bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9/1:b..l P5929/1:b..l rcu: (detected by 0, t=10503 jiffies, g=19017, q=1851 ncpus=2) task:kworker/0:5 state:R running task stack:27752 pid:5929 tgid:5929 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: 0x0 (wg-crypt-wg2) Call Trace: context_switch kernel/sched/core.c:5396 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6785 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7108 irqentry_exit+0x36/0x90 kernel/entry/common.c:307 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5875 Code: d8 13 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 02 20 f0 0e 0f 82 74 02 00 00 8b 35 ca 51 f0 0e 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 99 d8 13 12 0f 85 c7 02 00 00 48 83 c4 RSP: 0018:ffffc900053f7628 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e3c46c0 RCX: 000000005c4f6c4c RDX: 0000000000000000 RSI: ffffffff8dbed83e RDI: ffffffff8bf55a60 RBP: 0000000000000002 R08: b85e53afe369ef86 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:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [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:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1248 [inline] __free_frozen_pages+0x7fe/0x1180 mm/page_alloc.c:2706 discard_slab mm/slub.c:2717 [inline] __put_partials+0x16d/0x1c0 mm/slub.c:3186 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:385 kmalloc_noprof include/linux/slab.h:905 [inline] __kthread_create_on_node+0xce/0x3f0 kernel/kthread.c:511 kthread_create_on_node+0xc7/0x100 kernel/kthread.c:588 create_worker+0x416/0x7e0 kernel/workqueue.c:2802 maybe_create_worker kernel/workqueue.c:3063 [inline] manage_workers kernel/workqueue.c:3115 [inline] worker_thread+0x9dd/0xf10 kernel/workqueue.c:3377 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:kworker/0:0 state:R running task stack:25128 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: events_power_efficient gc_worker Call Trace: context_switch kernel/sched/core.c:5396 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6785 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7108 irqentry_exit+0x36/0x90 kernel/entry/common.c:307 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__seqprop_spinlock_sequence include/linux/seqlock.h:227 [inline] RIP: 0010:nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:333 [inline] RIP: 0010:gc_worker+0x2d5/0x16e0 net/netfilter/nf_conntrack_core.c:1537 Code: 00 00 48 c7 c7 68 d5 88 90 e8 17 3d f7 f7 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 35 c1 1a f8 58 48 85 db 0f 85 d4 0f 00 00 b6 c5 1a f8 8b 1d 00 12 e8 06 41 89 dc 31 ff 41 83 e4 01 44 89 RSP: 0018:ffffc900000e7b58 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff89a0ce99 RDX: ffff88801e298000 RSI: ffffffff89a0cea8 RDI: 0000000000000007 RBP: ffffffff9b02234c R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888024600000 R13: 0000000000040000 R14: dffffc0000000000 R15: 0000000000001770 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 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:f6:79:61:be:c9:9f, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:79:61:be:c9:9f, 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:f6:79:61:be:c9:9f, vlan:0) net_ratelimit: 16045 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 veth0_to_bridge with own address as source address (addr:f6:79:61:be:c9:9f, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:79:61:be:c9:9f, 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)