------------[ cut here ]------------ Illegal XDP return value 16128, expect packet loss! WARNING: CPU: 0 PID: 13 at net/core/filter.c:8186 bpf_warn_invalid_xdp_action net/core/filter.c:8186 [inline] WARNING: CPU: 0 PID: 13 at net/core/filter.c:8186 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8182 Modules linked in: CPU: 0 PID: 13 Comm: ksoftirqd/0 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:8186 [inline] RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8182 Code: 00 a8 8c 8a 41 83 fc 04 48 c7 c6 40 a8 8c 8a 48 0f 46 ee e8 53 9d 4d fa 44 89 e2 48 c7 c7 80 a8 8c 8a 48 89 ee e8 5e f3 c9 01 <0f> 0b 5b 5d 41 5c e9 36 9d 4d fa 66 0f 1f 44 00 00 41 57 41 56 49 RSP: 0018:ffffc90000d27878 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888011f08000 RSI: ffffffff815dbd68 RDI: fffff520001a4f01 RBP: ffffffff8a8ca800 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815d5b0e R11: 0000000000000000 R12: 0000000000003f00 R13: ffffc90000d27910 R14: 0000000000003f00 R15: ffff88807ea83d36 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa6c7299130 CR3: 0000000024753000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:6994 napi_poll net/core/dev.c:7061 [inline] net_rx_action+0x801/0xb40 net/core/dev.c:7148 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 run_ksoftirqd kernel/softirq.c:920 [inline] run_ksoftirqd+0x2d/0x60 kernel/softirq.c:912 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295