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): P15718/1:b..l rcu: (detected by 1, t=10502 jiffies, g=48501, q=600 ncpus=2) task:syz.4.3455 state:R running task stack:25352 pid:15718 tgid:15716 ppid:5837 task_flags:0x400140 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5396 [inline] __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7108 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:page_ext_get+0x1f5/0x2f0 mm/page_ext.c:540 Code: 40 0f 95 c5 4c 89 fe 48 83 e6 01 41 0f 94 c4 31 ff e8 af 70 91 ff 44 84 e5 75 07 e8 c5 6b 91 ff eb 1c 4c 0f af 35 eb 6f 80 17 <4d> 01 f7 74 0a e8 b1 6b 91 ff e9 96 00 00 00 e8 a7 6b 91 ff e8 c2 RSP: 0018:ffffc90017a9f248 EFLAGS: 00000202 RAX: ffffffff822ee2a1 RBX: ffffffff822ee0e2 RCX: ffff88802deb1e00 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff822ee0e2 R10: dffffc0000000000 R11: fffff9400020045f R12: 0000000000000101 R13: dffffc0000000000 R14: 0000000001402b70 R15: ffff88801b400000 __reset_page_owner+0x28/0x1f0 mm/page_owner.c:294 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 discard_slab mm/slub.c:2717 [inline] __put_partials+0x161/0x1c0 mm/slub.c:3186 put_cpu_partial+0x17c/0x250 mm/slub.c:3261 __slab_free+0x2f7/0x400 mm/slub.c:4513 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:385 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4328 [inline] __kvmalloc_node_noprof+0x30d/0x5f0 mm/slub.c:5015 allocate_hook_entries_size net/netfilter/core.c:58 [inline] __nf_hook_entries_try_shrink+0x316/0x6e0 net/netfilter/core.c:257 __nf_unregister_net_hook+0x4f6/0x700 net/netfilter/core.c:517 nf_unregister_net_hook net/netfilter/core.c:-1 [inline] nf_unregister_net_hooks+0xcb/0x140 net/netfilter/core.c:610 nf_ct_netns_do_put net/netfilter/nf_conntrack_proto.c:543 [inline] nf_ct_netns_put+0x36d/0x520 net/netfilter/nf_conntrack_proto.c:-1 cleanup_entry+0x265/0x320 net/ipv6/netfilter/ip6_tables.c:669 translate_table+0x1e5f/0x2040 net/ipv6/netfilter/ip6_tables.c:744 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 rawv6_setsockopt+0x23b/0x5b0 net/ipv6/raw.c:1046 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: 0033:0x7f3a5158e929 RSP: 002b:00007f3a52357038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f3a517b5fa0 RCX: 00007f3a5158e929 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000015 RBP: 00007f3a51610b39 R08: 0000000000000488 R09: 0000000000000000 R10: 0000200000000b00 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3a517b5fa0 R15: 00007ffd65799ea8 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 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 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 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 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)