fix some more leaks, mostly suggestions from miod

ok miod@

3 files changed, 8 insertions, 2 deletions

diff --git a/src/lib/libcrypto/asn1/asn_mime.c b/src/lib/libcrypto/asn1/asn_mime.c
index 3de73fdb1e..2b600ab411 100644
--- a/src/lib/libcrypto/asn1/asn_mime.c
+++ b/src/lib/libcrypto/asn1/asn_mime.c
@@ -823,8 +823,10 @@ static MIME_HEADER *mime_hdr_new(char *name, char *value)
                 }
         } else tmpval = NULL;
         mhdr = (MIME_HEADER *) malloc(sizeof(MIME_HEADER));
-        if (!mhdr)
+        if (!mhdr) {
+                OPENSSL_free(tmpname);
                 return NULL;
+        }
         mhdr->name = tmpname;
         mhdr->value = tmpval;
         if (!(mhdr->params = sk_MIME_PARAM_new(mime_param_cmp))) {
diff --git a/src/lib/libcrypto/asn1/bio_asn1.c b/src/lib/libcrypto/asn1/bio_asn1.c
index fa98dba728..b59645909c 100644
--- a/src/lib/libcrypto/asn1/bio_asn1.c
+++ b/src/lib/libcrypto/asn1/bio_asn1.c
@@ -153,8 +153,10 @@ static int asn1_bio_new(BIO *b)
         ctx = malloc(sizeof(BIO_ASN1_BUF_CTX));
         if (!ctx)
                 return 0;
-        if (!asn1_bio_init(ctx, DEFAULT_ASN1_BUF_SIZE))
+        if (!asn1_bio_init(ctx, DEFAULT_ASN1_BUF_SIZE)) {
+                free(ctx);
                 return 0;
+        }
         b->init = 1;
         b->ptr = (char *)ctx;
         b->flags = 0;
diff --git a/src/lib/libcrypto/asn1/tasn_enc.c b/src/lib/libcrypto/asn1/tasn_enc.c
index 9ab0473d73..54e3f7a94a 100644
--- a/src/lib/libcrypto/asn1/tasn_enc.c
+++ b/src/lib/libcrypto/asn1/tasn_enc.c
@@ -455,6 +455,8 @@ static int asn1_set_seq_out(STACK_OF(ASN1_VALUE) *sk, unsigned char **out,
                                                 * sizeof(*derlst));
                         tmpdat = malloc(skcontlen);
                         if (!derlst || !tmpdat)
+                                free(derlst);
+                                free(tmpdat);
                                 return 0;
                         }
                 }