------------[ cut here ]------------
Illegal XDP return value 16128, expect packet loss!
WARNING: CPU: 0 PID: 3752 at net/core/filter.c:8187 bpf_warn_invalid_xdp_action net/core/filter.c:8187 [inline]
WARNING: CPU: 0 PID: 3752 at net/core/filter.c:8187 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8183
Modules linked in:
CPU: 0 PID: 3752 Comm: kworker/0:7 Not tainted 5.16.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue:  0x0 (rcu_gp)
RIP: 0010:bpf_warn_invalid_xdp_action net/core/filter.c:8187 [inline]
RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8183
Code: c0 9e ae 8a 41 83 fc 04 48 c7 c6 00 9f ae 8a 48 0f 46 ee e8 33 9b 42 fa 44 89 e2 48 c7 c7 40 9f ae 8a 48 89 ee e8 fc 70 cd 01 <0f> 0b 5b 5d 41 5c e9 16 9b 42 fa 66 0f 1f 44 00 00 41 57 41 56 49
RSP: 0018:ffffc90000007990 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880201eba00 RSI: ffffffff815f1db8 RDI: fffff52000000f24
RBP: ffffffff8aae9ec0 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815ebb5e R11: 0000000000000000 R12: 0000000000003f00
R13: ffffc90000007a28 R14: 0000000000003f00 R15: ffffc90001a86000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056404bac50f4 CR3: 00000000778bf000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 veth_xdp_rcv_skb+0x68f/0x1b60 drivers/net/veth.c:797
 veth_xdp_rcv+0x3ac/0x810 drivers/net/veth.c:874
 veth_poll+0x134/0x850 drivers/net/veth.c:906
 __napi_poll+0xaf/0x440 net/core/dev.c:6360
 napi_poll net/core/dev.c:6427 [inline]
 net_rx_action+0x801/0xb40 net/core/dev.c:6514
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:finish_task_switch.isra.0+0x323/0xb80 kernel/sched/core.c:4852
Code: a3 66 f5 07 85 c0 75 02 0f 0b 48 85 db 0f 85 25 01 00 00 4c 89 f7 e8 fc f7 ff ff e8 f7 46 2d 00 fb 65 48 8b 1c 25 40 70 02 00 <48> 8d bb 80 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc90003c1fcb0 EFLAGS: 00000202
RAX: 000000000001e929 RBX: ffff8880201eba00 RCX: 1ffffffff1b22cc1
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90003c1fcf8 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817def78 R11: 0000000000000001 R12: ffff8880b9c3a7d8
R13: ffff88804e1c9d00 R14: ffff8880b9c39a80 R15: ffff8880b9c3a4b8
 context_switch kernel/sched/core.c:4975 [inline]
 __schedule+0xaa2/0x4940 kernel/sched/core.c:6253
 schedule+0xd2/0x260 kernel/sched/core.c:6326
 worker_thread+0x15c/0x11f0 kernel/workqueue.c:2466
 kthread+0x405/0x4f0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
----------------
Code disassembly (best guess):
   0:	a3 66 f5 07 85 c0 75 	movabs %eax,0xf0275c08507f566
   7:	02 0f
   9:	0b 48 85             	or     -0x7b(%rax),%ecx
   c:	db 0f                	fisttpl (%rdi)
   e:	85 25 01 00 00 4c    	test   %esp,0x4c000001(%rip)        # 0x4c000015
  14:	89 f7                	mov    %esi,%edi
  16:	e8 fc f7 ff ff       	callq  0xfffff817
  1b:	e8 f7 46 2d 00       	callq  0x2d4717
  20:	fb                   	sti
  21:	65 48 8b 1c 25 40 70 	mov    %gs:0x27040,%rbx
  28:	02 00
* 2a:	48 8d bb 80 15 00 00 	lea    0x1580(%rbx),%rdi <-- trapping instruction
  31:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  38:	fc ff df
  3b:	48 89 fa             	mov    %rdi,%rdx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1