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