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authorChristoph M. Becker <cmbecker69@gmx.de>2019-10-19 11:52:38 +0200
committerChristoph M. Becker <cmbecker69@gmx.de>2019-10-19 11:52:38 +0200
commitb00cc3378c0ff3a127d1f162bd005cc33004ecb0 (patch)
tree0469751b3562dd63af72df7fe058c15ea6b6d711 /ext
parent49327e2e15b131a04ca3edc1b95bb89abde58337 (diff)
parentee6a71ca7350c5c9730275a264a9c173940b071b (diff)
downloadphp-git-b00cc3378c0ff3a127d1f162bd005cc33004ecb0.tar.gz
Merge branch 'PHP-7.4'
* PHP-7.4: Fix #78694: Appending to a variant array causes segfault
Diffstat (limited to 'ext')
-rw-r--r--ext/com_dotnet/com_handlers.c5
-rw-r--r--ext/com_dotnet/tests/bug78694.phpt19
2 files changed, 24 insertions, 0 deletions
diff --git a/ext/com_dotnet/com_handlers.c b/ext/com_dotnet/com_handlers.c
index 1036abb977..1a5d9c3046 100644
--- a/ext/com_dotnet/com_handlers.c
+++ b/ext/com_dotnet/com_handlers.c
@@ -122,6 +122,11 @@ static void com_write_dimension(zend_object *object, zval *offset, zval *value)
obj = (php_com_dotnet_object*) object;
+ if (offset == NULL) {
+ php_com_throw_exception(DISP_E_BADINDEX, "appending to variants is not supported");
+ return;
+ }
+
if (V_VT(&obj->v) == VT_DISPATCH) {
ZVAL_COPY_VALUE(&args[0], offset);
ZVAL_COPY_VALUE(&args[1], value);
diff --git a/ext/com_dotnet/tests/bug78694.phpt b/ext/com_dotnet/tests/bug78694.phpt
new file mode 100644
index 0000000000..adf0c828ca
--- /dev/null
+++ b/ext/com_dotnet/tests/bug78694.phpt
@@ -0,0 +1,19 @@
+--TEST--
+Bug #78694 (Appending to a variant array causes segfault)
+--SKIPIF--
+<?php
+if (!extension_loaded('com_dotnet')) die('skip com_dotnet extension not available');
+?>
+--FILE--
+<?php
+foreach ([new com('WScript.Shell'), new variant([])] as $var) {
+ try {
+ $var[] = 42;
+ } catch (com_exception $ex) {
+ var_dump($ex->getMessage());
+ }
+}
+?>
+--EXPECT--
+string(38) "appending to variants is not supported"
+string(38) "appending to variants is not supported"