diff options
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/masking.c')
| -rw-r--r-- | tools/testing/selftests/bpf/verifier/masking.c | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/masking.c b/tools/testing/selftests/bpf/verifier/masking.c new file mode 100644 index 000000000..6e1358c54 --- /dev/null +++ b/tools/testing/selftests/bpf/verifier/masking.c @@ -0,0 +1,322 @@ +{ + "masking, test out of bounds 1", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 5), + BPF_MOV32_IMM(BPF_REG_2, 5 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 2", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 1), + BPF_MOV32_IMM(BPF_REG_2, 1 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 3", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 0xffffffff), + BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 4", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 0xffffffff), + BPF_MOV32_IMM(BPF_REG_2, 1 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 5", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, -1), + BPF_MOV32_IMM(BPF_REG_2, 1 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 6", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, -1), + BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 7", + .insns = { + BPF_MOV64_IMM(BPF_REG_1, 5), + BPF_MOV32_IMM(BPF_REG_2, 5 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 8", + .insns = { + BPF_MOV64_IMM(BPF_REG_1, 1), + BPF_MOV32_IMM(BPF_REG_2, 1 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 9", + .insns = { + BPF_MOV64_IMM(BPF_REG_1, 0xffffffff), + BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 10", + .insns = { + BPF_MOV64_IMM(BPF_REG_1, 0xffffffff), + BPF_MOV32_IMM(BPF_REG_2, 1 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 11", + .insns = { + BPF_MOV64_IMM(BPF_REG_1, -1), + BPF_MOV32_IMM(BPF_REG_2, 1 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test out of bounds 12", + .insns = { + BPF_MOV64_IMM(BPF_REG_1, -1), + BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test in bounds 1", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 4), + BPF_MOV32_IMM(BPF_REG_2, 5 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 4, +}, +{ + "masking, test in bounds 2", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 0), + BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test in bounds 3", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 0xfffffffe), + BPF_MOV32_IMM(BPF_REG_2, 0xffffffff - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0xfffffffe, +}, +{ + "masking, test in bounds 4", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 0xabcde), + BPF_MOV32_IMM(BPF_REG_2, 0xabcdef - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0xabcde, +}, +{ + "masking, test in bounds 5", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 0), + BPF_MOV32_IMM(BPF_REG_2, 1 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, +{ + "masking, test in bounds 6", + .insns = { + BPF_MOV32_IMM(BPF_REG_1, 46), + BPF_MOV32_IMM(BPF_REG_2, 47 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_1), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_1), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_1, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 46, +}, +{ + "masking, test in bounds 7", + .insns = { + BPF_MOV64_IMM(BPF_REG_3, -46), + BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1), + BPF_MOV32_IMM(BPF_REG_2, 47 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 46, +}, +{ + "masking, test in bounds 8", + .insns = { + BPF_MOV64_IMM(BPF_REG_3, -47), + BPF_ALU64_IMM(BPF_MUL, BPF_REG_3, -1), + BPF_MOV32_IMM(BPF_REG_2, 47 - 1), + BPF_ALU64_REG(BPF_SUB, BPF_REG_2, BPF_REG_3), + BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_3), + BPF_ALU64_IMM(BPF_NEG, BPF_REG_2, 0), + BPF_ALU64_IMM(BPF_ARSH, BPF_REG_2, 63), + BPF_ALU64_REG(BPF_AND, BPF_REG_3, BPF_REG_2), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_3), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 0, +}, |