------------[ cut here ]------------
Illegal XDP return value 4294967283, expect packet loss!
WARNING: CPU: 2 PID: 26 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action net/core/filter.c:8188 [inline]
WARNING: CPU: 2 PID: 26 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8184
Modules linked in:
CPU: 2 PID: 26 Comm: ksoftirqd/2 Not tainted 5.16.0-rc8-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
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: a0 f7 ad 8a 41 83 fc 04 48 c7 c6 e0 f7 ad 8a 48 0f 46 ee e8 73 bb 41 fa 44 89 e2 48 c7 c7 20 f8 ad 8a 48 89 ee e8 27 5e cb 01 <0f> 0b 5b 5d 41 5c e9 56 bb 41 fa 66 0f 1f 44 00 00 41 57 41 56 49
RSP: 0018:ffffc90000757878 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888011a861c0 RSI: ffffffff815e3a18 RDI: fffff520000eaf01
RBP: ffffffff8aadf7a0 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815dd7be R11: 0000000000000000 R12: 00000000fffffff3
R13: 00000000fffffff3 R14: ffff88806f64d100 R15: ffff88802307b236
FS:  0000000000000000(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558c2f3121a0 CR3: 000000000b88e000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 veth_xdp_rcv_skb+0x68a/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
 run_ksoftirqd kernel/softirq.c:921 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:913
 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>