kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 4096 Comm: sshd Not tainted 4.15.0+ #308 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ipt_do_table+0x12ee/0x1950 net/ipv4/netfilter/ip_tables.c:334 RSP: 0018:ffff8801db506360 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8801b7867880 RCX: ffffffff84b7613d RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8801b786775a RBP: ffff8801db506568 R08: ffff8801db506660 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff8801b7867700 R15: ffff8801db5064e0 FS: 00007fb81ff2a7c0(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2e25a99518 CR3: 00000001be9ca002 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: iptable_filter_hook+0x65/0x80 net/ipv4/netfilter/iptable_filter.c:41 nf_hook_entry_hookfn include/linux/netfilter.h:120 [inline] nf_hook_slow+0xba/0x1a0 net/netfilter/core.c:483 nf_hook include/linux/netfilter.h:243 [inline] NF_HOOK include/linux/netfilter.h:286 [inline] ip_local_deliver+0x445/0x6e0 net/ipv4/ip_input.c:257 dst_input include/net/dst.h:449 [inline] ip_rcv_finish+0xa36/0x2040 net/ipv4/ip_input.c:397 NF_HOOK include/linux/netfilter.h:288 [inline] ip_rcv+0xc5a/0x1840 net/ipv4/ip_input.c:493 __netif_receive_skb_core+0x1a41/0x3460 net/core/dev.c:4547 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4612 netif_receive_skb_internal+0x10b/0x670 net/core/dev.c:4686 napi_skb_finish net/core/dev.c:5048 [inline] napi_gro_receive+0x3d0/0x500 net/core/dev.c:5079 receive_buf+0xb6e/0x2530 drivers/net/virtio_net.c:916 virtnet_receive drivers/net/virtio_net.c:1160 [inline] virtnet_poll+0x320/0xb70 drivers/net/virtio_net.c:1240 napi_poll net/core/dev.c:5690 [inline] net_rx_action+0x792/0x1910 net/core/dev.c:5756 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1cc/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:541 [inline] do_IRQ+0xeb/0x190 arch/x86/kernel/irq.c:250 common_interrupt+0xa9/0xa9 arch/x86/entry/entry_64.S:600 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline] RIP: 0010:seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] RIP: 0010:read_seqcount_begin include/linux/seqlock.h:164 [inline] RIP: 0010:ktime_get_ts64+0x18f/0x4d0 kernel/time/timekeeping.c:875 RSP: 0018:ffff8801bde3fad0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffffd5 RAX: ffff8801c2d6a100 RBX: dffffc0000000000 RCX: ffffffff8161c57a RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000293 RBP: ffff8801bde3fbd0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037bc7f61 R13: ffff8801bde3fc20 R14: ffff8801bde3fba8 R15: 0000000000000293 poll_select_copy_remaining+0x152/0x620 fs/select.c:308 SYSC_select fs/select.c:697 [inline] SyS_select+0x1a6/0x230 fs/select.c:678 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x26/0x9b RIP: 0033:0x7fb81e2cadd3 RSP: 002b:00007ffd48283ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000017 RAX: ffffffffffffffda RBX: 00007ffd48283b50 RCX: 00007fb81e2cadd3 RDX: 000055fe83998af0 RSI: 000055fe83998b10 RDI: 000000000000000c RBP: 000055fe836798dc R08: 00007ffd48283af0 R09: 0101010101010101 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd48283b58 R13: 0000000000000000 R14: 00007ffd48283b48 R15: 00007ffd48283b4c Code: 46 52 02 75 41 e8 13 9c b9 fc 8b 85 80 fe ff ff 8d 70 01 89 b5 00 ff ff ff 48 8b b5 88 fe ff ff 4c 8d 24 c6 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 e8 01 00 00 8b 85 00 ff ff ff 4d 89 34 24 RIP: ipt_do_table+0x12ee/0x1950 net/ipv4/netfilter/ip_tables.c:334 RSP: ffff8801db506360 ---[ end trace 199fd19967f09597 ]---