crypto/bn/bn_prime.c:256: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_mod_mul`.
Showing all 35 steps of the trace


crypto/bn/bn_prime.c:249:10: Call
247.                      BN_MONT_CTX *mont)
248.   {
249.       if (!BN_mod_exp_mont(w, w, a1_odd, a, ctx, mont)) /* w := w^a1_odd mod a */
                ^
250.           return -1;
251.       if (BN_is_one(w))

crypto/bn/bn_exp.c:296:1: Parameter `a->top`
  294.   }
  295.   
  296. > int BN_mod_exp_mont(BIGNUM *rr, const BIGNUM *a, const BIGNUM *p,
  297.                       const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont)
  298.   {

crypto/bn/bn_prime.c:251:9: Call
249.       if (!BN_mod_exp_mont(w, w, a1_odd, a, ctx, mont)) /* w := w^a1_odd mod a */
250.           return -1;
251.       if (BN_is_one(w))
               ^
252.           return 0;               /* probably prime */
253.       if (BN_cmp(w, a1) == 0)

crypto/bn/bn_lib.c:848:1: Parameter `a->top`
  846.   }
  847.   
  848. > int BN_is_one(const BIGNUM *a)
  849.   {
  850.       return BN_abs_is_word(a, 1) && !a->neg;

crypto/bn/bn_lib.c:850:12: Call
  848.   int BN_is_one(const BIGNUM *a)
  849.   {
  850.       return BN_abs_is_word(a, 1) && !a->neg;
                    ^
  851.   }
  852.   

crypto/bn/bn_lib.c:838:1: Parameter `a->top`
    836.   }
    837.   
    838. > int BN_abs_is_word(const BIGNUM *a, const BN_ULONG w)
    839.   {
    840.       return ((a->top == 1) && (a->d[0] == w)) || ((w == 0) && (a->top == 0));

crypto/bn/bn_prime.c:253:9: Call
251.       if (BN_is_one(w))
252.           return 0;               /* probably prime */
253.       if (BN_cmp(w, a1) == 0)
               ^
254.           return 0;               /* w == -1 (mod a), 'a' is probably prime */
255.       while (--k) {

crypto/bn/bn_lib.c:561:1: Parameter `a->top`
  559.   }
  560.   
  561. > int BN_cmp(const BIGNUM *a, const BIGNUM *b)
  562.   {
  563.       int i;

crypto/bn/bn_prime.c:256:14: Call
254.           return 0;               /* w == -1 (mod a), 'a' is probably prime */
255.       while (--k) {
256.           if (!BN_mod_mul(w, w, w, a, ctx)) /* w := w^2 mod a */
                    ^
257.               return -1;
258.           if (BN_is_one(w))

crypto/bn/bn_mod.c:193:1: Parameter `r->top`
  191.   
  192.   /* slow but works */
  193. > int BN_mod_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m,
  194.                  BN_CTX *ctx)
  195.   {

crypto/bn/bn_mod.c:213:10: Call
  211.               goto err;
  212.       }
  213.       if (!BN_nnmod(r, t, m, ctx))
                  ^
  214.           goto err;
  215.       bn_check_top(r);

crypto/bn/bn_mod.c:13:1: Parameter `r->top`
    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:209:1: Parameter `rm->top`
      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->top`
        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->top`
          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->top`
            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->top`
              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 `words`
                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:224:13: Call
                222.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
                223.       else
                224.           a = OPENSSL_zalloc(words * sizeof(*a));
                                   ^
                225.       if (a == NULL) {
                226.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:228:1: Parameter `num`
                  226.   }
                  227.   
                  228. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
                  229.   {
                  230.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:230:17: Call
                  228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
                  229.   {
                  230.       void *ret = CRYPTO_malloc(num, file, line);
                                         ^
                  231.   
                  232.       FAILTEST();

crypto/mem.c:201:9: Assignment
                    199.   
                    200.       if (num == 0)
                    201.           return NULL;
                                   ^
                    202.   
                    203.       FAILTEST();

crypto/mem.c:230:5: Assignment
                  228.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
                  229.   {
                  230.       void *ret = CRYPTO_malloc(num, file, line);
                             ^
                  231.   
                  232.       FAILTEST();

crypto/mem.c:235:5: Assignment
                  233.       if (ret != NULL)
                  234.           memset(ret, 0, num);
                  235.       return ret;
                             ^
                  236.   }
                  237.   

crypto/bn/bn_lib.c:224:9: Assignment
                222.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
                223.       else
                224.           a = OPENSSL_zalloc(words * sizeof(*a));
                               ^
                225.       if (a == NULL) {
                226.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:232:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_mod_mul` 
                230.       assert(b->top <= words);
                231.       if (b->top > 0)
                232.           memcpy(a, b->d, sizeof(*a) * b->top);
                               ^
                233.   
                234.       return a;
