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1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2021 Google LLC. */3 4#include <linux/bpf.h>5#include <bpf/bpf_helpers.h>6 7/* The format string is filled from the userspace such that loading fails */8const char fmt[10];9 10SEC("raw_tp/sys_enter")11int handler(const void *ctx)12{13 unsigned long long arg = 42;14 15 bpf_snprintf(NULL, 0, fmt, &arg, sizeof(arg));16 17 return 0;18}19 20char _license[] SEC("license") = "GPL";21