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): P25777/1:b..l rcu: (detected by 0, t=10503 jiffies, g=172665, q=695 ncpus=2) task:syz.9.4725 state:R running task stack:25176 pid:25777 tgid:25774 ppid:18124 task_flags:0x400140 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5401 [inline] __schedule+0x16f5/0x4d00 kernel/sched/core.c:6790 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7113 irqentry_exit+0x6f/0x90 kernel/entry/common.c:307 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:218 [inline] RIP: 0010:unwind_next_frame+0x243/0x2390 arch/x86/kernel/unwind_orc.c:494 Code: 0f 85 1c 1c 00 00 45 8b 6d 00 44 89 f8 ff c0 48 8d 2c 85 74 18 de 90 48 89 e8 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 1c 1c 00 00 <44> 8b 45 00 41 ff c0 4a 8d 04 6d 00 00 00 00 4c 01 e8 48 8d 34 45 RSP: 0018:ffffc900042af458 EFLAGS: 00000246 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 9b85f98768703600 RDX: 00000000000a730c RSI: ffffffff8be29de0 RDI: ffffffff8be29da0 RBP: ffffffff90ff47fc R08: 0000000000000000 R09: ffffffff8172aae5 R10: ffffc900042af578 R11: ffffffff81ad03a0 R12: ffffffff894be1da R13: 000000000017bfb1 R14: ffffc900042af528 R15: 0000000000084be1 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:1248 [inline] __free_frozen_pages+0xc71/0xe70 mm/page_alloc.c:2706 vfree+0x25a/0x400 mm/vmalloc.c:3426 translate_table+0x1d09/0x2040 net/ipv6/netfilter/ip6_tables.c:751 do_replace net/ipv6/netfilter/ip6_tables.c:1154 [inline] do_ip6t_set_ctl+0x970/0xce0 net/ipv6/netfilter/ip6_tables.c:1644 nf_setsockopt+0x26c/0x290 net/netfilter/nf_sockopt.c:101 do_sock_setsockopt+0x25a/0x3e0 net/socket.c:2296 __sys_setsockopt net/socket.c:2321 [inline] __do_sys_setsockopt net/socket.c:2327 [inline] __se_sys_setsockopt net/socket.c:2324 [inline] __x64_sys_setsockopt+0x18b/0x220 net/socket.c:2324 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f30bff8e929 RSP: 002b:00007f30c0e9d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f30c01b5fa0 RCX: 00007f30bff8e929 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000004 RBP: 00007f30c0010b39 R08: 0000000000000068 R09: 0000000000000000 R10: 0000200000000fc0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f30c01b5fa0 R15: 00007f30c02dfa28 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) 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)