test/ectest.c:870: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_hex2bn`.
Showing all 21 steps of the trace


test/ectest.c:870:13: Call
868.           || !TEST_ptr(z = BN_new())
869.           || !TEST_ptr(yplusone = BN_new())
870.           || !TEST_true(BN_hex2bn(&p, test->p))
                   ^
871.           || !TEST_true(BN_hex2bn(&a, test->a))
872.           || !TEST_true(BN_hex2bn(&b, test->b))

crypto/bn/bn_print.c:126:1: Parameter `(*bn)->top`
  124.   }
  125.   
  126. > int BN_hex2bn(BIGNUM **bn, const char *a)
  127.   {
  128.       BIGNUM *ret = NULL;

crypto/bn/bn_print.c:157:9: Call
  155.       } else {
  156.           ret = *bn;
  157.           BN_zero(ret);
                 ^
  158.       }
  159.   

crypto/bn/bn_lib.c:395:1: Parameter `a->top`
    393.   }
    394.   
    395. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    396.   {
    397.       bn_check_top(a);

crypto/bn/bn_lib.c:398:9: Call
    396.   {
    397.       bn_check_top(a);
    398.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                   ^
    399.           return (0);
    400.       a->neg = 0;

crypto/bn/bn_lcl.h:660:1: Parameter `a->top`
      658.                            const BIGNUM *add, const BIGNUM *rem, BN_CTX *ctx);
      659.   
      660. > static ossl_inline BIGNUM *bn_expand(BIGNUM *a, int bits)
      661.   {
      662.       if (bits > (INT_MAX - BN_BITS2 + 1))

crypto/bn/bn_lcl.h:668:12: Call
      666.           return a;
      667.   
      668.       return bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2);
                        ^
      669.   }
      670.   

crypto/bn/bn_lib.c:284:1: Parameter `b->top`
        282.    */
        283.   
        284. > BIGNUM *bn_expand2(BIGNUM *b, int words)
        285.   {
        286.       bn_check_top(b);

crypto/bn/bn_lib.c:289:23: Call
        287.   
        288.       if (words > b->dmax) {
        289.           BN_ULONG *a = bn_expand_internal(b, words);
                                     ^
        290.           if (!a)
        291.               return NULL;

crypto/bn/bn_lib.c:246:1: <Offset trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `b->top`
          244.   /* This is used by bn_expand2() */
          245.   /* The caller MUST check that words > b->dmax before calling this */
          246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
          247.   {
          248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: <Length trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `words`
          244.   /* This is used by bn_expand2() */
          245.   /* The caller MUST check that words > b->dmax before calling this */
          246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
          247.   {
          248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:263:13: Call
          261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
          262.       else
          263.           a = OPENSSL_zalloc(words * sizeof(*a));
                             ^
          264.       if (a == NULL) {
          265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:186:1: Parameter `num`
            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:188:17: Call
            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:166:9: Assignment
              164.   
              165.       if (num == 0)
              166.           return NULL;
                             ^
              167.   
              168.       FAILTEST();

crypto/mem.c:188:5: Assignment
            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:193:5: Assignment
            191.       if (ret != NULL)
            192.           memset(ret, 0, num);
            193.       return ret;
                       ^
            194.   }
            195.   

crypto/bn/bn_lib.c:263:9: Assignment
          261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
          262.       else
          263.           a = OPENSSL_zalloc(words * sizeof(*a));
                         ^
          264.       if (a == NULL) {
          265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:271:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_hex2bn` 
          269.       assert(b->top <= words);
          270.       if (b->top > 0)
          271.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          272.   
          273.       return a;
