ssl/tls13_enc.c:656: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 631, column 23 is not reachable after line 656, column 5.
Showing all 53 steps of the trace


ssl/tls13_enc.c:622:1: start of procedure tls13_export_keying_material()
620.   }
621.   
622. > int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen,
623.                                    const char *label, size_t llen,
624.                                    const unsigned char *context,

ssl/tls13_enc.c:628:5: 
626.   {
627.       unsigned char exportsecret[EVP_MAX_MD_SIZE];
628. >     static const unsigned char exporterlabel[] = "exporter";
629.       unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];
630.       const EVP_MD *md = ssl_handshake_md(s);

ssl/tls13_enc.c:630:5: 
628.       static const unsigned char exporterlabel[] = "exporter";
629.       unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];
630. >     const EVP_MD *md = ssl_handshake_md(s);
631.       EVP_MD_CTX *ctx = EVP_MD_CTX_new();
632.       unsigned int hashsize, datalen;

test/tls13secretstest.c:171:1: start of procedure ssl_handshake_md()
  169.   }
  170.   
  171. > const EVP_MD *ssl_handshake_md(SSL *s)
  172.   {
  173.       return EVP_sha256();

test/tls13secretstest.c:173:5: 
  171.   const EVP_MD *ssl_handshake_md(SSL *s)
  172.   {
  173. >     return EVP_sha256();
  174.   }
  175.   

crypto/evp/m_sha1.c:171:1: start of procedure EVP_sha256()
    169.   };
    170.   
    171. > const EVP_MD *EVP_sha256(void)
    172.   {
    173.       return (&sha256_md);

crypto/evp/m_sha1.c:173:5: 
    171.   const EVP_MD *EVP_sha256(void)
    172.   {
    173. >     return (&sha256_md);
    174.   }
    175.   

crypto/evp/m_sha1.c:174:1: return from a call to EVP_sha256
    172.   {
    173.       return (&sha256_md);
    174. > }
    175.   
    176.   static int init384(EVP_MD_CTX *ctx)

test/tls13secretstest.c:174:1: return from a call to ssl_handshake_md
  172.   {
  173.       return EVP_sha256();
  174. > }
  175.   
  176.   void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl)

ssl/tls13_enc.c:631:5: 
629.       unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];
630.       const EVP_MD *md = ssl_handshake_md(s);
631. >     EVP_MD_CTX *ctx = EVP_MD_CTX_new();
632.       unsigned int hashsize, datalen;
633.       int ret = 0;

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

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

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

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

crypto/mem.c:174:9: Taking false branch
      172.       void *ret = NULL;
      173.   
      174.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      175.           return malloc_impl(num, file, line);
      176.   

crypto/mem.c:177:9: Taking false branch
      175.           return malloc_impl(num, file, line);
      176.   
      177.       if (num == 0)
                     ^
      178.           return NULL;
      179.   

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

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

crypto/mem.c:191:19: 
      189.       }
      190.   #else
      191. >     (void)(file); (void)(line);
      192.       ret = malloc(num);
      193.   #endif

crypto/mem.c:192:5: 
      190.   #else
      191.       (void)(file); (void)(line);
      192. >     ret = malloc(num);
      193.   #endif
      194.   

crypto/mem.c:195:5: 
      193.   #endif
      194.   
      195. >     return ret;
      196.   }
      197.   

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

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

crypto/mem.c:204:9: 
    202.       FAILTEST();
    203.       if (ret != NULL)
    204. >         memset(ret, 0, num);
    205.       return ret;
    206.   }

crypto/mem.c:205:5: 
    203.       if (ret != NULL)
    204.           memset(ret, 0, num);
    205. >     return ret;
    206.   }
    207.   

crypto/mem.c:206:1: return from a call to CRYPTO_zalloc
    204.           memset(ret, 0, num);
    205.       return ret;
    206. > }
    207.   
    208.   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/tls13_enc.c:633:5: 
631.       EVP_MD_CTX *ctx = EVP_MD_CTX_new();
632.       unsigned int hashsize, datalen;
633. >     int ret = 0;
634.   
635.       if (ctx == NULL || !SSL_is_init_finished(s))

ssl/tls13_enc.c:635:9: Taking false branch
633.       int ret = 0;
634.   
635.       if (ctx == NULL || !SSL_is_init_finished(s))
               ^
636.           goto err;
637.   

ssl/tls13_enc.c:635:25: 
633.       int ret = 0;
634.   
635. >     if (ctx == NULL || !SSL_is_init_finished(s))
636.           goto err;
637.   

ssl/statem/statem.c:75:1: start of procedure SSL_is_init_finished()
  73.   }
  74.   
  75. > int SSL_is_init_finished(SSL *s)
  76.   {
  77.       return !(s->statem.in_init) && (s->statem.hand_state == TLS_ST_OK);

ssl/statem/statem.c:77:13: Condition is true
  75.   int SSL_is_init_finished(SSL *s)
  76.   {
  77.       return !(s->statem.in_init) && (s->statem.hand_state == TLS_ST_OK);
                    ^
  78.   }
  79.   

ssl/statem/statem.c:77:37: Condition is true
  75.   int SSL_is_init_finished(SSL *s)
  76.   {
  77.       return !(s->statem.in_init) && (s->statem.hand_state == TLS_ST_OK);
                                            ^
  78.   }
  79.   

ssl/statem/statem.c:77:12: 
  75.   int SSL_is_init_finished(SSL *s)
  76.   {
  77. >     return !(s->statem.in_init) && (s->statem.hand_state == TLS_ST_OK);
  78.   }
  79.   

ssl/statem/statem.c:77:5: 
  75.   int SSL_is_init_finished(SSL *s)
  76.   {
  77. >     return !(s->statem.in_init) && (s->statem.hand_state == TLS_ST_OK);
  78.   }
  79.   

ssl/statem/statem.c:78:1: return from a call to SSL_is_init_finished
  76.   {
  77.       return !(s->statem.in_init) && (s->statem.hand_state == TLS_ST_OK);
  78. > }
  79.   
  80.   int SSL_in_before(SSL *s)

ssl/tls13_enc.c:635:25: Taking false branch
633.       int ret = 0;
634.   
635.       if (ctx == NULL || !SSL_is_init_finished(s))
                               ^
636.           goto err;
637.   

ssl/tls13_enc.c:638:10: Taking false branch
636.           goto err;
637.   
638.       if (!use_context)
                ^
639.           contextlen = 0;
640.   

ssl/tls13_enc.c:641:9: Taking true branch
639.           contextlen = 0;
640.   
641.       if (EVP_DigestInit_ex(ctx, md, NULL) <= 0
               ^
642.               || EVP_DigestUpdate(ctx, context, contextlen) <= 0
643.               || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0

ssl/tls13_enc.c:655:2: 
653.   
654.       ret = 1;
655. >  err:
656.       EVP_MD_CTX_free(ctx);
657.       return ret;

ssl/tls13_enc.c:656:5: 
654.       ret = 1;
655.    err:
656. >     EVP_MD_CTX_free(ctx);
657.       return ret;
658.   }

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

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

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

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

crypto/mem.c:269:9: 
    267.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    268.           free_impl(str, file, line);
    269. >         return;
    270.       }
    271.   

crypto/mem.c:283:1: return from a call to CRYPTO_free
    281.       free(str);
    282.   #endif
    283. > }
    284.   
    285.   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 tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen,
                                 const char *label, size_t llen,
                                 const unsigned char *context,
                                 size_t contextlen, int use_context)
{
    unsigned char exportsecret[EVP_MAX_MD_SIZE];
    static const unsigned char exporterlabel[] = "exporter";
    unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];
    const EVP_MD *md = ssl_handshake_md(s);
    EVP_MD_CTX *ctx = EVP_MD_CTX_new();
    unsigned int hashsize, datalen;
    int ret = 0;
    if (ctx == NULL || !SSL_is_init_finished(s))
        goto err;
    if (!use_context)
        contextlen = 0;
    if (EVP_DigestInit_ex(ctx, md, NULL) <= 0
            || EVP_DigestUpdate(ctx, context, contextlen) <= 0
            || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0
            || EVP_DigestInit_ex(ctx, md, NULL) <= 0
            || EVP_DigestFinal_ex(ctx, data, &datalen) <= 0
            || !tls13_hkdf_expand(s, md, s->exporter_master_secret,
                                  (const unsigned char *)label, llen,
                                  data, datalen, exportsecret, hashsize)
            || !tls13_hkdf_expand(s, md, exportsecret, exporterlabel,
                                  sizeof(exporterlabel) - 1, hash, hashsize,
                                  out, olen))
        goto err;
    ret = 1;
 err:
    EVP_MD_CTX_free(ctx);
    return ret;
}
['int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen,\n                                 const char *label, size_t llen,\n                                 const unsigned char *context,\n                                 size_t contextlen, int use_context)\n{\n    unsigned char exportsecret[EVP_MAX_MD_SIZE];\n    static const unsigned char exporterlabel[] = "exporter";\n    unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];\n    const EVP_MD *md = ssl_handshake_md(s);\n    EVP_MD_CTX *ctx = EVP_MD_CTX_new();\n    unsigned int hashsize, datalen;\n    int ret = 0;\n    if (ctx == NULL || !SSL_is_init_finished(s))\n        goto err;\n    if (!use_context)\n        contextlen = 0;\n    if (EVP_DigestInit_ex(ctx, md, NULL) <= 0\n            || EVP_DigestUpdate(ctx, context, contextlen) <= 0\n            || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0\n            || EVP_DigestInit_ex(ctx, md, NULL) <= 0\n            || EVP_DigestFinal_ex(ctx, data, &datalen) <= 0\n            || !tls13_hkdf_expand(s, md, s->exporter_master_secret,\n                                  (const unsigned char *)label, llen,\n                                  data, datalen, exportsecret, hashsize)\n            || !tls13_hkdf_expand(s, md, exportsecret, exporterlabel,\n                                  sizeof(exporterlabel) - 1, hash, hashsize,\n                                  out, olen))\n        goto err;\n    ret = 1;\n err:\n    EVP_MD_CTX_free(ctx);\n    return ret;\n}', 'const EVP_MD *ssl_handshake_md(SSL *s)\n{\n    return EVP_sha256();\n}', 'const EVP_MD *EVP_sha256(void)\n{\n    return (&sha256_md);\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    (void)(file); (void)(line);\n    ret = malloc(num);\n#endif\n    return ret;\n}', 'int SSL_is_init_finished(SSL *s)\n{\n    return !(s->statem.in_init) && (s->statem.hand_state == TLS_ST_OK);\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}']