test/evp_test.c:1861: error: NULL_DEREFERENCE
  pointer `edata` last assigned on line 1854 could be null and is dereferenced at line 1861, column 9.
Showing all 17 steps of the trace


test/evp_test.c:1852:1: start of procedure encode_test_init()
1850.   };
1851.   
1852. > static int encode_test_init(struct evp_test *t, const char *encoding)
1853.   {
1854.       struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));

test/evp_test.c:1854:5: 
1852.   static int encode_test_init(struct evp_test *t, const char *encoding)
1853.   {
1854. >     struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
1855.   
1856.       if (strcmp(encoding, "canonical") == 0) {

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 true 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:162:32: Taking true 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:163:9: Skipping __function_pointer__(): unresolved function pointer
    161.   
    162.       if (malloc_impl != NULL && malloc_impl != CRYPTO_malloc)
    163.           return malloc_impl(num, file, line);
                   ^
    164.   
    165.       if (num == 0)

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 false branch
  189.   
  190.       FAILTEST();
  191.       if (ret != NULL)
                 ^
  192.           memset(ret, 0, num);
  193.       return ret;

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)

test/evp_test.c:1856:9: Taking false branch
1854.       struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
1855.   
1856.       if (strcmp(encoding, "canonical") == 0) {
                ^
1857.           edata->encoding = BASE64_CANONICAL_ENCODING;
1858.       } else if (strcmp(encoding, "valid") == 0) {

test/evp_test.c:1858:16: Taking false branch
1856.       if (strcmp(encoding, "canonical") == 0) {
1857.           edata->encoding = BASE64_CANONICAL_ENCODING;
1858.       } else if (strcmp(encoding, "valid") == 0) {
                       ^
1859.           edata->encoding = BASE64_VALID_ENCODING;
1860.       } else if (strcmp(encoding, "invalid") == 0) {

test/evp_test.c:1860:16: Taking true branch
1858.       } else if (strcmp(encoding, "valid") == 0) {
1859.           edata->encoding = BASE64_VALID_ENCODING;
1860.       } else if (strcmp(encoding, "invalid") == 0) {
                       ^
1861.           edata->encoding = BASE64_INVALID_ENCODING;
1862.           t->expected_err = OPENSSL_strdup("DECODE_ERROR");

test/evp_test.c:1861:9: 
1859.           edata->encoding = BASE64_VALID_ENCODING;
1860.       } else if (strcmp(encoding, "invalid") == 0) {
1861. >         edata->encoding = BASE64_INVALID_ENCODING;
1862.           t->expected_err = OPENSSL_strdup("DECODE_ERROR");
1863.           if (t->expected_err == NULL)

static int encode_test_init(struct evp_test *t, const char *encoding)
{
    struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
    if (strcmp(encoding, "canonical") == 0) {
        edata->encoding = BASE64_CANONICAL_ENCODING;
    } else if (strcmp(encoding, "valid") == 0) {
        edata->encoding = BASE64_VALID_ENCODING;
    } else if (strcmp(encoding, "invalid") == 0) {
        edata->encoding = BASE64_INVALID_ENCODING;
        t->expected_err = OPENSSL_strdup("DECODE_ERROR");
        if (t->expected_err == NULL)
            return 0;
    } else {
        fprintf(stderr, "Bad encoding: %s. Should be one of "
                "{canonical, valid, invalid}\n", encoding);
        return 0;
    }
    t->data = edata;
    return 1;
}
['static int encode_test_init(struct evp_test *t, const char *encoding)\n{\n    struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));\n    if (strcmp(encoding, "canonical") == 0) {\n        edata->encoding = BASE64_CANONICAL_ENCODING;\n    } else if (strcmp(encoding, "valid") == 0) {\n        edata->encoding = BASE64_VALID_ENCODING;\n    } else if (strcmp(encoding, "invalid") == 0) {\n        edata->encoding = BASE64_INVALID_ENCODING;\n        t->expected_err = OPENSSL_strdup("DECODE_ERROR");\n        if (t->expected_err == NULL)\n            return 0;\n    } else {\n        fprintf(stderr, "Bad encoding: %s. Should be one of "\n                "{canonical, valid, invalid}\\n", encoding);\n        return 0;\n    }\n    t->data = edata;\n    return 1;\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}']