crypto/bn/bn_mul.c:571: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `bn_wexpand`.
Showing all 14 steps of the trace


crypto/bn/bn_mul.c:523:19: Call
521.       BN_CTX_start(ctx);
522.       if ((r == a) || (r == b)) {
523.           if ((rr = BN_CTX_get(ctx)) == NULL)
                         ^
524.               goto err;
525.       } else

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:402:15: Assignment
    400.       a->neg = 0;
    401.       a->d[0] = w;
    402.       a->top = (w ? 1 : 0);
                         ^
    403.       bn_check_top(a);
    404.       return (1);

crypto/bn/bn_lib.c:402:5: Assignment
    400.       a->neg = 0;
    401.       a->d[0] = w;
    402.       a->top = (w ? 1 : 0);
               ^
    403.       bn_check_top(a);
    404.       return (1);

crypto/bn/bn_mul.c:571:21: Call
569.                   goto err;
570.               if (al > j || bl > j) {
571.                   if (bn_wexpand(t, k * 4) == NULL)
                           ^
572.                       goto err;
573.                   if (bn_wexpand(rr, k * 4) == NULL)

crypto/bn/bn_lib.c:948:1: Parameter `*a->d`
  946.   }
  947.   
  948. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
  949.   {
  950.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:950:37: Call
  948.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
  949.   {
  950.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                             ^
  951.   }
  952.   

crypto/bn/bn_lib.c:284:1: Parameter `*b->d`
    282.    */
    283.   
    284. > BIGNUM *bn_expand2(BIGNUM *b, int words)
    285.   {
    286.       bn_check_top(b);

crypto/bn/bn_lib.c:289:23: Call
    287.   
    288.       if (words > b->dmax) {
    289.           BN_ULONG *a = bn_expand_internal(b, words);
                                 ^
    290.           if (!a)
    291.               return NULL;

crypto/bn/bn_lib.c:246:1: <Offset trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `b->top`
      244.   /* This is used by bn_expand2() */
      245.   /* The caller MUST check that words > b->dmax before calling this */
      246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
      247.   {
      248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: <Length trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `*b->d`
      244.   /* This is used by bn_expand2() */
      245.   /* The caller MUST check that words > b->dmax before calling this */
      246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
      247.   {
      248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:271:9: Array access: Offset added: [8, +oo] Size: [0, 536870848] by call to `bn_wexpand` 
      269.       assert(b->top <= words);
      270.       if (b->top > 0)
      271.           memcpy(a, b->d, sizeof(*a) * b->top);
                     ^
      272.   
      273.       return a;
