X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fmem_dbg.c;h=ad5209b8175fe8cb0a3cdb9cc7788c210398546d;hp=8316485217ac48847f59ce5ce8a51ba86df2ff97;hb=dd6f479ea8548ffc56a52ecdaba94c7d277dec83;hpb=1875e6db29fb832d3cac101024ccb1f690b35028 diff --git a/crypto/mem_dbg.c b/crypto/mem_dbg.c index 8316485217..ad5209b817 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 #include @@ -81,8 +134,11 @@ static int mh_mode=CRYPTO_MEM_CHECK_OFF; */ static unsigned long order = 0; /* number of memory requests */ -static LHASH *mh=NULL; /* hash-table of memory requests (address as key); - * access requires MALLOC2 lock */ + +DECLARE_LHASH_OF(MEM); +static LHASH_OF(MEM) *mh=NULL; /* hash-table of memory requests + * (address as key); access requires + * MALLOC2 lock */ typedef struct app_mem_info_st @@ -93,8 +149,9 @@ typedef struct app_mem_info_st * CRYPTO_pop_info() to pop an entry, * 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; @@ -104,10 +161,13 @@ typedef struct app_mem_info_st 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); - * access requires MALLOC2 lock */ +DECLARE_LHASH_OF(APP_INFO); +static LHASH_OF(APP_INFO) *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); + * access requires MALLOC2 + * lock */ typedef struct mem_st /* memory-block description */ @@ -116,7 +176,8 @@ 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 +197,13 @@ 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 +240,9 @@ 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 +260,8 @@ 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 +297,8 @@ 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); } @@ -249,49 +316,52 @@ long CRYPTO_dbg_get_options(void) return options; } -/* static int mem_cmp(MEM *a, MEM *b) */ -static int mem_cmp(const void *a_void, const void *b_void) +static int mem_cmp(const MEM *a, const MEM *b) { #ifdef _WIN64 - const char *a=(const char *)((const MEM *)a_void)->addr, - *b=(const char *)((const MEM *)b_void)->addr; - if (a==b) return 0; - else if (a>b) return 1; + const char *ap=(const char *)a->addr, + *bp=(const char *)b->addr; + if (ap==bp) return 0; + else if (ap>bp) return 1; else return -1; #else - return((const char *)((const MEM *)a_void)->addr - - (const char *)((const MEM *)b_void)->addr); + return (const char *)a->addr - (const char *)b->addr; #endif } +static IMPLEMENT_LHASH_COMP_FN(mem, MEM) -/* static unsigned long mem_hash(MEM *a) */ -static unsigned long mem_hash(const void *a_void) +static unsigned long mem_hash(const MEM *a) { unsigned long ret; - ret=(unsigned long)((const MEM *)a_void)->addr; + ret=(unsigned long)a->addr; ret=ret*17851+(ret>>14)*7+(ret>>4)*251; return(ret); } +static IMPLEMENT_LHASH_HASH_FN(mem, MEM) /* 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 IMPLEMENT_LHASH_COMP_FN(app_info, APP_INFO) -/* static unsigned long app_info_hash(APP_INFO *a) */ -static unsigned long app_info_hash(const void *a_void) +static unsigned long app_info_hash(const APP_INFO *a) { + unsigned long id1, id2; unsigned long ret; - ret=(unsigned long)((const APP_INFO *)a_void)->thread; + id1=(unsigned long)a->thread_id; + id2=(unsigned long)a->thread_idptr; + ret = id1 + id2; ret=ret*17851+(ret>>14)*7+(ret>>4)*251; return(ret); } +static IMPLEMENT_LHASH_HASH_FN(app_info, APP_INFO) static APP_INFO *pop_info(void) { @@ -300,21 +370,22 @@ static APP_INFO *pop_info(void) if (amih != NULL) { - tmp.thread=CRYPTO_thread_id(); - if ((ret=(APP_INFO *)lh_delete(amih,&tmp)) != NULL) + tmp.thread_id=CRYPTO_thread_id(); + tmp.thread_idptr=CRYPTO_thread_idptr(); + if ((ret=lh_APP_INFO_delete(amih,&tmp)) != NULL) { APP_INFO *next=ret->next; if (next != NULL) { next->references++; - lh_insert(amih,(char *)next); + (void)lh_APP_INFO_insert(amih,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 @@ -346,7 +417,7 @@ int CRYPTO_push_info_(const char *info, const char *file, int line) } if (amih == NULL) { - if ((amih=lh_new(app_info_hash, app_info_cmp)) == NULL) + if ((amih=lh_APP_INFO_new()) == NULL) { OPENSSL_free(ami); ret=0; @@ -354,20 +425,21 @@ 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; ami->references=1; ami->next=NULL; - if ((amim=(APP_INFO *)lh_insert(amih,(char *)ami)) != NULL) + if ((amim=lh_APP_INFO_insert(amih,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 @@ -439,7 +511,7 @@ void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, } if (mh == NULL) { - if ((mh=lh_new(mem_hash, mem_cmp)) == NULL) + if ((mh=lh_MEM_new()) == NULL) { OPENSSL_free(addr); OPENSSL_free(m); @@ -453,9 +525,15 @@ 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 +542,7 @@ 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); @@ -474,16 +552,17 @@ 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) + && (amim=lh_APP_INFO_retrieve(amih,&tmp)) != NULL) { m->app_info = amim; amim->references++; } - if ((mm=(MEM *)lh_insert(mh,(char *)m)) != NULL) + if ((mm=lh_MEM_insert(mh, m)) != NULL) { /* Not good, but don't sweat it */ if (mm->app_info != NULL) @@ -516,11 +595,11 @@ void CRYPTO_dbg_free(void *addr, int before_p) MemCheck_off(); /* make sure we hold MALLOC2 lock */ m.addr=addr; - mp=(MEM *)lh_delete(mh,(char *)&m); + mp=lh_MEM_delete(mh,&m); 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) @@ -566,18 +645,18 @@ void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, MemCheck_off(); /* make sure we hold MALLOC2 lock */ m.addr=addr1; - mp=(MEM *)lh_delete(mh,(char *)&m); + mp=lh_MEM_delete(mh,&m); 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); #endif mp->addr=addr2; mp->num=num; - lh_insert(mh,(char *)mp); + (void)lh_MEM_insert(mh,mp); } MemCheck_on(); /* release MALLOC2 lock @@ -596,7 +675,7 @@ typedef struct mem_leak_st long bytes; } MEM_LEAK; -static void print_leak(const MEM *m, MEM_LEAK *l) +static void print_leak_doall_arg(const MEM *m, MEM_LEAK *l) { char buf[1024]; char *bufp = buf; @@ -604,6 +683,7 @@ 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 +705,7 @@ 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 +722,8 @@ 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 +733,8 @@ 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) @@ -673,8 +754,8 @@ 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) { @@ -684,7 +765,7 @@ static void print_leak(const MEM *m, MEM_LEAK *l) #endif } -static IMPLEMENT_LHASH_DOALL_ARG_FN(print_leak, const MEM *, MEM_LEAK *) +static IMPLEMENT_LHASH_DOALL_ARG_FN(print_leak, const MEM, MEM_LEAK) void CRYPTO_mem_leaks(BIO *b) { @@ -699,8 +780,8 @@ void CRYPTO_mem_leaks(BIO *b) ml.bytes=0; ml.chunks=0; if (mh != NULL) - lh_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak), - (char *)&ml); + lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak), MEM_LEAK, + &ml); if (ml.chunks != 0) { BIO_printf(b,"%ld bytes leaked in %d chunks\n", @@ -734,14 +815,14 @@ void CRYPTO_mem_leaks(BIO *b) if (mh != NULL) { - lh_free(mh); + lh_MEM_free(mh); mh = NULL; } if (amih != NULL) { - if (lh_num_items(amih) == 0) + if (lh_APP_INFO_num_items(amih) == 0) { - lh_free(amih); + lh_APP_INFO_free(amih); amih = NULL; } } @@ -779,17 +860,26 @@ 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(const MEM *m, CRYPTO_MEM_LEAK_CB **cb) + +/* Can't pass CRYPTO_MEM_LEAK_CB directly to lh_MEM_doall_arg because it + * is a function pointer and conversion to void * is prohibited. Instead + * pass its address + */ + +typedef CRYPTO_MEM_LEAK_CB *PCRYPTO_MEM_LEAK_CB; + +static void cb_leak_doall_arg(const MEM *m, PCRYPTO_MEM_LEAK_CB *cb) { - (**cb)(m->order,m->file,m->line,m->num,m->addr); + (*cb)(m->order,m->file,m->line,m->num,m->addr); } -static IMPLEMENT_LHASH_DOALL_ARG_FN(cb_leak, const MEM *, CRYPTO_MEM_LEAK_CB **) +static IMPLEMENT_LHASH_DOALL_ARG_FN(cb_leak, const MEM, PCRYPTO_MEM_LEAK_CB) void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb) { if (mh == NULL) return; CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2); - lh_doall_arg(mh, LHASH_DOALL_ARG_FN(cb_leak), &cb); + lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(cb_leak), PCRYPTO_MEM_LEAK_CB, + &cb); CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2); }