2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
115 #include "cryptlib.h"
116 #include <openssl/crypto.h>
117 #include <openssl/buffer.h>
118 #include <openssl/bio.h>
119 #include <openssl/lhash.h>
121 static int mh_mode=CRYPTO_MEM_CHECK_OFF;
122 /* The state changes to CRYPTO_MEM_CHECK_ON | CRYPTO_MEM_CHECK_ENABLE
123 * when the application asks for it (usually after library initialisation
124 * for which no book-keeping is desired).
126 * State CRYPTO_MEM_CHECK_ON exists only temporarily when the library
127 * thinks that certain allocations should not be checked (e.g. the data
128 * structures used for memory checking). It is not suitable as an initial
129 * state: the library will unexpectedly enable memory checking when it
130 * executes one of those sections that want to disable checking
133 * State CRYPTO_MEM_CHECK_ENABLE without ..._ON makes no sense whatsoever.
136 static unsigned long order = 0; /* number of memory requests */
138 DECLARE_LHASH_OF(MEM);
139 static LHASH_OF(MEM) *mh=NULL; /* hash-table of memory requests
140 * (address as key); access requires
144 typedef struct app_mem_info_st
146 * For application-defined information (static C-string `info')
147 * to be displayed in memory leak list.
148 * Each thread has its own stack. For applications, there is
149 * CRYPTO_push_info("...") to push an entry,
150 * CRYPTO_pop_info() to pop an entry,
151 * CRYPTO_remove_all_info() to pop all entries.
154 CRYPTO_THREADID threadid;
158 struct app_mem_info_st *next; /* tail of thread's stack */
162 static void app_info_free(APP_INFO *);
164 DECLARE_LHASH_OF(APP_INFO);
165 static LHASH_OF(APP_INFO) *amih=NULL; /* hash-table with those
166 * app_mem_info_st's that are at
167 * the top of their thread's
168 * stack (with `thread' as key);
169 * access requires MALLOC2
172 typedef struct mem_st
173 /* memory-block description */
179 CRYPTO_THREADID threadid;
185 static long options = /* extra information to be recorded */
186 #if defined(CRYPTO_MDEBUG_TIME) || defined(CRYPTO_MDEBUG_ALL)
187 V_CRYPTO_MDEBUG_TIME |
189 #if defined(CRYPTO_MDEBUG_THREAD) || defined(CRYPTO_MDEBUG_ALL)
190 V_CRYPTO_MDEBUG_THREAD |
195 static unsigned int num_disable = 0; /* num_disable > 0
197 * mh_mode == CRYPTO_MEM_CHECK_ON (w/o ..._ENABLE)
200 /* Valid iff num_disable > 0. CRYPTO_LOCK_MALLOC2 is locked exactly in this
201 * case (by the thread named in disabling_thread).
203 static CRYPTO_THREADID disabling_threadid;
205 static void app_info_free(APP_INFO *inf)
207 if (--(inf->references) <= 0)
209 if (inf->next != NULL)
211 app_info_free(inf->next);
217 int CRYPTO_mem_ctrl(int mode)
221 CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
224 /* for applications (not to be called while multiple threads
225 * use the library): */
226 case CRYPTO_MEM_CHECK_ON: /* aka MemCheck_start() */
227 mh_mode = CRYPTO_MEM_CHECK_ON|CRYPTO_MEM_CHECK_ENABLE;
230 case CRYPTO_MEM_CHECK_OFF: /* aka MemCheck_stop() */
232 num_disable = 0; /* should be true *before* MemCheck_stop is used,
233 or there'll be a lot of confusion */
236 /* switch off temporarily (for library-internal use): */
237 case CRYPTO_MEM_CHECK_DISABLE: /* aka MemCheck_off() */
238 if (mh_mode & CRYPTO_MEM_CHECK_ON)
241 CRYPTO_THREADID_current(&cur);
242 if (!num_disable || CRYPTO_THREADID_cmp(&disabling_threadid, &cur)) /* otherwise we already have the MALLOC2 lock */
244 /* Long-time lock CRYPTO_LOCK_MALLOC2 must not be claimed while
245 * we're holding CRYPTO_LOCK_MALLOC, or we'll deadlock if
246 * somebody else holds CRYPTO_LOCK_MALLOC2 (and cannot release
247 * it because we block entry to this function).
248 * Give them a chance, first, and then claim the locks in
249 * appropriate order (long-time lock first).
251 CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
252 /* Note that after we have waited for CRYPTO_LOCK_MALLOC2
253 * and CRYPTO_LOCK_MALLOC, we'll still be in the right
254 * "case" and "if" branch because MemCheck_start and
255 * MemCheck_stop may never be used while there are multiple
256 * OpenSSL threads. */
257 CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);
258 CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
259 mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE;
260 CRYPTO_THREADID_cpy(&disabling_threadid, &cur);
265 case CRYPTO_MEM_CHECK_ENABLE: /* aka MemCheck_on() */
266 if (mh_mode & CRYPTO_MEM_CHECK_ON)
268 if (num_disable) /* always true, or something is going wrong */
271 if (num_disable == 0)
273 mh_mode|=CRYPTO_MEM_CHECK_ENABLE;
274 CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);
283 CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
287 int CRYPTO_is_mem_check_on(void)
291 if (mh_mode & CRYPTO_MEM_CHECK_ON)
294 CRYPTO_THREADID_current(&cur);
295 CRYPTO_r_lock(CRYPTO_LOCK_MALLOC);
297 ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE)
298 || CRYPTO_THREADID_cmp(&disabling_threadid, &cur);
300 CRYPTO_r_unlock(CRYPTO_LOCK_MALLOC);
306 void CRYPTO_dbg_set_options(long bits)
311 long CRYPTO_dbg_get_options(void)
316 static int mem_cmp(const MEM *a, const MEM *b)
319 const char *ap=(const char *)a->addr,
320 *bp=(const char *)b->addr;
321 if (ap==bp) return 0;
322 else if (ap>bp) return 1;
325 return (const char *)a->addr - (const char *)b->addr;
328 static IMPLEMENT_LHASH_COMP_FN(mem, MEM)
330 static unsigned long mem_hash(const MEM *a)
334 ret=(unsigned long)a->addr;
336 ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
339 static IMPLEMENT_LHASH_HASH_FN(mem, MEM)
341 /* static int app_info_cmp(APP_INFO *a, APP_INFO *b) */
342 static int app_info_cmp(const void *a_void, const void *b_void)
344 return CRYPTO_THREADID_cmp(&((const APP_INFO *)a_void)->threadid,
345 &((const APP_INFO *)b_void)->threadid);
347 static IMPLEMENT_LHASH_COMP_FN(app_info, APP_INFO)
349 static unsigned long app_info_hash(const APP_INFO *a)
353 ret = CRYPTO_THREADID_hash(&a->threadid);
354 /* This is left in as a "who am I to question legacy?" measure */
355 ret=ret*17851+(ret>>14)*7+(ret>>4)*251;
358 static IMPLEMENT_LHASH_HASH_FN(app_info, APP_INFO)
360 static APP_INFO *pop_info(void)
363 APP_INFO *ret = NULL;
367 CRYPTO_THREADID_current(&tmp.threadid);
368 if ((ret=lh_APP_INFO_delete(amih,&tmp)) != NULL)
370 APP_INFO *next=ret->next;
375 (void)lh_APP_INFO_insert(amih,next);
377 #ifdef LEVITTE_DEBUG_MEM
378 if (CRYPTO_THREADID_cmp(&ret->threadid, &tmp.threadid))
380 fprintf(stderr, "pop_info(): deleted info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
381 CRYPTO_THREADID_hash(&ret->threadid),
382 CRYPTO_THREADID_hash(&tmp.threadid));
386 if (--(ret->references) <= 0)
398 int CRYPTO_push_info_(const char *info, const char *file, int line)
400 APP_INFO *ami, *amim;
403 if (is_MemCheck_on())
405 MemCheck_off(); /* obtain MALLOC2 lock */
407 if ((ami = (APP_INFO *)OPENSSL_malloc(sizeof(APP_INFO))) == NULL)
414 if ((amih=lh_APP_INFO_new()) == NULL)
422 CRYPTO_THREADID_current(&ami->threadid);
429 if ((amim=lh_APP_INFO_insert(amih,ami)) != NULL)
431 #ifdef LEVITTE_DEBUG_MEM
432 if (CRYPTO_THREADID_cmp(&ami->threadid, &amim->threadid))
434 fprintf(stderr, "CRYPTO_push_info(): previous info has other thread ID (%lu) than the current thread (%lu)!!!!\n",
435 CRYPTO_THREADID_hash(&amim->threadid),
436 CRYPTO_THREADID_hash(&ami->threadid));
443 MemCheck_on(); /* release MALLOC2 lock */
449 int CRYPTO_pop_info(void)
453 if (is_MemCheck_on()) /* _must_ be true, or something went severely wrong */
455 MemCheck_off(); /* obtain MALLOC2 lock */
457 ret=(pop_info() != NULL);
459 MemCheck_on(); /* release MALLOC2 lock */
464 int CRYPTO_remove_all_info(void)
468 if (is_MemCheck_on()) /* _must_ be true */
470 MemCheck_off(); /* obtain MALLOC2 lock */
472 while(pop_info() != NULL)
475 MemCheck_on(); /* release MALLOC2 lock */
481 static unsigned long break_order_num=0;
482 void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line,
488 switch(before_p & 127)
496 if (is_MemCheck_on())
498 MemCheck_off(); /* make sure we hold MALLOC2 lock */
499 if ((m=(MEM *)OPENSSL_malloc(sizeof(MEM))) == NULL)
502 MemCheck_on(); /* release MALLOC2 lock
503 * if num_disabled drops to 0 */
508 if ((mh=lh_MEM_new()) == NULL)
521 if (options & V_CRYPTO_MDEBUG_THREAD)
522 CRYPTO_THREADID_current(&m->threadid);
524 memset(&m->threadid, 0, sizeof(m->threadid));
526 if (order == break_order_num)
532 #ifdef LEVITTE_DEBUG_MEM
533 fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] %c 0x%p (%d)\n",
535 (before_p & 128) ? '*' : '+',
538 if (options & V_CRYPTO_MDEBUG_TIME)
543 CRYPTO_THREADID_current(&tmp.threadid);
546 && (amim=lh_APP_INFO_retrieve(amih,&tmp)) != NULL)
552 if ((mm=lh_MEM_insert(mh, m)) != NULL)
554 /* Not good, but don't sweat it */
555 if (mm->app_info != NULL)
557 mm->app_info->references--;
562 MemCheck_on(); /* release MALLOC2 lock
563 * if num_disabled drops to 0 */
570 void CRYPTO_dbg_free(void *addr, int before_p)
580 if (is_MemCheck_on() && (mh != NULL))
582 MemCheck_off(); /* make sure we hold MALLOC2 lock */
585 mp=lh_MEM_delete(mh,&m);
588 #ifdef LEVITTE_DEBUG_MEM
589 fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] - 0x%p (%d)\n",
590 mp->order, mp->addr, mp->num);
592 if (mp->app_info != NULL)
593 app_info_free(mp->app_info);
597 MemCheck_on(); /* release MALLOC2 lock
598 * if num_disabled drops to 0 */
606 void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num,
607 const char *file, int line, int before_p)
611 #ifdef LEVITTE_DEBUG_MEM
612 fprintf(stderr, "LEVITTE_DEBUG_MEM: --> CRYPTO_dbg_malloc(addr1 = %p, addr2 = %p, num = %d, file = \"%s\", line = %d, before_p = %d)\n",
613 addr1, addr2, num, file, line, before_p);
626 CRYPTO_dbg_malloc(addr2, num, file, line, 128 | before_p);
630 if (is_MemCheck_on())
632 MemCheck_off(); /* make sure we hold MALLOC2 lock */
635 mp=lh_MEM_delete(mh,&m);
638 #ifdef LEVITTE_DEBUG_MEM
639 fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] * 0x%p (%d) -> 0x%p (%d)\n",
646 (void)lh_MEM_insert(mh,mp);
649 MemCheck_on(); /* release MALLOC2 lock
650 * if num_disabled drops to 0 */
658 typedef struct mem_leak_st
665 static void print_leak_doall_arg(const MEM *m, MEM_LEAK *l)
671 struct tm *lcl = NULL;
674 #define BUF_REMAIN (sizeof buf - (size_t)(bufp - buf))
676 if(m->addr == (char *)l->bio)
679 if (options & V_CRYPTO_MDEBUG_TIME)
681 lcl = localtime(&m->time);
683 BIO_snprintf(bufp, BUF_REMAIN, "[%02d:%02d:%02d] ",
684 lcl->tm_hour,lcl->tm_min,lcl->tm_sec);
685 bufp += strlen(bufp);
688 BIO_snprintf(bufp, BUF_REMAIN, "%5lu file=%s, line=%d, ",
689 m->order,m->file,m->line);
690 bufp += strlen(bufp);
692 if (options & V_CRYPTO_MDEBUG_THREAD)
694 BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ",
695 CRYPTO_THREADID_hash(&m->threadid));
696 bufp += strlen(bufp);
699 BIO_snprintf(bufp, BUF_REMAIN, "number=%d, address=%08lX\n",
700 m->num,(unsigned long)m->addr);
701 bufp += strlen(bufp);
703 BIO_puts(l->bio,buf);
712 CRYPTO_THREADID_cpy(&ti, &amip->threadid);
720 memset(buf,'>',ami_cnt);
721 BIO_snprintf(buf + ami_cnt, sizeof buf - ami_cnt,
722 " thread=%lu, file=%s, line=%d, info=\"",
723 CRYPTO_THREADID_hash(&amip->threadid), amip->file,
726 info_len=strlen(amip->info);
727 if (128 - buf_len - 3 < info_len)
729 memcpy(buf + buf_len, amip->info, 128 - buf_len - 3);
734 BUF_strlcpy(buf + buf_len, amip->info,
735 sizeof buf - buf_len);
736 buf_len = strlen(buf);
738 BIO_snprintf(buf + buf_len, sizeof buf - buf_len, "\"\n");
740 BIO_puts(l->bio,buf);
744 while(amip && !CRYPTO_THREADID_cmp(&amip->threadid, &ti));
746 #ifdef LEVITTE_DEBUG_MEM
749 fprintf(stderr, "Thread switch detected in backtrace!!!!\n");
755 static IMPLEMENT_LHASH_DOALL_ARG_FN(print_leak, const MEM, MEM_LEAK)
757 void CRYPTO_mem_leaks(BIO *b)
761 if (mh == NULL && amih == NULL)
764 MemCheck_off(); /* obtain MALLOC2 lock */
770 lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak), MEM_LEAK,
774 BIO_printf(b,"%ld bytes leaked in %d chunks\n",
776 #ifdef CRYPTO_MDEBUG_ABORT
782 /* Make sure that, if we found no leaks, memory-leak debugging itself
783 * does not introduce memory leaks (which might irritate
784 * external debugging tools).
785 * (When someone enables leak checking, but does not call
786 * this function, we declare it to be their fault.)
788 * XXX This should be in CRYPTO_mem_leaks_cb,
789 * and CRYPTO_mem_leaks should be implemented by
790 * using CRYPTO_mem_leaks_cb.
791 * (Also there should be a variant of lh_doall_arg
792 * that takes a function pointer instead of a void *;
793 * this would obviate the ugly and illegal
794 * void_fn_to_char kludge in CRYPTO_mem_leaks_cb.
795 * Otherwise the code police will come and get us.)
799 CRYPTO_w_lock(CRYPTO_LOCK_MALLOC);
801 /* avoid deadlock when lh_free() uses CRYPTO_dbg_free(),
802 * which uses CRYPTO_is_mem_check_on */
803 old_mh_mode = mh_mode;
804 mh_mode = CRYPTO_MEM_CHECK_OFF;
813 if (lh_APP_INFO_num_items(amih) == 0)
815 lh_APP_INFO_free(amih);
820 mh_mode = old_mh_mode;
821 CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC);
823 MemCheck_on(); /* release MALLOC2 lock */
826 #ifndef OPENSSL_NO_FP_API
827 void CRYPTO_mem_leaks_fp(FILE *fp)
831 if (mh == NULL) return;
832 /* Need to turn off memory checking when allocated BIOs ... especially
833 * as we're creating them at a time when we're trying to check we've not
834 * left anything un-free()'d!! */
836 b = BIO_new(BIO_s_file());
839 BIO_set_fp(b,fp,BIO_NOCLOSE);
847 /* FIXME: We really don't allow much to the callback. For example, it has
848 no chance of reaching the info stack for the item it processes. Should
849 it really be this way? -- Richard Levitte */
850 /* NB: The prototypes have been typedef'd to CRYPTO_MEM_LEAK_CB inside crypto.h
851 * If this code is restructured, remove the callback type if it is no longer
852 * needed. -- Geoff Thorpe */
854 /* Can't pass CRYPTO_MEM_LEAK_CB directly to lh_MEM_doall_arg because it
855 * is a function pointer and conversion to void * is prohibited. Instead
859 typedef CRYPTO_MEM_LEAK_CB *PCRYPTO_MEM_LEAK_CB;
861 static void cb_leak_doall_arg(const MEM *m, PCRYPTO_MEM_LEAK_CB *cb)
863 (*cb)(m->order,m->file,m->line,m->num,m->addr);
866 static IMPLEMENT_LHASH_DOALL_ARG_FN(cb_leak, const MEM, PCRYPTO_MEM_LEAK_CB)
868 void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb)
870 if (mh == NULL) return;
871 CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2);
872 lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(cb_leak), PCRYPTO_MEM_LEAK_CB,
874 CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2);