crypto/ec/ecp_nistz256.c:1169: error: BUFFER_OVERRUN_L3
  Offset added: [8, +oo] Size: [0, 67108856] by call to `ecp_nistz256_set_from_affine`.
Showing all 21 steps of the trace


crypto/ec/ecp_nistz256.c:1169:18: Call
1167.   
1168.               ecp_nistz256_gather_w7(&p.a, pre_comp->precomp[0], 1);
1169.               if (!ecp_nistz256_set_from_affine(pre_comp_generator,
                         ^
1170.                                                 group, &p.a, ctx)) {
1171.                   EC_POINT_free(pre_comp_generator);

crypto/ec/ecp_nistz256.c:1103:8: Parameter `out->X->top`
  1101.   #endif
  1102.   
  1103.   __owur static int ecp_nistz256_set_from_affine(EC_POINT *out, const EC_GROUP *group,
                 ^
  1104.                                                  const P256_POINT_AFFINE *in,
  1105.                                                  BN_CTX *ctx)

crypto/ec/ecp_nistz256.c:1109:16: Call
  1107.       int ret = 0;
  1108.   
  1109.       if ((ret = bn_set_words(out->X, in->X, P256_LIMBS))
                         ^
  1110.           && (ret = bn_set_words(out->Y, in->Y, P256_LIMBS))
  1111.           && (ret = bn_set_words(out->Z, ONE, P256_LIMBS)))

crypto/bn/bn_intern.c:188:1: Parameter `a->top`
    186.   }
    187.   
    188. > int bn_set_words(BIGNUM *a, const BN_ULONG *words, int num_words)
    189.   {
    190.       if (bn_wexpand(a, num_words) == NULL) {

crypto/bn/bn_intern.c:190:9: Call
    188.   int bn_set_words(BIGNUM *a, const BN_ULONG *words, int num_words)
    189.   {
    190.       if (bn_wexpand(a, num_words) == NULL) {
                   ^
    191.           BNerr(BN_F_BN_SET_WORDS, ERR_R_MALLOC_FAILURE);
    192.           return 0;

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 `ecp_nistz256_set_from_affine` 
          230.       assert(b->top <= words);
          231.       if (b->top > 0)
          232.           memcpy(a, b->d, sizeof(*a) * b->top);
                         ^
          233.   
          234.       return a;
