------------[ cut here ]------------
Illegal XDP return value 4294967274, expect packet loss!
WARNING: CPU: 1 PID: 6854 at net/core/filter.c:7533 bpf_warn_invalid_xdp_action net/core/filter.c:7533 [inline]
WARNING: CPU: 1 PID: 6854 at net/core/filter.c:7533 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:7529
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 6854 Comm: syz-executor777 Not tainted 5.9.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x198/0x1fd lib/dump_stack.c:118
 panic+0x347/0x7c0 kernel/panic.c:231
 __warn.cold+0x20/0x46 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:bpf_warn_invalid_xdp_action net/core/filter.c:7533 [inline]
RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:7529
Code: e0 15 00 89 41 83 fc 04 48 c7 c6 20 16 00 89 48 0f 46 ee e8 73 1a 2d fb 44 89 e2 48 c7 c7 60 16 00 89 48 89 ee e8 83 f8 fd fa <0f> 0b 5b 5d 41 5c e9 56 1a 2d fb 66 0f 1f 44 00 00 41 57 41 56 49
RSP: 0018:ffffc90000da8a88 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880941ca040 RSI: ffffffff815dbd97 RDI: fffff520001b5143
RBP: ffffffff890015e0 R08: 0000000000000001 R09: ffff8880ae731927
R10: 0000000000000000 R11: 0000000000003143 R12: 00000000ffffffea
R13: 0000000000000001 R14: 0000000000000608 R15: ffffc90000da8c78
 netif_receive_generic_xdp+0xe58/0x1760 net/core/dev.c:4692
 do_xdp_generic net/core/dev.c:4740 [inline]
 do_xdp_generic net/core/dev.c:4733 [inline]
 __netif_receive_skb_core+0x11ee/0x3690 net/core/dev.c:5112
 __netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:5284
 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5400
 process_backlog+0x2e1/0x8e0 net/core/dev.c:6242
 napi_poll net/core/dev.c:6688 [inline]
 net_rx_action+0x4f8/0xf90 net/core/dev.c:6758
 __do_softirq+0x1f7/0xa91 kernel/softirq.c:298
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x235/0x280 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581
RIP: 0010:write_comp_data+0x78/0x80 kernel/kcov.c:242
Code: 00 00 4e 8d 0c dd 28 00 00 00 4c 39 ce 72 1b 49 83 c0 01 4a 89 7c 08 e0 4e 89 54 08 e8 4a 89 54 08 f0 4a 89 4c d8 20 4c 89 00 <c3> 0f 1f 80 00 00 00 00 48 8b 0c 24 40 0f b6 d6 40 0f b6 f7 31 ff
RSP: 0018:ffffc90001fa6df0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 00000000ffffffd7 RCX: ffffffff814e5acb
RDX: 0000000000000001 RSI: ffff8880941ca040 RDI: 0000000000000005
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff888091b6e957
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff8a831780 R14: 0000000000000000 R15: ffffffff8a8161a0
 notifier_call_chain+0x16b/0x200 kernel/notifier.c:77
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2033
 netdev_state_change net/core/dev.c:1463 [inline]
 netdev_state_change+0x100/0x130 net/core/dev.c:1456
 do_setlink+0x3040/0x3a70 net/core/rtnetlink.c:2936
 rtnl_group_changelink net/core/rtnetlink.c:3225 [inline]
 __rtnl_newlink+0xde5/0x1740 net/core/rtnetlink.c:3379
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500
 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5563
 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2470
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:671
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x4436f9
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 0f fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffe015a7028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004436f9
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 00007ffe015a7030 R08: 0000000001bbbbbb R09: 0000000001bbbbbb
R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffe015a7040
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..