ssl/s3_enc.c:462: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 431, column 23 is not reachable after line 462, column 5.
Showing all 41 steps of the trace


ssl/s3_enc.c:416:1: start of procedure ssl3_generate_master_secret()
414.   }
415.   
416. > int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
417.                                   size_t len, size_t *secret_size)
418.   {

ssl/s3_enc.c:419:5: 
417.                                   size_t len, size_t *secret_size)
418.   {
419. >     static const unsigned char *salt[3] = {
420.   #ifndef CHARSET_EBCDIC
421.           (const unsigned char *)"A",

ssl/s3_enc.c:431:5: 
429.       };
430.       unsigned char buf[EVP_MAX_MD_SIZE];
431. >     EVP_MD_CTX *ctx = EVP_MD_CTX_new();
432.       int i, ret = 1;
433.       unsigned int n;

crypto/evp/digest.c:44:1: start of procedure EVP_MD_CTX_new()
  42.   }
  43.   
  44. > EVP_MD_CTX *EVP_MD_CTX_new(void)
  45.   {
  46.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));

crypto/evp/digest.c:46:5: 
  44.   EVP_MD_CTX *EVP_MD_CTX_new(void)
  45.   {
  46. >     return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  47.   }
  48.   

crypto/mem.c:197:1: start of procedure CRYPTO_zalloc()
    195.   }
    196.   
    197. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    198.   {
    199.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:199:5: 
    197.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    198.   {
    199. >     void *ret = CRYPTO_malloc(num, file, line);
    200.   
    201.       FAILTEST();

crypto/mem.c:169:1: start of procedure CRYPTO_malloc()
      167.   #endif
      168.   
      169. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      170.   {
      171.       void *ret = NULL;

crypto/mem.c:171:5: 
      169.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      170.   {
      171. >     void *ret = NULL;
      172.   
      173.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:173:9: Taking false branch
      171.       void *ret = NULL;
      172.   
      173.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      174.           return malloc_impl(num, file, line);
      175.   

crypto/mem.c:176:9: Taking false branch
      174.           return malloc_impl(num, file, line);
      175.   
      176.       if (num == 0)
                     ^
      177.           return NULL;
      178.   

crypto/mem.c:180:5: 
      178.   
      179.       FAILTEST();
      180. >     allow_customize = 0;
      181.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      182.       if (call_malloc_debug) {

crypto/mem.c:190:5: 
      188.       }
      189.   #else
      190. >     osslargused(file); osslargused(line);
      191.       ret = malloc(num);
      192.   #endif

crypto/mem.c:190:24: 
      188.       }
      189.   #else
      190. >     osslargused(file); osslargused(line);
      191.       ret = malloc(num);
      192.   #endif

crypto/mem.c:191:5: 
      189.   #else
      190.       osslargused(file); osslargused(line);
      191. >     ret = malloc(num);
      192.   #endif
      193.   

crypto/mem.c:194:5: 
      192.   #endif
      193.   
      194. >     return ret;
      195.   }
      196.   

crypto/mem.c:195:1: return from a call to CRYPTO_malloc
      193.   
      194.       return ret;
      195. > }
      196.   
      197.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:202:9: Taking true branch
    200.   
    201.       FAILTEST();
    202.       if (ret != NULL)
                   ^
    203.           memset(ret, 0, num);
    204.       return ret;

crypto/mem.c:203:9: 
    201.       FAILTEST();
    202.       if (ret != NULL)
    203. >         memset(ret, 0, num);
    204.       return ret;
    205.   }

crypto/mem.c:204:5: 
    202.       if (ret != NULL)
    203.           memset(ret, 0, num);
    204. >     return ret;
    205.   }
    206.   

crypto/mem.c:205:1: return from a call to CRYPTO_zalloc
    203.           memset(ret, 0, num);
    204.       return ret;
    205. > }
    206.   
    207.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:47:1: return from a call to EVP_MD_CTX_new
  45.   {
  46.       return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
  47. > }
  48.   
  49.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)

ssl/s3_enc.c:432:5: 
430.       unsigned char buf[EVP_MAX_MD_SIZE];
431.       EVP_MD_CTX *ctx = EVP_MD_CTX_new();
432. >     int i, ret = 1;
433.       unsigned int n;
434.       size_t ret_secret_size = 0;

ssl/s3_enc.c:434:5: 
432.       int i, ret = 1;
433.       unsigned int n;
434. >     size_t ret_secret_size = 0;
435.   
436.       if (ctx == NULL) {

ssl/s3_enc.c:436:9: Taking false branch
434.       size_t ret_secret_size = 0;
435.   
436.       if (ctx == NULL) {
               ^
437.           SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_MALLOC_FAILURE);
438.           return 0;

ssl/s3_enc.c:440:10: 
438.           return 0;
439.       }
440. >     for (i = 0; i < 3; i++) {
441.           if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
442.               || EVP_DigestUpdate(ctx, salt[i],

ssl/s3_enc.c:440:17: Loop condition is true. Entering loop body
438.           return 0;
439.       }
440.       for (i = 0; i < 3; i++) {
                       ^
441.           if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
442.               || EVP_DigestUpdate(ctx, salt[i],

ssl/s3_enc.c:441:13: Taking true branch
439.       }
440.       for (i = 0; i < 3; i++) {
441.           if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
                   ^
442.               || EVP_DigestUpdate(ctx, salt[i],
443.                                   strlen((const char *)salt[i])) <= 0

ssl/s3_enc.c:455:13: Skipping ERR_put_error(): empty list of specs
453.               || EVP_DigestUpdate(ctx, buf, n) <= 0
454.               || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
455.               SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);
                   ^
456.               ret = 0;
457.               break;

ssl/s3_enc.c:456:13: 
454.               || EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
455.               SSLerr(SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);
456. >             ret = 0;
457.               break;
458.           }

ssl/s3_enc.c:462:5: 
460.           ret_secret_size += n;
461.       }
462. >     EVP_MD_CTX_free(ctx);
463.   
464.       OPENSSL_cleanse(buf, sizeof(buf));

crypto/evp/digest.c:49:1: start of procedure EVP_MD_CTX_free()
  47.   }
  48.   
  49. > void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  50.   {
  51.       EVP_MD_CTX_reset(ctx);

crypto/evp/digest.c:51:5: Skipping EVP_MD_CTX_reset(): empty list of specs
  49.   void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
  50.   {
  51.       EVP_MD_CTX_reset(ctx);
            ^
  52.       OPENSSL_free(ctx);
  53.   }

crypto/evp/digest.c:52:5: 
  50.   {
  51.       EVP_MD_CTX_reset(ctx);
  52. >     OPENSSL_free(ctx);
  53.   }
  54.   

crypto/mem.c:264:1: start of procedure CRYPTO_free()
    262.   }
    263.   
    264. > void CRYPTO_free(void *str, const char *file, int line)
    265.   {
    266.       if (free_impl != NULL && free_impl != &CRYPTO_free) {

crypto/mem.c:266:9: Taking true branch
    264.   void CRYPTO_free(void *str, const char *file, int line)
    265.   {
    266.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    267.           free_impl(str, file, line);
    268.           return;

crypto/mem.c:266:30: Taking true branch
    264.   void CRYPTO_free(void *str, const char *file, int line)
    265.   {
    266.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    267.           free_impl(str, file, line);
    268.           return;

crypto/mem.c:267:9: Skipping __function_pointer__(): unresolved function pointer
    265.   {
    266.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    267.           free_impl(str, file, line);
                   ^
    268.           return;
    269.       }

crypto/mem.c:268:9: 
    266.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    267.           free_impl(str, file, line);
    268. >         return;
    269.       }
    270.   

crypto/mem.c:282:1: return from a call to CRYPTO_free
    280.       free(str);
    281.   #endif
    282. > }
    283.   
    284.   void CRYPTO_clear_free(void *str, size_t num, const char *file, int line)

crypto/evp/digest.c:53:1: return from a call to EVP_MD_CTX_free
  51.       EVP_MD_CTX_reset(ctx);
  52.       OPENSSL_free(ctx);
  53. > }
  54.   
  55.   int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)

int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
                                size_t len, size_t *secret_size)
{
    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 = 1;
    unsigned int n;
    size_t ret_secret_size = 0;
    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_secret_size += n;
    }
    EVP_MD_CTX_free(ctx);
    OPENSSL_cleanse(buf, sizeof(buf));
    if (ret)
        *secret_size = ret_secret_size;
    return ret;
}
['int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,\n                                size_t len, size_t *secret_size)\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 = 1;\n    unsigned int n;\n    size_t ret_secret_size = 0;\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_secret_size += n;\n    }\n    EVP_MD_CTX_free(ctx);\n    OPENSSL_cleanse(buf, sizeof(buf));\n    if (ret)\n        *secret_size = ret_secret_size;\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    FAILTEST();\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    FAILTEST();\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}']