root/tools/testing/selftests/bpf/verifier/ld_ind.c

   1 {
   2         "ld_ind: check calling conv, r1",
   3         .insns = {
   4         BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
   5         BPF_MOV64_IMM(BPF_REG_1, 1),
   6         BPF_LD_IND(BPF_W, BPF_REG_1, -0x200000),
   7         BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
   8         BPF_EXIT_INSN(),
   9         },
  10         .errstr = "R1 !read_ok",
  11         .result = REJECT,
  12 },
  13 {
  14         "ld_ind: check calling conv, r2",
  15         .insns = {
  16         BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
  17         BPF_MOV64_IMM(BPF_REG_2, 1),
  18         BPF_LD_IND(BPF_W, BPF_REG_2, -0x200000),
  19         BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
  20         BPF_EXIT_INSN(),
  21         },
  22         .errstr = "R2 !read_ok",
  23         .result = REJECT,
  24 },
  25 {
  26         "ld_ind: check calling conv, r3",
  27         .insns = {
  28         BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
  29         BPF_MOV64_IMM(BPF_REG_3, 1),
  30         BPF_LD_IND(BPF_W, BPF_REG_3, -0x200000),
  31         BPF_MOV64_REG(BPF_REG_0, BPF_REG_3),
  32         BPF_EXIT_INSN(),
  33         },
  34         .errstr = "R3 !read_ok",
  35         .result = REJECT,
  36 },
  37 {
  38         "ld_ind: check calling conv, r4",
  39         .insns = {
  40         BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
  41         BPF_MOV64_IMM(BPF_REG_4, 1),
  42         BPF_LD_IND(BPF_W, BPF_REG_4, -0x200000),
  43         BPF_MOV64_REG(BPF_REG_0, BPF_REG_4),
  44         BPF_EXIT_INSN(),
  45         },
  46         .errstr = "R4 !read_ok",
  47         .result = REJECT,
  48 },
  49 {
  50         "ld_ind: check calling conv, r5",
  51         .insns = {
  52         BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
  53         BPF_MOV64_IMM(BPF_REG_5, 1),
  54         BPF_LD_IND(BPF_W, BPF_REG_5, -0x200000),
  55         BPF_MOV64_REG(BPF_REG_0, BPF_REG_5),
  56         BPF_EXIT_INSN(),
  57         },
  58         .errstr = "R5 !read_ok",
  59         .result = REJECT,
  60 },
  61 {
  62         "ld_ind: check calling conv, r7",
  63         .insns = {
  64         BPF_MOV64_REG(BPF_REG_6, BPF_REG_1),
  65         BPF_MOV64_IMM(BPF_REG_7, 1),
  66         BPF_LD_IND(BPF_W, BPF_REG_7, -0x200000),
  67         BPF_MOV64_REG(BPF_REG_0, BPF_REG_7),
  68         BPF_EXIT_INSN(),
  69         },
  70         .result = ACCEPT,
  71         .retval = 1,
  72 },