bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:58:af:3c:67:c1, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8360/1:b..l rcu: (detected by 0, t=10503 jiffies, g=25317, q=1796 ncpus=2) task:modprobe state:R running task stack:27160 pid:8360 tgid:8360 ppid:8359 task_flags:0x400000 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:118 [inline] RIP: 0010:lock_acquire kernel/locking/lockdep.c:5844 [inline] RIP: 0010:lock_acquire+0x102/0x330 kernel/locking/lockdep.c:5825 Code: 65 ff 0d 71 aa 18 12 0f 85 4f ff ff ff e8 c6 58 92 ff e9 45 ff ff ff 48 8b 74 24 68 48 89 df e8 54 87 8d 00 8b 0d 72 88 ef 0e <85> c9 0f 84 b1 00 00 00 65 8b 05 57 f1 18 12 85 c0 0f 85 a2 00 00 RSP: 0018:ffffc9000bfb7290 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff8e3c9520 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff816c8681 RDI: fffffbfff1c792a4 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000012711 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:867 [inline] class_rcu_constructor include/linux/rcupdate.h:1195 [inline] unwind_next_frame+0xd1/0x20b0 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5263 [inline] kmem_cache_alloc_noprof+0x25e/0x770 mm/slub.c:5270 vm_area_alloc+0x1f/0x160 mm/vma_init.c:32 __mmap_new_vma mm/vma.c:2469 [inline] __mmap_region+0x107a/0x2a00 mm/vma.c:2708 mmap_region+0x1ab/0x3f0 mm/vma.c:2786 do_mmap+0xa3e/0x1210 mm/mmap.c:558 vm_mmap_pgoff+0x29e/0x470 mm/util.c:581 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:604 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f15b9658242 RSP: 002b:00007ffd57cbd1d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f15b9628000 RCX: 00007f15b9658242 RDX: 0000000000000003 RSI: 0000000000004000 RDI: 00007f15b9628000 RBP: 0000000000000812 R08: 0000000000000000 R09: 00000000000be000 R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffd57cbd298 R13: 00007f15b962c0c0 R14: 00007ffd57cbd5e0 R15: 00000fffaaf97a3e bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:58:af:3c:67:c1, 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:22:58:af:3c:67:c1, 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:22:58:af:3c:67:c1, 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:22:58:af:3c:67:c1, 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:22:58:af:3c:67:c1, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)