bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:c0:fa:14:41:7a, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5873/1:b..l rcu: (detected by 0, t=10503 jiffies, g=33713, q=874 ncpus=2) task:kworker/0:6 state:R running task stack:24168 pid:5873 tgid:5873 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events rht_deferred_worker Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7256 irqentry_exit+0x36/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5872 Code: e6 08 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 22 49 e9 0e 0f 82 74 02 00 00 8b 35 9a 79 e9 0e 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 39 e6 08 12 0f 85 c7 02 00 00 48 83 c4 RSP: 0018:ffffc9000402f5d8 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e3c4760 RCX: 00000000c5bceffa RDX: 0000000000000000 RSI: ffffffff8da065c9 RDI: ffffffff8bf070c0 RBP: 0000000000000002 R08: 2dcdc1b5f61fabae R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:867 [inline] class_rcu_constructor include/linux/rcupdate.h:1195 [inline] unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x84/0x1a0 mm/page_owner.c:311 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1394 [inline] __free_frozen_pages+0x7df/0x1160 mm/page_alloc.c:2906 discard_slab mm/slub.c:3330 [inline] __put_partials+0x130/0x170 mm/slub.c:3876 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:408 kasan_kmalloc include/linux/kasan.h:262 [inline] __do_kmalloc_node mm/slub.c:5650 [inline] __kvmalloc_node_noprof+0x3a3/0x9c0 mm/slub.c:7112 bucket_table_alloc.isra.0+0x88/0x460 lib/rhashtable.c:186 rhashtable_rehash_alloc+0x68/0x110 lib/rhashtable.c:367 rhashtable_shrink lib/rhashtable.c:411 [inline] rht_deferred_worker+0x1836/0x1fa0 lib/rhashtable.c:429 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 net_ratelimit: 22182 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:c0:fa:14:41:7a, 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:5e:c0:fa:14:41:7a, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:c0:fa:14:41:7a, 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:5e:c0:fa:14:41:7a, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:c0:fa:14:41:7a, 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:5e:c0:fa:14:41:7a, vlan:0)