bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:e7:0a:d6:d8:d9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5195/1:b..l rcu: (detected by 0, t=10502 jiffies, g=103177, q=827 ncpus=1) task:udevd state:R running task stack:23688 pid:5195 tgid:5195 ppid:1 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0xfee/0x6120 kernel/sched/core.c:6911 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7238 irqentry_exit+0x17b/0x670 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:883 [inline] RIP: 0010:class_rcu_destructor include/linux/rcupdate.h:1193 [inline] RIP: 0010:unwind_next_frame+0x3c3/0x1ea0 arch/x86/kernel/unwind_orc.c:495 Code: 41 c7 45 00 00 00 00 00 31 ed e8 48 cf d6 09 85 c0 0f 85 90 03 00 00 48 c7 c7 60 77 7e 8e 48 8d 35 00 00 00 00 e8 3d b2 2c 00 88 16 36 00 e9 73 fc ff ff 49 81 ff 00 40 5e 92 72 0d 49 81 ff RSP: 0018:ffffc900030778b8 EFLAGS: 00000286 RAX: 0000000000000000 RBX: ffffc90003077a58 RCX: ffffc9000307787c RDX: 0000000000000003 RSI: ffffffff8de5d4f2 RDI: ffffffff8c1b1da0 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000007 R10: 0000000000000200 R11: 000000000000f2e8 R12: ffffc90003077978 R13: ffffc90003077928 R14: ffffc90003077a58 R15: ffffc9000307795c arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x162/0x1e0 mm/page_owner.c:165 __reset_page_owner+0x84/0x190 mm/page_owner.c:320 reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0x7e1/0x10d0 mm/page_alloc.c:2978 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x47/0xe0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4538 [inline] slab_alloc_node mm/slub.c:4866 [inline] kmem_cache_alloc_lru_noprof+0x246/0x6e0 mm/slub.c:4885 __d_alloc+0x34/0xa80 fs/dcache.c:1740 d_alloc+0x4a/0x1e0 fs/dcache.c:1819 lookup_one_qstr_excl+0x175/0x250 fs/namei.c:1801 __start_dirop fs/namei.c:2931 [inline] start_dirop fs/namei.c:2940 [inline] filename_unlinkat+0x275/0x730 fs/namei.c:5527 __do_sys_unlink fs/namei.c:5581 [inline] __se_sys_unlink fs/namei.c:5578 [inline] __x64_sys_unlink+0x46/0x70 fs/namei.c:5578 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f850f915937 RSP: 002b:00007ffc32de0228 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f850f915937 RDX: 0000000000000000 RSI: 000000003d36c6c0 RDI: 000055ea8690702e RBP: 0000000000000000 R08: 000000003d3bea03 R09: 0000000000000000 R10: 00007f8510145000 R11: 0000000000000202 R12: 0000000000000000 R13: 000055ea86922100 R14: 0000000000000000 R15: 0000000000000000 net_ratelimit: 10504 callbacks suppressed bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:e7:0a:d6:d8:d9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, 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:ee:e7:0a:d6:d8:d9, 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:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:e7:0a:d6:d8:d9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, 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: 11426 callbacks suppressed bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:e7:0a:d6:d8:d9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, 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:ee:e7:0a:d6:d8:d9, 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:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ee:e7:0a:d6:d8:d9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)