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-rw-r--r--net/xfrm/xfrm_user.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 5ddda2c98af9..15ba08602aa1 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -162,6 +162,7 @@ static int attach_one_algo(struct xfrm_algo **algpp, u8 *props,
struct rtattr *rta = u_arg;
struct xfrm_algo *p, *ualg;
struct xfrm_algo_desc *algo;
+ int len;
if (!rta)
return 0;
@@ -173,11 +174,12 @@ static int attach_one_algo(struct xfrm_algo **algpp, u8 *props,
return -ENOSYS;
*props = algo->desc.sadb_alg_id;
- p = kmalloc(sizeof(*ualg) + ualg->alg_key_len, GFP_KERNEL);
+ len = sizeof(*ualg) + (ualg->alg_key_len + 7U) / 8;
+ p = kmalloc(len, GFP_KERNEL);
if (!p)
return -ENOMEM;
- memcpy(p, ualg, sizeof(*ualg) + ualg->alg_key_len);
+ memcpy(p, ualg, len);
*algpp = p;
return 0;
}