crypto/ec/ecp_smpl.c:1004: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_mod_lshift1_quick`.
Showing all 18 steps of the trace


crypto/ec/ecp_smpl.c:973:10: Call
971.   
972.       BN_CTX_start(ctx);
973.       rh = BN_CTX_get(ctx);
                ^
974.       tmp = BN_CTX_get(ctx);
975.       Z4 = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:229:5: Call
  227.       }
  228.       /* OK, make sure the returned bignum is "zero" */
  229.       BN_zero(ret);
             ^
  230.       ctx->used++;
  231.       CTXDBG_RET(ctx, ret);

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

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

crypto/ec/ecp_smpl.c:1004:18: Call
1002.           /* rh := (rh + a*Z^4)*X */
1003.           if (group->a_is_minus3) {
1004.               if (!BN_mod_lshift1_quick(tmp, Z4, p))
                         ^
1005.                   goto err;
1006.               if (!BN_mod_add_quick(tmp, tmp, Z4, p))

crypto/bn/bn_mod.c:122:1: Parameter `*r->d`
  120.    * m
  121.    */
  122. > int BN_mod_lshift1_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *m)
  123.   {
  124.       if (!BN_lshift1(r, a))

crypto/bn/bn_mod.c:124:10: Call
  122.   int BN_mod_lshift1_quick(BIGNUM *r, const BIGNUM *a, const BIGNUM *m)
  123.   {
  124.       if (!BN_lshift1(r, a))
                  ^
  125.           return 0;
  126.       bn_check_top(r);

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

crypto/bn/bn_shift.c:23:13: Call
    21.       if (r != a) {
    22.           r->neg = a->neg;
    23.           if (bn_wexpand(r, a->top + 1) == NULL)
                      ^
    24.               return 0;
    25.           r->top = a->top;

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_mod_lshift1_quick` 
          229.       assert(b->top <= words);
          230.       if (b->top > 0)
          231.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          232.   
          233.       return a;
