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Currently, it is only done when the iteration finishes successfully. Not cleaning up the userfaultfd write protection can lead to symptoms/issues such as the process hanging in memmove or GDB not being able to attach. Signed-off-by: Fiona Ebner <f.ebner@proxmox.com> Message-Id: <20230526115908.196171-1-f.ebner@proxmox.com> Signed-off-by: Juan Quintela <quintela@redhat.com>