------------[ cut here ]------------
Illegal XDP return value 4294967283, expect packet loss!
WARNING: CPU: 1 PID: 19 at net/core/filter.c:8190 bpf_warn_invalid_xdp_action+0x55/0x60 net/core/filter.c:8188
Modules linked in:
CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bpf_warn_invalid_xdp_action+0x55/0x60 net/core/filter.c:8188
Code: e8 f0 d6 60 f9 83 fb 04 48 c7 c0 00 3a 9a 8b 48 c7 c6 40 3a 9a 8b 48 0f 47 f0 48 c7 c7 a0 39 9a 8b 89 da 31 c0 e8 9b b9 2a f9 <0f> 0b 5b c3 0f 1f 80 00 00 00 00 55 41 57 41 56 41 55 41 54 53 50
RSP: 0000:ffffc90000d96cb0 EFLAGS: 00010246
RAX: 3012a30d3f6a1200 RBX: 00000000fffffff3 RCX: ffff88801203d700
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: ffffc90000d96db0 R08: ffffffff816a1042 R09: fffff520001b2ce9
R10: fffff520001b2ce9 R11: 0000000000000000 R12: 1ffff920001b2d9c
R13: ffff888071ebb8c0 R14: dffffc0000000000 R15: 00000000fffffff3
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200001c0 CR3: 0000000019d09000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netif_receive_generic_xdp net/core/dev.c:4830 [inline]
 do_xdp_generic+0x52b/0x6a0 net/core/dev.c:4878
 __netif_receive_skb_core+0x1d11/0x3e10 net/core/dev.c:5286
 __netif_receive_skb_one_core net/core/dev.c:5463 [inline]
 __netif_receive_skb+0x120/0x500 net/core/dev.c:5579
 netif_receive_skb_internal+0x108/0x360 net/core/dev.c:5665
 netif_receive_skb+0x19/0x30 net/core/dev.c:5724
 br_handle_frame_finish+0x139b/0x1940
 br_nf_hook_thresh+0x3db/0x4f0 net/bridge/br_netfilter_hooks.c:1025
 br_nf_pre_routing_finish_ipv6+0x942/0xbc0
 NF_HOOK include/linux/netfilter.h:307 [inline]
 br_nf_pre_routing_ipv6+0x294/0x340 net/bridge/br_netfilter_ipv6.c:236
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:230 [inline]
 br_handle_frame+0x875/0x1050 net/bridge/br_input.c:370
 __netif_receive_skb_core+0x14d8/0x3e10 net/core/dev.c:5359
 __netif_receive_skb_one_core net/core/dev.c:5463 [inline]
 __netif_receive_skb+0x120/0x500 net/core/dev.c:5579
 process_backlog+0x518/0x9a0 net/core/dev.c:6455
 __napi_poll+0xbd/0x520 net/core/dev.c:7023
 napi_poll net/core/dev.c:7090 [inline]
 net_rx_action+0x61c/0xf30 net/core/dev.c:7177
 __do_softirq+0x392/0x7a3 kernel/softirq.c:558
 run_ksoftirqd+0xc1/0x120 kernel/softirq.c:921
 smpboot_thread_fn+0x533/0x9d0 kernel/smpboot.c:164
 kthread+0x468/0x490 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30
 </TASK>