ssl/s3_enc.c:582: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 549, column 23 is not reachable after line 582, column 5.
Showing all 40 steps of the trace


ssl/s3_enc.c:534:1: start of procedure ssl3_generate_master_secret()
532.   }
533.   
534. > int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
535.                                   int len)
536.   {

ssl/s3_enc.c:537:5: 
535.                                   int len)
536.   {
537. >     static const unsigned char *salt[3] = {
538.   #ifndef CHARSET_EBCDIC
539.           (const unsigned char *)"A",

ssl/s3_enc.c:549:5: 
547.       };
548.       unsigned char buf[EVP_MAX_MD_SIZE];
549. >     EVP_MD_CTX *ctx = EVP_MD_CTX_new();
550.       int i, ret = 0;
551.       unsigned int n;

crypto/evp/digest.c:147:1: start of procedure EVP_MD_CTX_new()
  145.   }
  146.   
  147. > EVP_MD_CTX *EVP_MD_CTX_new(void)
  148.   {
  149.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));

crypto/evp/digest.c:149:5: 
  147.   EVP_MD_CTX *EVP_MD_CTX_new(void)
  148.   {
  149. >     return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  150.   }
  151.   

crypto/mem.c:146:1: start of procedure CRYPTO_zalloc()
    144.   }
    145.   
    146. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    147.   {
    148.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:148:5: 
    146.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    147.   {
    148. >     void *ret = CRYPTO_malloc(num, file, line);
    149.   
    150.       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 (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:123:9: Taking false branch
      121.       void *ret = NULL;
      122.   
      123.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      124.           return malloc_impl(num, file, line);
      125.   

crypto/mem.c:126:9: Taking false branch
      124.           return malloc_impl(num, file, line);
      125.   
      126.       if (num <= 0)
                     ^
      127.           return NULL;
      128.   

crypto/mem.c:129:5: 
      127.           return NULL;
      128.   
      129. >     allow_customize = 0;
      130.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      131.       if (call_malloc_debug) {

crypto/mem.c:139:5: 
      137.       }
      138.   #else
      139. >     osslargused(file); osslargused(line);
      140.       ret = malloc(num);
      141.   #endif

crypto/mem.c:139:24: 
      137.       }
      138.   #else
      139. >     osslargused(file); osslargused(line);
      140.       ret = malloc(num);
      141.   #endif

crypto/mem.c:140:5: 
      138.   #else
      139.       osslargused(file); osslargused(line);
      140. >     ret = malloc(num);
      141.   #endif
      142.   

crypto/mem.c:143:5: 
      141.   #endif
      142.   
      143. >     return ret;
      144.   }
      145.   

crypto/mem.c:144:1: return from a call to CRYPTO_malloc
      142.   
      143.       return ret;
      144. > }
      145.   
      146.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:150:9: Taking true branch
    148.       void *ret = CRYPTO_malloc(num, file, line);
    149.   
    150.       if (ret != NULL)
                   ^
    151.           memset(ret, 0, num);
    152.       return ret;

crypto/mem.c:151:9: 
    149.   
    150.       if (ret != NULL)
    151. >         memset(ret, 0, num);
    152.       return ret;
    153.   }

crypto/mem.c:152:5: 
    150.       if (ret != NULL)
    151.           memset(ret, 0, num);
    152. >     return ret;
    153.   }
    154.   

crypto/mem.c:153:1: return from a call to CRYPTO_zalloc
    151.           memset(ret, 0, num);
    152.       return ret;
    153. > }
    154.   
    155.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:150:1: return from a call to EVP_MD_CTX_new
  148.   {
  149.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  150. > }
  151.   
  152.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)

ssl/s3_enc.c:550:5: 
548.       unsigned char buf[EVP_MAX_MD_SIZE];
549.       EVP_MD_CTX *ctx = EVP_MD_CTX_new();
550. >     int i, ret = 0;
551.       unsigned int n;
552.   #ifdef OPENSSL_SSL_TRACE_CRYPTO

ssl/s3_enc.c:556:9: Taking false branch
554.   #endif
555.   
556.       if (ctx == NULL) {
               ^
557.           SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_MALLOC_FAILURE);
558.           return 0;

ssl/s3_enc.c:560:10: 
558.           return 0;
559.       }
560. >     for (i = 0; i < 3; i++) {
561.           if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
562.                   || EVP_DigestUpdate(ctx, salt[i],

ssl/s3_enc.c:560:17: Loop condition is true. Entering loop body
558.           return 0;
559.       }
560.       for (i = 0; i < 3; i++) {
                       ^
561.           if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
562.                   || EVP_DigestUpdate(ctx, salt[i],

ssl/s3_enc.c:561:13: Taking true branch
559.       }
560.       for (i = 0; i < 3; i++) {
561.           if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
                   ^
562.                   || EVP_DigestUpdate(ctx, salt[i],
563.                                       strlen((const char *)salt[i])) <= 0

ssl/s3_enc.c:575:13: Skipping ERR_put_error(): empty list of specs
573.                   || EVP_DigestUpdate(ctx, buf, n) <= 0
574.                   || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
575.               SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);
                   ^
576.               ret = 0;
577.               break;

ssl/s3_enc.c:576:13: 
574.                   || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
575.               SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);
576. >             ret = 0;
577.               break;
578.           }

ssl/s3_enc.c:582:5: 
580.           ret += n;
581.       }
582. >     EVP_MD_CTX_free(ctx);
583.   
584.   #ifdef OPENSSL_SSL_TRACE_CRYPTO

crypto/evp/digest.c:152:1: start of procedure EVP_MD_CTX_free()
  150.   }
  151.   
  152. > void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  153.   {
  154.       EVP_MD_CTX_reset(ctx);

crypto/evp/digest.c:154:5: Skipping EVP_MD_CTX_reset(): empty list of specs
  152.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  153.   {
  154.       EVP_MD_CTX_reset(ctx);
             ^
  155.       OPENSSL_free(ctx);
  156.   }

crypto/evp/digest.c:155:5: 
  153.   {
  154.       EVP_MD_CTX_reset(ctx);
  155. >     OPENSSL_free(ctx);
  156.   }
  157.   

crypto/mem.c:210:1: start of procedure CRYPTO_free()
    208.   }
    209.   
    210. > void CRYPTO_free(void *str, const char *file, int line)
    211.   {
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {

crypto/mem.c:212:9: Taking true branch
    210.   void CRYPTO_free(void *str, const char *file, int line)
    211.   {
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    213.           free_impl(str, file, line);
    214.           return;

crypto/mem.c:212:30: Taking true branch
    210.   void CRYPTO_free(void *str, const char *file, int line)
    211.   {
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    213.           free_impl(str, file, line);
    214.           return;

crypto/mem.c:213:9: Skipping __function_pointer__(): unresolved function pointer
    211.   {
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    213.           free_impl(str, file, line);
                   ^
    214.           return;
    215.       }

crypto/mem.c:214:9: 
    212.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    213.           free_impl(str, file, line);
    214. >         return;
    215.       }
    216.   

crypto/mem.c:228:1: return from a call to CRYPTO_free
    226.       free(str);
    227.   #endif
    228. > }
    229.   
    230.   void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:156:1: return from a call to EVP_MD_CTX_free
  154.       EVP_MD_CTX_reset(ctx);
  155.       OPENSSL_free(ctx);
  156. > }
  157.   
  158.   int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)

int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
                                int len)
{
    static const unsigned char *salt[3] = {
#ifndef CHARSET_EBCDIC
        (const unsigned char *)"A",
        (const unsigned char *)"BB",
        (const unsigned char *)"CCC",
#else
        (const unsigned char *)"\x41",
        (const unsigned char *)"\x42\x42",
        (const unsigned char *)"\x43\x43\x43",
#endif
    };
    unsigned char buf[EVP_MAX_MD_SIZE];
    EVP_MD_CTX *ctx = EVP_MD_CTX_new();
    int i, ret = 0;
    unsigned int n;
#ifdef OPENSSL_SSL_TRACE_CRYPTO
    unsigned char *tmpout = out;
#endif
    if (ctx == NULL) {
        SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_MALLOC_FAILURE);
        return 0;
    }
    for (i = 0; i < 3; i++) {
        if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
                || EVP_DigestUpdate(ctx, salt[i],
                                    strlen((const char *)salt[i])) <= 0
                || EVP_DigestUpdate(ctx, p, len) <= 0
                || EVP_DigestUpdate(ctx, &(s->s3->client_random[0]),
                                    SSL3_RANDOM_SIZE) <= 0
                || EVP_DigestUpdate(ctx, &(s->s3->server_random[0]),
                                    SSL3_RANDOM_SIZE) <= 0
                || EVP_DigestFinal_ex(ctx, buf, &n) <= 0
                || EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0
                || EVP_DigestUpdate(ctx, p, len) <= 0
                || EVP_DigestUpdate(ctx, buf, n) <= 0
                || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
            SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);
            ret = 0;
            break;
        }
        out += n;
        ret += n;
    }
    EVP_MD_CTX_free(ctx);
#ifdef OPENSSL_SSL_TRACE_CRYPTO
    if (ret > 0 && s->msg_callback) {
        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER,
                        p, len, s, s->msg_callback_arg);
        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM,
                        s->s3->client_random, SSL3_RANDOM_SIZE,
                        s, s->msg_callback_arg);
        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM,
                        s->s3->server_random, SSL3_RANDOM_SIZE,
                        s, s->msg_callback_arg);
        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER,
                        tmpout, SSL3_MASTER_SECRET_SIZE,
                        s, s->msg_callback_arg);
    }
#endif
    OPENSSL_cleanse(buf, sizeof(buf));
    return (ret);
}
['int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,\n                                int len)\n{\n    static const unsigned char *salt[3] = {\n#ifndef CHARSET_EBCDIC\n        (const unsigned char *)"A",\n        (const unsigned char *)"BB",\n        (const unsigned char *)"CCC",\n#else\n        (const unsigned char *)"\\x41",\n        (const unsigned char *)"\\x42\\x42",\n        (const unsigned char *)"\\x43\\x43\\x43",\n#endif\n    };\n    unsigned char buf[EVP_MAX_MD_SIZE];\n    EVP_MD_CTX *ctx = EVP_MD_CTX_new();\n    int i, ret = 0;\n    unsigned int n;\n#ifdef OPENSSL_SSL_TRACE_CRYPTO\n    unsigned char *tmpout = out;\n#endif\n    if (ctx == NULL) {\n        SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_MALLOC_FAILURE);\n        return 0;\n    }\n    for (i = 0; i < 3; i++) {\n        if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0\n                || EVP_DigestUpdate(ctx, salt[i],\n                                    strlen((const char *)salt[i])) <= 0\n                || EVP_DigestUpdate(ctx, p, len) <= 0\n                || EVP_DigestUpdate(ctx, &(s->s3->client_random[0]),\n                                    SSL3_RANDOM_SIZE) <= 0\n                || EVP_DigestUpdate(ctx, &(s->s3->server_random[0]),\n                                    SSL3_RANDOM_SIZE) <= 0\n                || EVP_DigestFinal_ex(ctx, buf, &n) <= 0\n                || EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0\n                || EVP_DigestUpdate(ctx, p, len) <= 0\n                || EVP_DigestUpdate(ctx, buf, n) <= 0\n                || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {\n            SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);\n            ret = 0;\n            break;\n        }\n        out += n;\n        ret += n;\n    }\n    EVP_MD_CTX_free(ctx);\n#ifdef OPENSSL_SSL_TRACE_CRYPTO\n    if (ret > 0 && s->msg_callback) {\n        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER,\n                        p, len, s, s->msg_callback_arg);\n        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM,\n                        s->s3->client_random, SSL3_RANDOM_SIZE,\n                        s, s->msg_callback_arg);\n        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM,\n                        s->s3->server_random, SSL3_RANDOM_SIZE,\n                        s, s->msg_callback_arg);\n        s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER,\n                        tmpout, SSL3_MASTER_SECRET_SIZE,\n                        s, s->msg_callback_arg);\n    }\n#endif\n    OPENSSL_cleanse(buf, sizeof(buf));\n    return (ret);\n}', 'EVP_MD_CTX *EVP_MD_CTX_new(void)\n{\n    return OPENSSL_zalloc(sizeof(EVP_MD_CTX));\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 (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)\n        return malloc_impl(num, file, line);\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    osslargused(file); osslargused(line);\n    ret = malloc(num);\n#endif\n    return ret;\n}', 'void EVP_MD_CTX_free(EVP_MD_CTX *ctx)\n{\n    EVP_MD_CTX_reset(ctx);\n    OPENSSL_free(ctx);\n}', 'void CRYPTO_free(void *str, const char *file, int line)\n{\n    if (free_impl != NULL && free_impl != &CRYPTO_free) {\n        free_impl(str, file, line);\n        return;\n    }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        CRYPTO_mem_debug_free(str, 0, file, line);\n        free(str);\n        CRYPTO_mem_debug_free(str, 1, file, line);\n    } else {\n        free(str);\n    }\n#else\n    free(str);\n#endif\n}']