One indirection level too little compared to the

pre-CRYPTO_MEM_LEAK_CB time.

crypto/crypto.h

@@ -388,7 +388,7 @@ void CRYPTO_mem_leaks_fp(FILE *);
 void CRYPTO_mem_leaks(struct bio_st *bio);
 /* unsigned long order, char *file, int line, int num_bytes, char *addr */
 typedef void *CRYPTO_MEM_LEAK_CB(unsigned long, const char *, int, int, void *);
-void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB cb);
+void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb);
 
 void ERR_load_CRYPTO_strings(void);
 

crypto/mem_dbg.c

@@ -753,14 +753,14 @@ void CRYPTO_mem_leaks_fp(FILE *fp)
 /* NB: The prototypes have been typedef'd to CRYPTO_MEM_LEAK_CB inside crypto.h
  * If this code is restructured, remove the callback type if it is no longer
  * needed. -- Geoff Thorpe */
-static void cb_leak(MEM *m, CRYPTO_MEM_LEAK_CB *cb)
+static void cb_leak(MEM *m, CRYPTO_MEM_LEAK_CB **cb)
 	{
 	(**cb)(m->order,m->file,m->line,m->num,m->addr);
 	}
 
-static IMPLEMENT_LHASH_DOALL_ARG_FN(cb_leak, MEM *, CRYPTO_MEM_LEAK_CB *)
+static IMPLEMENT_LHASH_DOALL_ARG_FN(cb_leak, MEM *, CRYPTO_MEM_LEAK_CB **)
 
-void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB cb)
+void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb)
 	{
 	if (mh == NULL) return;
 	CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);