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Fix OSS-Fuzz #439125710: Pipe cannot be used in write context #19505

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Fix OSS-Fuzz #439125710: Pipe cannot be used in write context #19505

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8 changes: 8 additions & 0 deletions Zend/tests/pipe_operator/oss_fuzz_439125710.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
--TEST--
OSS-Fuzz #439125710 (Pipe cannot be used in write context)
--FILE--
<?php
list(y|>y)=y;
?>
--EXPECTF--
Fatal error: Can't use function return value in write context in %s on line %d
2 changes: 1 addition & 1 deletion Zend/zend_compile.c
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Expand Up @@ -3365,7 +3365,7 @@ static void zend_compile_list_assign(

static void zend_ensure_writable_variable(const zend_ast *ast) /* {{{ */
{
if (ast->kind == ZEND_AST_CALL) {
if (ast->kind == ZEND_AST_CALL || ast->kind == ZEND_AST_PIPE) {
zend_error_noreturn(E_COMPILE_ERROR, "Can't use function return value in write context");
}
if (
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