------------[ cut here ]------------
Illegal XDP return value 1805142099, expect packet loss!
WARNING: CPU: 1 PID: 18 at net/core/filter.c:5535 bpf_warn_invalid_xdp_action net/core/filter.c:5535 [inline]
WARNING: CPU: 1 PID: 18 at net/core/filter.c:5535 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:5531
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.114-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+0x188/0x20d lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x46 kernel/panic.c:541
 report_bug+0x262/0x2a0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037
RIP: 0010:bpf_warn_invalid_xdp_action net/core/filter.c:5535 [inline]
RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:5531
Code: 20 a6 0a 88 41 83 fc 04 48 c7 c6 60 a6 0a 88 48 0f 46 ee e8 b3 30 c2 fb 44 89 e2 48 c7 c7 a0 a6 0a 88 48 89 ee e8 2c 45 97 fb <0f> 0b 5b 5d 41 5c e9 96 30 c2 fb 66 0f 1f 44 00 00 41 57 41 56 49
RSP: 0018:ffff8880a9f17b20 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff8152d3a1 RDI: ffffed10153e2f56
RBP: ffffffff880aa620 R08: ffff8880a9efe4c0 R09: ffffed1015ce5079
R10: ffffed1015ce5078 R11: ffff8880ae7283c7 R12: 000000006b984853
R13: ffff88809233b440 R14: ffff8880a9f17c30 R15: dffffc0000000000
 veth_xdp_rcv_skb drivers/net/veth.c:551 [inline]
 veth_xdp_rcv drivers/net/veth.c:602 [inline]
 veth_poll+0x1259/0x3500 drivers/net/veth.c:622
 napi_poll net/core/dev.c:6264 [inline]
 net_rx_action+0x4ab/0xfc0 net/core/dev.c:6330
 __do_softirq+0x26c/0x93c kernel/softirq.c:292
 run_ksoftirqd kernel/softirq.c:653 [inline]
 run_ksoftirqd+0x89/0x100 kernel/softirq.c:645
 smpboot_thread_fn+0x653/0x9d0 kernel/smpboot.c:164
 kthread+0x34a/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..