------------[ cut here ]------------
Illegal XDP return value 16128, expect packet loss!
WARNING: CPU: 1 PID: 6554 at net/core/filter.c:8177 bpf_warn_invalid_xdp_action net/core/filter.c:8177 [inline]
WARNING: CPU: 1 PID: 6554 at net/core/filter.c:8177 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8173
Modules linked in:
CPU: 1 PID: 6554 Comm: syz-executor111 Not tainted 5.15.0-rc2-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:8177 [inline]
RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8173
Code: 20 a4 8c 8a 41 83 fc 04 48 c7 c6 60 a4 8c 8a 48 0f 46 ee e8 b3 b8 4d fa 44 89 e2 48 c7 c7 a0 a4 8c 8a 48 89 ee e8 4d 1c ca 01 <0f> 0b 5b 5d 41 5c e9 96 b8 4d fa 66 0f 1f 44 00 00 41 57 41 56 49
RSP: 0018:ffffc90000dc0990 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801bc20000 RSI: ffffffff815dbe08 RDI: fffff520001b8124
RBP: ffffffff8a8ca420 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815d5bae R11: 0000000000000000 R12: 0000000000003f00
R13: ffffc90000dc0a28 R14: 0000000000003f00 R15: ffff888019fb2336
FS:  00005555566a4300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6c2aef9370 CR3: 0000000012bcc000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 veth_xdp_rcv_skb+0x691/0x1ba0 drivers/net/veth.c:804
 veth_xdp_rcv+0x3ac/0x810 drivers/net/veth.c:881
 veth_poll+0x134/0x850 drivers/net/veth.c:913
 __napi_poll+0xaf/0x440 net/core/dev.c:6986
 napi_poll net/core/dev.c:7053 [inline]
 net_rx_action+0x801/0xb40 net/core/dev.c:7140
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 aa 9b 23 f8 48 89 ef e8 f2 11 24 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> a3 d2 17 f8 65 8b 05 4c 2c ca 76 85 c0 74 0a 5b 5d c3 e8 d0 73
RSP: 0018:ffffc90002caf590 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1adc4a9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffffff9044fe30 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817c37c8 R11: 0000000000000332 R12: ffff88806e03afd8
R13: 1ffff92000595ec4 R14: ffffffff9044fe30 R15: ffffffff9044fe28
 __debug_object_init+0x409/0xd10 lib/debugobjects.c:605
 debug_object_init lib/debugobjects.c:620 [inline]
 debug_object_activate+0x32c/0x3e0 lib/debugobjects.c:706
 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline]
 __call_rcu kernel/rcu/tree.c:2971 [inline]
 call_rcu+0x2c/0x750 kernel/rcu/tree.c:3067
 dentry_free+0xc3/0x160 fs/dcache.c:352
 __dentry_kill+0x4cb/0x640 fs/dcache.c:596
 shrink_dentry_list+0x128/0x490 fs/dcache.c:1176
 shrink_dcache_parent+0x1fe/0x3c0 fs/dcache.c:1603
 d_invalidate fs/dcache.c:1712 [inline]
 d_invalidate+0x13f/0x280 fs/dcache.c:1697
 proc_invalidate_siblings_dcache+0x3d7/0x610 fs/proc/inode.c:150
 release_task+0xcb8/0x17e0 kernel/exit.c:222
 wait_task_zombie kernel/exit.c:1107 [inline]
 wait_consider_task+0x2fa6/0x3b80 kernel/exit.c:1334
 do_wait_thread kernel/exit.c:1397 [inline]
 do_wait+0x6ca/0xce0 kernel/exit.c:1514
 kernel_wait4+0x14c/0x260 kernel/exit.c:1677
 __do_sys_wait4+0x13f/0x150 kernel/exit.c:1705
 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: 0033:0x7f6c2ae7b5d6
Code: 0f 1f 40 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 49 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 90 48 83 ec 28 89 54 24 14 48 89 74 24
RSP: 002b:00007ffff83cea28 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6c2ae7b5d6
RDX: 0000000040000001 RSI: 00007ffff83cea34 RDI: 00000000ffffffff
RBP: 00000000000002a8 R08: 0000000000000081 R09: 00007ffff83d4080
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000001fb9b
R13: 00007ffff83cea50 R14: 00007ffff83cea40 R15: 00007ffff83cea34
----------------
Code disassembly (best guess):
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	aa                   	stos   %al,%es:(%rdi)
   5:	9b                   	fwait
   6:	23 f8                	and    %eax,%edi
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 f2 11 24 f8       	callq  0xf8241202
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushfq
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 a3 d2 17 f8       	callq  0xf817d2d2 <-- trapping instruction
  2f:	65 8b 05 4c 2c ca 76 	mov    %gs:0x76ca2c4c(%rip),%eax        # 0x76ca2c82
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	retq
  3d:	e8                   	.byte 0xe8
  3e:	d0                   	.byte 0xd0
  3f:	73                   	.byte 0x73