audit: type=1326 audit(1642219598.957:110): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=14961 comm="syz-executor.3" exe="/root/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fe8e4d95fe9 code=0x200000
Illegal XDP return value 4294967274, expect packet loss!
------------[ cut here ]------------
WARNING: CPU: 0 PID: 14977 at net/core/filter.c:3647 bpf_warn_invalid_xdp_action net/core/filter.c:3647 [inline]
WARNING: CPU: 0 PID: 14977 at net/core/filter.c:3647 bpf_warn_invalid_xdp_action.cold+0x3c/0x43 net/core/filter.c:3643
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 14977 Comm: syz-executor.0 Not tainted 4.14.262-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:bpf_warn_invalid_xdp_action net/core/filter.c:3647 [inline]
RIP: 0010:bpf_warn_invalid_xdp_action.cold+0x3c/0x43 net/core/filter.c:3643
RSP: 0018:ffff888068987660 EFLAGS: 00010282
RAX: 0000000000000038 RBX: 1ffff1100d130ed5 RCX: 0000000000000000
RDX: 0000000000010055 RSI: ffffffff81442c40 RDI: ffffed100d130ec2
RBP: ffffffff88564900 R08: 0000000000000038 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea
R13: ffffc90001b08000 R14: 0000000000000000 R15: ffff8880b4d4f406
 netif_receive_generic_xdp+0x554/0x950 net/core/dev.c:3956
 do_xdp_generic.part.0+0x22/0xc0 net/core/dev.c:4001
 do_xdp_generic net/core/dev.c:4039 [inline]
 netif_rx_internal+0x219/0x800 net/core/dev.c:4039
 __bpf_rx_skb_no_mac net/core/filter.c:1689 [inline]
 __bpf_redirect_no_mac net/core/filter.c:1733 [inline]
 __bpf_redirect+0x3e6/0x9c0 net/core/filter.c:1756
 ____bpf_clone_redirect net/core/filter.c:1787 [inline]
 bpf_clone_redirect+0x1e1/0x2c0 net/core/filter.c:1759
 ___bpf_prog_run+0x252b/0x5a70 kernel/bpf/core.c:1088
Kernel Offset: disabled
Rebooting in 86400 seconds..