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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2025 Meta Platforms, Inc. and affiliates. */
#include <vmlinux.h>
#include <string.h>
#include <stdbool.h>
#include <bpf/bpf_tracing.h>
#include "bpf_misc.h"
char _license[] SEC("license") = "GPL";
int err;
void *user_ptr;
SEC("lsm/file_open")
__failure
__msg("Unreleased reference id=")
int on_nanosleep_unreleased_ref(void *ctx)
{
struct task_struct *task = bpf_get_current_task_btf();
struct file *file = bpf_get_task_exe_file(task);
struct bpf_dynptr dynptr;
if (!file)
return 0;
err = bpf_dynptr_from_file(file, 0, &dynptr);
return err ? 1 : 0;
}
SEC("xdp")
__failure
__msg("Expected a dynptr of type file as arg #0")
int xdp_wrong_dynptr_type(struct xdp_md *xdp)
{
struct bpf_dynptr dynptr;
bpf_dynptr_from_xdp(xdp, 0, &dynptr);
bpf_dynptr_file_discard(&dynptr);
return 0;
}
SEC("xdp")
__failure
__msg("Expected an initialized dynptr as arg #0")
int xdp_no_dynptr_type(struct xdp_md *xdp)
{
struct bpf_dynptr dynptr;
bpf_dynptr_file_discard(&dynptr);
return 0;
}
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