------------[ cut here ]------------
Illegal XDP return value 4294967274, expect packet loss!
WARNING: CPU: 1 PID: 16 at net/core/filter.c:6877 bpf_warn_invalid_xdp_action net/core/filter.c:6877 [inline]
WARNING: CPU: 1 PID: 16 at net/core/filter.c:6877 bpf_warn_invalid_xdp_action+0x77/0x90 net/core/filter.c:6873
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.5.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:bpf_warn_invalid_xdp_action net/core/filter.c:6877 [inline]
RIP: 0010:bpf_warn_invalid_xdp_action+0x77/0x90 net/core/filter.c:6873
Code: 60 3a d7 88 41 83 fc 04 48 c7 c6 a0 3a d7 88 4c 0f 46 ee e8 eb 43 47 fb 44 89 e2 48 c7 c7 e0 3a d7 88 4c 89 ee e8 d8 f3 17 fb <0f> 0b e8 d2 43 47 fb 5b 41 5c 41 5d 5d c3 90 66 2e 0f 1f 84 00 00
RSP: 0018:ffffc90000d7f858 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff815e5dd6 RDI: fffff520001afefd
RBP: ffffc90000d7f870 R08: ffff8880a9a44440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea
R13: ffffffff88d73a60 R14: ffff8880a2ec4110 R15: ffff88809af426c0
 netif_receive_generic_xdp net/core/dev.c:4564 [inline]
 do_xdp_generic.part.0+0xec9/0x17a0 net/core/dev.c:4613
 do_xdp_generic net/core/dev.c:4983 [inline]
 __netif_receive_skb_core+0x68b/0x30b0 net/core/dev.c:4983
 __netif_receive_skb_one_core+0xa8/0x1a0 net/core/dev.c:5146
 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5262
 process_backlog+0x206/0x750 net/core/dev.c:6093
 napi_poll net/core/dev.c:6530 [inline]
 net_rx_action+0x508/0x1120 net/core/dev.c:6598
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:603 [inline]
 run_ksoftirqd+0x8e/0x110 kernel/softirq.c:595
 smpboot_thread_fn+0x6a3/0xa40 kernel/smpboot.c:165
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..