apps/s_client.c:285: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_rshift1`.
Showing all 24 steps of the trace


apps/s_client.c:284:9: Call
282.       int ret =
283.           g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
284.           BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
               ^
285.           p != NULL && BN_rshift1(p, N) &&
286.           /* p = (N-1)/2 */

crypto/bn/bn_prime.c:148:12: Call
  146.                      BN_GENCB *cb)
  147.   {
  148.       return BN_is_prime_fasttest_ex(a, checks, ctx_passed, 0, cb);
                    ^
  149.   }
  150.   

crypto/bn/bn_prime.c:215:10: Call
    213.       if (mont == NULL)
    214.           goto err;
    215.       if (!BN_MONT_CTX_set(mont, a, ctx))
                    ^
    216.           goto err;
    217.   

crypto/bn/bn_mont.c:338:14: Call
      336.                   goto err;       /* Ri-- (mod word size) */
      337.           }
      338.           if (!BN_div(Ri, NULL, Ri, &tmod, ctx))
                          ^
      339.               goto err;
      340.           /*

crypto/bn/bn_div.c:140:1: Parameter `rm->top`
        138.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
        139.    */
        140. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
        141.              BN_CTX *ctx)
        142.   {

apps/s_client.c:285:22: Call
283.           g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
284.           BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
285.           p != NULL && BN_rshift1(p, N) &&
                            ^
286.           /* p = (N-1)/2 */
287.           BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&

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:948:1: Parameter `a->top`
    946.   }
    947.   
    948. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
    949.   {
    950.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:950:37: Call
    948.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
    949.   {
    950.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                               ^
    951.   }
    952.   

crypto/bn/bn_lib.c:284:1: Parameter `b->top`
      282.    */
      283.   
      284. > BIGNUM *bn_expand2(BIGNUM *b, int words)
      285.   {
      286.       bn_check_top(b);

crypto/bn/bn_lib.c:289:23: Call
      287.   
      288.       if (words > b->dmax) {
      289.           BN_ULONG *a = bn_expand_internal(b, words);
                                   ^
      290.           if (!a)
      291.               return NULL;

crypto/bn/bn_lib.c:246:1: <Offset trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `b->top`
        244.   /* This is used by bn_expand2() */
        245.   /* The caller MUST check that words > b->dmax before calling this */
        246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
        247.   {
        248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: <Length trace>
244.   /* This is used by bn_expand2() */
245.   /* The caller MUST check that words > b->dmax before calling this */
246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
247.   {
248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:246:1: Parameter `words`
        244.   /* This is used by bn_expand2() */
        245.   /* The caller MUST check that words > b->dmax before calling this */
        246. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
        247.   {
        248.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:263:13: Call
        261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        262.       else
        263.           a = OPENSSL_zalloc(words * sizeof(*a));
                           ^
        264.       if (a == NULL) {
        265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:197:1: Parameter `num`
          195.   }
          196.   
          197. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
          198.   {
          199.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:199:17: Call
          197.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
          198.   {
          199.       void *ret = CRYPTO_malloc(num, file, line);
                                 ^
          200.   
          201.       FAILTEST();

crypto/mem.c:177:9: Assignment
            175.   
            176.       if (num == 0)
            177.           return NULL;
                           ^
            178.   
            179.       FAILTEST();

crypto/mem.c:199:5: Assignment
          197.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
          198.   {
          199.       void *ret = CRYPTO_malloc(num, file, line);
                     ^
          200.   
          201.       FAILTEST();

crypto/mem.c:204:5: Assignment
          202.       if (ret != NULL)
          203.           memset(ret, 0, num);
          204.       return ret;
                     ^
          205.   }
          206.   

crypto/bn/bn_lib.c:263:9: Assignment
        261.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
        262.       else
        263.           a = OPENSSL_zalloc(words * sizeof(*a));
                       ^
        264.       if (a == NULL) {
        265.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:271:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_rshift1` 
        269.       assert(b->top <= words);
        270.       if (b->top > 0)
        271.           memcpy(a, b->d, sizeof(*a) * b->top);
                       ^
        272.   
        273.       return a;
