
@@ -14029,7 +14029,7 @@ static int zend_jit_assign_obj(dasm_State **Dst,
if (((opline+1)->op1_type & (IS_VAR|IS_TMP_VAR))
&& (val_info & (MAY_BE_REF|MAY_BE_STRING|MAY_BE_ARRAY|MAY_BE_OBJECT|MAY_BE_RESOURCE))) {
| jmp >8
| jmp >7
} else {
| jmp >9
}
@@ -14159,7 +14159,7 @@ static int zend_jit_assign_obj(dasm_State **Dst,
val_info |= MAY_BE_RC1|MAY_BE_RCN;
}
|8:
|7:
| // FREE_OP_DATA();
| FREE_OP (opline+1)->op1_type, (opline+1)->op1, val_info, 0, opline
| jmp >9
ext/opcache/tests/jit/bug81255.phpt
+31
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@@ -0,0 +1,31 @@
--TEST--
Bug #81255: Memory leak in PHPUnit with functional JIT
--INI--
opcache.enable=1
opcache.enable_cli=1
opcache.jit_buffer_size=1M
opcache.jit=function
--SKIPIF--
<?php require_once('skipif.inc'); ?>
--FILE--
<?php
eval('class B {}');
class A extends B {
private ?string $x = null;
public function foo($a) {
if (!($this->x = str_repeat($a, 5))) {
throw new Exception('ops');
}
var_dump($this->x);
$this->x = null;
}
}
$a = new A;
$a->foo('a');
$a->foo('b');
?>
--EXPECT--
string(5) "aaaaa"
string(5) "bbbbb"