diff options
Diffstat (limited to 'crypto/algapi.c')
| -rw-r--r-- | crypto/algapi.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c index 38aa9e99470..d9559609b52 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -439,13 +439,15 @@ EXPORT_SYMBOL_GPL(crypto_unregister_notifier); struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb) { - struct rtattr *rta = tb[CRYPTOA_TYPE - 1]; + struct rtattr *rta = tb[0]; struct crypto_attr_type *algt; if (!rta) return ERR_PTR(-ENOENT); if (RTA_PAYLOAD(rta) < sizeof(*algt)) return ERR_PTR(-EINVAL); + if (rta->rta_type != CRYPTOA_TYPE) + return ERR_PTR(-EINVAL); algt = RTA_DATA(rta); @@ -470,13 +472,15 @@ EXPORT_SYMBOL_GPL(crypto_check_attr_type); struct crypto_alg *crypto_get_attr_alg(struct rtattr **tb, u32 type, u32 mask) { - struct rtattr *rta = tb[CRYPTOA_ALG - 1]; + struct rtattr *rta = tb[1]; struct crypto_attr_alg *alga; if (!rta) return ERR_PTR(-ENOENT); if (RTA_PAYLOAD(rta) < sizeof(*alga)) return ERR_PTR(-EINVAL); + if (rta->rta_type != CRYPTOA_ALG) + return ERR_PTR(-EINVAL); alga = RTA_DATA(rta); alga->name[CRYPTO_MAX_ALG_NAME - 1] = 0; |