1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
* Device introspection test cases
*
* Copyright (c) 2015 Red Hat Inc.
*
* Authors:
* Markus Armbruster <armbru@redhat.com>,
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
/*
* Covers QMP device-list-properties and HMP device_add help. We
* currently don't check that their output makes sense, only that QEMU
* survives. Useful since we've had an astounding number of crash
* bugs around here.
*/
#include <glib.h>
#include <stdarg.h>
#include "qemu-common.h"
#include "qapi/qmp/qstring.h"
#include "libqtest.h"
const char common_args[] = "-nodefaults -machine none";
static QList *device_type_list(bool abstract)
{
QDict *resp;
QList *ret;
resp = qmp("{'execute': 'qom-list-types',"
" 'arguments': {'implements': 'device', 'abstract': %i}}",
abstract);
g_assert(qdict_haskey(resp, "return"));
ret = qdict_get_qlist(resp, "return");
QINCREF(ret);
QDECREF(resp);
return ret;
}
static void test_one_device(const char *type)
{
QDict *resp;
char *help, *qom_tree;
/*
* Skip this part for the abstract device test case, because
* device-list-properties crashes for such devices.
* FIXME fix it not to crash
*/
if (strcmp(type, "device")) {
resp = qmp("{'execute': 'device-list-properties',"
" 'arguments': {'typename': %s}}",
type);
QDECREF(resp);
}
help = hmp("device_add \"%s,help\"", type);
g_free(help);
/*
* Some devices leave dangling pointers in QOM behind.
* "info qom-tree" has a good chance at crashing then
*/
qom_tree = hmp("info qom-tree");
g_free(qom_tree);
}
static void test_device_intro_list(void)
{
QList *types;
char *help;
qtest_start(common_args);
types = device_type_list(true);
QDECREF(types);
help = hmp("device_add help");
g_free(help);
qtest_end();
}
static void test_device_intro_none(void)
{
qtest_start(common_args);
test_one_device("nonexistent");
qtest_end();
}
static void test_device_intro_abstract(void)
{
qtest_start(common_args);
test_one_device("device");
qtest_end();
}
static bool blacklisted(const char *type)
{
static const char *blacklist[] = {
/* hang in object_unref(): */
"realview_pci", "versatile_pci",
/* create a CPU, thus use after free (see below): */
"allwinner-a10", "digic", "fsl,imx25", "fsl,imx31", "xlnx,zynqmp",
};
size_t len = strlen(type);
int i;
if (len >= 4 && !strcmp(type + len - 4, "-cpu")) {
/* use after free: cpu_exec_init() saves CPUState in cpus */
return true;
}
for (i = 0; i < ARRAY_SIZE(blacklist); i++) {
if (!strcmp(blacklist[i], type)) {
return true;
}
}
return false;
}
static void test_device_intro_concrete(void)
{
QList *types;
QListEntry *entry;
const char *type;
qtest_start(common_args);
types = device_type_list(false);
QLIST_FOREACH_ENTRY(types, entry) {
type = qdict_get_try_str(qobject_to_qdict(qlist_entry_obj(entry)),
"name");
g_assert(type);
if (blacklisted(type)) {
continue; /* FIXME broken device, skip */
}
test_one_device(type);
}
QDECREF(types);
qtest_end();
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
qtest_add_func("device/introspect/list", test_device_intro_list);
qtest_add_func("device/introspect/none", test_device_intro_none);
qtest_add_func("device/introspect/abstract", test_device_intro_abstract);
qtest_add_func("device/introspect/concrete", test_device_intro_concrete);
return g_test_run();
}
|
