[NETLINK]: Clear padding in netlink messages
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Родитель
4095ebf1e6
Коммит
b3563c4fbf
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@ -168,6 +168,7 @@ __nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
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nlh->nlmsg_flags = flags;
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nlh->nlmsg_pid = pid;
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nlh->nlmsg_seq = seq;
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memset(NLMSG_DATA(nlh) + len, 0, NLMSG_ALIGN(size) - size);
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return nlh;
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}
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@ -898,7 +898,9 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi
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memcpy(skb_put(skb, attrlen), data, attrlen); })
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#define RTA_PUT_NOHDR(skb, attrlen, data) \
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RTA_APPEND(skb, RTA_ALIGN(attrlen), data)
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({ RTA_APPEND(skb, RTA_ALIGN(attrlen), data); \
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memset(skb->tail - (RTA_ALIGN(attrlen) - attrlen), 0, \
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RTA_ALIGN(attrlen) - attrlen); })
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#define RTA_PUT_U8(skb, attrtype, value) \
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({ u8 _tmp = (value); \
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@ -978,6 +980,7 @@ __rta_reserve(struct sk_buff *skb, int attrtype, int attrlen)
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rta = (struct rtattr*)skb_put(skb, RTA_ALIGN(size));
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rta->rta_type = attrtype;
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rta->rta_len = size;
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memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size);
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return rta;
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}
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@ -126,6 +126,7 @@ void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data
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rta->rta_type = attrtype;
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rta->rta_len = size;
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memcpy(RTA_DATA(rta), data, attrlen);
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memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size);
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}
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size_t rtattr_strlcpy(char *dest, const struct rtattr *rta, size_t size)
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