INFO: task kworker/1:0:25 blocked for more than 143 seconds. Not tainted 6.10.0-rc1-syzkaller-00104-gd8ec19857b09 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:22096 pid:25 tgid:25 ppid:2 flags:0x00004000 Workqueue: infiniband ib_cache_event_task Call Trace: 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+0x166/0x7d0 drivers/infiniband/core/device.c:2099 ib_cache_update+0x1a9/0xb80 drivers/infiniband/core/cache.c:1498 ib_cache_event_task+0xf3/0x1e0 drivers/infiniband/core/cache.c:1572 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:9:2842 blocked for more than 143 seconds.