crypto/ec/ec_lib.c:975: error: MEMORY_LEAK
  memory dynamically allocated to `group->mont_data` by call to `BN_MONT_CTX_new()` at line 969, column 24 is not reachable after line 975, column 9.
Showing all 65 steps of the trace


crypto/ec/ec_lib.c:958:1: start of procedure ec_precompute_mont_data()
956.    * returns one on success. On error it returns zero.
957.    */
958. > int ec_precompute_mont_data(EC_GROUP *group)
959.   {
960.       BN_CTX *ctx = BN_CTX_new();

crypto/ec/ec_lib.c:960:5: 
958.   int ec_precompute_mont_data(EC_GROUP *group)
959.   {
960. >     BN_CTX *ctx = BN_CTX_new();
961.       int ret = 0;
962.   

crypto/bn/bn_ctx.c:188:1: start of procedure BN_CTX_new()
  186.   
  187.   
  188. > BN_CTX *BN_CTX_new(void)
  189.   {
  190.       BN_CTX *ret;

crypto/bn/bn_ctx.c:192:9: 
  190.       BN_CTX *ret;
  191.   
  192. >     if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
  193.           BNerr(BN_F_BN_CTX_NEW, ERR_R_MALLOC_FAILURE);
  194.           return NULL;

crypto/mem.c:156:1: start of procedure CRYPTO_zalloc()
    154.   }
    155.   
    156. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:158:5: 
    156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    157.   {
    158. >     void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       if (ret != NULL)

crypto/mem.c:119:1: start of procedure CRYPTO_malloc()
      117.   }
      118.   
      119. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121.       void *ret = NULL;

crypto/mem.c:121:5: 
      119.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      120.   {
      121. >     void *ret = NULL;
      122.   
      123.       if (num <= 0)

crypto/mem.c:123:9: Taking false branch
      121.       void *ret = NULL;
      122.   
      123.       if (num <= 0)
                     ^
      124.           return NULL;
      125.   

crypto/mem.c:126:5: 
      124.           return NULL;
      125.   
      126. >     allow_customize = 0;
      127.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      128.       if (call_malloc_debug) {

crypto/mem.c:136:5: 
      134.       }
      135.   #else
      136. >     (void)file;
      137.       (void)line;
      138.       ret = malloc(num);

crypto/mem.c:137:5: 
      135.   #else
      136.       (void)file;
      137. >     (void)line;
      138.       ret = malloc(num);
      139.   #endif

crypto/mem.c:138:5: 
      136.       (void)file;
      137.       (void)line;
      138. >     ret = malloc(num);
      139.   #endif
      140.   

crypto/mem.c:153:5: 
      151.   #endif
      152.   
      153. >     return ret;
      154.   }
      155.   

crypto/mem.c:154:1: return from a call to CRYPTO_malloc
      152.   
      153.       return ret;
      154. > }
      155.   
      156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:160:9: Taking true branch
    158.       void *ret = CRYPTO_malloc(num, file, line);
    159.   
    160.       if (ret != NULL)
                   ^
    161.           memset(ret, 0, num);
    162.       return ret;

crypto/mem.c:161:9: 
    159.   
    160.       if (ret != NULL)
    161. >         memset(ret, 0, num);
    162.       return ret;
    163.   }

crypto/mem.c:162:5: 
    160.       if (ret != NULL)
    161.           memset(ret, 0, num);
    162. >     return ret;
    163.   }
    164.   

crypto/mem.c:163:1: return from a call to CRYPTO_zalloc
    161.           memset(ret, 0, num);
    162.       return ret;
    163. > }
    164.   
    165.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/bn/bn_ctx.c:192:9: Taking false branch
  190.       BN_CTX *ret;
  191.   
  192.       if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
                 ^
  193.           BNerr(BN_F_BN_CTX_NEW, ERR_R_MALLOC_FAILURE);
  194.           return NULL;

crypto/bn/bn_ctx.c:197:5: 
  195.       }
  196.       /* Initialise the structure */
  197. >     BN_POOL_init(&ret->pool);
  198.       BN_STACK_init(&ret->stack);
  199.       return ret;

crypto/bn/bn_ctx.c:334:1: start of procedure BN_POOL_init()
    332.   /***********/
    333.   
    334. > static void BN_POOL_init(BN_POOL *p)
    335.   {
    336.       p->head = p->current = p->tail = NULL;

crypto/bn/bn_ctx.c:336:5: 
    334.   static void BN_POOL_init(BN_POOL *p)
    335.   {
    336. >     p->head = p->current = p->tail = NULL;
    337.       p->used = p->size = 0;
    338.   }

crypto/bn/bn_ctx.c:337:5: 
    335.   {
    336.       p->head = p->current = p->tail = NULL;
    337. >     p->used = p->size = 0;
    338.   }
    339.   

crypto/bn/bn_ctx.c:338:1: return from a call to BN_POOL_init
    336.       p->head = p->current = p->tail = NULL;
    337.       p->used = p->size = 0;
    338. > }
    339.   
    340.   static void BN_POOL_finish(BN_POOL *p)

crypto/bn/bn_ctx.c:198:5: 
  196.       /* Initialise the structure */
  197.       BN_POOL_init(&ret->pool);
  198. >     BN_STACK_init(&ret->stack);
  199.       return ret;
  200.   }

crypto/bn/bn_ctx.c:293:1: start of procedure BN_STACK_init()
    291.   /************/
    292.   
    293. > static void BN_STACK_init(BN_STACK *st)
    294.   {
    295.       st->indexes = NULL;

crypto/bn/bn_ctx.c:295:5: 
    293.   static void BN_STACK_init(BN_STACK *st)
    294.   {
    295. >     st->indexes = NULL;
    296.       st->depth = st->size = 0;
    297.   }

crypto/bn/bn_ctx.c:296:5: 
    294.   {
    295.       st->indexes = NULL;
    296. >     st->depth = st->size = 0;
    297.   }
    298.   

crypto/bn/bn_ctx.c:297:1: return from a call to BN_STACK_init
    295.       st->indexes = NULL;
    296.       st->depth = st->size = 0;
    297. > }
    298.   
    299.   static void BN_STACK_finish(BN_STACK *st)

crypto/bn/bn_ctx.c:199:5: 
  197.       BN_POOL_init(&ret->pool);
  198.       BN_STACK_init(&ret->stack);
  199. >     return ret;
  200.   }
  201.   

crypto/bn/bn_ctx.c:200:1: return from a call to BN_CTX_new
  198.       BN_STACK_init(&ret->stack);
  199.       return ret;
  200. > }
  201.   
  202.   BN_CTX *BN_CTX_secure_new(void)

crypto/ec/ec_lib.c:961:5: 
959.   {
960.       BN_CTX *ctx = BN_CTX_new();
961. >     int ret = 0;
962.   
963.       BN_MONT_CTX_free(group->mont_data);

crypto/ec/ec_lib.c:963:5: Skipping BN_MONT_CTX_free(): empty list of specs
961.       int ret = 0;
962.   
963.       BN_MONT_CTX_free(group->mont_data);
           ^
964.       group->mont_data = NULL;
965.   

crypto/ec/ec_lib.c:964:5: 
962.   
963.       BN_MONT_CTX_free(group->mont_data);
964. >     group->mont_data = NULL;
965.   
966.       if (ctx == NULL)

crypto/ec/ec_lib.c:966:9: Taking false branch
964.       group->mont_data = NULL;
965.   
966.       if (ctx == NULL)
               ^
967.           goto err;
968.   

crypto/ec/ec_lib.c:969:5: 
967.           goto err;
968.   
969. >     group->mont_data = BN_MONT_CTX_new();
970.       if (group->mont_data == NULL)
971.           goto err;

crypto/bn/bn_mont.c:314:1: start of procedure BN_MONT_CTX_new()
  312.   }
  313.   
  314. > BN_MONT_CTX *BN_MONT_CTX_new(void)
  315.   {
  316.       BN_MONT_CTX *ret;

crypto/bn/bn_mont.c:318:9: 
  316.       BN_MONT_CTX *ret;
  317.   
  318. >     if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL)
  319.           return (NULL);
  320.   

crypto/mem.c:119:1: start of procedure CRYPTO_malloc()
    117.   }
    118.   
    119. > void *CRYPTO_malloc(size_t num, const char *file, int line)
    120.   {
    121.       void *ret = NULL;

crypto/mem.c:121:5: 
    119.   void *CRYPTO_malloc(size_t num, const char *file, int line)
    120.   {
    121. >     void *ret = NULL;
    122.   
    123.       if (num <= 0)

crypto/mem.c:123:9: Taking false branch
    121.       void *ret = NULL;
    122.   
    123.       if (num <= 0)
                   ^
    124.           return NULL;
    125.   

crypto/mem.c:126:5: 
    124.           return NULL;
    125.   
    126. >     allow_customize = 0;
    127.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
    128.       if (call_malloc_debug) {

crypto/mem.c:136:5: 
    134.       }
    135.   #else
    136. >     (void)file;
    137.       (void)line;
    138.       ret = malloc(num);

crypto/mem.c:137:5: 
    135.   #else
    136.       (void)file;
    137. >     (void)line;
    138.       ret = malloc(num);
    139.   #endif

crypto/mem.c:138:5: 
    136.       (void)file;
    137.       (void)line;
    138. >     ret = malloc(num);
    139.   #endif
    140.   

crypto/mem.c:153:5: 
    151.   #endif
    152.   
    153. >     return ret;
    154.   }
    155.   

crypto/mem.c:154:1: return from a call to CRYPTO_malloc
    152.   
    153.       return ret;
    154. > }
    155.   
    156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/bn/bn_mont.c:318:9: Taking false branch
  316.       BN_MONT_CTX *ret;
  317.   
  318.       if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL)
                 ^
  319.           return (NULL);
  320.   

crypto/bn/bn_mont.c:321:5: 
  319.           return (NULL);
  320.   
  321. >     BN_MONT_CTX_init(ret);
  322.       ret->flags = BN_FLG_MALLOCED;
  323.       return (ret);

crypto/bn/bn_mont.c:326:1: start of procedure BN_MONT_CTX_init()
    324.   }
    325.   
    326. > void BN_MONT_CTX_init(BN_MONT_CTX *ctx)
    327.   {
    328.       ctx->ri = 0;

crypto/bn/bn_mont.c:328:5: 
    326.   void BN_MONT_CTX_init(BN_MONT_CTX *ctx)
    327.   {
    328. >     ctx->ri = 0;
    329.       bn_init(&(ctx->RR));
    330.       bn_init(&(ctx->N));

crypto/bn/bn_mont.c:329:5: Skipping bn_init(): empty list of specs
    327.   {
    328.       ctx->ri = 0;
    329.       bn_init(&(ctx->RR));
               ^
    330.       bn_init(&(ctx->N));
    331.       bn_init(&(ctx->Ni));

crypto/bn/bn_mont.c:330:5: Skipping bn_init(): empty list of specs
    328.       ctx->ri = 0;
    329.       bn_init(&(ctx->RR));
    330.       bn_init(&(ctx->N));
               ^
    331.       bn_init(&(ctx->Ni));
    332.       ctx->n0[0] = ctx->n0[1] = 0;

crypto/bn/bn_mont.c:331:5: Skipping bn_init(): empty list of specs
    329.       bn_init(&(ctx->RR));
    330.       bn_init(&(ctx->N));
    331.       bn_init(&(ctx->Ni));
               ^
    332.       ctx->n0[0] = ctx->n0[1] = 0;
    333.       ctx->flags = 0;

crypto/bn/bn_mont.c:332:5: 
    330.       bn_init(&(ctx->N));
    331.       bn_init(&(ctx->Ni));
    332. >     ctx->n0[0] = ctx->n0[1] = 0;
    333.       ctx->flags = 0;
    334.   }

crypto/bn/bn_mont.c:333:5: 
    331.       bn_init(&(ctx->Ni));
    332.       ctx->n0[0] = ctx->n0[1] = 0;
    333. >     ctx->flags = 0;
    334.   }
    335.   

crypto/bn/bn_mont.c:334:1: return from a call to BN_MONT_CTX_init
    332.       ctx->n0[0] = ctx->n0[1] = 0;
    333.       ctx->flags = 0;
    334. > }
    335.   
    336.   void BN_MONT_CTX_free(BN_MONT_CTX *mont)

crypto/bn/bn_mont.c:322:5: 
  320.   
  321.       BN_MONT_CTX_init(ret);
  322. >     ret->flags = BN_FLG_MALLOCED;
  323.       return (ret);
  324.   }

crypto/bn/bn_mont.c:323:5: 
  321.       BN_MONT_CTX_init(ret);
  322.       ret->flags = BN_FLG_MALLOCED;
  323. >     return (ret);
  324.   }
  325.   

crypto/bn/bn_mont.c:324:1: return from a call to BN_MONT_CTX_new
  322.       ret->flags = BN_FLG_MALLOCED;
  323.       return (ret);
  324. > }
  325.   
  326.   void BN_MONT_CTX_init(BN_MONT_CTX *ctx)

crypto/ec/ec_lib.c:970:9: Taking false branch
968.   
969.       group->mont_data = BN_MONT_CTX_new();
970.       if (group->mont_data == NULL)
               ^
971.           goto err;
972.   

crypto/ec/ec_lib.c:973:10: Taking true branch
971.           goto err;
972.   
973.       if (!BN_MONT_CTX_set(group->mont_data, group->order, ctx)) {
                ^
974.           BN_MONT_CTX_free(group->mont_data);
975.           group->mont_data = NULL;

crypto/ec/ec_lib.c:974:9: Skipping BN_MONT_CTX_free(): empty list of specs
972.   
973.       if (!BN_MONT_CTX_set(group->mont_data, group->order, ctx)) {
974.           BN_MONT_CTX_free(group->mont_data);
               ^
975.           group->mont_data = NULL;
976.           goto err;

crypto/ec/ec_lib.c:975:9: 
973.       if (!BN_MONT_CTX_set(group->mont_data, group->order, ctx)) {
974.           BN_MONT_CTX_free(group->mont_data);
975. >         group->mont_data = NULL;
976.           goto err;
977.       }

int ec_precompute_mont_data(EC_GROUP *group)
{
    BN_CTX *ctx = BN_CTX_new();
    int ret = 0;
    BN_MONT_CTX_free(group->mont_data);
    group->mont_data = NULL;
    if (ctx == NULL)
        goto err;
    group->mont_data = BN_MONT_CTX_new();
    if (group->mont_data == NULL)
        goto err;
    if (!BN_MONT_CTX_set(group->mont_data, group->order, ctx)) {
        BN_MONT_CTX_free(group->mont_data);
        group->mont_data = NULL;
        goto err;
    }
    ret = 1;
 err:
    BN_CTX_free(ctx);
    return ret;
}
['int ec_precompute_mont_data(EC_GROUP *group)\n{\n    BN_CTX *ctx = BN_CTX_new();\n    int ret = 0;\n    BN_MONT_CTX_free(group->mont_data);\n    group->mont_data = NULL;\n    if (ctx == NULL)\n        goto err;\n    group->mont_data = BN_MONT_CTX_new();\n    if (group->mont_data == NULL)\n        goto err;\n    if (!BN_MONT_CTX_set(group->mont_data, group->order, ctx)) {\n        BN_MONT_CTX_free(group->mont_data);\n        group->mont_data = NULL;\n        goto err;\n    }\n    ret = 1;\n err:\n    BN_CTX_free(ctx);\n    return ret;\n}', 'BN_CTX *BN_CTX_new(void)\n{\n    BN_CTX *ret;\n    if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {\n        BNerr(BN_F_BN_CTX_NEW, ERR_R_MALLOC_FAILURE);\n        return NULL;\n    }\n    BN_POOL_init(&ret->pool);\n    BN_STACK_init(&ret->stack);\n    return ret;\n}', 'void *CRYPTO_zalloc(size_t num, const char *file, int line)\n{\n    void *ret = CRYPTO_malloc(num, file, line);\n    if (ret != NULL)\n        memset(ret, 0, num);\n    return ret;\n}', 'void *CRYPTO_malloc(size_t num, const char *file, int line)\n{\n    void *ret = NULL;\n    if (num <= 0)\n        return NULL;\n    allow_customize = 0;\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_malloc(NULL, num, 0, file, line);\n        ret = malloc(num);\n        CRYPTO_mem_debug_malloc(ret, num, 1, file, line);\n    } else {\n        ret = malloc(num);\n    }\n#else\n    (void)file;\n    (void)line;\n    ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n    if (ret && (num > 2048)) {\n        extern unsigned char cleanse_ctr;\n        ((unsigned char *)ret)[0] = cleanse_ctr;\n    }\n#endif\n    return ret;\n}', 'static void BN_POOL_init(BN_POOL *p)\n{\n    p->head = p->current = p->tail = NULL;\n    p->used = p->size = 0;\n}', 'static void BN_STACK_init(BN_STACK *st)\n{\n    st->indexes = NULL;\n    st->depth = st->size = 0;\n}', 'BN_MONT_CTX *BN_MONT_CTX_new(void)\n{\n    BN_MONT_CTX *ret;\n    if ((ret = OPENSSL_malloc(sizeof(*ret))) == NULL)\n        return (NULL);\n    BN_MONT_CTX_init(ret);\n    ret->flags = BN_FLG_MALLOCED;\n    return (ret);\n}', 'void BN_MONT_CTX_init(BN_MONT_CTX *ctx)\n{\n    ctx->ri = 0;\n    bn_init(&(ctx->RR));\n    bn_init(&(ctx->N));\n    bn_init(&(ctx->Ni));\n    ctx->n0[0] = ctx->n0[1] = 0;\n    ctx->flags = 0;\n}']