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Diffstat (limited to 'net/ipv4/raw.c')
-rw-r--r--net/ipv4/raw.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 7113bae4e6a0..8f2cd7d09720 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -354,6 +354,9 @@ static int raw_send_hdrinc(struct sock *sk, struct flowi4 *fl4,
rt->dst.dev->mtu);
return -EMSGSIZE;
}
+ if (length < sizeof(struct iphdr))
+ return -EINVAL;
+
if (flags&MSG_PROBE)
goto out;