test/evp_test.c:1633: error: NULL_DEREFERENCE
  pointer `edata` last assigned on line 1630 could be null and is dereferenced at line 1633, column 9.
Showing all 18 steps of the trace


test/evp_test.c:1628:1: start of procedure encode_test_init()
1626.   };
1627.   
1628. > static int encode_test_init(struct evp_test *t, const char *encoding)
1629.   {
1630.       struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));

test/evp_test.c:1630:5: 
1628.   static int encode_test_init(struct evp_test *t, const char *encoding)
1629.   {
1630. >     struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
1631.   
1632.       if (strcmp(encoding, "canonical") == 0) {

crypto/mem.c:156:1: start of procedure CRYPTO_zalloc()
  154.   }
  155.   
  156. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
  157.   {
  158.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:158:5: 
  156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
  157.   {
  158. >     void *ret = CRYPTO_malloc(num, file, line);
  159.   
  160.       if (ret != NULL)

crypto/mem.c:119:1: start of procedure CRYPTO_malloc()
    117.   }
    118.   
    119. > void *CRYPTO_malloc(size_t num, const char *file, int line)
    120.   {
    121.       void *ret = NULL;

crypto/mem.c:121:5: 
    119.   void *CRYPTO_malloc(size_t num, const char *file, int line)
    120.   {
    121. >     void *ret = NULL;
    122.   
    123.       if (num <= 0)

crypto/mem.c:123:9: Taking false branch
    121.       void *ret = NULL;
    122.   
    123.       if (num <= 0)
                   ^
    124.           return NULL;
    125.   

crypto/mem.c:126:5: 
    124.           return NULL;
    125.   
    126. >     allow_customize = 0;
    127.   #ifndef OPENSSL_NO_CRYPTO_MDEBUG
    128.       if (call_malloc_debug) {

crypto/mem.c:136:5: 
    134.       }
    135.   #else
    136. >     (void)file;
    137.       (void)line;
    138.       ret = malloc(num);

crypto/mem.c:137:5: 
    135.   #else
    136.       (void)file;
    137. >     (void)line;
    138.       ret = malloc(num);
    139.   #endif

crypto/mem.c:138:5: 
    136.       (void)file;
    137.       (void)line;
    138. >     ret = malloc(num);
    139.   #endif
    140.   

crypto/mem.c:153:5: 
    151.   #endif
    152.   
    153. >     return ret;
    154.   }
    155.   

crypto/mem.c:154:1: return from a call to CRYPTO_malloc
    152.   
    153.       return ret;
    154. > }
    155.   
    156.   void *CRYPTO_zalloc(size_t num, const char *file, int line)

crypto/mem.c:160:9: Taking false branch
  158.       void *ret = CRYPTO_malloc(num, file, line);
  159.   
  160.       if (ret != NULL)
                 ^
  161.           memset(ret, 0, num);
  162.       return ret;

crypto/mem.c:162:5: 
  160.       if (ret != NULL)
  161.           memset(ret, 0, num);
  162. >     return ret;
  163.   }
  164.   

crypto/mem.c:163:1: return from a call to CRYPTO_zalloc
  161.           memset(ret, 0, num);
  162.       return ret;
  163. > }
  164.   
  165.   void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)

test/evp_test.c:1632:9: Taking true branch
1630.       struct encode_data *edata = OPENSSL_zalloc(sizeof(*edata));
1631.   
1632.       if (strcmp(encoding, "canonical") == 0) {
                ^
1633.           edata->encoding = BASE64_CANONICAL_ENCODING;
1634.       } else if (strcmp(encoding, "valid") == 0) {

test/evp_test.c:1633:9: 
1631.   
1632.       if (strcmp(encoding, "canonical") == 0) {
1633. >         edata->encoding = BASE64_CANONICAL_ENCODING;
1634.       } else if (strcmp(encoding, "valid") == 0) {
1635.           edata->encoding = BASE64_VALID_ENCODING;

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    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 (num <= 0)\n        return NULL;\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;\n    (void)line;\n    ret = malloc(num);\n#endif\n#ifndef OPENSSL_CPUID_OBJ\n    if (ret && (num > 2048)) {\n        extern unsigned char cleanse_ctr;\n        ((unsigned char *)ret)[0] = cleanse_ctr;\n    }\n#endif\n    return ret;\n}']