bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P2/1:b..l rcu: (detected by 0, t=10503 jiffies, g=18005, q=650 ncpus=2) task:kthreadd state:R running task stack:26152 pid:2 tgid:2 ppid:0 task_flags:0x208040 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7288 irqentry_exit+0x6f/0x90 kernel/entry/common.c:197 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:unwind_next_frame+0x1af/0x2390 arch/x86/kernel/unwind_orc.c:-1 Code: 7c 24 48 48 89 5c 24 10 0f b6 1b 48 8b 44 24 30 80 3c 28 00 4c 8b 7c 24 18 74 08 4c 89 ff e8 48 52 b0 00 4d 8b 27 48 83 f3 01 <48> c7 c2 00 41 88 8b 49 29 dc 0f 84 a2 01 00 00 49 81 fc 00 00 00 RSP: 0018:ffffc90000077298 EFLAGS: 00000202 RAX: 1ffff9200000ee76 RBX: 0000000000000001 RCX: 532a25dcee348400 RDX: 0000000000000000 RSI: ffffffff8be334e0 RDI: ffffffff8be334a0 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffc900000773b8 R11: ffffffff81ac3870 R12: ffffffff8182b220 R13: ffffc900000773b8 R14: ffffc90000077368 R15: ffffc900000773b0 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 save_stack+0xf5/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895 discard_slab mm/slub.c:2753 [inline] __put_partials+0x156/0x1a0 mm/slub.c:3218 put_cpu_partial+0x17c/0x250 mm/slub.c:3293 __slab_free+0x2d5/0x3c0 mm/slub.c:4550 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:340 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4180 [inline] slab_alloc_node mm/slub.c:4229 [inline] __do_kmalloc_node mm/slub.c:4364 [inline] __kmalloc_noprof+0x224/0x4f0 mm/slub.c:4377 kmalloc_noprof include/linux/slab.h:909 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] lsm_blob_alloc security/security.c:684 [inline] lsm_task_alloc security/security.c:771 [inline] security_task_alloc+0x4d/0x360 security/security.c:3190 copy_process+0x1530/0x3c00 kernel/fork.c:2157 kernel_clone+0x21e/0x840 kernel/fork.c:2605 kernel_thread+0x10c/0x160 kernel/fork.c:2667 create_kthread kernel/kthread.c:486 [inline] kthreadd+0x575/0x770 kernel/kthread.c:846 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 net_ratelimit: 32565 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) net_ratelimit: 31157 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:5e:6a:e8:20:43:33, vlan:0)