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9ac9450780
In libxl driver we do virObjectRef in libxlDomainObjBeginJob, If virCondWaitUntil failed, it goes to error, do virObjectUnref, There's a chance that someone undefine the vm at the same time, and refs unref to zero, vm is freed in libxlDomainObjBeginJob. But the vm outside function is not Null, we do virObjectUnlock(vm). That's how we overwrite the vm memory after it's freed. I fix it. Signed-off-by: Wang Yufei <james.wangyufei@huawei.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
160 lines
7.0 KiB
C
160 lines
7.0 KiB
C
/*
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* virdomainobjlist.h: domain objects list utilities
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*
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* Copyright (C) 2006-2015 Red Hat, Inc.
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* Copyright (C) 2006-2008 Daniel P. Berrange
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* Copyright (c) 2015 SUSE LINUX Products GmbH, Nuernberg, Germany.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef __VIRDOMAINOBJLIST_H__
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# define __VIRDOMAINOBJLIST_H__
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# include "domain_conf.h"
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typedef struct _virDomainObjList virDomainObjList;
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typedef virDomainObjList *virDomainObjListPtr;
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virDomainObjListPtr virDomainObjListNew(void);
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virDomainObjPtr virDomainObjListFindByID(virDomainObjListPtr doms,
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int id);
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virDomainObjPtr virDomainObjListFindByIDRef(virDomainObjListPtr doms,
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int id);
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virDomainObjPtr virDomainObjListFindByUUID(virDomainObjListPtr doms,
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const unsigned char *uuid);
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virDomainObjPtr virDomainObjListFindByUUIDRef(virDomainObjListPtr doms,
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const unsigned char *uuid);
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virDomainObjPtr virDomainObjListFindByName(virDomainObjListPtr doms,
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const char *name);
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enum {
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VIR_DOMAIN_OBJ_LIST_ADD_LIVE = (1 << 0),
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VIR_DOMAIN_OBJ_LIST_ADD_CHECK_LIVE = (1 << 1),
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};
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virDomainObjPtr virDomainObjListAdd(virDomainObjListPtr doms,
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virDomainDefPtr def,
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virDomainXMLOptionPtr xmlopt,
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unsigned int flags,
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virDomainDefPtr *oldDef);
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typedef int (*virDomainObjListRenameCallback)(virDomainObjPtr dom,
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const char *new_name,
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unsigned int flags,
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void *opaque);
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int virDomainObjListRename(virDomainObjListPtr doms,
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virDomainObjPtr dom,
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const char *new_name,
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unsigned int flags,
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virDomainObjListRenameCallback callback,
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void *opaque);
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void virDomainObjListRemove(virDomainObjListPtr doms,
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virDomainObjPtr dom);
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void virDomainObjListRemoveLocked(virDomainObjListPtr doms,
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virDomainObjPtr dom);
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int virDomainObjListLoadAllConfigs(virDomainObjListPtr doms,
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const char *configDir,
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const char *autostartDir,
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int liveStatus,
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virCapsPtr caps,
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virDomainXMLOptionPtr xmlopt,
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virDomainLoadConfigNotify notify,
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void *opaque);
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int virDomainObjListNumOfDomains(virDomainObjListPtr doms,
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bool active,
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virDomainObjListACLFilter filter,
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virConnectPtr conn);
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int virDomainObjListGetActiveIDs(virDomainObjListPtr doms,
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int *ids,
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int maxids,
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virDomainObjListACLFilter filter,
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virConnectPtr conn);
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int virDomainObjListGetInactiveNames(virDomainObjListPtr doms,
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char **const names,
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int maxnames,
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virDomainObjListACLFilter filter,
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virConnectPtr conn);
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typedef int (*virDomainObjListIterator)(virDomainObjPtr dom,
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void *opaque);
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int virDomainObjListForEach(virDomainObjListPtr doms,
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virDomainObjListIterator callback,
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void *opaque);
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# define VIR_CONNECT_LIST_DOMAINS_FILTERS_ACTIVE \
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(VIR_CONNECT_LIST_DOMAINS_ACTIVE | \
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VIR_CONNECT_LIST_DOMAINS_INACTIVE)
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# define VIR_CONNECT_LIST_DOMAINS_FILTERS_PERSISTENT \
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(VIR_CONNECT_LIST_DOMAINS_PERSISTENT | \
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VIR_CONNECT_LIST_DOMAINS_TRANSIENT)
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# define VIR_CONNECT_LIST_DOMAINS_FILTERS_STATE \
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(VIR_CONNECT_LIST_DOMAINS_RUNNING | \
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VIR_CONNECT_LIST_DOMAINS_PAUSED | \
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VIR_CONNECT_LIST_DOMAINS_SHUTOFF | \
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VIR_CONNECT_LIST_DOMAINS_OTHER)
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# define VIR_CONNECT_LIST_DOMAINS_FILTERS_MANAGEDSAVE \
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(VIR_CONNECT_LIST_DOMAINS_MANAGEDSAVE | \
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VIR_CONNECT_LIST_DOMAINS_NO_MANAGEDSAVE)
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# define VIR_CONNECT_LIST_DOMAINS_FILTERS_AUTOSTART \
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(VIR_CONNECT_LIST_DOMAINS_AUTOSTART | \
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VIR_CONNECT_LIST_DOMAINS_NO_AUTOSTART)
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# define VIR_CONNECT_LIST_DOMAINS_FILTERS_SNAPSHOT \
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(VIR_CONNECT_LIST_DOMAINS_HAS_SNAPSHOT | \
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VIR_CONNECT_LIST_DOMAINS_NO_SNAPSHOT)
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# define VIR_CONNECT_LIST_DOMAINS_FILTERS_ALL \
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(VIR_CONNECT_LIST_DOMAINS_FILTERS_ACTIVE | \
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VIR_CONNECT_LIST_DOMAINS_FILTERS_PERSISTENT | \
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VIR_CONNECT_LIST_DOMAINS_FILTERS_STATE | \
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VIR_CONNECT_LIST_DOMAINS_FILTERS_MANAGEDSAVE | \
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VIR_CONNECT_LIST_DOMAINS_FILTERS_AUTOSTART | \
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VIR_CONNECT_LIST_DOMAINS_FILTERS_SNAPSHOT)
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int virDomainObjListCollect(virDomainObjListPtr doms,
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virConnectPtr conn,
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virDomainObjPtr **vms,
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size_t *nvms,
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virDomainObjListACLFilter filter,
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unsigned int flags);
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int virDomainObjListExport(virDomainObjListPtr doms,
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virConnectPtr conn,
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virDomainPtr **domains,
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virDomainObjListACLFilter filter,
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unsigned int flags);
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int virDomainObjListConvert(virDomainObjListPtr domlist,
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virConnectPtr conn,
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virDomainPtr *doms,
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size_t ndoms,
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virDomainObjPtr **vms,
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size_t *nvms,
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virDomainObjListACLFilter filter,
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unsigned int flags,
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bool skip_missing);
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#endif /* __VIRDOMAINOBJLIST_H__ */
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