external/boringssl: bump revision.

This change bumps the BoringSSL revision to the current tip-of-tree.

Change-Id: I91d5bf467e16e8d86cb19a4de873985f524e5faa

1 files changed, 12 insertions, 3 deletions

diff --git a/src/crypto/bytestring/cbb.c b/src/crypto/bytestring/cbb.c
index 4428836..f1e09a2 100644
--- a/src/crypto/bytestring/cbb.c
+++ b/src/crypto/bytestring/cbb.c
@@ -25,7 +25,6 @@ static int cbb_init(CBB *cbb, uint8_t *buf, size_t cap) {
 
   base = OPENSSL_malloc(sizeof(struct cbb_buffer_st));
   if (base == NULL) {
-    OPENSSL_free(buf);
     return 0;
   }
 
@@ -48,7 +47,12 @@ int CBB_init(CBB *cbb, size_t initial_capacity) {
     return 0;
   }
 
-  return cbb_init(cbb, buf, initial_capacity);
+  if (!cbb_init(cbb, buf, initial_capacity)) {
+    OPENSSL_free(buf);
+    return 0;
+  }
+
+  return 1;
 }
 
 int CBB_init_fixed(CBB *cbb, uint8_t *buf, size_t len) {
@@ -62,7 +66,7 @@ int CBB_init_fixed(CBB *cbb, uint8_t *buf, size_t len) {
 
 void CBB_cleanup(CBB *cbb) {
   if (cbb->base) {
-    if (cbb->base->buf && cbb->base->can_resize) {
+    if (cbb->base->can_resize) {
       OPENSSL_free(cbb->base->buf);
     }
     OPENSSL_free(cbb->base);
@@ -276,6 +280,11 @@ int CBB_add_u24_length_prefixed(CBB *cbb, CBB *out_contents) {
 }
 
 int CBB_add_asn1(CBB *cbb, CBB *out_contents, uint8_t tag) {
+  if ((tag & 0x1f) == 0x1f) {
+    /* Long form identifier octets are not supported. */
+    return 0;
+  }
+
   if (!CBB_flush(cbb) ||
       !CBB_add_u8(cbb, tag)) {
     return 0;