cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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test_global_func13.c (375B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2#include <stddef.h>
      3#include <linux/bpf.h>
      4#include <bpf/bpf_helpers.h>
      5
      6struct S {
      7	int x;
      8};
      9
     10__noinline int foo(const struct S *s)
     11{
     12	if (s)
     13		return bpf_get_prandom_u32() < s->x;
     14
     15	return 0;
     16}
     17
     18SEC("cgroup_skb/ingress")
     19int test_cls(struct __sk_buff *skb)
     20{
     21	const struct S *s = (const struct S *)(0xbedabeda);
     22
     23	return foo(s);
     24}