crypto/bn/bn_prime.c:370: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_div`.
Showing all 20 steps of the trace


crypto/bn/bn_prime.c:362:15: Call
360.   
361.       BN_CTX_start(ctx);
362.       if ((t1 = BN_CTX_get(ctx)) == NULL)
                     ^
363.           goto err;
364.   

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:366:15: Assignment
    364.       a->neg = 0;
    365.       a->d[0] = w;
    366.       a->top = (w ? 1 : 0);
                         ^
    367.       a->flags &= ~BN_FLG_FIXED_TOP;
    368.       bn_check_top(a);

crypto/bn/bn_lib.c:366:5: Assignment
    364.       a->neg = 0;
    365.       a->d[0] = w;
    366.       a->top = (w ? 1 : 0);
               ^
    367.       a->flags &= ~BN_FLG_FIXED_TOP;
    368.       bn_check_top(a);

crypto/bn/bn_prime.c:370:10: Call
368.       /* we need ((rnd-rem) % add) == 0 */
369.   
370.       if (!BN_mod(t1, rnd, add, ctx))
                ^
371.           goto err;
372.       if (!BN_sub(rnd, rnd, t1))

crypto/bn/bn_div.c:209:1: Parameter `*rm->d`
  207.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  208.    */
  209. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  210.              BN_CTX *ctx)
  211.   {

crypto/bn/bn_div.c:229:11: Call
  227.       }
  228.   
  229.       ret = bn_div_fixed_top(dv, rm, num, divisor, ctx);
                   ^
  230.   
  231.       if (ret) {

crypto/bn/bn_div.c:264:1: Parameter `*rm->d`
    262.    *       divisor's length is considered public;
    263.    */
    264. > int bn_div_fixed_top(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,
    265.                        const BIGNUM *divisor, BN_CTX *ctx)
    266.   {

crypto/bn/bn_div.c:449:9: Call
    447.       snum->flags |= BN_FLG_FIXED_TOP;
    448.       if (rm != NULL)
    449.           bn_rshift_fixed_top(rm, snum, norm_shift);
                   ^
    450.       BN_CTX_end(ctx);
    451.       return 1;

crypto/bn/bn_shift.c:214:1: Parameter `*r->d`
      212.    * |n < BN_BITS2| or |n / BN_BITS2| being non-secret.
      213.    */
      214. > int bn_rshift_fixed_top(BIGNUM *r, const BIGNUM *a, int n)
      215.   {
      216.       int i, top, nw;

crypto/bn/bn_shift.c:239:19: Call
      237.       mask |= mask >> 8;
      238.       top = a->top - nw;
      239.       if (r != a && bn_wexpand(r, top) == NULL)
                               ^
      240.           return 0;
      241.   

crypto/bn/bn_lib.c:939:1: Parameter `*a->d`
        937.   }
        938.   
        939. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
        940.   {
        941.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:941:37: Call
        939.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
        940.   {
        941.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                                   ^
        942.   }
        943.   

crypto/bn/bn_lib.c:245:1: Parameter `*b->d`
          243.    */
          244.   
          245. > BIGNUM *bn_expand2(BIGNUM *b, int words)
          246.   {
          247.       if (words > b->dmax) {

crypto/bn/bn_lib.c:248:23: Call
          246.   {
          247.       if (words > b->dmax) {
          248.           BN_ULONG *a = bn_expand_internal(b, words);
                                       ^
          249.           if (!a)
          250.               return NULL;

crypto/bn/bn_lib.c:209:1: <Offset trace>
207.   /* This is used by bn_expand2() */
208.   /* The caller MUST check that words > b->dmax before calling this */
209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
210.   {
211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:209:1: Parameter `b->top`
            207.   /* This is used by bn_expand2() */
            208.   /* The caller MUST check that words > b->dmax before calling this */
            209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
            210.   {
            211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:209:1: <Length trace>
207.   /* This is used by bn_expand2() */
208.   /* The caller MUST check that words > b->dmax before calling this */
209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
210.   {
211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:209:1: Parameter `*b->d`
            207.   /* This is used by bn_expand2() */
            208.   /* The caller MUST check that words > b->dmax before calling this */
            209. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
            210.   {
            211.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:232:9: Array access: Offset added: [8, +oo] Size: [0, 536870848] by call to `BN_div` 
            230.       assert(b->top <= words);
            231.       if (b->top > 0)
            232.           memcpy(a, b->d, sizeof(*a) * b->top);
                           ^
            233.   
            234.       return a;
