test/bntest.c:1274: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `BN_rshift`.
Showing all 23 steps of the trace


test/bntest.c:1269:17: Call
1267.   
1268.       if (!TEST_ptr(a = getBN(s, "A"))
1269.               || !TEST_ptr(rshift = getBN(s, "RShift"))
                        ^
1270.               || !TEST_ptr(ret = BN_new())
1271.               || !getint(s, &n, "N"))

test/bntest.c:107:9: Call
  105.       }
  106.   
  107.       if (parseBN(&ret, hex) != (int)strlen(hex)) {
                 ^
  108.           TEST_error("Could not decode '%s'", hex);
  109.           return NULL;

test/bntest.c:88:12: Call
    86.   {
    87.       *out = NULL;
    88.       return BN_hex2bn(out, in);
                     ^
    89.   }
    90.   

crypto/bn/bn_conv.c:126:1: Parameter `(*bn)->top`
      124.   #endif
      125.   
      126. > int BN_hex2bn(BIGNUM **bn, const char *a)
      127.   {
      128.       BIGNUM *ret = NULL;

test/bntest.c:1274:10: Call
1272.           goto err;
1273.   
1274.       if (!TEST_true(BN_rshift(ret, a, n))
                 ^
1275.               || !equalBN("A >> N", rshift, ret))
1276.           goto err;

crypto/bn/bn_shift.c:153:1: Parameter `r->top`
  151.   }
  152.   
  153. > int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)
  154.   {
  155.       int i, j, nw, lb, rb;

crypto/bn/bn_shift.c:176:13: Call
  174.       i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;
  175.       if (r != a) {
  176.           if (bn_wexpand(r, i) == NULL)
                     ^
  177.               return 0;
  178.           r->neg = a->neg;

crypto/bn/bn_lib.c:962:1: Parameter `a->top`
    960.   }
    961.   
    962. > BIGNUM *bn_wexpand(BIGNUM *a, int words)
    963.   {
    964.       return (words <= a->dmax) ? a : bn_expand2(a, words);

crypto/bn/bn_lib.c:964:37: Call
    962.   BIGNUM *bn_wexpand(BIGNUM *a, int words)
    963.   {
    964.       return (words <= a->dmax) ? a : bn_expand2(a, words);
                                               ^
    965.   }
    966.   

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