syzbot

INFO: task syz-executor.2:5549 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:20720 pid:5549  tgid:5548  ppid:5128   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 ib_get_eth_speed+0x153/0x800 drivers/infiniband/core/verbs.c:1983
 rxe_query_port+0x76/0x260 drivers/infiniband/sw/rxe/rxe_verbs.c:55
 __ib_query_port drivers/infiniband/core/device.c:2067 [inline]
 ib_query_port+0x168/0x7d0 drivers/infiniband/core/device.c:2099
 ib_setup_port_attrs+0x299/0x2440 drivers/infiniband/core/sysfs.c:1440
 add_one_compat_dev+0x51a/0x710 drivers/infiniband/core/device.c:969
 add_compat_devs drivers/infiniband/core/device.c:1027 [inline]
 enable_device_and_get+0x31a/0x440 drivers/infiniband/core/device.c:1338
 ib_register_device+0x10d4/0x13d0 drivers/infiniband/core/device.c:1420
 rxe_register_device+0x267/0x380 drivers/infiniband/sw/rxe/rxe_verbs.c:1523
 rxe_net_add+0x75/0xd0 drivers/infiniband/sw/rxe/rxe_net.c:541
 rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:197
 nldev_newlink+0x5d2/0x640 drivers/infiniband/core/nldev.c:1778
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x6df/0x9e0 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x7ec/0x980 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x223/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2585