crypto/rsa/rsa_crpt.c:98: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_sub`.
Showing all 18 steps of the trace


crypto/rsa/rsa_crpt.c:92:10: Call
90.   
91.       BN_CTX_start(ctx);
92.       r0 = BN_CTX_get(ctx);
               ^
93.       r1 = BN_CTX_get(ctx);
94.       r2 = 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: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/rsa/rsa_crpt.c:98:10: Call
96.           goto err;
97.   
98.       if (!BN_sub(r1, p, BN_value_one()))
                ^
99.           goto err;
100.       if (!BN_sub(r2, q, BN_value_one()))

crypto/bn/bn_add.c:150:1: Parameter `*r->d`
  148.   }
  149.   
  150. > int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
  151.   {
  152.       int max;

crypto/bn/bn_add.c:183:14: Call
  181.   
  182.       if (add) {
  183.           if (!BN_uadd(r, a, b))
                      ^
  184.               return 0;
  185.           r->neg = neg;

crypto/bn/bn_add.c:58:1: Parameter `*r->d`
    56.   
    57.   /* unsigned add of b to a */
    58. > int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
    59.   {
    60.       int max, min, dif;

crypto/bn/bn_add.c:78:9: Call
    76.       dif = max - min;
    77.   
    78.       if (bn_wexpand(r, max + 1) == NULL)
                  ^
    79.           return 0;
    80.   

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_sub` 
          269.       assert(b->top <= words);
          270.       if (b->top > 0)
          271.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          272.   
          273.       return a;
