IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready Illegal XDP return value 4294967274, expect packet loss! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7962 at net/core/filter.c:3647 bpf_warn_invalid_xdp_action net/core/filter.c:3647 [inline] WARNING: CPU: 1 PID: 7962 at net/core/filter.c:3647 bpf_warn_invalid_xdp_action.cold+0x3c/0x43 net/core/filter.c:3643 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7962 Comm: syz-executor.5 Not tainted 4.14.249-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+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 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:bpf_warn_invalid_xdp_action net/core/filter.c:3647 [inline] RIP: 0010:bpf_warn_invalid_xdp_action.cold+0x3c/0x43 net/core/filter.c:3643 RSP: 0018:ffff8880ba507200 EFLAGS: 00010282 RAX: 0000000000000038 RBX: 1ffff110174a0e49 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff878bbc40 RDI: ffffed10174a0e36 RBP: ffffffff88564180 R08: 0000000000000038 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea R13: ffffc90005bc6000 R14: 0000000000000000 R15: ffff8880a4a00406 netif_receive_generic_xdp+0x554/0x950 net/core/dev.c:3956 do_xdp_generic.part.0+0x22/0xc0 net/core/dev.c:4001 do_xdp_generic net/core/dev.c:4039 [inline] netif_rx_internal+0x219/0x800 net/core/dev.c:4039 dev_forward_skb+0x39/0x50 net/core/dev.c:1866 veth_xmit+0xf1/0x300 drivers/net/veth.c:114 __netdev_start_xmit include/linux/netdevice.h:4051 [inline] netdev_start_xmit include/linux/netdevice.h:4060 [inline] xmit_one net/core/dev.c:3005 [inline] dev_hard_start_xmit+0x188/0x890 net/core/dev.c:3021 __dev_queue_xmit+0x1d7f/0x2480 net/core/dev.c:3521 bond_dev_queue_xmit+0xf1/0x360 drivers/net/bonding/bond_main.c:256 bond_xmit_slave_id+0x187/0x410 drivers/net/bonding/bond_main.c:3826 bond_xmit_roundrobin drivers/net/bonding/bond_main.c:3902 [inline] __bond_start_xmit drivers/net/bonding/bond_main.c:4158 [inline] bond_start_xmit+0xbd8/0x12b0 drivers/net/bonding/bond_main.c:4192 __netdev_start_xmit include/linux/netdevice.h:4051 [inline] netdev_start_xmit include/linux/netdevice.h:4060 [inline] xmit_one net/core/dev.c:3005 [inline] dev_hard_start_xmit+0x188/0x890 net/core/dev.c:3021 __dev_queue_xmit+0x1d7f/0x2480 net/core/dev.c:3521 neigh_resolve_output+0x4e5/0x870 net/core/neighbour.c:1369 neigh_output include/net/neighbour.h:500 [inline] ip6_finish_output2+0xf48/0x1f10 net/ipv6/ip6_output.c:120 ip6_finish_output+0x5c6/0xd50 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x1c5/0x660 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:470 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] mld_sendpack+0x5fe/0xea0 net/ipv6/mcast.c:1657 mld_send_cr net/ipv6/mcast.c:1953 [inline] mld_ifc_timer_expire+0x57c/0xcd0 net/ipv6/mcast.c:2452 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 __run_timers kernel/time/timer.c:1637 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1016 do_softirq.part.0+0x154/0x1b0 kernel/softirq.c:332 do_softirq kernel/softirq.c:324 [inline] __local_bh_enable_ip+0x12b/0x170 kernel/softirq.c:185 inet6_addr_add+0x20a/0x400 net/ipv6/addrconf.c:2876 inet6_rtm_newaddr+0x7d4/0xa80 net/ipv6/addrconf.c:4611 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4320 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2435 netlink_unicast_kernel net/netlink/af_netlink.c:1289 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1315 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1880 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 SYSC_sendto net/socket.c:1763 [inline] SyS_sendto+0x1c7/0x2c0 net/socket.c:1731 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f4a5bb2e69c RSP: 002b:00007ffe8d4cd740 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f4a5cbb8320 RCX: 00007f4a5bb2e69c RDX: 0000000000000040 RSI: 00007f4a5cbb8370 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffe8d4cd794 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f4a5cbb8370 R14: 0000000000000003 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..