Calling: { "execute": "qom-set", "arguments": { "path": "/machine", "property": "rtc-time" } }
Will crash with: qapi/qapi-visit-core.c:277: visit_type_any: Assertion `!err != !*obj' failed Clear the obj and return an error. The patch also fixes a similar potential crash in qmp_input_type_null() by checking qmp_input_get_object() returned a valid qobj. Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> --- qapi/qmp-input-visitor.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/qapi/qmp-input-visitor.c b/qapi/qmp-input-visitor.c index 64dd392..fc91e74 100644 --- a/qapi/qmp-input-visitor.c +++ b/qapi/qmp-input-visitor.c @@ -338,6 +338,12 @@ static void qmp_input_type_any(Visitor *v, const char *name, QObject **obj, QmpInputVisitor *qiv = to_qiv(v); QObject *qobj = qmp_input_get_object(qiv, name, true); + if (!qobj) { + error_setg(errp, QERR_MISSING_PARAMETER, name ? name : "null"); + *obj = NULL; + return; + } + qobject_incref(qobj); *obj = qobj; } @@ -347,6 +353,11 @@ static void qmp_input_type_null(Visitor *v, const char *name, Error **errp) QmpInputVisitor *qiv = to_qiv(v); QObject *qobj = qmp_input_get_object(qiv, name, true); + if (!qobj) { + error_setg(errp, QERR_MISSING_PARAMETER, name ? name : "null"); + return; + } + if (qobject_type(qobj) != QTYPE_QNULL) { error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null", "null"); -- 2.10.0