diff options
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/subreg.c')
| -rw-r--r-- | tools/testing/selftests/bpf/verifier/subreg.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/subreg.c b/tools/testing/selftests/bpf/verifier/subreg.c new file mode 100644 index 000000000000..edeca3bea35e --- /dev/null +++ b/tools/testing/selftests/bpf/verifier/subreg.c @@ -0,0 +1,39 @@ +{ + "or32 reg zero extend check", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, -1), + BPF_MOV64_IMM(BPF_REG_2, -2), + BPF_ALU32_REG(BPF_OR, BPF_REG_0, BPF_REG_2), + BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = ACCEPT, + .retval = 0, +}, +{ + "and32 reg zero extend check", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, -1), + BPF_MOV64_IMM(BPF_REG_2, -2), + BPF_ALU32_REG(BPF_AND, BPF_REG_0, BPF_REG_2), + BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = ACCEPT, + .retval = 0, +}, +{ + "xor32 reg zero extend check", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, -1), + BPF_MOV64_IMM(BPF_REG_2, 0), + BPF_ALU32_REG(BPF_XOR, BPF_REG_0, BPF_REG_2), + BPF_ALU64_IMM(BPF_RSH, BPF_REG_0, 32), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .result = ACCEPT, + .retval = 0, +}, |