crypto/evp/m_sigver.c:188: error: MEMORY_LEAK
  memory dynamically allocated by call to `EVP_MD_CTX_new()` at line 184, column 31 is not reachable after line 188, column 13.
Showing all 62 steps of the trace


crypto/evp/m_sigver.c:166:1: start of procedure EVP_DigestVerifyFinal()
164.   }
165.   
166. > int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
167.                             size_t siglen)
168.   {

crypto/evp/m_sigver.c:170:5: 
168.   {
169.       unsigned char md[EVP_MAX_MD_SIZE];
170. >     int r = 0;
171.       unsigned int mdlen = 0;
172.       int vctx = 0;

crypto/evp/m_sigver.c:171:5: 
169.       unsigned char md[EVP_MAX_MD_SIZE];
170.       int r = 0;
171. >     unsigned int mdlen = 0;
172.       int vctx = 0;
173.   

crypto/evp/m_sigver.c:172:5: 
170.       int r = 0;
171.       unsigned int mdlen = 0;
172. >     int vctx = 0;
173.   
174.       if (ctx->pctx->pmeth->verifyctx)

crypto/evp/m_sigver.c:174:9: Taking true branch
172.       int vctx = 0;
173.   
174.       if (ctx->pctx->pmeth->verifyctx)
               ^
175.           vctx = 1;
176.       else

crypto/evp/m_sigver.c:175:9: 
173.   
174.       if (ctx->pctx->pmeth->verifyctx)
175. >         vctx = 1;
176.       else
177.           vctx = 0;

crypto/evp/m_sigver.c:178:9: Taking false branch
176.       else
177.           vctx = 0;
178.       if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {
               ^
179.           if (vctx) {
180.               r = ctx->pctx->pmeth->verifyctx(ctx->pctx, sig, siglen, ctx);

crypto/evp/m_sigver.c:184:9: 
182.               r = EVP_DigestFinal_ex(ctx, md, &mdlen);
183.       } else {
184. >         EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
185.           if (tmp_ctx == NULL)
186.               return -1;

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. >     (void)(file); (void)(line);
      191.       ret = malloc(num);
      192.   #endif

crypto/mem.c:190:19: 
      188.       }
      189.   #else
      190. >     (void)(file); (void)(line);
      191.       ret = malloc(num);
      192.   #endif

crypto/mem.c:191:5: 
      189.   #else
      190.       (void)(file); (void)(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)

crypto/evp/m_sigver.c:185:13: Taking false branch
183.       } else {
184.           EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
185.           if (tmp_ctx == NULL)
                   ^
186.               return -1;
187.           if (!EVP_MD_CTX_copy_ex(tmp_ctx, ctx)) {

crypto/evp/m_sigver.c:187:14: 
185.           if (tmp_ctx == NULL)
186.               return -1;
187. >         if (!EVP_MD_CTX_copy_ex(tmp_ctx, ctx)) {
188.               EVP_MD_CTX_free(tmp_ctx);
189.               return -1;

crypto/evp/digest.c:204:1: start of procedure EVP_MD_CTX_copy_ex()
  202.   }
  203.   
  204. > int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in)
  205.   {
  206.       unsigned char *tmp_buf;

crypto/evp/digest.c:207:10: Taking false branch
  205.   {
  206.       unsigned char *tmp_buf;
  207.       if ((in == NULL) || (in->digest == NULL)) {
                  ^
  208.           EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, EVP_R_INPUT_NOT_INITIALIZED);
  209.           return 0;

crypto/evp/digest.c:207:26: Taking false branch
  205.   {
  206.       unsigned char *tmp_buf;
  207.       if ((in == NULL) || (in->digest == NULL)) {
                                  ^
  208.           EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, EVP_R_INPUT_NOT_INITIALIZED);
  209.           return 0;

crypto/evp/digest.c:213:9: Taking true branch
  211.   #ifndef OPENSSL_NO_ENGINE
  212.       /* Make sure it's safe to copy a digest context using an ENGINE */
  213.       if (in->engine && !ENGINE_init(in->engine)) {
                 ^
  214.           EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_ENGINE_LIB);
  215.           return 0;

crypto/evp/digest.c:213:24: 
  211.   #ifndef OPENSSL_NO_ENGINE
  212.       /* Make sure it's safe to copy a digest context using an ENGINE */
  213. >     if (in->engine && !ENGINE_init(in->engine)) {
  214.           EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_ENGINE_LIB);
  215.           return 0;

crypto/engine/eng_init.c:76:1: start of procedure ENGINE_init()
    74.   
    75.   /* The API (locked) version of "init" */
    76. > int ENGINE_init(ENGINE *e)
    77.   {
    78.       int ret;

crypto/engine/eng_init.c:79:9: Taking false branch
    77.   {
    78.       int ret;
    79.       if (e == NULL) {
                  ^
    80.           ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_PASSED_NULL_PARAMETER);
    81.           return 0;

crypto/engine/eng_init.c:83:10: 
    81.           return 0;
    82.       }
    83. >     if (!RUN_ONCE(&engine_lock_init, do_engine_lock_init)) {
    84.           ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_MALLOC_FAILURE);
    85.           return 0;

crypto/threads_pthread.c:105:1: start of procedure CRYPTO_THREAD_run_once()
      103.   }
      104.   
      105. > int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
      106.   {
      107.       if (pthread_once(once, init) != 0)

crypto/threads_pthread.c:107:9: Taking true branch
      105.   int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
      106.   {
      107.       if (pthread_once(once, init) != 0)
                     ^
      108.           return 0;
      109.   

crypto/threads_pthread.c:108:9: 
      106.   {
      107.       if (pthread_once(once, init) != 0)
      108. >         return 0;
      109.   
      110.       return 1;

crypto/threads_pthread.c:111:1: return from a call to CRYPTO_THREAD_run_once
      109.   
      110.       return 1;
      111. > }
      112.   
      113.   int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *))

crypto/engine/eng_init.c:83:10: Condition is false
    81.           return 0;
    82.       }
    83.       if (!RUN_ONCE(&engine_lock_init, do_engine_lock_init)) {
                   ^
    84.           ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_MALLOC_FAILURE);
    85.           return 0;

crypto/engine/eng_init.c:83:10: Taking true branch
    81.           return 0;
    82.       }
    83.       if (!RUN_ONCE(&engine_lock_init, do_engine_lock_init)) {
                   ^
    84.           ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_MALLOC_FAILURE);
    85.           return 0;

crypto/engine/eng_init.c:84:9: Skipping ERR_put_error(): empty list of specs
    82.       }
    83.       if (!RUN_ONCE(&engine_lock_init, do_engine_lock_init)) {
    84.           ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_MALLOC_FAILURE);
                  ^
    85.           return 0;
    86.       }

crypto/engine/eng_init.c:85:9: 
    83.       if (!RUN_ONCE(&engine_lock_init, do_engine_lock_init)) {
    84.           ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_MALLOC_FAILURE);
    85. >         return 0;
    86.       }
    87.       CRYPTO_THREAD_write_lock(global_engine_lock);

crypto/engine/eng_init.c:91:1: return from a call to ENGINE_init
    89.       CRYPTO_THREAD_unlock(global_engine_lock);
    90.       return ret;
    91. > }
    92.   
    93.   /* The API (locked) version of "finish" */

crypto/evp/digest.c:213:24: Taking true branch
  211.   #ifndef OPENSSL_NO_ENGINE
  212.       /* Make sure it's safe to copy a digest context using an ENGINE */
  213.       if (in->engine && !ENGINE_init(in->engine)) {
                                ^
  214.           EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_ENGINE_LIB);
  215.           return 0;

crypto/evp/digest.c:214:9: Skipping ERR_put_error(): empty list of specs
  212.       /* Make sure it's safe to copy a digest context using an ENGINE */
  213.       if (in->engine && !ENGINE_init(in->engine)) {
  214.           EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_ENGINE_LIB);
                 ^
  215.           return 0;
  216.       }

crypto/evp/digest.c:215:9: 
  213.       if (in->engine && !ENGINE_init(in->engine)) {
  214.           EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_ENGINE_LIB);
  215. >         return 0;
  216.       }
  217.   #endif

crypto/evp/digest.c:261:1: return from a call to EVP_MD_CTX_copy_ex
  259.   
  260.       return 1;
  261. > }
  262.   
  263.   int EVP_Digest(const void *data, size_t count,

crypto/evp/m_sigver.c:187:14: Taking true branch
185.           if (tmp_ctx == NULL)
186.               return -1;
187.           if (!EVP_MD_CTX_copy_ex(tmp_ctx, ctx)) {
                    ^
188.               EVP_MD_CTX_free(tmp_ctx);
189.               return -1;

crypto/evp/m_sigver.c:188:13: 
186.               return -1;
187.           if (!EVP_MD_CTX_copy_ex(tmp_ctx, ctx)) {
188. >             EVP_MD_CTX_free(tmp_ctx);
189.               return -1;
190.           }

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 EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
                          size_t siglen)
{
    unsigned char md[EVP_MAX_MD_SIZE];
    int r = 0;
    unsigned int mdlen = 0;
    int vctx = 0;
    if (ctx->pctx->pmeth->verifyctx)
        vctx = 1;
    else
        vctx = 0;
    if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {
        if (vctx) {
            r = ctx->pctx->pmeth->verifyctx(ctx->pctx, sig, siglen, ctx);
        } else
            r = EVP_DigestFinal_ex(ctx, md, &mdlen);
    } else {
        EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
        if (tmp_ctx == NULL)
            return -1;
        if (!EVP_MD_CTX_copy_ex(tmp_ctx, ctx)) {
            EVP_MD_CTX_free(tmp_ctx);
            return -1;
        }
        if (vctx) {
            r = tmp_ctx->pctx->pmeth->verifyctx(tmp_ctx->pctx,
                                                sig, siglen, tmp_ctx);
        } else
            r = EVP_DigestFinal_ex(tmp_ctx, md, &mdlen);
        EVP_MD_CTX_free(tmp_ctx);
    }
    if (vctx || !r)
        return r;
    return EVP_PKEY_verify(ctx->pctx, sig, siglen, md, mdlen);
}
['int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,\n                          size_t siglen)\n{\n    unsigned char md[EVP_MAX_MD_SIZE];\n    int r = 0;\n    unsigned int mdlen = 0;\n    int vctx = 0;\n    if (ctx->pctx->pmeth->verifyctx)\n        vctx = 1;\n    else\n        vctx = 0;\n    if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {\n        if (vctx) {\n            r = ctx->pctx->pmeth->verifyctx(ctx->pctx, sig, siglen, ctx);\n        } else\n            r = EVP_DigestFinal_ex(ctx, md, &mdlen);\n    } else {\n        EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();\n        if (tmp_ctx == NULL)\n            return -1;\n        if (!EVP_MD_CTX_copy_ex(tmp_ctx, ctx)) {\n            EVP_MD_CTX_free(tmp_ctx);\n            return -1;\n        }\n        if (vctx) {\n            r = tmp_ctx->pctx->pmeth->verifyctx(tmp_ctx->pctx,\n                                                sig, siglen, tmp_ctx);\n        } else\n            r = EVP_DigestFinal_ex(tmp_ctx, md, &mdlen);\n        EVP_MD_CTX_free(tmp_ctx);\n    }\n    if (vctx || !r)\n        return r;\n    return EVP_PKEY_verify(ctx->pctx, sig, siglen, md, mdlen);\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 EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in)\n{\n    unsigned char *tmp_buf;\n    if ((in == NULL) || (in->digest == NULL)) {\n        EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, EVP_R_INPUT_NOT_INITIALIZED);\n        return 0;\n    }\n#ifndef OPENSSL_NO_ENGINE\n    if (in->engine && !ENGINE_init(in->engine)) {\n        EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_ENGINE_LIB);\n        return 0;\n    }\n#endif\n    if (out->digest == in->digest) {\n        tmp_buf = out->md_data;\n        EVP_MD_CTX_set_flags(out, EVP_MD_CTX_FLAG_REUSE);\n    } else\n        tmp_buf = NULL;\n    EVP_MD_CTX_reset(out);\n    memcpy(out, in, sizeof(*out));\n    out->md_data = NULL;\n    out->pctx = NULL;\n    if (in->md_data && out->digest->ctx_size) {\n        if (tmp_buf)\n            out->md_data = tmp_buf;\n        else {\n            out->md_data = OPENSSL_malloc(out->digest->ctx_size);\n            if (out->md_data == NULL) {\n                EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_MALLOC_FAILURE);\n                return 0;\n            }\n        }\n        memcpy(out->md_data, in->md_data, out->digest->ctx_size);\n    }\n    out->update = in->update;\n    if (in->pctx) {\n        out->pctx = EVP_PKEY_CTX_dup(in->pctx);\n        if (!out->pctx) {\n            EVP_MD_CTX_reset(out);\n            return 0;\n        }\n    }\n    if (out->digest->copy)\n        return out->digest->copy(out, in);\n    return 1;\n}', 'int ENGINE_init(ENGINE *e)\n{\n    int ret;\n    if (e == NULL) {\n        ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_PASSED_NULL_PARAMETER);\n        return 0;\n    }\n    if (!RUN_ONCE(&engine_lock_init, do_engine_lock_init)) {\n        ENGINEerr(ENGINE_F_ENGINE_INIT, ERR_R_MALLOC_FAILURE);\n        return 0;\n    }\n    CRYPTO_THREAD_write_lock(global_engine_lock);\n    ret = engine_unlocked_init(e);\n    CRYPTO_THREAD_unlock(global_engine_lock);\n    return ret;\n}', 'int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))\n{\n    if (pthread_once(once, init) != 0)\n        return 0;\n    return 1;\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}']