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golang/SOURCES/fix-memleak-rsa-ecdh.patch
eabdullin f6700631db import UBI golang-1.20.12-2.el9_3
2024-03-22 09:25:21 +00:00

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diff --git a/src/vendor/github.com/golang-fips/openssl-fips/openssl/ecdh.go b/src/vendor/github.com/golang-fips/openssl-fips/openssl/ecdh.go
index 56adf47bf6..9537870e3c 100644
--- a/src/vendor/github.com/golang-fips/openssl-fips/openssl/ecdh.go
+++ b/src/vendor/github.com/golang-fips/openssl-fips/openssl/ecdh.go
@@ -22,22 +22,10 @@ var (
type PublicKeyECDH struct {
_pkey *C.GO_EVP_PKEY
bytes []byte
-
- // priv is only set when PublicKeyECDH is derived from a private key,
- // in which case priv's finalizer is responsible for freeing _pkey.
- // This ensures priv is not finalized while the public key is alive,
- // which could cause use-after-free and double-free behavior.
- //
- // We could avoid this altogether by using EVP_PKEY_up_ref
- // when instantiating a derived public key, unfortunately
- // it is not available on OpenSSL 1.0.2.
- priv *PrivateKeyECDH
}
func (k *PublicKeyECDH) finalize() {
- if k.priv == nil {
- C._goboringcrypto_EVP_PKEY_free(k._pkey)
- }
+ C._goboringcrypto_EVP_PKEY_free(k._pkey)
}
type PrivateKeyECDH struct {
@@ -58,7 +46,7 @@ func NewPublicKeyECDH(curve string, bytes []byte) (*PublicKeyECDH, error) {
if err != nil {
return nil, err
}
- k := &PublicKeyECDH{pkey, append([]byte(nil), bytes...), nil}
+ k := &PublicKeyECDH{pkey, append([]byte(nil), bytes...)}
runtime.SetFinalizer(k, (*PublicKeyECDH).finalize)
return k, nil
}
@@ -87,14 +75,22 @@ func (k *PrivateKeyECDH) PublicKey() (*PublicKeyECDH, error) {
var bytes []byte
var cbytes *C.uchar
- n := C._goboringcrypto_EVP_PKEY_get1_encoded_ecdh_public_key(k._pkey, &cbytes)
+ pkey := C._goboringcrypto_EVP_PKEY_ref(k._pkey)
+ if pkey == nil {
+ return nil, NewOpenSSLError("EVP_PKEY_ref")
+ }
+ defer func() {
+ C._goboringcrypto_EVP_PKEY_free(pkey)
+ }()
+ n := C._goboringcrypto_EVP_PKEY_get1_encoded_ecdh_public_key(pkey, &cbytes)
if n == 0 {
return nil, NewOpenSSLError("EVP_PKEY_get1_encoded_ecdh_public_key")
}
bytes = C.GoBytes(unsafe.Pointer(cbytes), C.int(n))
C.free(unsafe.Pointer(cbytes))
- pub := &PublicKeyECDH{k._pkey, bytes, k}
+ pub := &PublicKeyECDH{pkey, bytes}
+ pkey = nil
runtime.SetFinalizer(pub, (*PublicKeyECDH).finalize)
return pub, nil
}
diff --git a/src/vendor/github.com/golang-fips/openssl-fips/openssl/goopenssl.h b/src/vendor/github.com/golang-fips/openssl-fips/openssl/goopenssl.h
index a900b3f9e7..03367d5520 100644
--- a/src/vendor/github.com/golang-fips/openssl-fips/openssl/goopenssl.h
+++ b/src/vendor/github.com/golang-fips/openssl-fips/openssl/goopenssl.h
@@ -827,6 +827,9 @@ DEFINEFUNC(GO_EVP_PKEY *, EVP_PKEY_new, (void), ())
DEFINEFUNC(void, EVP_PKEY_free, (GO_EVP_PKEY * arg0), (arg0))
DEFINEFUNC(int, EVP_PKEY_set1_RSA, (GO_EVP_PKEY * arg0, GO_RSA *arg1), (arg0, arg1))
DEFINEFUNC(int, EVP_PKEY_set1_EC_KEY, (GO_EVP_PKEY * arg0, GO_EC_KEY *arg1), (arg0, arg1))
+DEFINEFUNC(const GO_EC_KEY *, EVP_PKEY_get0_EC_KEY, (const GO_EVP_PKEY *pkey), (pkey))
+GO_EVP_PKEY *_goboringcrypto_EVP_PKEY_ref(GO_EVP_PKEY *pkey);
+
DEFINEFUNC(int, EVP_PKEY_verify,
(EVP_PKEY_CTX *ctx, const unsigned char *sig, unsigned int siglen, const unsigned char *tbs, size_t tbslen),
(ctx, sig, siglen, tbs, tbslen))
@@ -1083,15 +1086,6 @@ enum {
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
DEFINEFUNC(int, EVP_PKEY_set1_encoded_public_key, (GO_EVP_PKEY *pkey, const unsigned char *pub, size_t publen), (pkey, pub, publen))
DEFINEFUNC(size_t, EVP_PKEY_get1_encoded_public_key, (GO_EVP_PKEY *pkey, unsigned char **ppub), (pkey, ppub))
-
-DEFINEFUNC(const GO_EC_KEY *, EVP_PKEY_get0_EC_KEY, (const GO_EVP_PKEY *pkey), (pkey))
-#else
-DEFINEFUNCINTERNAL(void *, EVP_PKEY_get0, (const GO_EVP_PKEY *pkey), (pkey))
-static const GO_EC_KEY *
-_goboringcrypto_EVP_PKEY_get0_EC_KEY(const GO_EVP_PKEY *pkey)
-{
- return _goboringcrypto_internal_EVP_PKEY_get0(pkey);
-}
#endif
GO_EVP_PKEY *_goboringcrypto_EVP_PKEY_new_for_ecdh(int nid, const uint8_t *bytes, size_t len, int is_private);
diff --git a/src/vendor/github.com/golang-fips/openssl-fips/openssl/openssl_evp.c b/src/vendor/github.com/golang-fips/openssl-fips/openssl/openssl_evp.c
index 24a9615108..c6b23a984b 100644
--- a/src/vendor/github.com/golang-fips/openssl-fips/openssl/openssl_evp.c
+++ b/src/vendor/github.com/golang-fips/openssl-fips/openssl/openssl_evp.c
@@ -5,6 +5,7 @@
// +build !msan
#include "goopenssl.h"
+#include <assert.h>
int _goboringcrypto_EVP_sign(EVP_MD *md, EVP_PKEY_CTX *ctx, const uint8_t *msg,
size_t msgLen, uint8_t *sig, size_t *slen,
@@ -138,3 +139,52 @@ err:
return ret;
}
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+DEFINEFUNCINTERNAL(int, EVP_PKEY_up_ref, (GO_EVP_PKEY *pkey), (pkey))
+
+GO_EVP_PKEY *
+_goboringcrypto_EVP_PKEY_ref(GO_EVP_PKEY *pkey)
+{
+ if (_goboringcrypto_internal_EVP_PKEY_up_ref(pkey) != 1)
+ return NULL;
+
+ return pkey;
+}
+
+#else
+GO_EVP_PKEY *
+_goboringcrypto_EVP_PKEY_ref(GO_EVP_PKEY *pkey)
+{
+ GO_EVP_PKEY *result = NULL;
+
+ if (pkey->type != EVP_PKEY_EC && pkey->type != EVP_PKEY_RSA)
+ return NULL;
+
+ result = _goboringcrypto_EVP_PKEY_new();
+ if (!result)
+ goto err;
+
+ switch (pkey->type) {
+ case EVP_PKEY_EC:
+ if (_goboringcrypto_EVP_PKEY_set1_EC_KEY(result, _goboringcrypto_EVP_PKEY_get0_EC_KEY()) != 1)
+ goto err;
+ break;
+
+ case EVP_PKEY_RSA:
+ if (_goboringcrypto_EVP_PKEY_set1_RSA_KEY(result, _goboringcrypto_EVP_PKEY_get0_RSA_KEY()) != 1)
+ goto err;
+
+ break;
+
+ default:
+ assert(0);
+ }
+
+ return result;
+
+err:
+ _goboringcrypto_EVP_PKEY_free(result);
+ return NULL;
+}
+#endif
diff --git a/src/vendor/github.com/golang-fips/openssl-fips/openssl/rsa.go b/src/vendor/github.com/golang-fips/openssl-fips/openssl/rsa.go
index 75ba7a8a59..1e016676a0 100644
--- a/src/vendor/github.com/golang-fips/openssl-fips/openssl/rsa.go
+++ b/src/vendor/github.com/golang-fips/openssl-fips/openssl/rsa.go
@@ -116,7 +116,9 @@ func (k *PrivateKeyRSA) withKey(f func(*C.GO_RSA) C.int) C.int {
func setupRSA(withKey func(func(*C.GO_RSA) C.int) C.int,
padding C.int, h hash.Hash, label []byte, saltLen int, ch crypto.Hash,
- init func(*C.GO_EVP_PKEY_CTX) C.int) (pkey *C.GO_EVP_PKEY, ctx *C.GO_EVP_PKEY_CTX, err error) {
+ init func(*C.GO_EVP_PKEY_CTX) C.int) (_ *C.GO_EVP_PKEY,_ *C.GO_EVP_PKEY_CTX, err error) {
+ var pkey *C.GO_EVP_PKEY
+ var ctx *C.GO_EVP_PKEY_CTX
defer func() {
if err != nil {
if pkey != nil {
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