crypto/bn/bn_prime.c:457: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_add`.
Showing all 28 steps of the trace


crypto/bn/bn_prime.c:441:10: Call
439.   
440.       /* we now have a random number 'rand' to test. */
441.       if (!BN_lshift1(p, q))
                ^
442.           goto err;
443.       if (!BN_add_word(p, 1))

crypto/bn/bn_shift.c:13:1: Parameter `a->top`
  11.   #include "bn_lcl.h"
  12.   
  13. > int BN_lshift1(BIGNUM *r, const BIGNUM *a)
  14.   {
  15.       register BN_ULONG *ap, *rp, t, c;

crypto/bn/bn_shift.c:25:9: Assignment
  23.           if (bn_wexpand(r, a->top + 1) == NULL)
  24.               return 0;
  25.           r->top = a->top;
                ^
  26.       } else {
  27.           if (bn_wexpand(r, a->top + 1) == NULL)

crypto/bn/bn_prime.c:443:10: Call
441.       if (!BN_lshift1(p, q))
442.           goto err;
443.       if (!BN_add_word(p, 1))
                ^
444.           goto err;
445.   

crypto/bn/bn_word.c:98:1: Parameter `a->top`
  96.   }
  97.   
  98. > int BN_add_word(BIGNUM *a, BN_ULONG w)
  99.   {
  100.       BN_ULONG l;

crypto/bn/bn_prime.c:452:25: Call
450.            * check that for p and q gcd(p-1,primes) == 1 (except for 2)
451.            */
452.           BN_ULONG pmod = BN_mod_word(p, (BN_ULONG)primes[i]);
                               ^
453.           BN_ULONG qmod = BN_mod_word(q, (BN_ULONG)primes[i]);
454.           if (pmod == (BN_ULONG)-1 || qmod == (BN_ULONG)-1)

crypto/bn/bn_word.c:13:1: Parameter `a->top`
  11.   #include "bn_lcl.h"
  12.   
  13. > BN_ULONG BN_mod_word(const BIGNUM *a, BN_ULONG w)
  14.   {
  15.   #ifndef BN_LLONG

crypto/bn/bn_prime.c:457:18: Call
455.               goto err;
456.           if (pmod == 0 || qmod == 0) {
457.               if (!BN_add(p, p, padd))
                        ^
458.                   goto err;
459.               if (!BN_add(q, q, qadd))

crypto/bn/bn_add.c:14:1: Parameter `r->top`
  12.   
  13.   /* r can == a or b */
  14. > int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
  15.   {
  16.       int a_neg = a->neg, ret;

crypto/bn/bn_add.c:51:11: Call
  49.       }
  50.   
  51.       ret = BN_uadd(r, a, b);
                  ^
  52.       r->neg = a_neg;
  53.       bn_check_top(r);

crypto/bn/bn_add.c:58:1: Parameter `r->top`
    56.   
    57.   /* unsigned add of b to a */
    58. > int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
    59.   {
    60.       int max, min, dif;

crypto/bn/bn_add.c:78:9: Call
    76.       dif = max - min;
    77.   
    78.       if (bn_wexpand(r, max + 1) == NULL)
                  ^
    79.           return 0;
    80.   

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

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

crypto/bn/bn_lib.c:273:1: Parameter `b->top`
        271.    */
        272.   
        273. > BIGNUM *bn_expand2(BIGNUM *b, int words)
        274.   {
        275.       bn_check_top(b);

crypto/bn/bn_lib.c:278:23: Call
        276.   
        277.       if (words > b->dmax) {
        278.           BN_ULONG *a = bn_expand_internal(b, words);
                                     ^
        279.           if (!a)
        280.               return NULL;

crypto/bn/bn_lib.c:235:1: <Offset trace>
233.   /* This is used by bn_expand2() */
234.   /* The caller MUST check that words > b->dmax before calling this */
235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
236.   {
237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:235:1: Parameter `b->top`
          233.   /* This is used by bn_expand2() */
          234.   /* The caller MUST check that words > b->dmax before calling this */
          235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
          236.   {
          237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:235:1: <Length trace>
233.   /* This is used by bn_expand2() */
234.   /* The caller MUST check that words > b->dmax before calling this */
235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
236.   {
237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:235:1: Parameter `words`
          233.   /* This is used by bn_expand2() */
          234.   /* The caller MUST check that words > b->dmax before calling this */
          235. > static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
          236.   {
          237.       BN_ULONG *a = NULL;

crypto/bn/bn_lib.c:252:13: Call
          250.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
          251.       else
          252.           a = OPENSSL_zalloc(words * sizeof(*a));
                             ^
          253.       if (a == NULL) {
          254.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/mem.c:218:1: Parameter `num`
            216.   }
            217.   
            218. > void *CRYPTO_zalloc(size_t num, const char *file, int line)
            219.   {
            220.       void *ret = CRYPTO_malloc(num, file, line);

crypto/mem.c:220:17: Call
            218.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
            219.   {
            220.       void *ret = CRYPTO_malloc(num, file, line);
                                   ^
            221.   
            222.       FAILTEST();

crypto/mem.c:198:9: Assignment
              196.   
              197.       if (num == 0)
              198.           return NULL;
                             ^
              199.   
              200.       FAILTEST();

crypto/mem.c:220:5: Assignment
            218.   void *CRYPTO_zalloc(size_t num, const char *file, int line)
            219.   {
            220.       void *ret = CRYPTO_malloc(num, file, line);
                       ^
            221.   
            222.       FAILTEST();

crypto/mem.c:225:5: Assignment
            223.       if (ret != NULL)
            224.           memset(ret, 0, num);
            225.       return ret;
                       ^
            226.   }
            227.   

crypto/bn/bn_lib.c:252:9: Assignment
          250.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
          251.       else
          252.           a = OPENSSL_zalloc(words * sizeof(*a));
                         ^
          253.       if (a == NULL) {
          254.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_lib.c:260:9: Array access: Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_add` 
          258.       assert(b->top <= words);
          259.       if (b->top > 0)
          260.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          261.   
          262.       return a;
