crypto/bn/bn_prime.c:456: 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:440:10: Call
438.   
439.       /* we now have a random number 'rand' to test. */
440.       if (!BN_lshift1(p, q))
                ^
441.           goto err;
442.       if (!BN_add_word(p, 1))

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

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

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

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:451:25: Call
449.            * check that for p and q gcd(p-1,primes) == 1 (except for 2)
450.            */
451.           BN_ULONG pmod = BN_mod_word(p, (BN_ULONG)primes[i]);
                               ^
452.           BN_ULONG qmod = BN_mod_word(q, (BN_ULONG)primes[i]);
453.           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:456:18: Call
454.               goto err;
455.           if (pmod == 0 || qmod == 0) {
456.               if (!BN_add(p, p, padd))
                        ^
457.                   goto err;
458.               if (!BN_add(q, q, qadd))

crypto/bn/bn_add.c:14:1: Parameter `r->top`
  12.   
  13.   /* signed add of b to a. */
  14. > int BN_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
  15.   {
  16.       int ret, r_neg, cmp_res;

crypto/bn/bn_add.c:23:15: Call
  21.       if (a->neg == b->neg) {
  22.           r_neg = a->neg;
  23.           ret = BN_uadd(r, a, b);
                      ^
  24.       } else {
  25.           cmp_res = BN_ucmp(a, b);

crypto/bn/bn_add.c:76:1: Parameter `r->top`
    74.   
    75.   /* unsigned add of b to a, r can be equal to a or b. */
    76. > int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
    77.   {
    78.       int max, min, dif;

crypto/bn/bn_add.c:96:9: Call
    94.       dif = max - min;
    95.   
    96.       if (bn_wexpand(r, max + 1) == NULL)
                  ^
    97.           return 0;
    98.   

crypto/bn/bn_lib.c:960:1: Parameter `a->top`
      958.   }
      959.   
      960. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
      961.   {
      962.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:962:37: Call
      960.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
      961.   {
      962.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                                 ^
      963.   }
      964.   

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_add` 
          230.       assert(b->top <= words);
          231.       if (b->top > 0)
          232.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          233.   
          234.       return a;
