crypto/dh/dh_check.c:164: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_rshift1`.
Showing all 21 steps of the trace


crypto/dh/dh_check.c:136:14: Call
134.               *ret |= DH_CHECK_Q_NOT_PRIME;
135.           /* Check p == 1 mod q  i.e. q divides p - 1 */
136.           if (!BN_div(t1, t2, dh->p, dh->q, ctx))
                    ^
137.               goto err;
138.           if (!BN_is_one(t2))

crypto/bn/bn_div.c:137:1: Parameter `dv->top`
  135.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
  136.    */
  137. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
  138.              BN_CTX *ctx)
  139.   {

crypto/dh/dh_check.c:164:14: Call
162.           *ret |= DH_CHECK_P_NOT_PRIME;
163.       else if (!dh->q) {
164.           if (!BN_rshift1(t1, dh->p))
                    ^
165.               goto err;
166.           r = BN_is_prime_ex(t1, BN_prime_checks, ctx, NULL);

crypto/bn/bn_shift.c:46:1: Parameter `r->top`
  44.   }
  45.   
  46. > int BN_rshift1(BIGNUM *r, const BIGNUM *a)
  47.   {
  48.       BN_ULONG *ap, *rp, t, c;

crypto/bn/bn_shift.c:62:13: Call
  60.       j = i - (ap[i - 1] == 1);
  61.       if (a != r) {
  62.           if (bn_wexpand(r, j) == NULL)
                    ^
  63.               return 0;
  64.           r->neg = a->neg;

crypto/bn/bn_lib.c:941:1: Parameter `a->top`
    939.   }
    940.   
    941. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
    942.   {
    943.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:943:37: Call
    941.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
    942.   {
    943.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                               ^
    944.   }
    945.   

crypto/bn/bn_lib.c:246:1: Parameter `b->top`
      244.    */
      245.   
      246. > BIGNUM *bn_expand2(BIGNUM *b, int words)
      247.   {
      248.       bn_check_top(b);

crypto/bn/bn_lib.c:251:23: Call
      249.   
      250.       if (words > b->dmax) {
      251.           BN_ULONG *a = bn_expand_internal(b, words);
                                   ^
      252.           if (!a)
      253.               return NULL;

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

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

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

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

crypto/bn/bn_lib.c:225:13: Call
        223.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        224.       else
        225.           a = OPENSSL_zalloc(words * sizeof(*a));
                           ^
        226.       if (a == NULL) {
        227.           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:225:9: Assignment
        223.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        224.       else
        225.           a = OPENSSL_zalloc(words * sizeof(*a));
                       ^
        226.       if (a == NULL) {
        227.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:233:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_rshift1` 
        231.       assert(b->top <= words);
        232.       if (b->top > 0)
        233.           memcpy(a, b->d, sizeof(*a) * b->top);
                       ^
        234.   
        235.       return a;
