cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

atomic_invalid.c (941B)

      1#define __INVALID_ATOMIC_ACCESS_TEST(op)				\
      2	{								\
      3		"atomic " #op " access through non-pointer ",		\
      4		.insns = {						\
      5			BPF_MOV64_IMM(BPF_REG_0, 1),			\
      6			BPF_MOV64_IMM(BPF_REG_1, 0),			\
      7			BPF_ATOMIC_OP(BPF_DW, op, BPF_REG_1, BPF_REG_0, -8), \
      8			BPF_MOV64_IMM(BPF_REG_0, 0),			\
      9			BPF_EXIT_INSN(),				\
     10		},							\
     11		.result = REJECT,					\
     12		.errstr = "R1 invalid mem access 'scalar'"		\
     13	}
     14__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD),
     15__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD | BPF_FETCH),
     16__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD),
     17__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD | BPF_FETCH),
     18__INVALID_ATOMIC_ACCESS_TEST(BPF_AND),
     19__INVALID_ATOMIC_ACCESS_TEST(BPF_AND | BPF_FETCH),
     20__INVALID_ATOMIC_ACCESS_TEST(BPF_OR),
     21__INVALID_ATOMIC_ACCESS_TEST(BPF_OR | BPF_FETCH),
     22__INVALID_ATOMIC_ACCESS_TEST(BPF_XOR),
     23__INVALID_ATOMIC_ACCESS_TEST(BPF_XOR | BPF_FETCH),
     24__INVALID_ATOMIC_ACCESS_TEST(BPF_XCHG),
     25__INVALID_ATOMIC_ACCESS_TEST(BPF_CMPXCHG),