IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready ip_tables: iptables: counters copy to user failed while replacing table IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready : caps=(0x0000000000000000, 0x00000144401d7c69) len=572 data_len=0 gso_size=104 gso_type=1 ip_summed=3 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7029 at net/core/dev.c:2618 skb_warn_bad_offload.cold.148+0x1bd/0x41c net/core/dev.c:2613 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7029 Comm: syz-executor.0 Not tainted 4.14.167-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+0xf7/0x13b lib/dump_stack.c:58 panic+0x1b0/0x358 kernel/panic.c:183 __warn.cold.8+0x25/0x2c kernel/panic.c:547 report_bug+0x1a4/0x1f3 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] do_error_trap+0x1bd/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:skb_warn_bad_offload.cold.148+0x1bd/0x41c net/core/dev.c:2613 RSP: 0018:ffff88809306f270 EFLAGS: 00010282 RAX: 0000000000000066 RBX: ffff8880a86078c0 RCX: 0000000000000000 RDX: 0000000000000066 RSI: ffffffff86cc2c20 RDI: ffffed101260de45 RBP: ffff88809306f2c0 R08: ffff8880937889a0 R09: 0000000000000000 R10: 0000000000000000 R11: dffffc0000000000 R12: ffffffff87576b60 R13: 0000000000000001 R14: 0000000000000068 R15: ffff88809eb528e8 skb_checksum_help+0x55c/0x880 net/core/dev.c:2634 checksum_tg+0x48/0x57 net/netfilter/xt_CHECKSUM.c:29 ipt_do_table+0xa7e/0x1660 net/ipv4/netfilter/ip_tables.c:353 ipt_mangle_out net/ipv4/netfilter/iptable_mangle.c:64 [inline] iptable_mangle_hook+0x2db/0x5d0 net/ipv4/netfilter/iptable_mangle.c:89 nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline] nf_hook_slow+0xa1/0x180 net/netfilter/core.c:467 nf_hook include/linux/netfilter.h:205 [inline] __ip_local_out+0x34f/0x6d0 net/ipv4/ip_output.c:113 ip_local_out+0x1d/0x130 net/ipv4/ip_output.c:122 ip_queue_xmit+0x721/0x1d90 net/ipv4/ip_output.c:504 __tcp_transmit_skb+0x15fe/0x34a0 net/ipv4/tcp_output.c:1131 tcp_transmit_skb net/ipv4/tcp_output.c:1147 [inline] tcp_write_xmit+0x591/0x5300 net/ipv4/tcp_output.c:2391 tcp_push_one+0xa8/0xe0 net/ipv4/tcp_output.c:2586 tcp_sendmsg_locked+0x155c/0x3cc0 net/ipv4/tcp.c:1406 tcp_sendmsg+0x27/0x40 net/ipv4/tcp.c:1457 inet_sendmsg+0x108/0x440 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:656 SYSC_sendto+0x1e3/0x2c0 net/socket.c:1763 SyS_sendto+0x9/0x10 net/socket.c:1731 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007f0dbc06dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a919 RDX: 0000000000008293 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000027 R10: 0000000004000002 R11: 0000000000000246 R12: 00007f0dbc06e6d4 R13: 00000000004c9ab3 R14: 00000000004e1a20 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..