Re: [libvirt] [PATCH 6/8] qemu: avoid null deref on low memory

Detected by Coverity. qemuDomainEventQueue requires a non-NULL pointer; most callers silently drop the event if we encountered and OOM situation trying to create the event. * src/qemu/qemu_migration.c (qemuMigrationFinish): Check for OOM. --- src/qemu/qemu_migration.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index 800b714..d7b27a0 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -2552,7 +2552,8 @@ qemuMigrationFinish(struct qemud_driver *driver, VIR_DOMAIN_EVENT_RESUMED_MIGRATED); if (virDomainObjGetState(vm, NULL) == VIR_DOMAIN_PAUSED) { virDomainObjSetState(vm, VIR_DOMAIN_PAUSED, VIR_DOMAIN_PAUSED_USER); - qemuDomainEventQueue(driver, event); + if (event) + qemuDomainEventQueue(driver, event); event = virDomainEventNewFromObj(vm, VIR_DOMAIN_EVENT_SUSPENDED, VIR_DOMAIN_EVENT_SUSPENDED_PAUSED);