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Fix GH-15661: Access null pointer in Zend/Optimizer/zend_inference.c #15666

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Fix GH-15661: Access null pointer in Zend/Optimizer/zend_inference.c #15666

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5e63a1b
Fix GH-15661: Access null pointer in Zend/Optimizer/zend_inference.c
nielsdos Aug 30, 2024
fa87c99
Add test
nielsdos Sep 6, 2024
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2 changes: 1 addition & 1 deletion Zend/Optimizer/zend_inference.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5040,7 +5040,7 @@ ZEND_API bool zend_may_throw_ex(const zend_op *opline, const zend_ssa_op *ssa_op
return 0;
case ZEND_BIND_GLOBAL:
if ((opline+1)->opcode == ZEND_BIND_GLOBAL) {
return zend_may_throw(opline + 1, ssa_op + 1, op_array, ssa);
return zend_may_throw(opline + 1, ssa_op ? ssa_op + 1 : NULL, op_array, ssa);
}
return 0;
case ZEND_ADD:
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21 changes: 21 additions & 0 deletions ext/opcache/tests/jit/gh15666.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
--TEST--
GH-15661 (Access null pointer in Zend/Optimizer/zend_inference.c)
--EXTENSIONS--
opcache
--INI--
opcache.jit=1201
opcache.jit_buffer_size=64M
--FILE--
<?php

function test() {
require 'dummy.inc';
global $foo, $bar;
$foo |= $bar;
}

echo "Done\n";

?>
--EXPECT--
Done
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