test/crltest.c:287: error: USE_AFTER_FREE
  call to `sk_X509_CRL_push()` eventually accesses memory that was invalidated by call to `free()` on line 284 indirectly during the call to `sk_X509_CRL_push()`.
Showing all 24 steps of the trace


test/crltest.c:282:30: invalidation part of the trace starts here
280.   static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)
281.   {
282.       STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
                                    ^
283.   
284.       sk_X509_CRL_push(sk, x1);

test/crltest.c:282:30: passed as argument to `sk_X509_CRL_new_null`
  280.   static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)
  281.   {
  282.       STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
                                      ^
  283.   
  284.       sk_X509_CRL_push(sk, x1);

test/crltest.c:282:30: return from call to `sk_X509_CRL_new_null`
  280.   static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)
  281.   {
  282.       STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
                                      ^
  283.   
  284.       sk_X509_CRL_push(sk, x1);

test/crltest.c:282:5: assigned
  280.   static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)
  281.   {
  282.       STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
             ^
  283.   
  284.       sk_X509_CRL_push(sk, x1);

test/crltest.c:284:5: when calling `sk_X509_CRL_push` here
  282.       STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
  283.   
  284.       sk_X509_CRL_push(sk, x1);
             ^
  285.       X509_CRL_up_ref(x1);
  286.       if (x2 != NULL) {

include/openssl/x509.h:228:1: parameter `sk` of sk_X509_CRL_push
    226.   typedef struct X509_crl_info_st X509_CRL_INFO;
    227.   
    228. > DEFINE_STACK_OF(X509_CRL)
    229.   
    230.   typedef struct private_key_st {

include/openssl/x509.h:228:1: when calling `OPENSSL_sk_push` here
    226.   typedef struct X509_crl_info_st X509_CRL_INFO;
    227.   
    228. > DEFINE_STACK_OF(X509_CRL)
    229.   
    230.   typedef struct private_key_st {

crypto/stack/stack.c:323:1: parameter `st` of OPENSSL_sk_push
      321.   }
      322.   
      323. > int OPENSSL_sk_push(OPENSSL_STACK *st, const void *data)
      324.   {
      325.       return OPENSSL_sk_insert(st, data, st->num);

crypto/stack/stack.c:325:12: when calling `OPENSSL_sk_insert` here
      323.   int OPENSSL_sk_push(OPENSSL_STACK *st, const void *data)
      324.   {
      325.       return OPENSSL_sk_insert(st, data, st->num);
                        ^
      326.   }
      327.   

crypto/stack/stack.c:234:1: parameter `st` of OPENSSL_sk_insert
        232.   }
        233.   
        234. > int OPENSSL_sk_insert(OPENSSL_STACK *st, const void *data, int loc)
        235.   {
        236.       if (st->num == max_nodes)

crypto/stack/stack.c:239:10: when calling `sk_reserve` here
        237.           return 0;
        238.   
        239.       if (!sk_reserve(st, 1, 0))
                        ^
        240.           return 0;
        241.   

crypto/stack/stack.c:160:1: parameter `st` of sk_reserve
          158.   
          159.   /* internal STACK storage allocation */
          160. > static int sk_reserve(OPENSSL_STACK *st, int n, int exact)
          161.   {
          162.       const void **tmpdata;

crypto/stack/stack.c:198:15: when calling `CRYPTO_realloc` here
          196.       }
          197.   
          198.       tmpdata = OPENSSL_realloc((void *)st->data, sizeof(void *) * num_alloc);
                               ^
          199.       if (tmpdata == NULL)
          200.           return 0;

crypto/mem.c:238:1: parameter `str` of CRYPTO_realloc
            236.   }
            237.   
            238. > void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)
            239.   {
            240.       INCREMENT(realloc_count);

crypto/mem.c:249:9: when calling `CRYPTO_free` here
            247.   
            248.       if (num == 0) {
            249.           CRYPTO_free(str, file, line);
                           ^
            250.           return NULL;
            251.       }

crypto/mem.c:295:1: parameter `str` of CRYPTO_free
              293.   }
              294.   
              295. > void CRYPTO_free(void *str, const char *file, int line)
              296.   {
              297.       INCREMENT(free_count);

crypto/mem.c:312:5: was invalidated by call to `free()`
              310.       }
              311.   #else
              312.       free(str);
                         ^
              313.   #endif
              314.   }

test/crltest.c:282:30: use-after-lifetime part of the trace starts here
280.   static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)
281.   {
282.       STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
                                    ^
283.   
284.       sk_X509_CRL_push(sk, x1);

test/crltest.c:282:30: passed as argument to `sk_X509_CRL_new_null`
  280.   static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)
  281.   {
  282.       STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
                                      ^
  283.   
  284.       sk_X509_CRL_push(sk, x1);

test/crltest.c:282:30: return from call to `sk_X509_CRL_new_null`
  280.   static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)
  281.   {
  282.       STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
                                      ^
  283.   
  284.       sk_X509_CRL_push(sk, x1);

test/crltest.c:282:5: assigned
  280.   static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)
  281.   {
  282.       STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
             ^
  283.   
  284.       sk_X509_CRL_push(sk, x1);

test/crltest.c:287:9: when calling `sk_X509_CRL_push` here
  285.       X509_CRL_up_ref(x1);
  286.       if (x2 != NULL) {
  287.           sk_X509_CRL_push(sk, x2);
                 ^
  288.           X509_CRL_up_ref(x2);
  289.       }

crypto/mem.c:295:1: parameter `str` of CRYPTO_free
    293.   }
    294.   
    295. > void CRYPTO_free(void *str, const char *file, int line)
    296.   {
    297.       INCREMENT(free_count);

crypto/mem.c:312:5: invalid access occurs here
    310.       }
    311.   #else
    312.       free(str);
               ^
    313.   #endif
    314.   }

void CRYPTO_free(void *str, const char *file, int line)
{
    INCREMENT(free_count);
    if (free_impl != NULL && free_impl != &CRYPTO_free) {
        free_impl(str, file, line);
        return;
    }
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
    if (call_malloc_debug) {
        CRYPTO_mem_debug_free(str, 0, file, line);
        free(str);
        CRYPTO_mem_debug_free(str, 1, file, line);
    } else {
        free(str);
    }
#else
    free(str);
#endif
}
['static STACK_OF(X509_CRL) *make_CRL_stack(X509_CRL *x1, X509_CRL *x2)\n{\n    STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();\n    sk_X509_CRL_push(sk, x1);\n    X509_CRL_up_ref(x1);\n    if (x2 != NULL) {\n        sk_X509_CRL_push(sk, x2);\n        X509_CRL_up_ref(x2);\n    }\n    return sk;\n}', 'DEFINE_STACK_OF(X509_CRL)', 'int OPENSSL_sk_push(OPENSSL_STACK *st, const void *data)\n{\n    return OPENSSL_sk_insert(st, data, st->num);\n}', 'int OPENSSL_sk_insert(OPENSSL_STACK *st, const void *data, int loc)\n{\n    if (st->num == max_nodes)\n        return 0;\n    if (!sk_reserve(st, 1, 0))\n        return 0;\n    if ((loc >= st->num) || (loc < 0)) {\n        st->data[st->num] = data;\n    } else {\n        memmove(&st->data[loc + 1], &st->data[loc],\n                sizeof(st->data[0]) * (st->num - loc));\n        st->data[loc] = data;\n    }\n    st->num++;\n    st->sorted = 0;\n    return st->num;\n}', 'static int sk_reserve(OPENSSL_STACK *st, int n, int exact)\n{\n    const void **tmpdata;\n    int num_alloc;\n    if (n > max_nodes - st->num)\n        return 0;\n    num_alloc = st->num + n;\n    if (num_alloc < min_nodes)\n        num_alloc = min_nodes;\n    if (st->data == NULL) {\n        if ((st->data = OPENSSL_zalloc(sizeof(void *) * num_alloc)) == NULL) {\n            CRYPTOerr(CRYPTO_F_SK_RESERVE, ERR_R_MALLOC_FAILURE);\n            return 0;\n        }\n        st->num_alloc = num_alloc;\n        return 1;\n    }\n    if (!exact) {\n        if (num_alloc <= st->num_alloc)\n            return 1;\n        num_alloc = compute_growth(num_alloc, st->num_alloc);\n        if (num_alloc == 0)\n            return 0;\n    } else if (num_alloc == st->num_alloc) {\n        return 1;\n    }\n    tmpdata = OPENSSL_realloc((void *)st->data, sizeof(void *) * num_alloc);\n    if (tmpdata == NULL)\n        return 0;\n    st->data = tmpdata;\n    st->num_alloc = num_alloc;\n    return 1;\n}', 'void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)\n{\n    INCREMENT(realloc_count);\n    if (realloc_impl != NULL && realloc_impl != &CRYPTO_realloc)\n        return realloc_impl(str, num, file, line);\n    FAILTEST();\n    if (str == NULL)\n        return CRYPTO_malloc(num, file, line);\n    if (num == 0) {\n        CRYPTO_free(str, file, line);\n        return NULL;\n    }\n#ifndef OPENSSL_NO_CRYPTO_MDEBUG\n    if (call_malloc_debug) {\n        void *ret;\n        CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);\n        ret = realloc(str, num);\n        CRYPTO_mem_debug_realloc(str, ret, num, 1, file, line);\n        return ret;\n    }\n#else\n    (void)(file); (void)(line);\n#endif\n    return realloc(str, num);\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}']