crypto/bn/bn_recp.c:183: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_set_bit`.
Showing all 16 steps of the trace


crypto/bn/bn_recp.c:180:14: Call
178.   
179.       BN_CTX_start(ctx);
180.       if ((t = BN_CTX_get(ctx)) == NULL)
                    ^
181.           goto err;
182.   

crypto/bn/bn_ctx.c:229:5: Call
  227.       }
  228.       /* OK, make sure the returned bignum is "zero" */
  229.       BN_zero(ret);
             ^
  230.       /* clear BN_FLG_CONSTTIME if leaked from previous frames */
  231.       ret->flags &= (~BN_FLG_CONSTTIME);

crypto/bn/bn_lib.c:366:15: Assignment
    364.       a->neg = 0;
    365.       a->d[0] = w;
    366.       a->top = (w ? 1 : 0);
                         ^
    367.       a->flags &= ~BN_FLG_FIXED_TOP;
    368.       bn_check_top(a);

crypto/bn/bn_lib.c:366:5: Assignment
    364.       a->neg = 0;
    365.       a->d[0] = w;
    366.       a->top = (w ? 1 : 0);
               ^
    367.       a->flags &= ~BN_FLG_FIXED_TOP;
    368.       bn_check_top(a);

crypto/bn/bn_recp.c:183:10: Call
181.           goto err;
182.   
183.       if (!BN_set_bit(t, len))
                ^
184.           goto err;
185.   

crypto/bn/bn_lib.c:608:1: Parameter `*a->d`
  606.   }
  607.   
  608. > int BN_set_bit(BIGNUM *a, int n)
  609.   {
  610.       int i, j, k;

crypto/bn/bn_lib.c:618:13: Call
  616.       j = n % BN_BITS2;
  617.       if (a->top <= i) {
  618.           if (bn_wexpand(a, i + 1) == NULL)
                     ^
  619.               return 0;
  620.           for (k = a->top; k < i + 1; k++)

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_set_bit` 
        230.       assert(b->top <= words);
        231.       if (b->top > 0)
        232.           memcpy(a, b->d, sizeof(*a) * b->top);
                       ^
        233.   
        234.       return a;
