crypto/bn/bn_gcd.c:609: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_nnmod`.
Showing all 26 steps of the trace


crypto/bn/bn_gcd.c:458:1: Parameter `in->top`
456.    * not contain branches that may leak sensitive information.
457.    */
458. > static BIGNUM *BN_mod_inverse_no_branch(BIGNUM *in,
459.                                           const BIGNUM *a, const BIGNUM *n,
460.                                           BN_CTX *ctx)

crypto/bn/bn_gcd.c:609:18: Call
607.                   goto err;
608.           } else {
609.               if (!BN_nnmod(R, Y, n, ctx))
                        ^
610.                   goto err;
611.           }

crypto/bn/bn_mod.c:13:1: Parameter `r->top`
  11.   #include "bn_lcl.h"
  12.   
  13. > int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
  14.   {
  15.       /*

crypto/bn/bn_mod.c:20:11: Call
  18.        */
  19.   
  20.       if (!(BN_mod(r, m, d, ctx)))
                  ^
  21.           return 0;
  22.       if (!r->neg)

crypto/bn/bn_div.c:209:1: Parameter `rm->top`
    207.    * If 'dv' or 'rm' is NULL, the respective value is not returned.
    208.    */
    209. > int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
    210.              BN_CTX *ctx)
    211.   {

crypto/bn/bn_div.c:229:11: Call
    227.       }
    228.   
    229.       ret = bn_div_fixed_top(dv, rm, num, divisor, ctx);
                     ^
    230.   
    231.       if (ret) {

crypto/bn/bn_div.c:264:1: Parameter `rm->top`
      262.    *       divisor's length is considered public;
      263.    */
      264. > int bn_div_fixed_top(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num,
      265.                        const BIGNUM *divisor, BN_CTX *ctx)
      266.   {

crypto/bn/bn_div.c:449:9: Call
      447.       snum->flags |= BN_FLG_FIXED_TOP;
      448.       if (rm != NULL)
      449.           bn_rshift_fixed_top(rm, snum, norm_shift);
                     ^
      450.       BN_CTX_end(ctx);
      451.       return 1;

crypto/bn/bn_shift.c:214:1: Parameter `r->top`
        212.    * |n < BN_BITS2| or |n / BN_BITS2| being non-secret.
        213.    */
        214. > int bn_rshift_fixed_top(BIGNUM *r, const BIGNUM *a, int n)
        215.   {
        216.       int i, top, nw;

crypto/bn/bn_shift.c:239:19: Call
        237.       mask |= mask >> 8;
        238.       top = a->top - nw;
        239.       if (r != a && bn_wexpand(r, top) == NULL)
                                 ^
        240.           return 0;
        241.   

crypto/bn/bn_lib.c:939:1: Parameter `a->top`
          937.   }
          938.   
          939. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
          940.   {
          941.       return (words <= a->dmax) ? a : bn_expand2(a, words);

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

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