IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 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: 0 PID: 11914 at net/core/filter.c:3646 bpf_warn_invalid_xdp_action net/core/filter.c:3646 [inline] WARNING: CPU: 0 PID: 11914 at net/core/filter.c:3646 bpf_warn_invalid_xdp_action.cold+0x3c/0x43 net/core/filter.c:3642 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 11914 Comm: syz-executor.1 Not tainted 4.14.232-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: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:bpf_warn_invalid_xdp_action net/core/filter.c:3646 [inline] RIP: 0010:bpf_warn_invalid_xdp_action.cold+0x3c/0x43 net/core/filter.c:3642 RSP: 0018:ffff8880ba4074f0 EFLAGS: 00010282 RAX: 0000000000000038 RBX: 1ffff11017480ea7 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff878bbbc0 RDI: ffffed1017480e94 RBP: ffffffff88562c80 R08: 0000000000000038 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea R13: ffffc90001ac0000 R14: 0000000000000000 R15: ffff88809284de06 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 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:1660 mld_send_cr net/ipv6/mcast.c:1956 [inline] mld_ifc_timer_expire+0x57c/0xcd0 net/ipv6/mcast.c:2455 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 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:638 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106 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_acquire+0x1ec/0x3f0 kernel/locking/lockdep.c:4001 RSP: 0018:ffff88804feefb78 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e1259 RBX: ffff8880a4b06540 RCX: 191259261bb14be7 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffffffff88f77800 R08: 0000000000000000 R09: 0000000000020012 R10: ffff8880a4b06e18 R11: ffff8880a4b06540 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:629 [inline] workingset_activation+0x36/0x2c0 mm/workingset.c:312 mark_page_accessed+0x412/0x530 mm/swap.c:394 follow_page_pte+0xdf1/0x14c0 mm/gup.c:185 follow_pmd_mask mm/gup.c:283 [inline] follow_pud_mask mm/gup.c:354 [inline] follow_p4d_mask mm/gup.c:380 [inline] follow_page_mask+0xb67/0x18a0 mm/gup.c:433 __get_user_pages+0x43f/0x1270 mm/gup.c:726 populate_vma_page_range+0x17b/0x210 mm/gup.c:1246 __mm_populate+0x195/0x2c0 mm/gup.c:1294 mm_populate include/linux/mm.h:2194 [inline] SYSC_mlockall mm/mlock.c:816 [inline] SyS_mlockall+0x3ff/0x520 mm/mlock.c:790 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665d9 RSP: 002b:00007f452cdbe188 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffefe970d6f R14: 00007f452cdbe300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..