test/bntest.c:584: error: BUFFER_OVERRUN_L3
  Offset: [1, +oo] Size: [0, 8388607] by call to `BN_lshift`.
Showing all 11 steps of the trace


test/bntest.c:52:1: Assignment
50.   #include "../crypto/bn/bn_lcl.h"
51.   
52. > static const int num0 = 100;           /* number of tests */
53.   static const int num1 = 50;            /* additional tests for some functions */
54.   static const int num2 = 5;             /* number of tests for slow functions */

test/bntest.c:584:13: Call
582.               BN_bntest_rand(a, 400, 0, 0);
583.               BN_copy(b, a);
584.               BN_lshift(a, a, i);
                   ^
585.               BN_add_word(a, i);
586.           } else

crypto/bn/bn_shift.c:81:1: <Offset trace>
79.   }
80.   
81. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
82.   {
83.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:81:1: Parameter `n`
  79.   }
  80.   
  81. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
  82.   {
  83.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:96:5: Assignment
  94.   
  95.       r->neg = a->neg;
  96.       nw = n / BN_BITS2;
            ^
  97.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
  98.           return (0);

crypto/bn/bn_shift.c:81:1: <Length trace>
79.   }
80.   
81. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
82.   {
83.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:81:1: Parameter `*r->d`
  79.   }
  80.   
  81. > int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
  82.   {
  83.       int i, nw, lb, rb;

crypto/bn/bn_shift.c:97:9: Call
  95.       r->neg = a->neg;
  96.       nw = n / BN_BITS2;
  97.       if (bn_wexpand(r, a->top + nw + 1) == NULL)
                 ^
  98.           return (0);
  99.       lb = n % BN_BITS2;

crypto/bn/bn_lib.c:1016:1: Parameter `*a->d`
    1014.   }
    1015.   
    1016. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
    1017.   {
    1018.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_shift.c:102:5: Assignment
  100.       rb = BN_BITS2 - lb;
  101.       f = a->d;
  102.       t = r->d;
             ^
  103.       t[a->top + nw] = 0;
  104.       if (lb == 0)

crypto/bn/bn_shift.c:110:13: Array access: Offset: [1, +oo] Size: [0, 8388607] by call to `BN_lshift` 
  108.           for (i = a->top - 1; i >= 0; i--) {
  109.               l = f[i];
  110.               t[nw + i + 1] |= (l >> rb) & BN_MASK2;
                     ^
  111.               t[nw + i] = (l << lb) & BN_MASK2;
  112.           }
