crypto/ec/ec2_smpl.c:881: error: INTEGER_OVERFLOW_L2
  ([0, 5+max(0, `ctx->stack.depth`)] - 1):unsigned32 by call to `ec_scalar_mul_ladder`.
Showing all 19 steps of the trace


crypto/ec/ec2_smpl.c:835:1: Parameter `ctx->stack.depth`
833.   }
834.   
835. > static
836.   int ec_GF2m_simple_points_mul(const EC_GROUP *group, EC_POINT *r,
837.                                 const BIGNUM *scalar, size_t num,

crypto/ec/ec2_smpl.c:880:10: Call
878.       }
879.   
880.       if (!ec_scalar_mul_ladder(group, t, scalar, NULL, ctx)
                ^
881.           || !ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx)
882.           || !EC_POINT_add(group, r, t, r, ctx))

crypto/ec/ec_mult.c:139:1: Parameter `ctx->stack.depth`
  137.    * Returns 1 on success, 0 otherwise.
  138.    */
  139. > int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r,
  140.                            const BIGNUM *scalar, const EC_POINT *point,
  141.                            BN_CTX *ctx)

crypto/ec/ec2_smpl.c:881:13: Call
879.   
880.       if (!ec_scalar_mul_ladder(group, t, scalar, NULL, ctx)
881.           || !ec_scalar_mul_ladder(group, r, scalars[0], points[0], ctx)
                   ^
882.           || !EC_POINT_add(group, r, t, r, ctx))
883.           goto err;

crypto/ec/ec_mult.c:139:1: Parameter `ctx->stack.depth`
  137.    * Returns 1 on success, 0 otherwise.
  138.    */
  139. > int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r,
  140.                            const BIGNUM *scalar, const EC_POINT *point,
  141.                            BN_CTX *ctx)

crypto/ec/ec_mult.c:164:5: Call
  162.       }
  163.   
  164.       BN_CTX_start(ctx);
             ^
  165.   
  166.       if (((p = EC_POINT_new(group)) == NULL)

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
    169.   }
    170.   
    171. > void BN_CTX_start(BN_CTX *ctx)
    172.   {
    173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/ec/ec_mult.c:196:10: Call
  194.       }
  195.   
  196.       if (!BN_mul(cardinality, group->order, group->cofactor, ctx)) {
                  ^
  197.           ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);
  198.           goto err;

crypto/bn/bn_mul.c:497:1: Parameter `ctx->stack.depth`
    495.   #endif                          /* BN_RECURSION */
    496.   
    497. > int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
    498.   {
    499.       int ret = bn_mul_fixed_top(r, a, b, ctx);

crypto/bn/bn_mul.c:499:15: Call
    497.   int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
    498.   {
    499.       int ret = bn_mul_fixed_top(r, a, b, ctx);
                         ^
    500.   
    501.       bn_correct_top(r);

crypto/bn/bn_mul.c:507:1: Parameter `ctx->stack.depth`
      505.   }
      506.   
      507. > int bn_mul_fixed_top(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
      508.   {
      509.       int ret = 0;

crypto/bn/bn_mul.c:533:5: Call
      531.       top = al + bl;
      532.   
      533.       BN_CTX_start(ctx);
                 ^
      534.       if ((r == a) || (r == b)) {
      535.           if ((rr = BN_CTX_get(ctx)) == NULL)

crypto/bn/bn_ctx.c:171:1: Parameter `ctx->stack.depth`
        169.   }
        170.   
        171. > void BN_CTX_start(BN_CTX *ctx)
        172.   {
        173.       CTXDBG("ENTER BN_CTX_start()", ctx);

crypto/bn/bn_mul.c:618:5: Call
      616.    err:
      617.       bn_check_top(r);
      618.       BN_CTX_end(ctx);
                 ^
      619.       return ret;
      620.   }

crypto/bn/bn_ctx.c:185:1: Parameter `ctx->stack.depth`
        183.   }
        184.   
        185. > void BN_CTX_end(BN_CTX *ctx)
        186.   {
        187.       CTXDBG("ENTER BN_CTX_end()", ctx);

crypto/bn/bn_ctx.c:191:27: Call
        189.           ctx->err_stack--;
        190.       else {
        191.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                         ^
        192.           /* Does this stack frame have anything to release? */
        193.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:266:1: <LHS trace>
264.   }
265.   
266. > static unsigned int BN_STACK_pop(BN_STACK *st)
267.   {
268.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:266:1: Parameter `st->depth`
          264.   }
          265.   
          266. > static unsigned int BN_STACK_pop(BN_STACK *st)
          267.   {
          268.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:268:12: Binary operation: ([0, 5+max(0, ctx->stack.depth)] - 1):unsigned32 by call to `ec_scalar_mul_ladder` 
          266.   static unsigned int BN_STACK_pop(BN_STACK *st)
          267.   {
          268.       return st->indexes[--(st->depth)];
                            ^
          269.   }
          270.   
