Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+cc6fc752b3819e082d0c@xxxxxxxxxxxxxxxxxxxxxxxxx Tested on: commit: 7c003f9a RDMA/ucma: Rework ucma_migrate_id() to avoid race.. git tree: https://github.com/jgunthorpe/linux ucma_migrate_fix kernel config: https://syzkaller.appspot.com/x/.config?x=3c5f6ce8d5b68299 dashboard link: https://syzkaller.appspot.com/bug?extid=cc6fc752b3819e082d0c compiler: gcc (GCC) 10.1.0-syz 20200507 Note: testing is done by a robot and is best-effort only.
