INFO: task syz.1.106:4164 blocked for more than 435 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.106       state:D stack:0     pid:4164  tgid:4161  ppid:3230   task_flags:0x400140 flags:0x00000002
Call Trace:
[<ffffffff8659fbbc>] context_switch kernel/sched/core.c:5533 [inline]
[<ffffffff8659fbbc>] __schedule+0x1de4/0x5014 kernel/sched/core.c:7284
[<ffffffff865a2e9a>] __schedule_loop kernel/sched/core.c:7361 [inline]
[<ffffffff865a2e9a>] schedule+0xae/0x260 kernel/sched/core.c:7376
[<ffffffff865a314e>] schedule_preempt_disabled+0x16/0x28 kernel/sched/core.c:7433
[<ffffffff865ab2b6>] __mutex_lock_common kernel/locking/mutex.c:726 [inline]
[<ffffffff865ab2b6>] __mutex_lock+0xb92/0x192e kernel/locking/mutex.c:821
[<ffffffff865ac066>] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:874
[<ffffffff80da4b3a>] fdget_pos+0x28c/0x32c fs/file.c:1259
[<ffffffff80d08bca>] class_fd_pos_constructor include/linux/file.h:85 [inline]
[<ffffffff80d08bca>] ksys_write+0x86/0x244 fs/read_write.c:730
[<ffffffff80d08df6>] __do_sys_write fs/read_write.c:750 [inline]
[<ffffffff80d08df6>] __se_sys_write fs/read_write.c:747 [inline]
[<ffffffff80d08df6>] __riscv_sys_write+0x6e/0xa0 fs/read_write.c:747
[<ffffffff8007bc50>] syscall_handler+0x92/0x114 arch/riscv/include/asm/syscall.h:112
[<ffffffff86593182>] do_trap_ecall_u+0x4ca/0x658 arch/riscv/kernel/traps.c:341
[<ffffffff865bfadc>] handle_exception+0x168/0x174 arch/riscv/kernel/entry.S:237

Showing all locks held in the system:
locks held by kworker/u8:0/12: 3, last CPU#1:
 #0: ffffaf801291c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x132a/0x22b2 kernel/workqueue.c:3371
 #1: ffff8f80000d7b50 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: psi_task_switch+0x50/0x848 kernel/sched/psi.c:933
 #2: ffffaf8014bcf258 (&devlink->lock_key#2){+.+.}-{4:4}, at: raw_spin_rq_lock_nested kernel/sched/core.c:677 [inline]
 #2: ffffaf8014bcf258 (&devlink->lock_key#2){+.+.}-{4:4}, at: raw_spin_rq_lock kernel/sched/sched.h:1678 [inline]
 #2: ffffaf8014bcf258 (&devlink->lock_key#2){+.+.}-{4:4}, at: rq_lock kernel/sched/sched.h:2016 [inline]
 #2: ffffaf8014bcf258 (&devlink->lock_key#2){+.+.}-{4:4}, at: __schedule+0x308/0x5014 kernel/sched/core.c:7158
locks held by kworker/1:1/30: 2, last CPU#1:
 #0: ffffaf802b7b6d40 ((wq_completion)wg-kex-wg1#2){+.+.}-{0:0}, at: raw_spin_rq_lock_nested kernel/sched/core.c:677 [inline]
 #0: ffffaf802b7b6d40 ((wq_completion)wg-kex-wg1#2){+.+.}-{0:0}, at: raw_spin_rq_lock kernel/sched/sched.h:1678 [inline]
 #0: ffffaf802b7b6d40 ((wq_completion)wg-kex-wg1#2){+.+.}-{0:0}, at: rq_lock kernel/sched/sched.h:2016 [inline]
 #0: ffffaf802b7b6d40 ((wq_completion)wg-kex-wg1#2){+.+.}-{0:0}, at: __schedule+0x308/0x5014 kernel/sched/core.c:7158
 #1: ffffaf8072cf5710 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x50/0x848 kernel/sched/psi.c:933
locks held by khungtaskd/32: 1, last CPU#0:
 #0: ffffffff893f8c40 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:847 [inline]
 #0: ffffffff893f8c40 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3e/0x1a0 kernel/locking/lockdep.c:6871
locks held by kworker/u8:6/59: 4, last CPU#0:
 #0: ffffaf801291c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x132a/0x22b2 kernel/workqueue.c:3371
 #1: ffff8f8000467b50 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x8e8/0x22b2 kernel/workqueue.c:3372
 #2: ffffaf8072ce8520 (&rq->__lock){-.-.}-{2:2}, at: percpu_down_read include/linux/percpu-rwsem.h:77 [inline]
 #2: ffffaf8072ce8520 (&rq->__lock){-.-.}-{2:2}, at: cpus_read_lock+0x14/0x1c kernel/cpu.c:490
 #3: ffffffff89566100 (jump_label_mutex){+.+.}-{4:4}, at: jump_label_lock kernel/jump_label.c:27 [inline]
 #3: ffffffff89566100 (jump_label_mutex){+.+.}-{4:4}, at: static_key_disable_cpuslocked+0x11e/0x1e4 kernel/jump_label.c:238
locks held by kworker/u8:9/1353: 2, last CPU#1:
 #0: ffffaf801dee3140 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: schedule+0x12e/0x260 kernel/sched/core.c:7371
 #1: ffffaf8072cd1710 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x50/0x848 kernel/sched/psi.c:933
locks held by kworker/u8:12/1411: 3, last CPU#0:
 #0: ffffaf801291c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x132a/0x22b2 kernel/workqueue.c:3371
 #1: ffff8f8002b37b50 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work+0x8e8/0x22b2 kernel/workqueue.c:3372
 #2: ffffaf80166d4258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_trylock+0x22/0x2c net/devlink/core.c:314
locks held by syslogd/3032: 1, last CPU#0:
 #0: ffffffff8962cd10 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:304 [inline]
 #0: ffffffff8962cd10 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x68/0x1b4 mm/kasan/quarantine.c:259
locks held by getty/3187: 2, on CPU#0:
 #0: ffffaf801ba730a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340