crypto/ec/ecp_smpl.c:1263: error: BUFFER_OVERRUN_L3
  Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_inverse`.
Showing all 24 steps of the trace


crypto/ec/ecp_smpl.c:1195:1: Parameter `ctx->stack.depth`
1193.   }
1194.   
1195. > int ec_GFp_simple_points_make_affine(const EC_GROUP *group, size_t num,
1196.                                        EC_POINT *points[], BN_CTX *ctx)
1197.   {

crypto/ec/ecp_smpl.c:1213:5: Call
1211.       }
1212.   
1213.       BN_CTX_start(ctx);
            ^
1214.       tmp = BN_CTX_get(ctx);
1215.       tmp_Z = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:181:1: Parameter `ctx->stack.depth`
  179.   }
  180.   
  181. > void BN_CTX_start(BN_CTX *ctx)
  182.   {
  183.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/ec/ecp_smpl.c:1263:10: Call
1261.        */
1262.   
1263.       if (!BN_mod_inverse(tmp, prod_Z[num - 1], group->field, ctx)) {
                 ^
1264.           ECerr(EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE, ERR_R_BN_LIB);
1265.           goto err;

crypto/bn/bn_gcd.c:124:1: Parameter `ctx->stack.depth`
  122.                                           BN_CTX *ctx);
  123.   
  124. > BIGNUM *BN_mod_inverse(BIGNUM *in,
  125.                          const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx)
  126.   {

crypto/bn/bn_gcd.c:129:10: Call
  127.       BIGNUM *rv;
  128.       int noinv;
  129.       rv = int_bn_mod_inverse(in, a, n, ctx, &noinv);
                  ^
  130.       if (noinv)
  131.           BNerr(BN_F_BN_MOD_INVERSE, BN_R_NO_INVERSE);

crypto/bn/bn_gcd.c:135:1: Parameter `ctx->stack.depth`
    133.   }
    134.   
    135. > BIGNUM *int_bn_mod_inverse(BIGNUM *in,
    136.                              const BIGNUM *a, const BIGNUM *n, BN_CTX *ctx,
    137.                              int *pnoinv)

crypto/bn/bn_gcd.c:148:16: Call
    146.       if ((BN_get_flags(a, BN_FLG_CONSTTIME) != 0)
    147.           || (BN_get_flags(n, BN_FLG_CONSTTIME) != 0)) {
    148.           return BN_mod_inverse_no_branch(in, a, n, ctx);
                          ^
    149.       }
    150.   

crypto/bn/bn_gcd.c:451:1: Parameter `ctx->stack.depth`
      449.    * not contain branches that may leak sensitive information.
      450.    */
      451. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
      452.                                           const BIGNUM *a, const BIGNUM *n,
      453.                                           BN_CTX *ctx)

crypto/bn/bn_gcd.c:462:5: Call
      460.       bn_check_top(n);
      461.   
      462.       BN_CTX_start(ctx);
                 ^
      463.       A = BN_CTX_get(ctx);
      464.       B = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:181:1: Parameter `ctx->stack.depth`
        179.   }
        180.   
        181. > void BN_CTX_start(BN_CTX *ctx)
        182.   {
        183.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_gcd.c:497:18: Call
      495.               bn_init(&local_B);
      496.               BN_with_flags(&local_B, B, BN_FLG_CONSTTIME);
      497.               if (!BN_nnmod(B, &local_B, A, ctx))
                              ^
      498.                   goto err;
      499.               /* Ensure local_B goes out of scope before any further use of B */

crypto/bn/bn_mod.c:13:1: Parameter `ctx->stack.depth`
        11.   #include "bn_lcl.h"
        12.   
        13. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
        14.   {
        15.       /*

crypto/bn/bn_mod.c:20:11: Call
        18.        */
        19.   
        20.       if (!(BN_mod(r, m, d, ctx)))
                        ^
        21.           return 0;
        22.       if (!r->neg)

crypto/bn/bn_div.c:193:5: Call
          191.       }
          192.   
          193.       BN_CTX_start(ctx);
                     ^
          194.       res = (dv == NULL) ? BN_CTX_get(ctx) : dv;
          195.       tmp = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:181:1: Parameter `*ctx->stack.indexes`
            179.   }
            180.   
            181. > void BN_CTX_start(BN_CTX *ctx)
            182.   {
            183.       CTXDBG_ENTRY("BN_CTX_start", ctx);

crypto/bn/bn_div.c:413:5: Call
          411.       if (no_branch)
          412.           bn_correct_top(res);
          413.       BN_CTX_end(ctx);
                     ^
          414.       return 1;
          415.    err:

crypto/bn/bn_ctx.c:195:1: Parameter `*ctx->stack.indexes`
            193.   }
            194.   
            195. > void BN_CTX_end(BN_CTX *ctx)
            196.   {
            197.       CTXDBG_ENTRY("BN_CTX_end", ctx);

crypto/bn/bn_ctx.c:201:27: Call
            199.           ctx->err_stack--;
            200.       else {
            201.           unsigned int fp = BN_STACK_pop(&ctx->stack);
                                             ^
            202.           /* Does this stack frame have anything to release? */
            203.           if (fp < ctx->used)

crypto/bn/bn_ctx.c:271:1: <Offset trace>
269.   }
270.   
271. > static unsigned int BN_STACK_pop(BN_STACK *st)
272.   {
273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:271:1: Parameter `st->depth`
              269.   }
              270.   
              271. > static unsigned int BN_STACK_pop(BN_STACK *st)
              272.   {
              273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:271:1: <Length trace>
269.   }
270.   
271. > static unsigned int BN_STACK_pop(BN_STACK *st)
272.   {
273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:271:1: Parameter `*st->indexes`
              269.   }
              270.   
              271. > static unsigned int BN_STACK_pop(BN_STACK *st)
              272.   {
              273.       return st->indexes[--(st->depth)];

crypto/bn/bn_ctx.c:273:12: Array access: Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_inverse` 
              271.   static unsigned int BN_STACK_pop(BN_STACK *st)
              272.   {
              273.       return st->indexes[--(st->depth)];
                                ^
              274.   }
              275.   
