crypto/bn/bn_gf2m.c:575: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_copy`.
Showing all 14 steps of the trace


crypto/bn/bn_gf2m.c:570:10: Call
568.           goto err;
569.   
570.       if (!BN_GF2m_mod(u, a, p))
                ^
571.           goto err;
572.       if (BN_is_zero(u))

crypto/bn/bn_gf2m.c:390:1: Parameter `r->top`
  388.    * BN_GF2m_mod_arr function.
  389.    */
  390. > int BN_GF2m_mod(BIGNUM *r, const BIGNUM *a, const BIGNUM *p)
  391.   {
  392.       int ret = 0;

crypto/bn/bn_gf2m.c:575:10: Call
573.           goto err;
574.   
575.       if (!BN_copy(v, p))
                ^
576.           goto err;
577.   # if 0

crypto/bn/bn_lib.c:281:1: Parameter `*a->d`
  279.   }
  280.   
  281. > BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
  282.   {
  283.       bn_check_top(b);

crypto/bn/bn_lib.c:287:9: Call
  285.       if (a == b)
  286.           return a;
  287.       if (bn_wexpand(a, b->top) == NULL)
                 ^
  288.           return NULL;
  289.   

crypto/bn/bn_lib.c:948:1: Parameter `*a->d`
    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: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_copy` 
        230.       assert(b->top <= words);
        231.       if (b->top > 0)
        232.           memcpy(a, b->d, sizeof(*a) * b->top);
                       ^
        233.   
        234.       return a;
