INFO: task syz-executor:13218 blocked for more than 143 seconds.
      Not tainted 6.14.0-rc6-syzkaller-01228-g2c99b2e1634d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21008 pid:13218 tgid:13218 ppid:1      task_flags:0x480140 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x190e/0x4c90 kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6857
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 unregister_netdevice_notifier_net+0x89/0x3a0 net/core/dev.c:2070
 nsim_dev_hwstats_exit+0x81/0x290 drivers/net/netdevsim/hwstats.c:480
 nsim_dev_reload_destroy+0x2ad/0x490 drivers/net/netdevsim/dev.c:1662
 nsim_drv_remove+0x58/0x160 drivers/net/netdevsim/dev.c:1676
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1273 [inline]
 device_release_driver_internal+0x4a9/0x7c0 drivers/base/dd.c:1296
 bus_remove_device+0x34f/0x420 drivers/base/bus.c:579
 device_del+0x57a/0x9b0 drivers/base/core.c:3855
 device_unregister+0x20/0xc0 drivers/base/core.c:3896
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:462 [inline]
 del_device_store+0x363/0x480 drivers/net/netdevsim/bus.c:226
 kernfs_fop_write_iter+0x3a0/0x500 fs/kernfs/file.c:334
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xacf/0xd10 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0102f8bc1f
RSP: 002b:00007ffd60856cf0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0102f8bc1f
RDX: 0000000000000001 RSI: 00007ffd60856d40 RDI: 0000000000000005
RBP: 00007f010300f4fd R08: 0000000000000000 R09: 00007ffd60856b47
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffd60856d40 R14: 00007f0103cd4620 R15: 0000000000000003
 </TASK>
INFO: task syz.0.2384:13295 blocked for more than 148 seconds.
      Not tainted 6.14.0-rc6-syzkaller-01228-g2c99b2e1634d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2384      state:D stack:22200 pid:13295 tgid:13294 ppid:5835   task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x190e/0x4c90 kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6857
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6914
 __mutex_lock_common kernel/locking/mutex.c:662 [inline]
 __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730
 rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 unregister_netdevice_notifier_net+0x89/0x3a0 net/core/dev.c:2070
 nsim_dev_hwstats_exit+0x81/0x290 drivers/net/netdevsim/hwstats.c:480
 nsim_dev_reload_destroy+0x2ad/0x490 drivers/net/netdevsim/dev.c:1662
 nsim_dev_reload_down+0x98/0xd0 drivers/net/netdevsim/dev.c:968
 devlink_reload+0x19a/0x880 net/devlink/dev.c:461
 devlink_nl_reload_doit+0x9c3/0xe50 net/devlink/dev.c:584
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0xb1f/0xec0 net/netlink/genetlink.c:1210