------------[ cut here ]------------
Illegal XDP return value 4294967274, expect packet loss!
WARNING: CPU: 0 PID: 1466 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action net/core/filter.c:8188 [inline]
WARNING: CPU: 0 PID: 1466 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8184
Modules linked in:
CPU: 0 PID: 1466 Comm: syz-executor.1 Not tainted 5.16.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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 13 81 42 fa 44 89 e2 48 c7 c7 00 78 ae 8a 48 89 ee e8 4d 6f cb 01 <0f> 0b 5b 5d 41 5c e9 f6 80 42 fa 66 0f 1f 44 00 00 41 57 41 56 49
RSP: 0018:ffffc90000007a58 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888022e33a00 RSI: ffffffff815f0948 RDI: fffff52000000f3d
RBP: ffffffff8aae7780 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815ea6ee R11: 0000000000000000 R12: 00000000ffffffea
R13: 00000000ffffffea R14: 00000000ffffffea R15: 00000000ffffff8e
FS:  00007f341a4a4700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f341bc43090 CR3: 000000004faa8000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 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
 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:enqueue_to_backlog+0x210/0x10c0 net/core/dev.c:4677
Code: 8b 5d 10 be 08 00 00 00 48 8d bb e0 01 00 00 e8 66 e6 92 fa f0 48 ff 83 e0 01 00 00 48 89 ef 41 bd 01 00 00 00 e8 70 e7 f9 ff <e8> bb 23 4c fa 44 89 e8 48 83 c4 30 5b 5d 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90003007610 EFLAGS: 00000212
RAX: 0000000000000bda RBX: 0000000000000000 RCX: ffffc9000a524000
RDX: 0000000000040000 RSI: ffffffff872b717b RDI: 0000000000000003
RBP: 00000000000099d3 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff872b716d R11: 0000000000000000 R12: 0000000000000200
R13: 0000000000000000 R14: ffff8880b9c3ad38 R15: ffff8880b9c3ad38
 netif_rx_internal+0x120/0x640 net/core/dev.c:4930
 netif_rx+0x7f/0x510 net/core/dev.c:4957
 __bpf_rx_skb_no_mac net/core/filter.c:2094 [inline]
 __bpf_redirect_no_mac net/core/filter.c:2139 [inline]
 __bpf_redirect+0x508/0xd20 net/core/filter.c:2162
 ____bpf_clone_redirect net/core/filter.c:2429 [inline]
 bpf_clone_redirect+0x2ae/0x420 net/core/filter.c:2401
 bpf_prog_5329ecf32ce9a25b+0x59/0x6b8
 bpf_dispatcher_nop_func include/linux/bpf.h:727 [inline]
 __bpf_prog_run include/linux/filter.h:626 [inline]
 bpf_prog_run include/linux/filter.h:633 [inline]
 bpf_test_run+0x381/0x980 net/bpf/test_run.c:120
 bpf_prog_test_run_skb+0xb32/0x1dd0 net/bpf/test_run.c:666
 bpf_prog_test_run kernel/bpf/syscall.c:3349 [inline]
 __sys_bpf+0x1823/0x5950 kernel/bpf/syscall.c:4651
 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4735
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f341bb2ee99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f341a4a4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f341bc41f60 RCX: 00007f341bb2ee99
RDX: 0000000000000048 RSI: 0000000020000040 RDI: 000000000000000a
RBP: 00007f341bb88ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdd5588d5f R14: 00007f341a4a4300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	8b 5d 10             	mov    0x10(%rbp),%ebx
   3:	be 08 00 00 00       	mov    $0x8,%esi
   8:	48 8d bb e0 01 00 00 	lea    0x1e0(%rbx),%rdi
   f:	e8 66 e6 92 fa       	callq  0xfa92e67a
  14:	f0 48 ff 83 e0 01 00 	lock incq 0x1e0(%rbx)
  1b:	00
  1c:	48 89 ef             	mov    %rbp,%rdi
  1f:	41 bd 01 00 00 00    	mov    $0x1,%r13d
  25:	e8 70 e7 f9 ff       	callq  0xfff9e79a
* 2a:	e8 bb 23 4c fa       	callq  0xfa4c23ea <-- trapping instruction
  2f:	44 89 e8             	mov    %r13d,%eax
  32:	48 83 c4 30          	add    $0x30,%rsp
  36:	5b                   	pop    %rbx
  37:	5d                   	pop    %rbp
  38:	41 5c                	pop    %r12
  3a:	41 5d                	pop    %r13
  3c:	41 5e                	pop    %r14
  3e:	41 5f                	pop    %r15