diff options
Diffstat (limited to 'ext/ffi/ffi.c')
| -rw-r--r-- | ext/ffi/ffi.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/ext/ffi/ffi.c b/ext/ffi/ffi.c index 1a8f866520..e223a52a92 100644 --- a/ext/ffi/ffi.c +++ b/ext/ffi/ffi.c @@ -1138,10 +1138,16 @@ static void zend_ffi_cdata_write_dim(zval *object, zval *offset, zval *value) /* { zend_ffi_cdata *cdata = (zend_ffi_cdata*)Z_OBJ_P(object); zend_ffi_type *type = ZEND_FFI_TYPE(cdata->type); - zend_long dim = zval_get_long(offset); + zend_long dim; void *ptr; zend_ffi_flags is_const; + if (offset == NULL) { + zend_throw_error(zend_ffi_exception_ce, "Cannot add next element to object of type FFI\\CData"); + return; + } + + dim = zval_get_long(offset); if (EXPECTED(type->kind == ZEND_FFI_TYPE_ARRAY)) { if (UNEXPECTED((zend_ulong)(dim) >= (zend_ulong)type->array.length) && (UNEXPECTED(dim < 0) || UNEXPECTED(type->array.length != 0))) { |