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): P2/1:b..l rcu: (detected by 0, t=10503 jiffies, g=214297, q=731 ncpus=2) task:kthreadd state:R running task stack:25008 pid:2 tgid:2 ppid:0 task_flags:0x208040 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5378 [inline] __schedule+0x190e/0x4c90 kernel/sched/core.c:6765 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7087 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__is_kernel_text include/asm-generic/sections.h:213 [inline] RIP: 0010:is_kernel_text include/linux/kallsyms.h:29 [inline] RIP: 0010:core_kernel_text kernel/extable.c:68 [inline] RIP: 0010:kernel_text_address+0x17/0xe0 kernel/extable.c:99 Code: 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 56 53 48 89 fb 48 c7 c0 00 00 00 81 bd 01 00 00 00 <48> 39 c7 72 0c 48 c7 c0 2d 25 0c 8c 48 39 c3 72 0c 48 89 df e8 b0 RSP: 0018:ffffc900000772f0 EFLAGS: 00000246 RAX: ffffffff81000000 RBX: ffffffff81812ee0 RCX: 0000000080000000 RDX: dffffc0000000000 RSI: ffffc90000070000 RDI: ffffffff81812ee0 RBP: 0000000000000001 R08: ffffc90000077c90 R09: 0000000000000000 R10: ffffc90000077390 R11: fffff5200000ee74 R12: ffff88801c2e9e00 R13: ffffffff81ad4640 R14: dffffc0000000000 R15: 1ffff9200000ee71 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0xfd/0x150 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 save_stack+0xfb/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x76/0x430 mm/page_owner.c:297 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660 discard_slab mm/slub.c:2684 [inline] __put_partials+0x160/0x1c0 mm/slub.c:3153 put_cpu_partial+0x17c/0x250 mm/slub.c:3228 __slab_free+0x290/0x380 mm/slub.c:4479 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x23/0xb0 mm/kasan/common.c:385 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4294 [inline] __kmalloc_noprof+0x285/0x4c0 mm/slub.c:4306 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] lsm_blob_alloc security/security.c:684 [inline] lsm_task_alloc security/security.c:771 [inline] security_task_alloc+0x4a/0x340 security/security.c:3160 copy_process+0x15f8/0x3cf0 kernel/fork.c:2385 kernel_clone+0x226/0x8e0 kernel/fork.c:2815 kernel_thread+0x1c0/0x250 kernel/fork.c:2877 create_kthread kernel/kthread.c:487 [inline] kthreadd+0x60d/0x810 kernel/kthread.c:847 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> net_ratelimit: 30792 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 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) net_ratelimit: 34688 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 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)