bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P943/1:b..l rcu: (detected by 1, t=10502 jiffies, g=14481, q=878 ncpus=2) task:kworker/1:2 state:R running task stack:24888 pid:943 tgid:943 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7288 irqentry_exit+0x36/0x90 kernel/entry/common.c:197 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:114 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:128 [inline] RIP: 0010:lock_acquire kernel/locking/lockdep.c:5864 [inline] RIP: 0010:lock_acquire+0x133/0x350 kernel/locking/lockdep.c:5825 Code: 00 65 8b 05 97 47 3f 12 85 c0 0f 85 a2 00 00 00 65 48 8b 05 d7 05 3f 12 8b 90 ec 0a 00 00 85 d2 0f 85 8c 00 00 00 9c 8f 04 24 48 c7 c7 9b 63 f4 8d e8 90 e9 fc 09 45 89 e0 89 e9 44 89 ea 65 RSP: 0018:ffffc900038875a8 EFLAGS: 00000246 RAX: ffff888027252440 RBX: ffffffff8e5c15a0 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff822c179d RDI: fffffbfff1cb82b4 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000003d7 R11: 0000000000002c10 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] __update_page_owner_free_handle.constprop.0+0x4d/0x4a0 mm/page_owner.c:271 __reset_page_owner+0x93/0x1a0 mm/page_owner.c:309 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895 discard_slab mm/slub.c:2758 [inline] __put_partials+0x165/0x1c0 mm/slub.c:3223 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:396 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4376 [inline] __kmalloc_noprof+0x223/0x510 mm/slub.c:4388 kmalloc_noprof include/linux/slab.h:909 [inline] usb_alloc_urb+0x66/0xa0 drivers/usb/core/urb.c:75 usb_internal_control_msg drivers/usb/core/message.c:96 [inline] usb_control_msg+0x1d3/0x4a0 drivers/usb/core/message.c:154 hub_set_address drivers/usb/core/hub.c:4769 [inline] hub_port_init+0x1d3f/0x3a70 drivers/usb/core/hub.c:5074 hub_port_connect drivers/usb/core/hub.c:5495 [inline] hub_port_connect_change drivers/usb/core/hub.c:5706 [inline] port_event drivers/usb/core/hub.c:5870 [inline] hub_event+0x2ce1/0x4fe0 drivers/usb/core/hub.c:5952 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c2/0x780 kernel/kthread.c:463 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 net_ratelimit: 26443 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) net_ratelimit: 28712 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:8a:3c:c7:06:0b:2b, vlan:0)