Live merge (snapshot deletion) fails after a disk containing a snapshot has been extended

Issue

• Live Merge of a snapshot fails with resize of base image failed: Invalid argument;

libvirtError: internal error: unable to execute QEMU command 'block-commit': Top image /rhev/data-center/5849b030-626e-47cb-ad90-3ce782d831b3/58e235d7-2ee6-4937-972d-4f5a069a6dad/images/e51adc68-40b2-4dfe-a152-b3701910ba59/ba5e6f8d-056c-4fe7-b62d-e177a4e287d4 is larger than base image /rhev/data-center/5849b030-626e-47cb-ad90-3ce782d831b3/58e235d7-2ee6-4937-972d-4f5a069a6dad/images/e51adc68-40b2-4dfe-a152-b3701910ba59/../e51adc68-40b2-4dfe-a152-b3701910ba59/../e51adc68-40b2-4dfe-a152-b3701910ba59/../e51adc68-40b2-4dfe-a152-b3701910ba59/250dc4eb-93b5-4e4a-977a-7e6c82cd4cda, and resize of base image failed: Invalid argument

• Unable to delete snapshot, getting error as: Message: Failed to delete snapshot 'Auto-generated for Live Storage Migration' for VM