INFO: task syz-executor.2:349 blocked for more than 143 seconds.
      Not tainted 6.4.0-syzkaller-11989-g6843306689af #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:26184 pid:349   ppid:31050  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6710
 schedule+0xde/0x1a0 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
 rwsem_down_write_slowpath+0x3e2/0x1220 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0x1d2/0x200 kernel/locking/rwsem.c:1574
 rdma_dev_exit_net+0x16d/0x5a0 drivers/infiniband/core/device.c:1123
 ops_exit_list+0xb0/0x170 net/core/net_namespace.c:170
 setup_net+0x64c/0xa40 net/core/net_namespace.c:362