forked from Minki/linux
ipv6: seg6_genl_set_tunsrc() must check kmemdup() return value
seg6_genl_get_tunsrc() and set_tun_src() do not handle tun_src being
possibly NULL, so we must check kmemdup() return value and abort if
it is NULL
Fixes: 915d7e5e59
("ipv6: sr: add code base for control plane support of SR-IPv6")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: David Lebrun <david.lebrun@uclouvain.be>
Acked-by: David Lebrun <david.lebrun@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
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@ -176,6 +176,8 @@ static int seg6_genl_set_tunsrc(struct sk_buff *skb, struct genl_info *info)
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val = nla_data(info->attrs[SEG6_ATTR_DST]);
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val = nla_data(info->attrs[SEG6_ATTR_DST]);
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t_new = kmemdup(val, sizeof(*val), GFP_KERNEL);
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t_new = kmemdup(val, sizeof(*val), GFP_KERNEL);
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if (!t_new)
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return -ENOMEM;
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mutex_lock(&sdata->lock);
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mutex_lock(&sdata->lock);
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