In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix accessing invalid dip_ctx during destroying QP If it fails to modify QP to RTR, dip_ctx will not be attached. And during detroying QP, the invalid dip_ctx pointer will be accessed.
https://git.kernel.org/stable/c/a448c775f0aec6cfbee4bda561447c707153504a
https://git.kernel.org/stable/c/0572eccf239ce4bd89bd531767ec5ab20e249290