crypto/dsa/dsa_ossl.c:95: error: BUFFER_OVERRUN_L3
  Offset: [-1, +oo] Size: [1, +oo] by call to `BN_mod_mul`.
Showing all 17 steps of the trace


crypto/dsa/dsa_ossl.c:81:10: Call
79.           goto err;
80.    redo:
81.       if (!dsa_sign_setup(dsa, ctx, &kinv, &ret->r, dgst, dlen))
               ^
82.           goto err;
83.   

crypto/dsa/dsa_ossl.c:133:1: Parameter `ctx_in->stack.depth`
  131.   }
  132.   
  133. > static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in,
  134.                             BIGNUM **kinvp, BIGNUM **rp,
  135.                             const unsigned char *dgst, int dlen)

crypto/dsa/dsa_ossl.c:95:10: Call
93.   
94.       /* Compute  s = inv(k) (m + xr) mod q */
95.       if (!BN_mod_mul(xr, dsa->priv_key, ret->r, dsa->q, ctx))
               ^
96.           goto err;               /* s = xr */
97.       if (!BN_add(ret->s, xr, m))

crypto/bn/bn_mod.c:73:1: Parameter `ctx->stack.depth`
  71.   
  72.   /* slow but works */
  73. > int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,
  74.                  BN_CTX *ctx)
  75.   {

crypto/bn/bn_mod.c:83:5: Call
  81.       bn_check_top(m);
  82.   
  83.       BN_CTX_start(ctx);
            ^
  84.       if ((t = BN_CTX_get(ctx)) == NULL)
  85.           goto err;

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_mod.c:90:14: Call
  88.               goto err;
  89.       } else {
  90.           if (!BN_mul(t, a, b, ctx))
                     ^
  91.               goto err;
  92.       }

crypto/bn/bn_mul.c:855:5: Call
    853.       top = al + bl;
    854.   
    855.       BN_CTX_start(ctx);
               ^
    856.       if ((r == a) || (r == b)) {
    857.           if ((rr = BN_CTX_get(ctx)) == NULL)

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_mul.c:979:5: Call
    977.    err:
    978.       bn_check_top(r);
    979.       BN_CTX_end(ctx);
               ^
    980.       return (ret);
    981.   }

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_mul` 
        271.   static unsigned int BN_STACK_pop(BN_STACK *st)
        272.   {
        273.       return st->indexes[--(st->depth)];
                          ^
        274.   }
        275.   
