bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 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): P5918/1:b..l rcu: (detected by 0, t=10502 jiffies, g=315989, q=1465 ncpus=2) task:kworker/0:6 state:R running task stack:21344 pid:5918 tgid:5918 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events legacy_dvb_usb_read_remote_control Call Trace: context_switch kernel/sched/core.c:5354 [inline] __schedule+0x165c/0x5520 kernel/sched/core.c:6966 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7294 irqentry_exit+0x5e4/0x700 kernel/entry/common.c:240 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:121 [inline] RIP: 0010:lock_release+0x60/0x3c0 kernel/locking/lockdep.c:5881 Code: 56 02 00 00 89 c0 48 0f a3 05 dc 1d 91 0e 73 0d e8 35 f7 08 00 84 c0 0f 84 94 02 00 00 83 3d 96 50 91 0e 00 0f 84 1c 02 00 00 <65> 8b 05 79 64 9f 11 85 c0 0f 85 0d 02 00 00 65 4c 8b 3d c1 1e 9f RSP: 0018:ffffc90004d67370 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff90ca9901 RCX: 0000000080000001 RDX: ffffc90004d67401 RSI: ffffffff8c2a9240 RDI: ffffffff8c2a9200 RBP: dffffc0000000000 R08: ffffc90004d67ce8 R09: 0000000000000000 R10: ffffc90004d674f8 R11: fffff520009acea1 R12: ffffc90004d67cf8 R13: ffffffff81776256 R14: ffffffff8e95d260 R15: ffffffff81776256 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock include/linux/rcupdate.h:881 [inline] class_rcu_destructor include/linux/rcupdate.h:1193 [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:5605 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_kmalloc+0x22/0xb0 mm/kasan/common.c:406 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x31c/0x660 mm/slub.c:5412 kmalloc_noprof include/linux/slab.h:950 [inline] usb_control_msg+0x73/0x3e0 drivers/usb/core/message.c:157 m920x_read drivers/media/usb/dvb-usb/m920x.c:36 [inline] m920x_rc_query+0xcd/0x830 drivers/media/usb/dvb-usb/m920x.c:188 legacy_dvb_usb_read_remote_control+0x107/0x450 drivers/media/usb/dvb-usb/dvb-usb-remote.c:123 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 bridge0: received packet on veth0_to_bridge with own address as source address (addr:92:b5:c6:12:e1:b4, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:92:b5:c6:12:e1:b4, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) net_ratelimit: 30834 callbacks suppressed bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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:92:b5:c6:12:e1:b4, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:92:b5:c6:12:e1:b4, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:92:b5:c6:12:e1:b4, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) net_ratelimit: 29434 callbacks suppressed 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:92:b5:c6:12:e1:b4, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:92:b5:c6:12:e1:b4, vlan:0) net_ratelimit: 26638 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:92:b5:c6:12:e1:b4, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)