crypto/bn/bn_prime.c:90: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `probable_prime_dh_safe`.
Showing all 22 steps of the trace


crypto/bn/bn_prime.c:52:1: Parameter `ret->top`
50.   }
51.   
52. > int BN_generate_prime_ex(BIGNUM *ret, int bits, int safe,
53.                            const BIGNUM *add, const BIGNUM *rem, BN_GENCB *cb)
54.   {

crypto/bn/bn_prime.c:90:18: Call
88.       } else {
89.           if (safe) {
90.               if (!probable_prime_dh_safe(ret, bits, add, rem, ctx))
                       ^
91.                   goto err;
92.           } else {

crypto/bn/bn_prime.c:404:1: Parameter `p->top`
  402.   }
  403.   
  404. > static int probable_prime_dh_safe(BIGNUM *p, int bits, const BIGNUM *padd,
  405.                                     const BIGNUM *rem, BN_CTX *ctx)
  406.   {

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:13:1: Parameter `r->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:23:13: Call
    21.       if (r != a) {
    22.           r->neg = a->neg;
    23.           if (bn_wexpand(r, a->top + 1) == NULL)
                      ^
    24.               return 0;
    25.           r->top = a->top;

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

crypto/bn/bn_lib.c:944:37: Call
      942.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
      943.   {
      944.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                                 ^
      945.   }
      946.   

crypto/bn/bn_lib.c:244:1: Parameter `b->top`
        242.    */
        243.   
        244. > BIGNUM *bn_expand2(BIGNUM *b, int words)
        245.   {
        246.       if (words > b->dmax) {

crypto/bn/bn_lib.c:247:23: Call
        245.   {
        246.       if (words > b->dmax) {
        247.           BN_ULONG *a = bn_expand_internal(b, words);
                                     ^
        248.           if (!a)
        249.               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:223:13: Call
          221.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
          222.       else
          223.           a = OPENSSL_zalloc(words * sizeof(*a));
                             ^
          224.       if (a == NULL) {
          225.           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:223:9: Assignment
          221.           a = OPENSSL_secure_zalloc(words * sizeof(*a));
          222.       else
          223.           a = OPENSSL_zalloc(words * sizeof(*a));
                         ^
          224.       if (a == NULL) {
          225.           BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);

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