crypto/ec/ecp_smpl.c:735: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_copy`.
Showing all 21 steps of the trace


crypto/ec/ecp_smpl.c:655:14: Call
653.       /* n1, n2 */
654.       if (b->Z_is_one) {
655.           if (!BN_copy(n1, a->X))
                    ^
656.               goto end;
657.           if (!BN_copy(n2, a->Y))

crypto/bn/bn_lib.c:323:1: Parameter `a->top`
  321.   }
  322.   
  323. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
  324.   {
  325.       bn_check_top(b);

crypto/ec/ecp_smpl.c:735:18: Call
733.       } else {
734.           if (a->Z_is_one) {
735.               if (!BN_copy(n0, b->Z))
                        ^
736.                   goto end;
737.           } else if (b->Z_is_one) {

crypto/bn/bn_lib.c:323:1: Parameter `a->top`
  321.   }
  322.   
  323. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
  324.   {
  325.       bn_check_top(b);

crypto/bn/bn_lib.c:329:9: Call
  327.       if (a == b)
  328.           return a;
  329.       if (bn_wexpand(a, b->top) == NULL)
                 ^
  330.           return NULL;
  331.   

crypto/bn/bn_lib.c:948:1: Parameter `a->top`
    946.   }
    947.   
    948. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
    949.   {
    950.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:950:37: Call
    948.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
    949.   {
    950.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                               ^
    951.   }
    952.   

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_copy` 
        269.       assert(b->top <= words);
        270.       if (b->top > 0)
        271.           memcpy(a, b->d, sizeof(*a) * b->top);
                       ^
        272.   
        273.       return a;
