bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5828/1:b..l rcu: (detected by 1, t=10503 jiffies, g=26017, q=574 ncpus=2) task:kworker/1:3 state:R running task stack:24496 pid:5828 tgid:5828 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7082 irqentry_exit+0x36/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:get_stack_info+0x4/0xb0 arch/x86/kernel/dumpstack_64.c:193 Code: c7 c7 40 47 fb 8d e8 0b 21 96 03 eb dc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <41> 55 49 89 cd 41 54 49 89 d4 55 53 65 48 8b 1d b8 15 c7 7e 48 85 RSP: 0018:ffffc9000409f398 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffc9000409f480 RCX: ffffc9000409f410 RDX: ffffc9000409f3f0 RSI: ffff88807d0d4880 RDI: ffffc9000409f3a0 RBP: ffff88807d0d4880 R08: 0000000000000001 R09: 0000000000000000 R10: ffffc9000409f3f0 R11: 0000000000000004 R12: ffffc9000409f3a0 R13: ffffc9000409f410 R14: ffffc9000409f3f0 R15: ffffc9000409f418 __unwind_start+0x3f6/0x7f0 arch/x86/kernel/unwind_orc.c:729 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 save_stack+0x162/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x8d/0x400 mm/page_owner.c:297 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_page+0x661/0x1080 mm/page_alloc.c:2659 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:385 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] kobject_uevent_env+0x265/0x1870 lib/kobject_uevent.c:540 device_add+0x10e0/0x1a70 drivers/base/core.c:3646 usb_new_device+0xd09/0x1a20 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5523 [inline] hub_port_connect_change drivers/usb/core/hub.c:5663 [inline] port_event drivers/usb/core/hub.c:5823 [inline] hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5905 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 bridge0: received packet on veth0_to_bridge with own address as source address (addr:ea:d3:38:01:72:40, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ea:d3:38:01:72:40, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ea:d3:38:01:72:40, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ea:d3:38:01:72:40, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)