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| author | Jia Lina <jialina01@baidu.com> | 2018-10-26 16:36:20 +0800 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2018-10-31 09:38:59 +0000 |
| commit | 3d63da16fbcd05405efd5946000cdb45474a9bad (patch) | |
| tree | eae180d6f698df45e85d62b99c1a41cc2f87bd2a /migration/migration.c | |
| parent | ea3b23e5ffc4b937958ba54b006a2a5e2e664f12 (diff) | |
| download | qemu-3d63da16fbcd05405efd5946000cdb45474a9bad.zip qemu-3d63da16fbcd05405efd5946000cdb45474a9bad.tar.gz qemu-3d63da16fbcd05405efd5946000cdb45474a9bad.tar.bz2 | |
migration: avoid segmentfault when take a snapshot of a VM which being migrated
During an active background migration, snapshot will trigger a
segmentfault. As snapshot clears the "current_migration" struct
and updates "to_dst_file" before it finds out that there is a
migration task, Migration accesses the null pointer in
"current_migration" struct and qemu crashes eventually.
Signed-off-by: Jia Lina <jialina01@baidu.com>
Signed-off-by: Chai Wen <chaiwen@baidu.com>
Signed-off-by: Zhang Yu <zhangyu31@baidu.com>
Message-Id: <20181026083620.10172-1-jialina01@baidu.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration/migration.c')
| -rw-r--r-- | migration/migration.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/migration/migration.c b/migration/migration.c index 8b36e7f..b261c1e 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -742,7 +742,7 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp) * Return true if we're already in the middle of a migration * (i.e. any of the active or setup states) */ -static bool migration_is_setup_or_active(int state) +bool migration_is_setup_or_active(int state) { switch (state) { case MIGRATION_STATUS_ACTIVE: |