bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5816/1:b..l rcu: (detected by 0, t=10503 jiffies, g=12685, q=455 ncpus=2) task:kworker/0:3 state:R running task stack:25400 pid:5816 tgid:5816 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7104 irqentry_exit+0x36/0x90 kernel/entry/common.c:307 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5875 Code: 46 33 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 02 4a 0f 0f 0f 82 74 02 00 00 8b 35 ea 7b 0f 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 99 46 33 12 0f 85 c7 02 00 00 48 83 c4 RSP: 0018:ffffc90004657178 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e5c4d80 RCX: 00000000bd512f47 RDX: 0000000000000000 RSI: ffffffff8dde3c89 RDI: ffffffff8c1544e0 RBP: 0000000000000002 R08: 170230f772a2b0a2 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 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] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x84/0x1a0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1248 [inline] __free_frozen_pages+0x7fe/0x1180 mm/page_alloc.c:2706 discard_slab mm/slub.c:2716 [inline] __put_partials+0x16d/0x1c0 mm/slub.c:3185 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:385 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_noprof+0x223/0x510 mm/slub.c:4339 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 get_port_status drivers/usb/core/hub.c:605 [inline] hub_ext_port_status+0x14e/0x670 drivers/usb/core/hub.c:622 usb_hub_port_status drivers/usb/core/hub.c:672 [inline] hub_port_wait_reset drivers/usb/core/hub.c:2942 [inline] hub_port_reset+0xad2/0x1cb0 drivers/usb/core/hub.c:3061 hub_port_init+0x1f6/0x3a70 drivers/usb/core/hub.c:4903 hub_port_connect drivers/usb/core/hub.c:5460 [inline] hub_port_connect_change drivers/usb/core/hub.c:5671 [inline] port_event drivers/usb/core/hub.c:5831 [inline] hub_event+0x2c67/0x4fa0 drivers/usb/core/hub.c:5913 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:16:34:55:d8:27:a3, vlan:0)