diff options
Diffstat (limited to 'tests/image-fuzzer')
| -rw-r--r-- | tests/image-fuzzer/qcow2/fuzz.py | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/tests/image-fuzzer/qcow2/fuzz.py b/tests/image-fuzzer/qcow2/fuzz.py index 154dc06cc0..c58bf11005 100644 --- a/tests/image-fuzzer/qcow2/fuzz.py +++ b/tests/image-fuzzer/qcow2/fuzz.py @@ -36,11 +36,11 @@ UINT32_V = [0, 0x100, 0x1000, 0x10000, 0x100000, UINT32//4, UINT32//2 - 1, UINT64_V = UINT32_V + [0x1000000, 0x10000000, 0x100000000, UINT64//4, UINT64//2 - 1, UINT64//2, UINT64//2 + 1, UINT64 - 1, UINT64] -STRING_V = ['%s%p%x%d', '.1024d', '%.2049d', '%p%p%p%p', '%x%x%x%x', - '%d%d%d%d', '%s%s%s%s', '%99999999999s', '%08x', '%%20d', '%%20n', - '%%20x', '%%20s', '%s%s%s%s%s%s%s%s%s%s', '%p%p%p%p%p%p%p%p%p%p', - '%#0123456x%08x%x%s%p%d%n%o%u%c%h%l%q%j%z%Z%t%i%e%g%f%a%C%S%08x%%', - '%s x 129', '%x x 257'] +BYTES_V = [b'%s%p%x%d', b'.1024d', b'%.2049d', b'%p%p%p%p', b'%x%x%x%x', + b'%d%d%d%d', b'%s%s%s%s', b'%99999999999s', b'%08x', b'%%20d', b'%%20n', + b'%%20x', b'%%20s', b'%s%s%s%s%s%s%s%s%s%s', b'%p%p%p%p%p%p%p%p%p%p', + b'%#0123456x%08x%x%s%p%d%n%o%u%c%h%l%q%j%z%Z%t%i%e%g%f%a%C%S%08x%%', + b'%s x 129', b'%x x 257'] def random_from_intervals(intervals): @@ -76,12 +76,12 @@ def random_bits(bit_ranges): return val -def truncate_string(strings, length): - """Return strings truncated to specified length.""" - if type(strings) == list: - return [s[:length] for s in strings] +def truncate_bytes(sequences, length): + """Return sequences truncated to specified length.""" + if type(sequences) == list: + return [s[:length] for s in sequences] else: - return strings[:length] + return sequences[:length] def validator(current, pick, choices): @@ -110,12 +110,12 @@ def bit_validator(current, bit_ranges): return validator(current, random_bits, bit_ranges) -def string_validator(current, strings): - """Return a random string value from the list not equal to the current. +def bytes_validator(current, sequences): + """Return a random bytes value from the list not equal to the current. This function is useful for selection from valid values except current one. """ - return validator(current, random.choice, strings) + return validator(current, random.choice, sequences) def selector(current, constraints, validate=int_validator): @@ -283,9 +283,9 @@ def header_length(current): def bf_name(current): """Fuzz the backing file name.""" constraints = [ - truncate_string(STRING_V, len(current)) + truncate_bytes(BYTES_V, len(current)) ] - return selector(current, constraints, string_validator) + return selector(current, constraints, bytes_validator) def ext_magic(current): @@ -303,10 +303,10 @@ def ext_length(current): def bf_format(current): """Fuzz backing file format in the corresponding header extension.""" constraints = [ - truncate_string(STRING_V, len(current)), - truncate_string(STRING_V, (len(current) + 7) & ~7) # Fuzz padding + truncate_bytes(BYTES_V, len(current)), + truncate_bytes(BYTES_V, (len(current) + 7) & ~7) # Fuzz padding ] - return selector(current, constraints, string_validator) + return selector(current, constraints, bytes_validator) def feature_type(current): @@ -324,10 +324,10 @@ def feature_bit_number(current): def feature_name(current): """Fuzz feature name field of a feature name table header extension.""" constraints = [ - truncate_string(STRING_V, len(current)), - truncate_string(STRING_V, 46) # Fuzz padding (field length = 46) + truncate_bytes(BYTES_V, len(current)), + truncate_bytes(BYTES_V, 46) # Fuzz padding (field length = 46) ] - return selector(current, constraints, string_validator) + return selector(current, constraints, bytes_validator) def l1_entry(current): |