bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5736/1:b..l rcu: (detected by 0, t=10503 jiffies, g=29609, q=1259 ncpus=2) task:kworker/0:6 state:R running task stack:25288 pid:5736 tgid:5736 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events send_dm_alert Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x17d9/0x56c0 kernel/sched/core.c:7234 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7556 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:unwind_next_frame+0x11df/0x2550 arch/x86/kernel/unwind_orc.c:670 Code: 89 3b 43 0f b6 44 25 00 84 c0 0f 85 29 11 00 00 49 8d 46 36 c6 00 00 49 8d 5e 50 4c 8b 6c 24 18 48 8b 44 24 30 42 0f b6 04 20 <84> c0 4c 8b 04 24 0f 85 46 0e 00 00 42 0f b6 44 25 00 84 c0 0f 85 RSP: 0018:ffffc9000470f488 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc9000470f5d8 RCX: 0000000000000000 RDX: ffffffff90ee40da RSI: 0000000000000000 RDI: ffffc9000470f5e8 RBP: 1ffffffff21dc81b R08: ffffc9000470f5e7 R09: 0000000000000000 R10: ffffc9000470f5d8 R11: fffff520008e1ebd R12: dffffc0000000000 R13: ffffffff90ee40d6 R14: ffffc9000470f588 R15: ffffc9000470f5d0 __unwind_start+0x514/0x660 arch/x86/kernel/unwind_orc.c:787 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xe3/0x150 arch/x86/kernel/stacktrace.c:24 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:1406 [inline] __free_frozen_pages+0xc1e/0xd10 mm/page_alloc.c:2950 __slab_free+0x274/0x2c0 mm/slub.c:5741 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_slab_alloc+0x22/0x80 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4584 [inline] slab_alloc_node mm/slub.c:4917 [inline] __do_kmalloc_node mm/slub.c:5333 [inline] __kmalloc_node_track_caller_noprof+0x461/0x730 mm/slub.c:5471 kmalloc_reserve net/core/skbuff.c:637 [inline] __alloc_skb+0x2bd/0x7a0 net/core/skbuff.c:715 alloc_skb include/linux/skbuff.h:1384 [inline] nlmsg_new include/net/netlink.h:1055 [inline] genlmsg_new include/net/genetlink.h:613 [inline] reset_per_cpu_data+0x31/0x1e0 net/core/drop_monitor.c:146 send_dm_alert+0x21/0x100 net/core/drop_monitor.c:197 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 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 net_ratelimit: 41424 callbacks suppressed bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:96:35:1c:6e:eb:21, vlan:0)