ssl/s3_enc.c:461: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 430, column 23 is not reachable after line 461, column 5.
Showing all 41 steps of the trace


ssl/s3_enc.c:415:1: start of procedure ssl3_generate_master_secret()
413.   }
414.   
415. > int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
416.                                   size_t len, size_t *secret_size)
417.   {

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

ssl/s3_enc.c:430:5: 
428.       };
429.       unsigned char buf[EVP_MAX_MD_SIZE];
430. >     EVP_MD_CTX *ctx = EVP_MD_CTX_new();
431.       int i, ret = 1;
432.       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:186:1: start of procedure CRYPTO_zalloc()
    184.   }
    185.   
    186. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    187.   {
    188.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:188:5: 
    186.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    187.   {
    188. >     void *ret = CRYPTO_malloc(num, file, line);
    189.   
    190.       FAILTEST();

crypto/mem.c:158:1: start of procedure CRYPTO_malloc()
      156.   #endif
      157.   
      158. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      159.   {
      160.       void *ret = NULL;

crypto/mem.c:160:5: 
      158.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      159.   {
      160. >     void *ret = NULL;
      161.   
      162.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)

crypto/mem.c:162:9: Taking false branch
      160.       void *ret = NULL;
      161.   
      162.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      163.           return malloc_impl(num, file, line);
      164.   

crypto/mem.c:165:9: Taking false branch
      163.           return malloc_impl(num, file, line);
      164.   
      165.       if (num == 0)
                     ^
      166.           return NULL;
      167.   

crypto/mem.c:169:5: 
      167.   
      168.       FAILTEST();
      169. >     allow_customize = 0;
      170.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
      171.       if (call_malloc_debug) {

crypto/mem.c:179:5: 
      177.       }
      178.   #else
      179. >     osslargused(file); osslargused(line);
      180.       ret = malloc(num);
      181.   #endif

crypto/mem.c:179:24: 
      177.       }
      178.   #else
      179. >     osslargused(file); osslargused(line);
      180.       ret = malloc(num);
      181.   #endif

crypto/mem.c:180:5: 
      178.   #else
      179.       osslargused(file); osslargused(line);
      180. >     ret = malloc(num);
      181.   #endif
      182.   

crypto/mem.c:183:5: 
      181.   #endif
      182.   
      183. >     return ret;
      184.   }
      185.   

crypto/mem.c:184:1: return from a call to CRYPTO_malloc
      182.   
      183.       return ret;
      184. > }
      185.   
      186.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:191:9: Taking true branch
    189.   
    190.       FAILTEST();
    191.       if (ret != NULL)
                   ^
    192.           memset(ret, 0, num);
    193.       return ret;

crypto/mem.c:192:9: 
    190.       FAILTEST();
    191.       if (ret != NULL)
    192. >         memset(ret, 0, num);
    193.       return ret;
    194.   }

crypto/mem.c:193:5: 
    191.       if (ret != NULL)
    192.           memset(ret, 0, num);
    193. >     return ret;
    194.   }
    195.   

crypto/mem.c:194:1: return from a call to CRYPTO_zalloc
    192.           memset(ret, 0, num);
    193.       return ret;
    194. > }
    195.   
    196.   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:431:5: 
429.       unsigned char buf[EVP_MAX_MD_SIZE];
430.       EVP_MD_CTX *ctx = EVP_MD_CTX_new();
431. >     int i, ret = 1;
432.       unsigned int n;
433.       size_t ret_secret_size = 0;

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

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

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

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

ssl/s3_enc.c:440:13: Taking true branch
438.       }
439.       for (i = 0; i < 3; i++) {
440.           if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
                   ^
441.               || EVP_DigestUpdate(ctx, salt[i],
442.                                   strlen((const char *)salt[i])) <= 0

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

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

ssl/s3_enc.c:461:5: 
459.           ret_secret_size += n;
460.       }
461. >     EVP_MD_CTX_free(ctx);
462.   
463.       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:253:1: start of procedure CRYPTO_free()
    251.   }
    252.   
    253. > void CRYPTO_free(void *str, const char *file, int line)
    254.   {
    255.       if (free_impl != NULL && free_impl != &CRYPTO_free) {

crypto/mem.c:255:9: Taking true branch
    253.   void CRYPTO_free(void *str, const char *file, int line)
    254.   {
    255.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    256.           free_impl(str, file, line);
    257.           return;

crypto/mem.c:255:30: Taking true branch
    253.   void CRYPTO_free(void *str, const char *file, int line)
    254.   {
    255.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    256.           free_impl(str, file, line);
    257.           return;

crypto/mem.c:256:9: Skipping __function_pointer__(): unresolved function pointer
    254.   {
    255.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    256.           free_impl(str, file, line);
                   ^
    257.           return;
    258.       }

crypto/mem.c:257:9: 
    255.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    256.           free_impl(str, file, line);
    257. >         return;
    258.       }
    259.   

crypto/mem.c:271:1: return from a call to CRYPTO_free
    269.       free(str);
    270.   #endif
    271. > }
    272.   
    273.   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}']