1FILE: net/netfilter/x_tables.c 2 3=============================== 4[ INFO: suspicious RCU usage. ] 5Call Trace: 6 [<ffffffff81c8f6cd>] __dump_stack lib/dump_stack.c:15 [inline] 7 [<ffffffff81c8f6cd>] dump_stack+0xc1/0x124 lib/dump_stack.c:51 8 [<ffffffff81614578>] warn_alloc+0x208/0x230 mm/page_alloc.c:2850 9 [<ffffffff816d0915>] __vmalloc_area_node_memcg mm/vmalloc.c:1647 [inline] 10 [<ffffffff816d0915>] __vmalloc_node_range_memcg+0x375/0x670 mm/vmalloc.c:1690 11 [<ffffffff816d0c79>] __vmalloc_node_memcg mm/vmalloc.c:1751 [inline] 12 [<ffffffff816d0c79>] __vmalloc_node_memcg_flags mm/vmalloc.c:1788 [inline] 13 [<ffffffff816d0c79>] vmalloc+0x69/0x70 mm/vmalloc.c:1803 14 [<ffffffff8279a0b0>] xt_alloc_table_info+0xd0/0x100 net/netfilter/x_tables.c:952 15 [<ffffffff829a50bc>] do_replace net/ipv4/netfilter/ip_tables.c:1140 [inline] 16 [<ffffffff829a50bc>] do_ipt_set_ctl+0x21c/0x430 net/ipv4/netfilter/ip_tables.c:1687 17 [<ffffffff827436ac>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] 18