crypto/bn/bn_gf2m.c:633: 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_gf2m.c:630:14: Assignment
628.           bdp = b->d;
629.           bdp[0] = 1;
630.           for (i = 1; i < top; i++)
                    ^
631.               bdp[i] = 0;
632.           b->top = top;

crypto/bn/bn_gf2m.c:632:9: Assignment
630.           for (i = 1; i < top; i++)
631.               bdp[i] = 0;
632.           b->top = top;
               ^
633.           if (!bn_wexpand(c, top))
634.             goto err;

crypto/bn/bn_gf2m.c:633:14: Call
631.               bdp[i] = 0;
632.           b->top = top;
633.           if (!bn_wexpand(c, top))
                    ^
634.             goto err;
635.           cdp = c->d;

crypto/bn/bn_lib.c:942:1: Parameter `*a->d`
  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->d`
    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 `*b->d`
      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:231:9: Array access: Offset added: [8, +oo] Size: [0, 536870848] 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;
