------------[ cut here ]------------
Illegal XDP return value 4294967283, expect packet loss!
WARNING: CPU: 0 PID: 18556 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action net/core/filter.c:8188 [inline]
WARNING: CPU: 0 PID: 18556 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8184
Modules linked in:
CPU: 0 PID: 18556 Comm: kworker/u4:1 Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:bpf_warn_invalid_xdp_action net/core/filter.c:8188 [inline]
RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8184
Code: 80 77 ae 8a 41 83 fc 04 48 c7 c6 c0 77 ae 8a 48 0f 46 ee e8 a3 83 42 fa 44 89 e2 48 c7 c7 00 78 ae 8a 48 89 ee e8 dd 61 cb 01 <0f> 0b 5b 5d 41 5c e9 86 83 42 fa 66 0f 1f 44 00 00 41 57 41 56 49
RSP: 0018:ffffc900000079b0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801aad1d00 RSI: ffffffff815f0948 RDI: fffff52000000f28
RBP: ffffffff8aae7780 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815ea6ee R11: 0000000000000000 R12: 00000000fffffff3
R13: ffffc90000007a48 R14: 00000000fffffff3 R15: ffffc90002c11000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f42eec68743 CR3: 000000007606c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 veth_xdp_rcv_skb+0x68f/0x1b20 drivers/net/veth.c:804
 veth_xdp_rcv+0x39b/0x9a0 drivers/net/veth.c:881
 veth_poll+0x134/0x850 drivers/net/veth.c:917
 __napi_poll+0xaf/0x440 net/core/dev.c:7023
 napi_poll net/core/dev.c:7090 [inline]
 net_rx_action+0x801/0xb40 net/core/dev.c:7177
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 do_softirq.part.0+0xde/0x130 kernel/softirq.c:459
 </IRQ>
 <TASK>
 do_softirq kernel/softirq.c:451 [inline]
 __local_bh_enable_ip+0x102/0x120 kernel/softirq.c:383
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:758 [inline]
 __dev_queue_xmit+0x196a/0x3650 net/core/dev.c:4256
 batadv_send_skb_packet+0x4a9/0x5f0 net/batman-adv/send.c:108
 batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:393 [inline]
 batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:421 [inline]
 batadv_iv_send_outstanding_bat_ogm_packet+0x6d7/0x910 net/batman-adv/bat_iv_ogm.c:1701
 process_one_work+0x9b2/0x1660 kernel/workqueue.c:2298
 worker_thread+0x65d/0x1130 kernel/workqueue.c:2445
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>