rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6163/1:b..l P8087/2:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=44517, q=32921 ncpus=2)
task:syz-executor    state:R  running task     stack:21312 pid:8087  tgid:8087  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x145f/0x5070 kernel/sched/core.c:6863
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7190
 irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline]
RIP: 0010:lock_release+0x44/0x3b0 kernel/locking/lockdep.c:5879
Code: 8b 05 a0 61 16 10 48 89 44 24 28 0f 1f 44 00 00 65 8b 05 a3 61 16 10 83 f8 08 0f 83 57 02 00 00 89 c0 48 0f a3 05 cc 85 3e 0d <73> 0d e8 75 f0 08 00 84 c0 0f 84 95 02 00 00 83 3d b6 95 3e 0d 00
RSP: 0000:ffffc90003ea7708 EFLAGS: 00000297
RAX: 0000000000000001 RBX: ffff88805e337030 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8234ce09 RDI: ffff88805e337088
RBP: ffff88802825c000 R08: ffffffff8ad3e001 R09: ffffffff8d5ae940
R10: dffffc0000000000 R11: fffffbfff1db668f R12: ffff88802825c000
R13: ffffffff8234ce09 R14: ffff88805e337088 R15: dffffc0000000000
 rt_spin_unlock+0x29/0x200 kernel/locking/spinlock_rt.c:80
 __d_find_any_alias fs/dcache.c:1014 [inline]
 d_find_any_alias+0x69/0x90 fs/dcache.c:1030
 proc_invalidate_siblings_dcache+0x3be/0x6c0 fs/proc/inode.c:140
 release_task+0x11d4/0x16d0 kernel/exit.c:291
 wait_task_zombie kernel/exit.c:1274 [inline]
 wait_consider_task+0x1944/0x2e10 kernel/exit.c:1501
 do_wait_thread kernel/exit.c:1564 [inline]
 __do_wait+0x156/0x740 kernel/exit.c:1682
 do_wait+0x1e8/0x4f0 kernel/exit.c:1716
 kernel_wait4+0x1af/0x280 kernel/exit.c:1875
 __do_sys_wait4 kernel/exit.c:1903 [inline]
 __se_sys_wait4 kernel/exit.c:1899 [inline]
 __x64_sys_wait4+0x133/0x1e0 kernel/exit.c:1899
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9ffbb95897
RSP: 002b:00007ffc9f5160d0 EFLAGS: 00000293 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000000210 RCX: 00007f9ffbb95897
RDX: 0000000040000001 RSI: 00007ffc9f51613c RDI: 00000000ffffffff
RBP: 00007ffc9f51613c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000001388
R13: 00000000000927c0 R14: 00000000000bbd05 R15: 00007ffc9f516190
 </TASK>
task:kworker/1:11    state:R  running task     stack:21272 pid:6163  tgid:6163  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x145f/0x5070 kernel/sched/core.c:6863
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7190
 irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_is_held_type+0x107/0x150 kernel/locking/lockdep.c:5945
Code: 18 00 00 b8 ff ff ff ff 65 0f c1 05 83 c2 e1 06 83 f8 01 75 25 9c 58 a9 00 02 00 00 75 39 41 f7 c4 00 02 00 00 74 01 fb 89 d8 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 4a bb 03 00 cc 90 0f 0b 90 48 c7
RSP: 0000:ffffc90005a5f090 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000046
RDX: ffff88813ff31a88 RSI: ffffffff8cfdeddc RDI: ffffffff8b3f57e0
RBP: 00000000ffffffff R08: ffffffff8ad3e001 R09: ffffffff8d5ae940
R10: dffffc0000000000 R11: fffffbfff1db668f R12: 0000000000000246
R13: ffff888031e3bc80 R14: ffff88813ff31a58 R15: 0000000000000005
 lock_is_held include/linux/lockdep.h:249 [inline]
 add_partial mm/slub.c:3381 [inline]
 __put_partials+0x8f/0x170 mm/slub.c:3873
 __slab_free+0x2af/0x330 mm/slub.c:5952
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:349
 kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4953 [inline]
 slab_alloc_node mm/slub.c:5263 [inline]
 __kmalloc_cache_noprof+0x18d/0x6d0 mm/slub.c:5771
 kmalloc_noprof include/linux/slab.h:957 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 kobject_uevent_env+0x28f/0x9f0 lib/kobject_uevent.c:540
 really_probe+0x745/0xad0 drivers/base/dd.c:709
 __driver_probe_device+0x18c/0x320 drivers/base/dd.c:801
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:831
 __device_attach_driver+0x279/0x430 drivers/base/dd.c:959
 bus_for_each_drv+0x254/0x2e0 drivers/base/bus.c:500
 __device_attach+0x2bb/0x430 drivers/base/dd.c:1031
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1086
 bus_probe_device+0x12d/0x220 drivers/base/bus.c:574
 device_add+0x7b6/0xb80 drivers/base/core.c:3689
 usb_new_device+0xa29/0x1710 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x29de/0x4f30 drivers/usb/core/hub.c:5953
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>