8000 gh-111178: fix UBSan failures in `Modules/{blake2,md5,sha1,sha2,sha3}module.c` by picnixz · Pull Request #128248 · python/cpython · GitHub
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gh-111178: fix UBSan failures in Modules/{blake2,md5,sha1,sha2,sha3}module.c #128248

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Merged
merged 14 commits into from
Jan 27, 2025
Merged

gh-111178: fix UBSan failures in Modules/{blake2,md5,sha1,sha2,sha3}module.c #128248

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4774f0c
fix UBSan failures in `sha3module.c`
picnixz Dec 23, 2024
d4179e1
fix UBSan failures in `sha2module.c`
picnixz Dec 23, 2024
83b696b
fix UBSan failures in `sha1module.c`
picnixz Dec 23, 2024
a0e2b2a
fix UBSan failures in `md5module.c`
picnixz Dec 23, 2024
e43effb
suppress unused return values
picnixz Dec 23, 2024
ecf78f9
remove redundant casts in constructors
picnixz Dec 23, 2024
d9452e8
suppress unused parameters in `{md5,sha*}module.c`
picnixz Dec 23, 2024
61a0de8
fix UBSan failures for `blake2module.c`
picnixz Dec 25, 2024
568bff8
suppress unused parameters in `blake2module.c`
picnixz Dec 25, 2024
494565a
Merge remote-tracking branch 'upstream/main' into fix/ubsan/sha-111178
picnixz Jan 14, 2025
3d85690
reduce diff
picnixz Jan 14, 2025
34e8b55
reduce diff
picnixz Jan 14, 2025
20bf303
reduce diff
picnixz Jan 14, 2025
e06f834
Merge branch 'main' into fix/ubsan/sha-111178
picnixz Jan 18, 2025
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suppress unused parameters in {md5,sha*}module.c
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@picnixz
picnixz committed Dec 23, 2024
commit d9452e87109498fb79cf81a4a8f875d2cc65922f
6 changes: 3 additions & 3 deletions Modules/md5module.c
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Expand Up @@ -227,19 +227,19 @@ static PyMethodDef MD5_methods[] = {
};

static PyObject *
MD5_get_block_size(PyObject *self, void *closure)
MD5_get_block_size(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
return PyLong_FromLong(MD5_BLOCKSIZE);
}

static PyObject *
MD5_get_name(PyObject *self, void *closure)
MD5_get_name(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
return PyUnicode_FromStringAndSize("md5", 3);
}

static PyObject *
md5_get_digest_size(PyObject *self, void *closure)
md5_get_digest_size(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
return PyLong_FromLong(MD5_DIGESTSIZE);
}
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6 changes: 3 additions & 3 deletions Modules/sha1module.c
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Expand Up @@ -220,19 +220,19 @@ static PyMethodDef SHA1_methods[] = {
};

static PyObject *
SHA1_get_block_size(PyObject *self, void *closure)
SHA1_get_block_size(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
return PyLong_FromLong(SHA1_BLOCKSIZE);
}

static PyObject *
SHA1_get_name(PyObject *self, void *closure)
SHA1_get_name(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
return PyUnicode_FromStringAndSize("sha1", 4);
}

static PyObject *
sha1_get_digest_size(PyObject *self, void *closure)
sha1_get_digest_size(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
return PyLong_FromLong(SHA1_DIGESTSIZE);
}
Expand Down
12 changes: 6 additions & 6 deletions Modules/sha2module.c
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Expand Up @@ -443,33 +443,33 @@ static PyMethodDef SHA512_methods[] = {
};

static PyObject *
SHA256_get_block_size(PyObject *self, void *closure)
SHA256_get_block_size(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
return PyLong_FromLong(SHA256_BLOCKSIZE);
}

static PyObject *
SHA512_get_block_size(PyObject *self, void *closure)
SHA512_get_block_size(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
return PyLong_FromLong(SHA512_BLOCKSIZE);
}

static PyObject *
SHA256_get_digest_size(PyObject *op, void *closure)
SHA256_get_digest_size(PyObject *op, void *Py_UNUSED(closure))
{
SHA256object *self = _SHA256object_CAST(op);
return PyLong_FromLong(self->digestsize);
}

static PyObject *
SHA512_get_digest_size(PyObject *op, void *closure)
SHA512_get_digest_size(PyObject *op, void *Py_UNUSED(closure))
{
SHA512object *self = _SHA512object_CAST(op);
return PyLong_FromLong(self->digestsize);
}

static PyObject *
SHA256_get_name(PyObject *op, void *closure)
SHA256_get_name(PyObject *op, void *Py_UNUSED(closure))
{
SHA256object *self = _SHA256object_CAST(op);
if (self->digestsize == 28) {
Expand All @@ -479,7 +479,7 @@ SHA256_get_name(PyObject *op, void *closure)
}

static PyObject *
SHA512_get_name(PyObject *op, void *closure)
SHA512_get_name(PyObject *op, void *Py_UNUSED(closure))
{
SHA512object *self = _SHA512object_CAST(op);
if (self->digestsize == 64) {
Expand Down
16 changes: 8 additions & 8 deletions Modules/sha3module.c
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Expand Up @@ -306,7 +306,7 @@ static PyMethodDef SHA3_methods[] = {


static PyObject *
SHA3_get_block_size(PyObject *op, void *closure)
SHA3_get_block_size(PyObject *op, void *Py_UNUSED(closure))
{
SHA3object *self = _SHA3object_CAST(op);
uint32_t rate = Hacl_Hash_SHA3_block_len(self->hash_state);
Expand All @@ -315,7 +315,7 @@ SHA3_get_block_size(PyObject *op, void *closure)


static PyObject *
SHA3_get_name(PyObject *self, void *closure)
SHA3_get_name(PyObject *self, void *Py_UNUSED(closure))
{
PyTypeObject *type = Py_TYPE(self);

Expand All @@ -342,7 +342,7 @@ SHA3_get_name(PyObject *self, void *closure)


static PyObject *
SHA3_get_digest_size(PyObject *op, void *closure)
SHA3_get_digest_size(PyObject *op, void *Py_UNUSED(closure))
{
// Preserving previous behavior: variable-length algorithms return 0
SHA3object *self = _SHA3object_CAST(op);
Expand All @@ -354,7 +354,7 @@ SHA3_get_digest_size(PyObject *op, void *closure)


static PyObject *
SHA3_get_capacity_bits(PyObject *op, void *closure)
SHA3_get_capacity_bits(PyObject *op, void *Py_UNUSED(closure))
{
SHA3object *self = _SHA3object_CAST(op);
uint32_t rate = Hacl_Hash_SHA3_block_len(self->hash_state) * 8;
Expand All @@ -365,15 +365,15 @@ SHA3_get_capacity_bits(PyObject *op, void *closure)


static PyObject *
SHA3_get_rate_bits(PyObject *op, void *closure)
SHA3_get_rate_bits(PyObject *op, void *Py_UNUSED(closure))
{
SHA3object *self = _SHA3object_CAST(op);
uint32_t rate = Hacl_Hash_SHA3_block_len(self->hash_state) * 8;
return PyLong_FromLong(rate);
}

static PyObject *
SHA3_get_suffix(PyObject *self, void *closure)
SHA3_get_suffix(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
unsigned char suffix[2] = {0x06, 0};
return PyBytes_FromStringAndSize((const char *)suffix, 1);
Expand Down Expand Up @@ -512,13 +512,13 @@ _sha3_shake_128_hexdigest_impl(SHA3object *self, unsigned long length)
}

static PyObject *
SHAKE_get_digest_size(PyObject *self, void *closure)
SHAKE_get_digest_size(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
return PyLong_FromLong(0);
}

static PyObject *
SHAKE_get_suffix(PyObject *self, void *closure)
SHAKE_get_suffix(PyObject *Py_UNUSED(self), void *Py_UNUSED(closure))
{
unsigned char suffix[2] = {0x1f, 0};
return PyBytes_FromStringAndSize((const char *)suffix, 1);
Expand Down
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