diff options
Diffstat (limited to 'crypto/mem_dbg.c')
-rw-r--r-- | crypto/mem_dbg.c | 139 |
1 files changed, 107 insertions, 32 deletions
diff --git a/crypto/mem_dbg.c b/crypto/mem_dbg.c index 8316485217..5e55d22277 100644 --- a/crypto/mem_dbg.c +++ b/crypto/mem_dbg.c @@ -55,6 +55,59 @@ * copied and put under another distribution licence * [including the GNU Public Licence.] */ +/* ==================================================================== + * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ #include <stdio.h> #include <stdlib.h> @@ -94,7 +147,8 @@ typedef struct app_mem_info_st * CRYPTO_remove_all_info() to pop all entries. */ { - unsigned long thread; + unsigned long thread_id; + void *thread_idptr; const char *file; int line; const char *info; @@ -116,7 +170,8 @@ typedef struct mem_st int num; const char *file; int line; - unsigned long thread; + unsigned long thread_id; + void *thread_idptr; unsigned long order; time_t time; APP_INFO *app_info; @@ -136,11 +191,13 @@ static unsigned int num_disable = 0; /* num_disable > 0 * iff * mh_mode == CRYPTO_MEM_CHECK_ON (w/o ..._ENABLE) */ -static unsigned long disabling_thread = 0; /* Valid iff num_disable > 0. - * CRYPTO_LOCK_MALLOC2 is locked - * exactly in this case (by the - * thread named in disabling_thread). - */ + +/* The following two variables, disabling_thread_id and disabling_thread_idptr, + * are valid iff num_disable > 0. CRYPTO_LOCK_MALLOC2 is locked exactly in + * this case (by the thread named in disabling_thread_id / disabling_thread_idptr). + */ +static unsigned long disabling_thread_id = 0; +static void *disabling_thread_idptr = NULL; static void app_info_free(APP_INFO *inf) { @@ -177,7 +234,9 @@ int CRYPTO_mem_ctrl(int mode) case CRYPTO_MEM_CHECK_DISABLE: /* aka MemCheck_off() */ if (mh_mode & CRYPTO_MEM_CHECK_ON) { - if (!num_disable || (disabling_thread != CRYPTO_thread_id())) /* otherwise we already have the MALLOC2 lock */ + if (!num_disable + || (disabling_thread_id != CRYPTO_thread_id()) + || (disabling_thread_idptr != CRYPTO_thread_idptr())) /* otherwise we already have the MALLOC2 lock */ { /* Long-time lock CRYPTO_LOCK_MALLOC2 must not be claimed while * we're holding CRYPTO_LOCK_MALLOC, or we'll deadlock if @@ -195,7 +254,8 @@ int CRYPTO_mem_ctrl(int mode) CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2); CRYPTO_w_lock(CRYPTO_LOCK_MALLOC); mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE; - disabling_thread=CRYPTO_thread_id(); + disabling_thread_id=CRYPTO_thread_id(); + disabling_thread_idptr=CRYPTO_thread_idptr(); } num_disable++; } @@ -231,7 +291,8 @@ int CRYPTO_is_mem_check_on(void) CRYPTO_r_lock(CRYPTO_LOCK_MALLOC); ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE) - || (disabling_thread != CRYPTO_thread_id()); + || (disabling_thread_id != CRYPTO_thread_id()) + || (disabling_thread_idptr != CRYPTO_thread_idptr()); CRYPTO_r_unlock(CRYPTO_LOCK_MALLOC); } @@ -278,16 +339,19 @@ static unsigned long mem_hash(const void *a_void) /* static int app_info_cmp(APP_INFO *a, APP_INFO *b) */ static int app_info_cmp(const void *a_void, const void *b_void) { - return(((const APP_INFO *)a_void)->thread - != ((const APP_INFO *)b_void)->thread); + return (((const APP_INFO *)a_void)->thread_id != ((const APP_INFO *)b_void)->thread_id) + || (((const APP_INFO *)a_void)->thread_idptr != ((const APP_INFO *)b_void)->thread_idptr); } /* static unsigned long app_info_hash(APP_INFO *a) */ static unsigned long app_info_hash(const void *a_void) { + unsigned long id1, id2; unsigned long ret; - ret=(unsigned long)((const APP_INFO *)a_void)->thread; + id1=(unsigned long)((const APP_INFO *)a_void)->thread_id; + id2=(unsigned long)((const APP_INFO *)a_void)->thread_idptr; + ret = id1 + id2; ret=ret*17851+(ret>>14)*7+(ret>>4)*251; return(ret); @@ -300,7 +364,8 @@ static APP_INFO *pop_info(void) if (amih != NULL) { - tmp.thread=CRYPTO_thread_id(); + tmp.thread_id=CRYPTO_thread_id(); + tmp.thread_idptr=CRYPTO_thread_idptr(); if ((ret=(APP_INFO *)lh_delete(amih,&tmp)) != NULL) { APP_INFO *next=ret->next; @@ -311,10 +376,10 @@ static APP_INFO *pop_info(void) lh_insert(amih,(char *)next); } #ifdef LEVITTE_DEBUG_MEM - if (ret->thread != tmp.thread) + if (ret->thread_id != tmp.thread_id || ret->thread_idptr != tmp.thread_idptr) { - fprintf(stderr, "pop_info(): deleted info has other thread ID (%lu) than the current thread (%lu)!!!!\n", - ret->thread, tmp.thread); + fprintf(stderr, "pop_info(): deleted info has other thread ID (%lu/%p) than the current thread (%lu/%p)!!!!\n", + ret->thread_id, ret->thread_idptr, tmp.thread_id, tmp.thread_idptr); abort(); } #endif @@ -354,7 +419,8 @@ int CRYPTO_push_info_(const char *info, const char *file, int line) } } - ami->thread=CRYPTO_thread_id(); + ami->thread_id=CRYPTO_thread_id(); + ami->thread_idptr=CRYPTO_thread_idptr(); ami->file=file; ami->line=line; ami->info=info; @@ -364,10 +430,10 @@ int CRYPTO_push_info_(const char *info, const char *file, int line) if ((amim=(APP_INFO *)lh_insert(amih,(char *)ami)) != NULL) { #ifdef LEVITTE_DEBUG_MEM - if (ami->thread != amim->thread) + if (ami->thread_id != amim->thread_id || ami->thread_idptr != amim->thread_idptr) { - fprintf(stderr, "CRYPTO_push_info(): previous info has other thread ID (%lu) than the current thread (%lu)!!!!\n", - amim->thread, ami->thread); + fprintf(stderr, "CRYPTO_push_info(): previous info has other thread ID (%lu/%p) than the current thread (%lu/%p)!!!!\n", + amim->thread_id, amim->thread_idptr, ami->thread_id, ami->thread_idptr); abort(); } #endif @@ -453,9 +519,15 @@ void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, m->line=line; m->num=num; if (options & V_CRYPTO_MDEBUG_THREAD) - m->thread=CRYPTO_thread_id(); + { + m->thread_id=CRYPTO_thread_id(); + m->thread_idptr=CRYPTO_thread_idptr(); + } else - m->thread=0; + { + m->thread_id=0; + m->thread_idptr=NULL; + } if (order == break_order_num) { @@ -464,7 +536,7 @@ void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, } m->order=order++; #ifdef LEVITTE_DEBUG_MEM - fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] %c 0x%p (%d)\n", + fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] %c 0x%p (%d)\n", m->order, (before_p & 128) ? '*' : '+', m->addr, m->num); @@ -474,7 +546,8 @@ void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, else m->time=0; - tmp.thread=CRYPTO_thread_id(); + tmp.thread_id=CRYPTO_thread_id(); + tmp.thread_idptr=CRYPTO_thread_idptr(); m->app_info=NULL; if (amih != NULL && (amim=(APP_INFO *)lh_retrieve(amih,(char *)&tmp)) != NULL) @@ -520,7 +593,7 @@ void CRYPTO_dbg_free(void *addr, int before_p) if (mp != NULL) { #ifdef LEVITTE_DEBUG_MEM - fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] - 0x%p (%d)\n", + fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] - 0x%p (%d)\n", mp->order, mp->addr, mp->num); #endif if (mp->app_info != NULL) @@ -570,7 +643,7 @@ void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, if (mp != NULL) { #ifdef LEVITTE_DEBUG_MEM - fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5d] * 0x%p (%d) -> 0x%p (%d)\n", + fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] * 0x%p (%d) -> 0x%p (%d)\n", mp->order, mp->addr, mp->num, addr2, num); @@ -604,6 +677,7 @@ static void print_leak(const MEM *m, MEM_LEAK *l) int ami_cnt; struct tm *lcl = NULL; unsigned long ti; + void *tip; #define BUF_REMAIN (sizeof buf - (size_t)(bufp - buf)) @@ -625,7 +699,7 @@ static void print_leak(const MEM *m, MEM_LEAK *l) if (options & V_CRYPTO_MDEBUG_THREAD) { - BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ", m->thread); + BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu/%p, ", m->thread_id, m->thread_idptr); bufp += strlen(bufp); } @@ -642,7 +716,8 @@ static void print_leak(const MEM *m, MEM_LEAK *l) ami_cnt=0; if (!amip) return; - ti=amip->thread; + ti=amip->thread_id; + tip=amip->thread_idptr; do { @@ -652,8 +727,8 @@ static void print_leak(const MEM *m, MEM_LEAK *l) ami_cnt++; memset(buf,'>',ami_cnt); BIO_snprintf(buf + ami_cnt, sizeof buf - ami_cnt, - " thread=%lu, file=%s, line=%d, info=\"", - amip->thread, amip->file, amip->line); + " thread=%lu/%p, file=%s, line=%d, info=\"", + amip->thread_id, amip->thread_idptr, amip->file, amip->line); buf_len=strlen(buf); info_len=strlen(amip->info); if (128 - buf_len - 3 < info_len) @@ -673,7 +748,7 @@ static void print_leak(const MEM *m, MEM_LEAK *l) amip = amip->next; } - while(amip && amip->thread == ti); + while(amip && amip->thread_id == ti && amip->thread_idptr == tip); #ifdef LEVITTE_DEBUG_MEM if (amip) |