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/*
* QTest test cases for virtio balloon device
*
* Copyright (c) 2024 Gao Shiyuan <gaoshiyuan@baidu.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "libqtest.h"
#include "standard-headers/linux/virtio_balloon.h"
/*
* https://gitlab.com/qemu-project/qemu/-/issues/2576
* Used to trigger:
* virtio_address_space_lookup: Assertion `mrs.mr' failed.
*/
static void oss_fuzz_71649(void)
{
QTestState *s = qtest_init("-device virtio-balloon -machine q35"
" -nodefaults");
qtest_outl(s, 0xcf8, 0x80000890);
qtest_outl(s, 0xcfc, 0x2);
qtest_outl(s, 0xcf8, 0x80000891);
qtest_inl(s, 0xcfc);
qtest_quit(s);
}
static void query_stats(void)
{
QTestState *s = qtest_init("-device virtio-balloon,id=balloon"
" -nodefaults");
QDict *ret = qtest_qmp_assert_success_ref(
s,
"{ 'execute': 'qom-get', 'arguments': " \
"{ 'path': '/machine/peripheral/balloon', " \
" 'property': 'guest-stats' } }");
QDict *stats = qdict_get_qdict(ret, "stats");
/* We expect 1 entry in the dict for each known kernel stat */
assert(qdict_size(stats) == VIRTIO_BALLOON_S_NR);
qobject_unref(ret);
qtest_quit(s);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
qtest_add_func("virtio-balloon/oss_fuzz_71649", oss_fuzz_71649);
qtest_add_func("virtio-balloon/query-stats", query_stats);
return g_test_run();
}
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