test/ec_internal_test.c:36: error: BUFFER_OVERRUN_L3
  Offset: [-1, +oo] Size: [1, +oo] by call to `BN_pseudo_rand`.
Showing all 16 steps of the trace


test/ec_internal_test.c:36:13: Call
34.           || !TEST_true(BN_is_one(b))
35.           /* (1/a)*a = 1 */
36.           || !TEST_true(BN_pseudo_rand(a, BN_num_bits(group->field) - 1,
                  ^
37.                                        BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY))
38.           || !TEST_true(group->meth->field_inv(group, b, a, ctx))

crypto/bn/bn_lib.c:141:9: Assignment
  139.   
  140.       if (BN_is_zero(a))
  141.           return 0;
                 ^
  142.       return ((i * BN_BITS2) + BN_num_bits_word(a->d[i]));
  143.   }

test/ec_internal_test.c:36:13: Call
34.           || !TEST_true(BN_is_one(b))
35.           /* (1/a)*a = 1 */
36.           || !TEST_true(BN_pseudo_rand(a, BN_num_bits(group->field) - 1,
                  ^
37.                                        BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY))
38.           || !TEST_true(group->meth->field_inv(group, b, a, ctx))

crypto/bn/bn_rand.c:213:1: Parameter `bits`
  211.   }
  212.   
  213. > int BN_pseudo_rand(BIGNUM *rnd, int bits, int top, int bottom)
  214.   {
  215.       return BN_rand(rnd, bits, top, bottom);

crypto/bn/bn_rand.c:215:12: Call
  213.   int BN_pseudo_rand(BIGNUM *rnd, int bits, int top, int bottom)
  214.   {
  215.       return BN_rand(rnd, bits, top, bottom);
                    ^
  216.   }
  217.   

crypto/bn/bn_rand.c:106:1: Parameter `bits`
    104.       return bnrand(NORMAL, rnd, bits, top, bottom, ctx);
    105.   }
    106. > int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
    107.   {
    108.       return bnrand(NORMAL, rnd, bits, top, bottom, NULL);

crypto/bn/bn_rand.c:108:12: Call
    106.   int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
    107.   {
    108.       return bnrand(NORMAL, rnd, bits, top, bottom, NULL);
                      ^
    109.   }
    110.   

crypto/bn/bn_rand.c:62:14: <Offset trace>
60.           unsigned char c;
61.   
62.           for (i = 0; i < bytes; i++) {
                   ^
63.               if (rand_bytes_ex(libctx, &c, 1) <= 0)
64.                   goto err;

crypto/bn/bn_rand.c:62:14: Assignment
      60.           unsigned char c;
      61.   
      62.           for (i = 0; i < bytes; i++) {
                         ^
      63.               if (rand_bytes_ex(libctx, &c, 1) <= 0)
      64.                   goto err;

crypto/bn/bn_rand.c:23:1: <Length trace>
21.   } BNRAND_FLAG;
22.   
23. > static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom,
24.                     BN_CTX *ctx)
25.   {

crypto/bn/bn_rand.c:23:1: Parameter `bits`
      21.   } BNRAND_FLAG;
      22.   
      23. > static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom,
      24.                     BN_CTX *ctx)
      25.   {

crypto/bn/bn_rand.c:39:5: Assignment
      37.           goto toosmall;
      38.   
      39.       bytes = (bits + 7) / 8;
                ^
      40.       bit = (bits - 1) % 8;
      41.       mask = 0xff << (bit + 1);

crypto/bn/bn_rand.c:43:11: Call
      41.       mask = 0xff << (bit + 1);
      42.   
      43.       buf = OPENSSL_malloc(bytes);
                      ^
      44.       if (buf == NULL) {
      45.           BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);

crypto/mem.c:201:9: Assignment
        199.   
        200.       if (num == 0)
        201.           return NULL;
                       ^
        202.   
        203.       FAILTEST();

crypto/bn/bn_rand.c:43:5: Assignment
      41.       mask = 0xff << (bit + 1);
      42.   
      43.       buf = OPENSSL_malloc(bytes);
                ^
      44.       if (buf == NULL) {
      45.           BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);

crypto/bn/bn_rand.c:88:9: Array access: Offset: [-1, +oo] Size: [1, +oo] by call to `BN_pseudo_rand` 
      86.       buf[0] &= ~mask;
      87.       if (bottom)                 /* set bottom bit if requested */
      88.           buf[bytes - 1] |= 1;
                    ^
      89.       if (!BN_bin2bn(buf, bytes, rnd))
      90.           goto err;
