VirtualBox

source: vbox/trunk/src/VBox/Devices/testcase/tstDeviceSsmLoadDbg.cpp@ 103914

Last change on this file since 103914 was 98103, checked in by vboxsync, 21 months ago

Copyright year updates by scm.

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File size: 5.4 KB
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1/* $Id: tstDeviceSsmLoadDbg.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * tstDeviceSsmFuzz - SSM fuzzing testcase.
4 */
5
6/*
7 * Copyright (C) 2020-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28
29/*********************************************************************************************************************************
30* Header Files *
31*********************************************************************************************************************************/
32#define LOG_GROUP LOG_GROUP_DEFAULT /** @todo */
33#include <VBox/types.h>
34#include <iprt/errcore.h>
35#include <iprt/mem.h>
36#include <iprt/file.h>
37#include <iprt/fuzz.h>
38#include <iprt/time.h>
39#include <iprt/string.h>
40
41#include "tstDeviceBuiltin.h"
42#include "tstDeviceCfg.h"
43#include "tstDeviceInternal.h"
44
45
46/*********************************************************************************************************************************
47* Defined Constants And Macros *
48*********************************************************************************************************************************/
49
50
51/*********************************************************************************************************************************
52* Structures and Typedefs *
53*********************************************************************************************************************************/
54
55
56static PCTSTDEVCFGITEM tstDevSsmFuzzGetCfgItem(PCTSTDEVCFGITEM paCfg, uint32_t cCfgItems, const char *pszName)
57{
58 for (uint32_t i = 0; i < cCfgItems; i++)
59 {
60 if (!RTStrCmp(paCfg[i].pszKey, pszName))
61 return &paCfg[i];
62 }
63
64 return NULL;
65}
66
67
68static const char *tstDevSsmFuzzGetCfgString(PCTSTDEVCFGITEM paCfg, uint32_t cCfgItems, const char *pszName)
69{
70 PCTSTDEVCFGITEM pCfgItem = tstDevSsmFuzzGetCfgItem(paCfg, cCfgItems, pszName);
71 if ( pCfgItem
72 && pCfgItem->enmType == TSTDEVCFGITEMTYPE_STRING)
73 return pCfgItem->u.psz;
74
75 return NULL;
76}
77
78
79static uint32_t tstDevSsmFuzzGetCfgU32(PCTSTDEVCFGITEM paCfg, uint32_t cCfgItems, const char *pszName)
80{
81 PCTSTDEVCFGITEM pCfgItem = tstDevSsmFuzzGetCfgItem(paCfg, cCfgItems, pszName);
82 if ( pCfgItem
83 && pCfgItem->enmType == TSTDEVCFGITEMTYPE_INTEGER)
84 return (uint32_t)pCfgItem->u.i64;
85
86 return 0;
87}
88
89
90/**
91 * Entry point for the SSM load debug.
92 *
93 * @returns VBox status code.
94 * @param hDut The device under test.
95 * @param paCfg The testcase config.
96 * @param cCfgItems Number of config items.
97 */
98static DECLCALLBACK(int) tstDevSsmLoadDbgEntry(TSTDEVDUT hDut, PCTSTDEVCFGITEM paCfg, uint32_t cCfgItems)
99{
100 int rc = VINF_SUCCESS;
101 const char *pszSsmUnit = tstDevSsmFuzzGetCfgString(paCfg, cCfgItems, "SsmUnit");
102 if (pszSsmUnit)
103 {
104 void *pvData = NULL;
105 size_t cbData = 0;
106
107 rc = RTFileReadAll(pszSsmUnit, &pvData, &cbData);
108 if (RT_SUCCESS(rc))
109 {
110 /* Create a new SSM handle to use. */
111 PSSMHANDLE pSsm = (PSSMHANDLE)RTMemAllocZ(sizeof(*pSsm));
112 if (RT_LIKELY(pSsm))
113 {
114 pSsm->pDut = hDut;
115 pSsm->pbSavedState = (uint8_t *)pvData;
116 pSsm->cbSavedState = cbData;
117 pSsm->offDataBuffer = 0;
118 pSsm->uCurUnitVer = tstDevSsmFuzzGetCfgU32(paCfg, cCfgItems, "UnitVersion");
119 pSsm->rc = VINF_SUCCESS;
120
121
122 /* Get the SSM handler from the device. */
123 int rcDut = VINF_SUCCESS;
124 PTSTDEVDUTSSM pSsmClbks = RTListGetFirst(&hDut->LstSsmHandlers, TSTDEVDUTSSM, NdSsm);
125 if (pSsmClbks)
126 {
127 /* Load preparations. */
128 if (pSsmClbks->pfnLoadPrep)
129 rcDut = pSsmClbks->pfnLoadPrep(hDut->pDevIns, pSsm);
130 if (RT_SUCCESS(rcDut))
131 rcDut = pSsmClbks->pfnLoadExec(hDut->pDevIns, pSsm, pSsm->uCurUnitVer, SSM_PASS_FINAL);
132 }
133 RTMemFree(pSsm);
134 }
135 else
136 rc = VERR_NO_MEMORY;
137
138 RTFileReadAllFree(pvData, cbData);
139 }
140 }
141 else
142 rc = VERR_NOT_FOUND;
143
144 return rc;
145}
146
147
148const TSTDEVTESTCASEREG g_TestcaseSsmLoadDbg =
149{
150 /** szName */
151 "SsmLoadDbg",
152 /** pszDesc */
153 "Load SSM states which fail to load in VBox for investigation",
154 /** fFlags */
155 0,
156 /** pfnTestEntry */
157 tstDevSsmLoadDbgEntry
158};
159
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