------------[ cut here ]------------
Illegal XDP return value 4294967283, expect packet loss!
WARNING: CPU: 0 PID: 29091 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action net/core/filter.c:8188 [inline]
WARNING: CPU: 0 PID: 29091 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8184
Modules linked in:
CPU: 0 PID: 29091 Comm: kworker/u4:5 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_bla_periodic_work
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:ffffc90000007a78 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888018b70000 RSI: ffffffff815f0948 RDI: fffff52000000f41
RBP: ffffffff8aae7780 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815ea6ee R11: 0000000000000000 R12: 00000000fffffff3
R13: 00000000fffffff3 R14: 00000000fffffff3 R15: 00000000ffffffbc
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f094c726718 CR3: 000000004b0d9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 netif_receive_generic_xdp net/core/dev.c:4830 [inline]
 do_xdp_generic.part.0+0x80b/0xa00 net/core/dev.c:4878
 do_xdp_generic net/core/dev.c:4873 [inline]
 __netif_receive_skb_core+0x11b7/0x3770 net/core/dev.c:5286
 __netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:5463
 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5579
 process_backlog+0x2a5/0x6c0 net/core/dev.c:6455
 __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>
 netif_rx_ni+0x33a/0x590 net/core/dev.c:4973
 netif_rx_any_context+0x4e/0x60 net/core/dev.c:4992
 batadv_bla_send_claim+0x5b0/0xb70 net/batman-adv/bridge_loop_avoidance.c:446
 batadv_bla_send_announce+0x118/0x170 net/batman-adv/bridge_loop_avoidance.c:674
 batadv_bla_periodic_work+0x579/0x9f0 net/batman-adv/bridge_loop_avoidance.c:1480
 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>