ssl/tls13_enc.c:705: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 680, column 23 is not reachable after line 705, column 5.
Showing all 56 steps of the trace


ssl/tls13_enc.c:671:1: start of procedure tls13_export_keying_material()
669.   }
670.   
671. > int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen,
672.                                    const char *label, size_t llen,
673.                                    const unsigned char *context,

ssl/tls13_enc.c:677:5: 
675.   {
676.       unsigned char exportsecret[EVP_MAX_MD_SIZE];
677. >     static const unsigned char exporterlabel[] = "exporter";
678.       unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];
679.       const EVP_MD *md = ssl_handshake_md(s);

ssl/tls13_enc.c:679:5: 
677.       static const unsigned char exporterlabel[] = "exporter";
678.       unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];
679. >     const EVP_MD *md = ssl_handshake_md(s);
680.       EVP_MD_CTX *ctx = EVP_MD_CTX_new();
681.       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:177:1: start of procedure EVP_sha256()
    175.   };
    176.   
    177. > const EVP_MD *EVP_sha256(void)
    178.   {
    179.       return &sha256_md;

crypto/evp/m_sha1.c:179:5: 
    177.   const EVP_MD *EVP_sha256(void)
    178.   {
    179. >     return &sha256_md;
    180.   }
    181.   

crypto/evp/m_sha1.c:180:1: return from a call to EVP_sha256
    178.   {
    179.       return &sha256_md;
    180. > }
    181.   
    182.   static int init512_224(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:680:5: 
678.       unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];
679.       const EVP_MD *md = ssl_handshake_md(s);
680. >     EVP_MD_CTX *ctx = EVP_MD_CTX_new();
681.       unsigned int hashsize, datalen;
682.       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:228:1: start of procedure CRYPTO_zalloc()
    226.   }
    227.   
    228. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
    229.   {
    230.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:230:5: 
    228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
    229.   {
    230. >     void *ret = CRYPTO_malloc(num, file, line);
    231.   
    232.       FAILTEST();

crypto/mem.c:192:1: start of procedure CRYPTO_malloc()
      190.   #endif
      191.   
      192. > void *CRYPTO_malloc(size_t num, const char *file, int line)
      193.   {
      194.       void *ret = NULL;

crypto/mem.c:194:5: 
      192.   void *CRYPTO_malloc(size_t num, const char *file, int line)
      193.   {
      194. >     void *ret = NULL;
      195.   
      196.       INCREMENT(malloc_count);

crypto/mem.c:197:9: Taking false branch
      195.   
      196.       INCREMENT(malloc_count);
      197.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
                     ^
      198.           return malloc_impl(num, file, line);
      199.   

crypto/mem.c:200:9: Taking false branch
      198.           return malloc_impl(num, file, line);
      199.   
      200.       if (num == 0)
                     ^
      201.           return NULL;
      202.   

crypto/mem.c:204:9: Taking true branch
      202.   
      203.       FAILTEST();
      204.       if (allow_customize) {
                     ^
      205.           /*
      206.            * Disallow customization after the first allocation. We only set this

crypto/mem.c:210:9: 
      208.            * allocation.
      209.            */
      210. >         allow_customize = 0;
      211.       }
      212.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG

crypto/mem.c:221:5: 
      219.       }
      220.   #else
      221. >     (void)(file); (void)(line);
      222.       ret = malloc(num);
      223.   #endif

crypto/mem.c:221:19: 
      219.       }
      220.   #else
      221. >     (void)(file); (void)(line);
      222.       ret = malloc(num);
      223.   #endif

crypto/mem.c:222:5: 
      220.   #else
      221.       (void)(file); (void)(line);
      222. >     ret = malloc(num);
      223.   #endif
      224.   

crypto/mem.c:225:5: 
      223.   #endif
      224.   
      225. >     return ret;
      226.   }
      227.   

crypto/mem.c:226:1: return from a call to CRYPTO_malloc
      224.   
      225.       return ret;
      226. > }
      227.   
      228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:233:9: Taking true branch
    231.   
    232.       FAILTEST();
    233.       if (ret != NULL)
                   ^
    234.           memset(ret, 0, num);
    235.       return ret;

crypto/mem.c:234:9: 
    232.       FAILTEST();
    233.       if (ret != NULL)
    234. >         memset(ret, 0, num);
    235.       return ret;
    236.   }

crypto/mem.c:235:5: 
    233.       if (ret != NULL)
    234.           memset(ret, 0, num);
    235. >     return ret;
    236.   }
    237.   

crypto/mem.c:236:1: return from a call to CRYPTO_zalloc
    234.           memset(ret, 0, num);
    235.       return ret;
    236. > }
    237.   
    238.   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:682:5: 
680.       EVP_MD_CTX *ctx = EVP_MD_CTX_new();
681.       unsigned int hashsize, datalen;
682. >     int ret = 0;
683.   
684.       if (ctx == NULL || !ossl_statem_export_allowed(s))

ssl/tls13_enc.c:684:9: Taking false branch
682.       int ret = 0;
683.   
684.       if (ctx == NULL || !ossl_statem_export_allowed(s))
               ^
685.           goto err;
686.   

ssl/tls13_enc.c:684:25: 
682.       int ret = 0;
683.   
684. >     if (ctx == NULL || !ossl_statem_export_allowed(s))
685.           goto err;
686.   

test/tls13secretstest.c:215:1: start of procedure ossl_statem_export_allowed()
  213.   }
  214.   
  215. > int ossl_statem_export_allowed(SSL *s)
  216.   {
  217.       return 1;

test/tls13secretstest.c:217:5: 
  215.   int ossl_statem_export_allowed(SSL *s)
  216.   {
  217. >     return 1;
  218.   }
  219.   

test/tls13secretstest.c:218:1: return from a call to ossl_statem_export_allowed
  216.   {
  217.       return 1;
  218. > }
  219.   
  220.   int ossl_statem_export_early_allowed(SSL *s)

ssl/tls13_enc.c:684:25: Taking false branch
682.       int ret = 0;
683.   
684.       if (ctx == NULL || !ossl_statem_export_allowed(s))
                               ^
685.           goto err;
686.   

ssl/tls13_enc.c:687:10: Taking false branch
685.           goto err;
686.   
687.       if (!use_context)
                ^
688.           contextlen = 0;
689.   

ssl/tls13_enc.c:690:9: Taking false branch
688.           contextlen = 0;
689.   
690.       if (EVP_DigestInit_ex(ctx, md, NULL) <= 0
               ^
691.               || EVP_DigestUpdate(ctx, context, contextlen) <= 0
692.               || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0

ssl/tls13_enc.c:691:16: 
689.   
690.       if (EVP_DigestInit_ex(ctx, md, NULL) <= 0
691. >             || EVP_DigestUpdate(ctx, context, contextlen) <= 0
692.               || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0
693.               || EVP_DigestInit_ex(ctx, md, NULL) <= 0

crypto/evp/digest.c:146:1: start of procedure EVP_DigestUpdate()
  144.   }
  145.   
  146. > int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
  147.   {
  148.       return ctx->update(ctx, data, count);

crypto/evp/digest.c:148:5: Skipping __function_pointer__(): unresolved function pointer
  146.   int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
  147.   {
  148.       return ctx->update(ctx, data, count);
             ^
  149.   }
  150.   

crypto/evp/digest.c:149:1: return from a call to EVP_DigestUpdate
  147.   {
  148.       return ctx->update(ctx, data, count);
  149. > }
  150.   
  151.   /* The caller can assume that this removes any secret data from the context */

ssl/tls13_enc.c:691:16: Taking true branch
689.   
690.       if (EVP_DigestInit_ex(ctx, md, NULL) <= 0
691.               || EVP_DigestUpdate(ctx, context, contextlen) <= 0
                      ^
692.               || EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0
693.               || EVP_DigestInit_ex(ctx, md, NULL) <= 0

ssl/tls13_enc.c:704:2: 
702.   
703.       ret = 1;
704. >  err:
705.       EVP_MD_CTX_free(ctx);
706.       return ret;

ssl/tls13_enc.c:705:5: 
703.       ret = 1;
704.    err:
705. >     EVP_MD_CTX_free(ctx);
706.       return ret;
707.   }

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:295:1: start of procedure CRYPTO_free()
    293.   }
    294.   
    295. > void CRYPTO_free(void *str, const char *file, int line)
    296.   {
    297.       INCREMENT(free_count);

crypto/mem.c:298:9: Taking true branch
    296.   {
    297.       INCREMENT(free_count);
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                   ^
    299.           free_impl(str, file, line);
    300.           return;

crypto/mem.c:298:30: Taking true branch
    296.   {
    297.       INCREMENT(free_count);
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
                                        ^
    299.           free_impl(str, file, line);
    300.           return;

crypto/mem.c:299:9: Skipping __function_pointer__(): unresolved function pointer
    297.       INCREMENT(free_count);
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    299.           free_impl(str, file, line);
                   ^
    300.           return;
    301.       }

crypto/mem.c:300:9: 
    298.       if (free_impl != NULL && free_impl != &CRYPTO_free) {
    299.           free_impl(str, file, line);
    300. >         return;
    301.       }
    302.   

crypto/mem.c:314:1: return from a call to CRYPTO_free
    312.       free(str);
    313.   #endif
    314. > }
    315.   
    316.   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 || !ossl_statem_export_allowed(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 || !ossl_statem_export_allowed(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    INCREMENT(malloc_count);\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    if (allow_customize) {\n        allow_customize = 0;\n    }\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 ossl_statem_export_allowed(SSL *s)\n{\n    return 1;\n}', 'int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)\n{\n    return ctx->update(ctx, data, count);\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    INCREMENT(free_count);\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}']