crypto/bn/bn_lib.c:475: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `bn_wexpand`.
Showing all 18 steps of the trace


crypto/bn/bn_lib.c:452:1: Parameter `ret->top`
450.   }
451.   
452. > BIGNUM *BN_lebin2bn(const unsigned char *s, int len, BIGNUM *ret)
453.   {
454.       unsigned int i, m;

crypto/bn/bn_lib.c:475:9: Call
473.       i = ((n - 1) / BN_BYTES) + 1;
474.       m = ((n - 1) % (BN_BYTES));
475.       if (bn_wexpand(ret, (int)i) == NULL) {
               ^
476.           BN_free(bn);
477.           return NULL;

crypto/bn/bn_lib.c:942:1: Parameter `a->top`
  940.   }
  941.   
  942. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
  943.   {
  944.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:944:37: Call
  942.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
  943.   {
  944.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                             ^
  945.   }
  946.   

crypto/bn/bn_lib.c:244:1: Parameter `b->top`
    242.    */
    243.   
    244. > BIGNUM *bn_expand2(BIGNUM *b, int words)
    245.   {
    246.       if (words > b->dmax) {

crypto/bn/bn_lib.c:247:23: Call
    245.   {
    246.       if (words > b->dmax) {
    247.           BN_ULONG *a = bn_expand_internal(b, words);
                                 ^
    248.           if (!a)
    249.               return NULL;

crypto/bn/bn_lib.c:208:1: <Offset trace>
206.   /* This is used by bn_expand2() */
207.   /* The caller MUST check that words > b->dmax before calling this */
208. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
209.   {
210.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:208:1: Parameter `b->top`
      206.   /* This is used by bn_expand2() */
      207.   /* The caller MUST check that words > b->dmax before calling this */
      208. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
      209.   {
      210.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:208:1: <Length trace>
206.   /* This is used by bn_expand2() */
207.   /* The caller MUST check that words > b->dmax before calling this */
208. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
209.   {
210.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:208:1: Parameter `words`
      206.   /* This is used by bn_expand2() */
      207.   /* The caller MUST check that words > b->dmax before calling this */
      208. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
      209.   {
      210.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:223:13: Call
      221.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
      222.       else
      223.           a = OPENSSL_zalloc(words * sizeof(*a));
                         ^
      224.       if (a == NULL) {
      225.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:228:1: Parameter `num`
        226.   }
        227.   
        228. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
        229.   {
        230.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:230:17: Call
        228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
        229.   {
        230.       void *ret = CRYPTO_malloc(num, file, line);
                               ^
        231.   
        232.       FAILTEST();

crypto/mem.c:201:9: Assignment
          199.   
          200.       if (num == 0)
          201.           return NULL;
                         ^
          202.   
          203.       FAILTEST();

crypto/mem.c:230:5: Assignment
        228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
        229.   {
        230.       void *ret = CRYPTO_malloc(num, file, line);
                   ^
        231.   
        232.       FAILTEST();

crypto/mem.c:235:5: Assignment
        233.       if (ret != NULL)
        234.           memset(ret, 0, num);
        235.       return ret;
                   ^
        236.   }
        237.   

crypto/bn/bn_lib.c:223:9: Assignment
      221.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
      222.       else
      223.           a = OPENSSL_zalloc(words * sizeof(*a));
                     ^
      224.       if (a == NULL) {
      225.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:231:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `bn_wexpand` 
      229.       assert(b->top <= words);
      230.       if (b->top > 0)
      231.           memcpy(a, b->d, sizeof(*a) * b->top);
                     ^
      232.   
      233.       return a;
