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-rw-r--r--NEWS3
-rw-r--r--Zend/zend_API.c9
-rw-r--r--ext/standard/tests/bug75220.phpt28
3 files changed, 37 insertions, 3 deletions
diff --git a/NEWS b/NEWS
index dbfdc1bb8b..bf6942e25b 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,9 @@ PHP NEWS
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
?? ??? ????, PHP 7.2.0RC4
+- Core
+ . Fixed bug #75220 (Segfault when calling is_callable on parent).
+ (andrewnester)
28 Sep 2017, PHP 7.2.0RC3
diff --git a/Zend/zend_API.c b/Zend/zend_API.c
index 7c82d6ec25..6ec350ebf2 100644
--- a/Zend/zend_API.c
+++ b/Zend/zend_API.c
@@ -3129,7 +3129,8 @@ get_function_via_handler:
(!fcc->function_handler->common.scope ||
!instanceof_function(ce_org, fcc->function_handler->common.scope))) {
if (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) {
- if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
+ if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION &&
+ fcc->function_handler->common.function_name) {
zend_string_release(fcc->function_handler->common.function_name);
}
zend_free_trampoline(fcc->function_handler);
@@ -3355,7 +3356,8 @@ again:
((fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) ||
fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
- if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
+ if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION &&
+ fcc->function_handler->common.function_name) {
zend_string_release(fcc->function_handler->common.function_name);
}
zend_free_trampoline(fcc->function_handler);
@@ -3413,7 +3415,8 @@ again:
((fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) ||
fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
- if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION) {
+ if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION &&
+ fcc->function_handler->common.function_name) {
zend_string_release(fcc->function_handler->common.function_name);
}
zend_free_trampoline(fcc->function_handler);
diff --git a/ext/standard/tests/bug75220.phpt b/ext/standard/tests/bug75220.phpt
new file mode 100644
index 0000000000..f5820a12dd
--- /dev/null
+++ b/ext/standard/tests/bug75220.phpt
@@ -0,0 +1,28 @@
+--TEST--
+Bug #75220 (is_callable crash for 'parent')
+--FILE--
+<?php
+
+$a = new A();
+$a->bar('foo');
+
+class B {};
+class A extends B
+{
+ function bar($func)
+ {
+ var_dump('foo');
+ var_dump(is_callable('parent::foo'));
+ var_dump(is_callable(array('parent', 'foo')));
+ }
+
+ function __call($func, $args)
+ {
+ }
+};
+
+?>
+--EXPECT--
+string(3) "foo"
+bool(false)
+bool(false) \ No newline at end of file