bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:c2:11:b5:75:31, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6162/1:b..l rcu: (detected by 1, t=10503 jiffies, g=28753, q=1374 ncpus=2) task:kworker/u10:7 state:R running task stack:25480 pid:6162 tgid:6162 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: kvfree_rcu_reclaim kfree_rcu_work Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:rcu_is_watching+0x80/0xc0 kernel/rcu/tree.c:752 Code: 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 24 8b 03 c1 e8 02 83 e0 01 65 ff 0d 90 c4 0f 12 <74> 07 5b 5d c3 cc cc cc cc e8 e2 42 89 ff 5b 5d c3 cc cc cc cc 48 RSP: 0018:ffffc900035875f0 EFLAGS: 00000286 RAX: 0000000000000001 RBX: ffff8880b84339e8 RCX: ffffc90003588001 RDX: 0000000000000000 RSI: ffffffff8bf2b580 RDI: ffffffff8dd74f20 RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000566a1aa7 R10: 0000000000000002 R11: 0000000000008422 R12: ffffffff816c79a4 R13: ffffc900035876c0 R14: ffffc90003587e00 R15: ffffc900035876f4 trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x201/0x2d0 kernel/locking/lockdep.c:5879 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock include/linux/rcupdate.h:897 [inline] class_rcu_destructor include/linux/rcupdate.h:1195 [inline] unwind_next_frame+0x3f9/0x20b0 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2540 [inline] slab_free_freelist_hook mm/slub.c:2569 [inline] slab_free_bulk mm/slub.c:6703 [inline] kmem_cache_free_bulk mm/slub.c:7390 [inline] kmem_cache_free_bulk+0x2bf/0x680 mm/slub.c:7369 kfree_bulk include/linux/slab.h:830 [inline] kvfree_rcu_bulk+0x1b7/0x1e0 mm/slab_common.c:1523 kfree_rcu_work+0x124/0x1a0 mm/slab_common.c:1601 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:c2:11:b5:75:31, 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 veth0_to_bridge with own address as source address (addr:52:c2:11:b5:75:31, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:c2:11:b5:75:31, vlan:0) net_ratelimit: 13605 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 veth0_to_bridge with own address as source address (addr:52:c2:11:b5:75:31, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:c2:11:b5:75:31, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)