ip_tables: iptables: counters copy to user failed while replacing table : caps=(0x0000000000000000, 0x00000144401d7c69) len=468 data_len=416 gso_size=104 gso_type=1 ip_summed=3 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 19698 at net/core/dev.c:2609 skb_warn_bad_offload.cold+0x1d1/0x44d net/core/dev.c:2609 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 19698 Comm: syz-executor.1 Not tainted 4.14.212-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x4b kernel/panic.c:547 report_bug+0x208/0x249 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:skb_warn_bad_offload.cold+0x1d1/0x44d net/core/dev.c:2609 RSP: 0018:ffff8880ba406f30 EFLAGS: 00010282 RAX: 0000000000000068 RBX: ffff88804eaa4da8 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff878bbac0 RDI: ffffed1017480ddc RBP: ffffffff88559320 R08: 0000000000000068 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff88557080 R13: 0000000000000068 R14: 00000000000001a0 R15: 00000000000001d4 skb_checksum_help+0x627/0x7d0 net/core/dev.c:2630 checksum_tg+0x52/0x65 net/netfilter/xt_CHECKSUM.c:29 ipt_do_table+0xa9a/0x16f0 net/ipv4/netfilter/ip_tables.c:353 ipt_mangle_out net/ipv4/netfilter/iptable_mangle.c:64 [inline] iptable_mangle_hook+0x2d5/0x560 net/ipv4/netfilter/iptable_mangle.c:89 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline] nf_hook_slow+0xb0/0x1a0 net/netfilter/core.c:467 nf_hook include/linux/netfilter.h:205 [inline] __ip_local_out+0x398/0x730 net/ipv4/ip_output.c:114 ip_local_out+0x25/0x170 net/ipv4/ip_output.c:123 ip_queue_xmit+0x7d3/0x1a80 net/ipv4/ip_output.c:505 __tcp_transmit_skb+0x17e2/0x2cb0 net/ipv4/tcp_output.c:1133 tcp_transmit_skb net/ipv4/tcp_output.c:1149 [inline] __tcp_retransmit_skb+0x6a8/0x1bd0 net/ipv4/tcp_output.c:2943 tcp_retransmit_skb+0x28/0x320 net/ipv4/tcp_output.c:2957 tcp_xmit_retransmit_queue.part.0+0x145/0x770 net/ipv4/tcp_output.c:3050 tcp_xmit_retransmit_queue+0x4d/0x60 net/ipv4/tcp_output.c:2997 tcp_xmit_recovery net/ipv4/tcp_input.c:3578 [inline] tcp_xmit_recovery net/ipv4/tcp_input.c:3564 [inline] tcp_ack+0x2378/0x4580 net/ipv4/tcp_input.c:3707 tcp_rcv_established+0x113f/0x1810 net/ipv4/tcp_input.c:5538 tcp_v4_do_rcv+0x541/0x7d0 net/ipv4/tcp_ipv4.c:1476 tcp_v4_rcv+0x275c/0x3560 net/ipv4/tcp_ipv4.c:1750 ip_local_deliver_finish+0x3f2/0xab0 net/ipv4/ip_input.c:216 NF_HOOK include/linux/netfilter.h:250 [inline] ip_local_deliver+0x167/0x460 net/ipv4/ip_input.c:257 dst_input include/net/dst.h:476 [inline] ip_rcv_finish+0x6e3/0x19f0 net/ipv4/ip_input.c:396 NF_HOOK include/linux/netfilter.h:250 [inline] ip_rcv+0x8a7/0xf01 net/ipv4/ip_input.c:493 __netif_receive_skb_core+0x15ee/0x2a30 net/core/dev.c:4474 __netif_receive_skb+0x27/0x1a0 net/core/dev.c:4512 process_backlog+0x218/0x6f0 net/core/dev.c:5194 napi_poll net/core/dev.c:5596 [inline] net_rx_action+0x466/0xfd0 net/core/dev.c:5662 __do_softirq+0x254/0xa1d kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:lock_release+0x41e/0x870 kernel/locking/lockdep.c:4020 RSP: 0018:ffff88804c39f088 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e1251 RBX: 1ffff11009873e14 RCX: 1ffff1100971117e RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000286 RBP: ffff88804b888340 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: ffff88804b888340 R12: fc2efaff7f3f1724 R13: 0000000000000003 R14: ffff88804b888340 R15: 0000000000000002 rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:685 [inline] sctp_packet_config+0x634/0xa20 net/sctp/output.c:135 sctp_outq_flush+0x17a5/0x30a0 net/sctp/outqueue.c:1092 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1787 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1179 [inline] sctp_do_sm+0x6b4/0x4c70 net/sctp/sm_sideeffect.c:1150 sctp_primitive_SEND+0x9b/0xc0 net/sctp/primitive.c:178 sctp_sendmsg+0x1705/0x2f30 net/sctp/socket.c:2045 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 sock_no_sendpage+0xe2/0x110 net/core/sock.c:2595 kernel_sendpage net/socket.c:3409 [inline] sock_sendpage+0x10d/0x140 net/socket.c:871 pipe_to_sendpage+0x226/0x2d0 fs/splice.c:451 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 splice_from_pipe fs/splice.c:661 [inline] generic_splice_sendpage+0xc1/0x110 fs/splice.c:832 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1018 splice_direct_to_actor+0x27c/0x730 fs/splice.c:973 do_splice_direct+0x164/0x210 fs/splice.c:1061 do_sendfile+0x47f/0xb30 fs/read_write.c:1441 SYSC_sendfile64 fs/read_write.c:1502 [inline] SyS_sendfile64+0xff/0x110 fs/read_write.c:1488 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e149 RSP: 002b:00007f51eaaecc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045e149 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 000000000119bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007fff48ef0edf R14: 00007f51eaaed9c0 R15: 000000000119bf8c Kernel Offset: disabled Rebooting in 86400 seconds..