INFO: task kworker/1:0:22 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:0     pid:22    ppid:2      flags:0x00000008
Workqueue: events linkwatch_event
Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1364/0x23b4 kernel/sched/core.c:6710
 schedule+0xc4/0x170 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6845
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
 linkwatch_event+0x14/0x68 net/core/link_watch.c:277
 process_one_work+0x800/0x1480 kernel/workqueue.c:2600
 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853
INFO: task kworker/0:2:3503 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:0     pid:3503  ppid:2      flags:0x00000008
Workqueue: events switchdev_deferred_process_work
Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1364/0x23b4 kernel/sched/core.c:6710
 schedule+0xc4/0x170 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6845
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
 switchdev_deferred_process_work+0x14/0x28 net/switchdev/switchdev.c:75
 process_one_work+0x800/0x1480 kernel/workqueue.c:2600
 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853
INFO: task dhcpcd:5662 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:0     pid:5662  ppid:5661   flags:0x00000004
Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1364/0x23b4 kernel/sched/core.c:6710
 schedule+0xc4/0x170 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6845
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
 rtnl_lock net/core/rtnetlink.c:78 [inline]
 rtnetlink_rcv_msg+0x704/0xdc0 net/core/rtnetlink.c:6425
 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2549
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6446
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1914
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg net/socket.c:748 [inline]
 ____sys_sendmsg+0x56c/0x840 net/socket.c:2494
 ___sys_sendmsg net/socket.c:2548 [inline]
 __sys_sendmsg+0x26c/0x33c net/socket.c:2577
 __do_sys_sendmsg net/socket.c:2586 [inline]
 __se_sys_sendmsg net/socket.c:2584 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2584
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
INFO: task syz-executor.0:13682 blocked for more than 143 seconds.
      Not tainted 6.5.0-rc7-syzkaller-00071-gfe4469582053 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:13682 ppid:1      flags:0x0000000d
Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1364/0x23b4 kernel/sched/core.c:6710
 schedule+0xc4/0x170 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6845
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
 nsim_destroy+0x4c/0x164 drivers/net/netdevsim/netdev.c:374
 __nsim_dev_port_del+0x140/0x1a0 drivers/net/netdevsim/dev.c:1425
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1437 [inline]
 nsim_dev_reload_destroy+0x240/0x43c drivers/net/netdevsim/dev.c:1658
 nsim_drv_remove+0x5c/0x154 drivers/net/netdevsim/dev.c:1673
 nsim_bus_remove+0x20/0x30 drivers/net/netdevsim/bus.c:246
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1270 [inline]
 device_release_driver_internal+0x3e4/0x6a0 drivers/base/dd.c:1293
 device_release_driver+0x28/0x38 drivers/base/dd.c:1316
 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574
 device_del+0x480/0x87c drivers/base/core.c:3814
 device_unregister+0x2c/0xcc drivers/base/core.c:3844
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:310 [inline]
 del_device_store+0x2c4/0x39c drivers/net/netdevsim/bus.c:219
 bus_attr_store+0x80/0xa4 drivers/base/bus.c:170
 sysfs_kf_write+0x200/0x280 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x334/0x48c fs/kernfs/file.c:334
 call_write_iter include/linux/fs.h:1877 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x628/0x93c fs/read_write.c:584
 ksys_write+0x15c/0x26c fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

Showing all locks held in the system:
3 locks held by kworker/0:1/9:
 #0: ffff0000d3d44d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b4/0x1480 kernel/workqueue.c:2572
 #1: ffff800092a47c20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f0/0x1480 kernel/workqueue.c:2574
 #2: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
4 locks held by kworker/u4:0/10:
 #0: ffff0000c13e9938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x6b4/0x1480 kernel/workqueue.c:2572
 #1: ffff800092a57c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6f0/0x1480 kernel/workqueue.c:2574
 #2: ffff8000909d1950 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf4/0x8d0 net/core/net_namespace.c:576
 #3: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
1 lock held by rcu_tasks_kthre/13:
 #0: ffff80008e2718d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
 #0: ffff80008e271c90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:522
3 locks held by kworker/1:0/22:
 #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x1480 kernel/workqueue.c:2572
 #1: ffff800092b27c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6f0/0x1480 kernel/workqueue.c:2574
 #2: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
1 lock held by khungtaskd/28:
 #0: ffff80008e271700 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:302
3 locks held by kworker/u4:3/40:
 #0: ffff0000c0029938 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x6b4/0x1480 kernel/workqueue.c:2572
 #1: ffff800092f77c20 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6f0/0x1480 kernel/workqueue.c:2574
 #2: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
3 locks held by kworker/1:2/1610:
3 locks held by kworker/0:2/3503:
 #0: ffff0000c0020d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x1480 kernel/workqueue.c:2572
 #1: ffff800097a67c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6f0/0x1480 kernel/workqueue.c:2574
 #2: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
3 locks held by kworker/1:3/5570:
 #0: ffff0000d3d44d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6b4/0x1480 kernel/workqueue.c:2572
 #1: ffff800098437c20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f0/0x1480 kernel/workqueue.c:2574
 #2: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
1 lock held by dhcpcd/5662:
 #0: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
 #0: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x704/0xdc0 net/core/rtnetlink.c:6425
2 locks held by getty/5748:
 #0: ffff0000d4575098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff8000959122f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2187
7 locks held by syz-executor.0/13682:
 #0: ffff0000da07a410 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x240/0x93c fs/read_write.c:580
 #1: ffff0000d3c22488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1c8/0x48c fs/kernfs/file.c:325
 #2: ffff0000ce1ca3a8 (kn->active#46){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1e4/0x48c fs/kernfs/file.c:326
 #3: ffff80008fcd77a8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xec/0x39c drivers/net/netdevsim/bus.c:209
 #4: ffff0000dc4770e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
 #4: ffff0000dc4770e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
 #4: ffff0000dc4770e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xbc/0x6a0 drivers/base/dd.c:1290
 #5: ffff0000dc475250 (&devlink->lock_key#2){+.+.}-{3:3}, at: devl_lock+0x24/0x34 net/devlink/core.c:54
 #6: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:78
1 lock held by syz-executor.0/13723:
 #0: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
 #0: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x704/0xdc0 net/core/rtnetlink.c:6425
1 lock held by syz-executor.0/13727:
 #0: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
 #0: ffff8000909dd668 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x704/0xdc0 net/core/rtnetlink.c:6425

=============================================