linux-zen-server/tools/testing/selftests/bpf/progs/test_log_buf.c

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2023-08-30 17:53:23 +02:00
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
int a[4];
const volatile int off = 4000;
SEC("raw_tp/sys_enter")
int good_prog(const void *ctx)
{
a[0] = (int)(long)ctx;
return a[1];
}
SEC("raw_tp/sys_enter")
int bad_prog(const void *ctx)
{
/* out of bounds access */
return a[off];
}
char _license[] SEC("license") = "GPL";