bridge0: received packet on veth0_to_bridge with own address as source address (addr:3a:24:57:e1:e9:c3, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P24049/1:b..l rcu: (detected by 1, t=10503 jiffies, g=209793, q=771 ncpus=2) task:kworker/0:7 state:R running task stack:25992 pid:24049 tgid:24049 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0x15dd/0x52d0 kernel/sched/core.c:6911 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7238 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:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:114 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:128 [inline] RIP: 0010:lock_acquire+0xac/0x2e0 kernel/locking/lockdep.c:5864 Code: c1 00 00 00 65 8b 05 c3 49 7b 11 85 c0 0f 85 b2 00 00 00 65 48 8b 05 0b 04 7b 11 83 b8 54 0b 00 00 00 0f 85 9d 00 00 00 9c 5b 48 c7 c7 36 39 f1 8d e8 a7 b1 0d 0a 65 ff 05 90 49 7b 11 45 31 RSP: 0018:ffffc90005cef8f0 EFLAGS: 00000246 RAX: ffff888032990000 RBX: 0000000000000246 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff823c3197 RDI: 1ffffffff1cebcbc RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed100b01f0ea R12: 0000000000000002 R13: ffffffff8e75e5e0 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:312 [inline] rcu_read_lock include/linux/rcupdate.h:850 [inline] __page_table_check_zero+0x87/0x3e0 mm/page_table_check.c:138 page_table_check_free include/linux/page_table_check.h:46 [inline] __free_pages_prepare mm/page_alloc.c:1434 [inline] __free_frozen_pages+0xc3b/0xdb0 mm/page_alloc.c:2978 __slab_free+0x263/0x2b0 mm/slub.c:5573 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_kmalloc+0x22/0xb0 mm/kasan/common.c:406 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_node_noprof+0x3ef/0x6b0 mm/slub.c:5392 kmalloc_node_noprof include/linux/slab.h:1077 [inline] alloc_worker kernel/workqueue.c:2660 [inline] create_worker+0x113/0x7e0 kernel/workqueue.c:2803 maybe_create_worker kernel/workqueue.c:3075 [inline] manage_workers kernel/workqueue.c:3152 [inline] worker_thread+0x4d8/0xfc0 kernel/workqueue.c:3415 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 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:3a:24:57:e1:e9:c3, 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:3a:24:57:e1:e9:c3, 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)