crypto/rsa/rsa_sp800_56b_gen.c:196: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `rsa_get_lcm`.
Showing all 27 steps of the trace


crypto/rsa/rsa_sp800_56b_gen.c:187:10: Call
185.   
186.       BN_CTX_start(ctx);
187.       p1 = BN_CTX_get(ctx);
                ^
188.       q1 = BN_CTX_get(ctx);
189.       lcm = BN_CTX_get(ctx);

crypto/bn/bn_ctx.c:219:5: Call
  217.       }
  218.       /* OK, make sure the returned bignum is "zero" */
  219.       BN_zero(ret);
             ^
  220.       /* clear BN_FLG_CONSTTIME if leaked from previous frames */
  221.       ret->flags &= (~BN_FLG_CONSTTIME);

crypto/bn/bn_lib.c:366:15: Assignment
    364.       a->neg = 0;
    365.       a->d[0] = w;
    366.       a->top = (w ? 1 : 0);
                         ^
    367.       a->flags &= ~BN_FLG_FIXED_TOP;
    368.       bn_check_top(a);

crypto/bn/bn_lib.c:366:5: Assignment
    364.       a->neg = 0;
    365.       a->d[0] = w;
    366.       a->top = (w ? 1 : 0);
               ^
    367.       a->flags &= ~BN_FLG_FIXED_TOP;
    368.       bn_check_top(a);

crypto/rsa/rsa_sp800_56b_gen.c:196:9: Call
194.   
195.       /* LCM((p-1, q-1)) */
196.       if (rsa_get_lcm(ctx, rsa->p, rsa->q, lcm, gcd, p1, q1, p1q1) != 1)
               ^
197.           goto err;
198.   

crypto/rsa/rsa_sp800_56b_check.c:220:1: Parameter `p1->top`
  218.   
  219.   /* return LCM(p-1, q-1) */
  220. > int rsa_get_lcm(BN_CTX *ctx, const BIGNUM *p, const BIGNUM *q,
  221.                   BIGNUM *lcm, BIGNUM *gcd, BIGNUM *p1, BIGNUM *q1,
  222.                   BIGNUM *p1q1)

crypto/rsa/rsa_sp800_56b_check.c:224:12: Call
  222.                   BIGNUM *p1q1)
  223.   {
  224.       return BN_sub(p1, p, BN_value_one())    /* p-1 */
                    ^
  225.              && BN_sub(q1, q, BN_value_one()) /* q-1 */
  226.              && BN_mul(p1q1, p1, q1, ctx)     /* (p-1)(q-1) */

crypto/bn/bn_add.c:45:1: Parameter `r->top`
    43.   
    44.   /* signed sub of b from a. */
    45. > int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
    46.   {
    47.       int ret, r_neg, cmp_res;

crypto/bn/bn_add.c:62:19: Call
    60.           } else if (cmp_res < 0) {
    61.               r_neg = !b->neg;
    62.               ret = BN_usub(r, b, a);
                            ^
    63.           } else {
    64.               r_neg = 0;

crypto/bn/bn_add.c:125:1: Parameter `r->top`
      123.   
      124.   /* unsigned subtraction of b from a, a must be larger than b. */
      125. > int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b)
      126.   {
      127.       int max, min, dif;

crypto/bn/bn_add.c:143:9: Call
      141.       }
      142.   
      143.       if (bn_wexpand(r, max) == NULL)
                     ^
      144.           return 0;
      145.   

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