crypto/ec/ecp_oct.c:156: error: BUFFER_OVERRUN_L3
  Offset: [3, +oo] (⇐ [0, +oo] + 3) Size: [0, 8388607] by call to `BN_mod_sqrt`.
Showing all 18 steps of the trace


crypto/ec/ecp_oct.c:92:12: Call
90.   
91.       BN_CTX_start(ctx);
92.       tmp1 = BN_CTX_get(ctx);
                 ^
93.       tmp2 = BN_CTX_get(ctx);
94.       x = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:284:5: Call
  282.       }
  283.       /* OK, make sure the returned bignum is "zero" */
  284.       BN_zero(ret);
             ^
  285.       ctx->used++;
  286.       CTXDBG_RET(ctx, ret);

crypto/bn/bn_lib.c:530:1: Parameter `*a->d`
    528.   }
    529.   
    530. > int BN_set_word(BIGNUM *a, BN_ULONG w)
    531.   {
    532.       bn_check_top(a);

crypto/ec/ecp_oct.c:156:10: Call
154.       }
155.   
156.       if (!BN_mod_sqrt(y, tmp1, group->field, ctx)) {
                ^
157.           unsigned long err = ERR_peek_last_error();
158.   

crypto/bn/bn_sqrt.c:63:1: Parameter `*in->d`
  61.   #include "bn_lcl.h"
  62.   
  63. > BIGNUM *BN_mod_sqrt(BIGNUM *in, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx)
  64.   /*
  65.    * Returns 'ret' such that ret^2 == a (mod p), using the Tonelli/Shanks

crypto/bn/bn_sqrt.c:148:14: Call
  146.           if (!BN_add_word(q, 1))
  147.               goto end;
  148.           if (!BN_mod_exp(ret, A, q, p, ctx))
                      ^
  149.               goto end;
  150.           err = 0;

crypto/bn/bn_exp.c:191:1: Parameter `*r->d`
    189.   }
    190.   
    191. > int BN_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m,
    192.                  BN_CTX *ctx)
    193.   {

crypto/bn/bn_exp.c:248:19: Call
    246.               && (BN_get_flags(p, BN_FLG_CONSTTIME) == 0)) {
    247.               BN_ULONG A = a->d[0];
    248.               ret = BN_mod_exp_mont_word(r, A, p, m, ctx, NULL);
                             ^
    249.           } else
    250.   # endif

crypto/bn/bn_exp.c:1152:1: Parameter `*rr->d`
      1150.   }
      1151.   
      1152. > int BN_mod_exp_mont_word(BIGNUM *rr, BN_ULONG a, const BIGNUM *p,
      1153.                            const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
      1154.   {

crypto/bn/bn_exp.c:1199:13: Call
      1197.           if (BN_is_one(m)) {
      1198.               ret = 1;
      1199.               BN_zero(rr);
                          ^
      1200.           } else {
      1201.               ret = BN_one(rr);

crypto/bn/bn_lib.c:530:1: Parameter `*a->d`
        528.   }
        529.   
        530. > int BN_set_word(BIGNUM *a, BN_ULONG w)
        531.   {
        532.       bn_check_top(a);

crypto/bn/bn_lib.c:533:9: Call
        531.   {
        532.       bn_check_top(a);
        533.       if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
                       ^
        534.           return (0);
        535.       a->neg = 0;

crypto/bn/bn_lib.c:390:1: Parameter `*b->d`
          388.    */
          389.   
          390. > BIGNUM *bn_expand2(BIGNUM *b, int words)
          391.   {
          392.       bn_check_top(b);

crypto/bn/bn_lib.c:395:23: Call
          393.   
          394.       if (words > b->dmax) {
          395.           BN_ULONG *a = bn_expand_internal(b, words);
                                       ^
          396.           if (!a)
          397.               return NULL;

crypto/bn/bn_lib.c:300:1: <Length trace>
298.   /* This is used by bn_expand2() */
299.   /* The caller MUST check that words > b->dmax before calling this */
300. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
301.   {
302.       BN_ULONG *A, *a = NULL;

crypto/bn/bn_lib.c:300:1: Parameter `*b->d`
            298.   /* This is used by bn_expand2() */
            299.   /* The caller MUST check that words > b->dmax before calling this */
            300. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
            301.   {
            302.       BN_ULONG *A, *a = NULL;

crypto/bn/bn_lib.c:335:5: Assignment
            333.   
            334.   #if 1
            335.       B = b->d;
                       ^
            336.       /* Check if the previous number needs to be copied */
            337.       if (B != NULL) {

crypto/bn/bn_lib.c:352:18: Array access: Offset: [3, +oo] (⇐ [0, +oo] + 3) Size: [0, 8388607] by call to `BN_mod_sqrt` 
            350.               a1 = B[1];
            351.               a2 = B[2];
            352.               a3 = B[3];
                                    ^
            353.               A[0] = a0;
            354.               A[1] = a1;
