[PATCH 4.15 22/72] RDMA/ucma: Fix use-after-free access in ucma_close

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Leon Romanovsky commit ed65a4dc22083e73bac599ded6a262318cad7baf upstream. The error in ucma_create_id() left ctx in the list of contexts belong to ucma file descriptor.

[PATCH 4.15 22/72] RDMA/ucma: Fix use-after-free access in ucma_close

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Leon Romanovsky commit ed65a4dc22083e73bac599ded6a262318cad7baf upstream. The error in ucma_create_id() left ctx in the list of contexts belong to ucma file descriptor. The attempt to close