bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P14763/1:b..l rcu: (detected by 1, t=10503 jiffies, g=230049, q=1091 ncpus=2) task:kworker/1:2 state:R running task stack:20584 pid:14763 tgid:14763 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7234 irqentry_exit+0x599/0x620 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_acquire+0x20b/0x2e0 kernel/locking/lockdep.c:5872 Code: e9 30 ff ff ff e8 f5 23 17 0a f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 71 71 9f 11 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 56 0a 1a 0a cc 48 8d 3d 6e 0d 95 RSP: 0018:ffffc90003f26f98 EFLAGS: 00000282 RAX: 4c5c49e0491c1500 RBX: 0000000000000246 RCX: 0000000000000046 RDX: 000000002693af36 RSI: ffffffff8e2832c1 RDI: ffffffff8c29bf80 RBP: 0000000000000000 R08: ffffffff8176da45 R09: ffffffff8e9602e0 R10: ffffc90003f270f8 R11: ffffffff81b11580 R12: 0000000000000002 R13: ffffffff8e9602e0 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:312 [inline] rcu_read_lock include/linux/rcupdate.h:850 [inline] class_rcu_constructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0xc2/0x23c0 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 save_stack+0x122/0x230 mm/page_owner.c:165 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:320 reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978 __slab_free+0x263/0x2b0 mm/slub.c:5532 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:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4501 [inline] slab_alloc_node mm/slub.c:4830 [inline] __do_kmalloc_node mm/slub.c:5218 [inline] __kmalloc_noprof+0x316/0x760 mm/slub.c:5231 kmalloc_noprof include/linux/slab.h:966 [inline] kzalloc_noprof include/linux/slab.h:1204 [inline] rh_call_control drivers/usb/core/hcd.c:487 [inline] rh_urb_enqueue drivers/usb/core/hcd.c:817 [inline] usb_hcd_submit_urb+0x790/0x1b70 drivers/usb/core/hcd.c:1538 usb_start_wait_urb+0x12b/0x510 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x232/0x3e0 drivers/usb/core/message.c:154 get_port_status drivers/usb/core/hub.c:607 [inline] hub_ext_port_status+0x116/0x820 drivers/usb/core/hub.c:624 usb_hub_port_status drivers/usb/core/hub.c:674 [inline] port_event drivers/usb/core/hub.c:5761 [inline] hub_event+0x771/0x4f30 drivers/usb/core/hub.c:5953 process_one_work+0x949/0x1650 kernel/workqueue.c:3279 process_scheduled_works kernel/workqueue.c:3362 [inline] worker_thread+0xb46/0x1140 kernel/workqueue.c:3443 kthread+0x388/0x470 kernel/kthread.c:467 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 net_ratelimit: 7733 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:78:7a:a5:b4:cd, vlan:0)