crypto/bn/bn_div.c:265: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `bn_wexpand`.
Showing all 12 steps of the trace


crypto/bn/bn_div.c:251:11: Call
249.       /* First we normalise the numbers */
250.       norm_shift = BN_BITS2 - ((BN_num_bits(divisor)) % BN_BITS2);
251.       if (!(BN_lshift(sdiv, divisor, norm_shift)))
                 ^
252.           goto err;
253.       sdiv->neg = 0;

crypto/bn/bn_shift.c:83:1: Parameter `r->top`
  81.   }
  82.   
  83. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
  84.   {
  85.       int i, nw, lb, rb;

crypto/bn/bn_div.c:265:17: Call
263.            */
264.           if (snum->top <= sdiv->top + 1) {
265.               if (bn_wexpand(snum, sdiv->top + 2) == NULL)
                       ^
266.                   goto err;
267.               for (i = snum->top; i < sdiv->top + 2; i++)

crypto/bn/bn_lib.c:939:1: Parameter `*a->d`
  937.   }
  938.   
  939. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
  940.   {
  941.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:941:37: Call
  939.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
  940.   {
  941.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                             ^
  942.   }
  943.   

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

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

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

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

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

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

crypto/bn/bn_lib.c:232:9: Array access: Offset added: [8, +oo] Size: [0, 536870848] by call to `bn_wexpand` 
      230.       assert(b->top <= words);
      231.       if (b->top > 0)
      232.           memcpy(a, b->d, sizeof(*a) * b->top);
                     ^
      233.   
      234.       return a;
