crypto/bn/bn_rsa_fips186_4.c:278: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_lshift1`.
Showing all 16 steps of the trace


crypto/bn/bn_rsa_fips186_4.c:267:9: Call
265.       BN_CTX_start(ctx);
266.   
267.       R = BN_CTX_get(ctx);
               ^
268.       tmp = BN_CTX_get(ctx);
269.       r1r2x2 = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:238:5: Call
  236.       }
  237.       /* OK, make sure the returned bignum is "zero" */
  238.       BN_zero(ret);
             ^
  239.       /* clear BN_FLG_CONSTTIME if leaked from previous frames */
  240.       ret->flags &= (~BN_FLG_CONSTTIME);

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

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

crypto/bn/bn_rsa_fips186_4.c:278:11: Call
276.           goto err;
277.   
278.       if (!(BN_lshift1(r1x2, r1)
                 ^
279.               /* (Step 1) GCD(2r1, r2) = 1 */
280.               && BN_gcd(tmp, r1x2, r2, ctx)

crypto/bn/bn_shift.c:14:1: Parameter `*r->d`
  12.   #include "bn_lcl.h"
  13.   
  14. > int BN_lshift1(BIGNUM *r, const BIGNUM *a)
  15.   {
  16.       register BN_ULONG *ap, *rp, t, c;

crypto/bn/bn_shift.c:28:13: Call
  26.           r->top = a->top;
  27.       } else {
  28.           if (bn_wexpand(r, a->top + 1) == NULL)
                    ^
  29.               return 0;
  30.       }

crypto/bn/bn_lib.c:962:1: Parameter `*a->d`
    960.   }
    961.   
    962. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
    963.   {
    964.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:964:37: Call
    962.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
    963.   {
    964.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                               ^
    965.   }
    966.   

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_lshift1` 
        230.       assert(b->top <= words);
        231.       if (b->top > 0)
        232.           memcpy(a, b->d, sizeof(*a) * b->top);
                       ^
        233.   
        234.       return a;
