bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5825/1:b..l rcu: (detected by 0, t=10503 jiffies, g=45641, q=834 ncpus=2) task:kworker/1:3 state:R running task stack:14184 pid:5825 tgid:5825 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5387 [inline] __schedule+0x17b4/0x5680 kernel/sched/core.c:7188 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7512 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:547 [inline] irqentry_exit+0x14f/0x730 kernel/entry/common.c:164 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_release+0x9/0x3c0 kernel/locking/lockdep.c:5876 Code: ff 41 be 2f 00 00 00 e9 0e ff ff ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 <41> 55 41 54 53 48 83 ec 30 49 89 f5 49 89 fe 65 48 8b 05 a0 c3 9e RSP: 0018:ffffc90003856c38 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff90d76001 RCX: 0000000080000001 RDX: ffffc90003856d01 RSI: ffffffff81771256 RDI: ffffffff8e95cce0 RBP: dffffc0000000000 R08: ffffc90003856fc8 R09: 0000000000000000 R10: ffffc90003856d78 R11: fffff5200070adb1 R12: ffffc90003856fd8 R13: ffffc90003850000 R14: ffffc90003856d28 R15: ffffffff81771256 rcu_lock_release include/linux/rcupdate.h:310 [inline] rcu_read_unlock include/linux/rcupdate.h:869 [inline] class_rcu_destructor include/linux/rcupdate.h:1181 [inline] unwind_next_frame+0x1bba/0x2550 arch/x86/kernel/unwind_orc.c:709 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:1402 [inline] __free_frozen_pages+0xbc7/0xd30 mm/page_alloc.c:2943 __slab_free+0x274/0x2c0 mm/slub.c:5608 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x99/0x100 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:4569 [inline] slab_alloc_node mm/slub.c:4898 [inline] kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4905 __kernfs_new_node+0xea/0x970 fs/kernfs/dir.c:664 kernfs_new_node+0x102/0x210 fs/kernfs/dir.c:748 __kernfs_create_file+0x4b/0x2e0 fs/kernfs/file.c:1057 sysfs_add_file_mode_ns+0x238/0x300 fs/sysfs/file.c:313 create_files fs/sysfs/group.c:82 [inline] internal_create_group+0x673/0x1180 fs/sysfs/group.c:189 internal_create_groups fs/sysfs/group.c:229 [inline] sysfs_create_groups+0x59/0x120 fs/sysfs/group.c:255 device_add_groups drivers/base/core.c:2837 [inline] device_add_attrs+0x1bf/0x5b0 drivers/base/core.c:2912 device_add+0x496/0xbb0 drivers/base/core.c:3645 usb_create_ep_devs+0x12c/0x230 drivers/usb/core/endpoint.c:162 usb_new_device+0xaf7/0x16f0 drivers/usb/core/hub.c:2725 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+0x2a1c/0x4f30 drivers/usb/core/hub.c:5953 process_one_work kernel/workqueue.c:3302 [inline] process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 net_ratelimit: 7615 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:d4:99:eb:99:c6, vlan:0)