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) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P26158/1:b..l rcu: (detected by 1, t=10502 jiffies, g=190525, q=1119 ncpus=1) task:syz.4.4914 state:R running task stack:25512 pid:26158 tgid:26152 ppid:12601 task_flags:0x400140 flags:0x00024006 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7288 irqentry_exit+0x36/0x90 kernel/entry/common.c:197 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5872 Code: 0c 3f 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 62 49 14 0f 0f 82 74 02 00 00 8b 35 fa 7a 14 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 b9 0b 3f 12 0f 85 c7 02 00 00 48 83 c4 RSP: 0018:ffffc9000c5b7958 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e5c1420 RCX: 00000000313e16ee RDX: 0000000000000000 RSI: ffffffff8de2a225 RDI: ffffffff8c163800 RBP: 0000000000000002 R08: 7a5fbb8395290457 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] mtree_load+0xf9/0xa40 lib/maple_tree.c:6323 vma_lookup include/linux/mm.h:3432 [inline] do_pages_stat_array mm/migrate.c:2433 [inline] do_pages_stat+0x521/0x820 mm/migrate.c:2503 kernel_move_pages+0xfa8/0x1380 mm/migrate.c:2584 __do_sys_move_pages mm/migrate.c:2595 [inline] __se_sys_move_pages mm/migrate.c:2590 [inline] __x64_sys_move_pages+0xe0/0x1c0 mm/migrate.c:2590 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f995178eec9 RSP: 002b:00007f99525cb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000117 RAX: ffffffffffffffda RBX: 00007f99519e5fa0 RCX: 00007f995178eec9 RDX: 0000000000000000 RSI: 0000400000000f54 RDI: 0000000000000001 RBP: 00007f9951811f91 R08: 0000000000000000 R09: 8000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f99519e6038 R14: 00007f99519e5fa0 R15: 00007fffb5435aa8 net_ratelimit: 11771 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 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:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:40:46:04:42:e8, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:40:46:04:42:e8, 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: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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) net_ratelimit: 12175 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:40:46:04:42:e8, 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: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 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:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:40:46:04:42:e8, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:be:40:46:04:42:e8, 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:0c, vlan:0)