1 files changed, 17 insertions, 7 deletions

diff --git a/src/lib/libcrypto/mem_dbg.c b/src/lib/libcrypto/mem_dbg.c
index 1c4e04f51f..57bd08f65d 100644
--- a/src/lib/libcrypto/mem_dbg.c
+++ b/src/lib/libcrypto/mem_dbg.c
@@ -102,6 +102,8 @@ typedef struct app_mem_info_st
         int references;
         } APP_INFO;
 
+static void app_info_free(APP_INFO *);
+
 static LHASH *amih=NULL; /* hash-table with those app_mem_info_st's
                           * that are at the top of their thread's stack
                           * (with `thread' as key);
@@ -140,6 +142,18 @@ static unsigned long disabling_thread = 0; /* Valid iff num_disable > 0.
                                             * thread named in disabling_thread).
                                             */
 
+static void app_info_free(APP_INFO *inf)
+        {
+        if (--(inf->references) <= 0)
+                {
+                if (inf->next != NULL)
+                        {
+                        app_info_free(inf->next);
+                        }
+                OPENSSL_free(inf);
+                }
+        }
+
 int CRYPTO_mem_ctrl(int mode)
         {
         int ret=mh_mode;
@@ -502,9 +516,7 @@ void CRYPTO_dbg_free(void *addr, int before_p)
                                 mp->order, mp->addr, mp->num);
 #endif
                                 if (mp->app_info != NULL)
-                                        {
-                                        mp->app_info->references--;
-                                        }
+                                        app_info_free(mp->app_info);
                                 OPENSSL_free(mp);
                                 }
 
@@ -666,7 +678,6 @@ static IMPLEMENT_LHASH_DOALL_ARG_FN(print_leak, const MEM *, MEM_LEAK *)
 void CRYPTO_mem_leaks(BIO *b)
         {
         MEM_LEAK ml;
-        char buf[80];
 
         if (mh == NULL && amih == NULL)
                 return;
@@ -681,9 +692,8 @@ void CRYPTO_mem_leaks(BIO *b)
                                 (char *)&ml);
         if (ml.chunks != 0)
                 {
-                sprintf(buf,"%ld bytes leaked in %d chunks\n",
-                        ml.bytes,ml.chunks);
-                BIO_puts(b,buf);
+                BIO_printf(b,"%ld bytes leaked in %d chunks\n",
+                           ml.bytes,ml.chunks);
                 }
         else
                 {