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xfrm: align nlattr properly when needed

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Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2016-04-22 17:31:23 +02:00 committed by David S. Miller
parent 73520786b0
commit de95c4a46a
2 changed files with 7 additions and 4 deletions
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1
include/uapi/linux/xfrm.h
View File

@ -302,6 +302,7 @@ enum xfrm_attr_type_t {
XFRMA_SA_EXTRA_FLAGS, /* __u32 */
XFRMA_PROTO, /* __u8 */
XFRMA_ADDRESS_FILTER, /* struct xfrm_address_filter */
XFRMA_PAD,
__XFRMA_MAX
#define XFRMA_MAX (__XFRMA_MAX - 1)

10
net/xfrm/xfrm_user.c
View File

@ -809,7 +809,8 @@ static int copy_to_user_state_extra(struct xfrm_state *x,
goto out;
}
if (x->lastused) {
ret = nla_put_u64(skb, XFRMA_LASTUSED, x->lastused);
ret = nla_put_u64_64bit(skb, XFRMA_LASTUSED, x->lastused,
XFRMA_PAD);
if (ret)
goto out;
}
@ -1813,7 +1814,7 @@ static inline size_t xfrm_aevent_msgsize(struct xfrm_state *x)
return NLMSG_ALIGN(sizeof(struct xfrm_aevent_id))
+ nla_total_size(replay_size)
+ nla_total_size(sizeof(struct xfrm_lifetime_cur))
+ nla_total_size_64bit(sizeof(struct xfrm_lifetime_cur))
+ nla_total_size(sizeof(struct xfrm_mark))
+ nla_total_size(4) /* XFRM_AE_RTHR */
+ nla_total_size(4); /* XFRM_AE_ETHR */
@ -1848,7 +1849,8 @@ static int build_aevent(struct sk_buff *skb, struct xfrm_state *x, const struct
}
if (err)
goto out_cancel;
err = nla_put(skb, XFRMA_LTIME_VAL, sizeof(x->curlft), &x->curlft);
err = nla_put_64bit(skb, XFRMA_LTIME_VAL, sizeof(x->curlft), &x->curlft,
XFRMA_PAD);
if (err)
goto out_cancel;
@ -2617,7 +2619,7 @@ static inline size_t xfrm_sa_len(struct xfrm_state *x)
l += nla_total_size(sizeof(x->props.extra_flags));
/* Must count x->lastused as it may become non-zero behind our back. */
l += nla_total_size(sizeof(u64));
l += nla_total_size_64bit(sizeof(u64));
return l;
}